2169 lines
78 KiB
C++
2169 lines
78 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "FilterSupport.h"
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#include "mozilla/gfx/2D.h"
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#include "mozilla/gfx/Filters.h"
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#include "mozilla/gfx/Logging.h"
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#include "mozilla/PodOperations.h"
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#include "gfxContext.h"
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#include "gfxPattern.h"
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#include "gfxPlatform.h"
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#include "gfx2DGlue.h"
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#include "nsMargin.h"
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// c = n / 255
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// c <= 0.0031308f ? c * 12.92f : 1.055f * powf(c, 1 / 2.4f) - 0.055f
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static const float glinearRGBTosRGBMap[256] = {
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0.000f, 0.050f, 0.085f, 0.111f, 0.132f, 0.150f, 0.166f, 0.181f,
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0.194f, 0.207f, 0.219f, 0.230f, 0.240f, 0.250f, 0.260f, 0.269f,
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0.278f, 0.286f, 0.295f, 0.303f, 0.310f, 0.318f, 0.325f, 0.332f,
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0.339f, 0.346f, 0.352f, 0.359f, 0.365f, 0.371f, 0.378f, 0.383f,
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0.389f, 0.395f, 0.401f, 0.406f, 0.412f, 0.417f, 0.422f, 0.427f,
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0.433f, 0.438f, 0.443f, 0.448f, 0.452f, 0.457f, 0.462f, 0.466f,
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0.471f, 0.476f, 0.480f, 0.485f, 0.489f, 0.493f, 0.498f, 0.502f,
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0.506f, 0.510f, 0.514f, 0.518f, 0.522f, 0.526f, 0.530f, 0.534f,
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0.538f, 0.542f, 0.546f, 0.549f, 0.553f, 0.557f, 0.561f, 0.564f,
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0.568f, 0.571f, 0.575f, 0.579f, 0.582f, 0.586f, 0.589f, 0.592f,
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0.596f, 0.599f, 0.603f, 0.606f, 0.609f, 0.613f, 0.616f, 0.619f,
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0.622f, 0.625f, 0.629f, 0.632f, 0.635f, 0.638f, 0.641f, 0.644f,
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0.647f, 0.650f, 0.653f, 0.656f, 0.659f, 0.662f, 0.665f, 0.668f,
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0.671f, 0.674f, 0.677f, 0.680f, 0.683f, 0.685f, 0.688f, 0.691f,
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0.694f, 0.697f, 0.699f, 0.702f, 0.705f, 0.708f, 0.710f, 0.713f,
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0.716f, 0.718f, 0.721f, 0.724f, 0.726f, 0.729f, 0.731f, 0.734f,
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0.737f, 0.739f, 0.742f, 0.744f, 0.747f, 0.749f, 0.752f, 0.754f,
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0.757f, 0.759f, 0.762f, 0.764f, 0.767f, 0.769f, 0.772f, 0.774f,
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0.776f, 0.779f, 0.781f, 0.784f, 0.786f, 0.788f, 0.791f, 0.793f,
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0.795f, 0.798f, 0.800f, 0.802f, 0.805f, 0.807f, 0.809f, 0.812f,
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0.814f, 0.816f, 0.818f, 0.821f, 0.823f, 0.825f, 0.827f, 0.829f,
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0.832f, 0.834f, 0.836f, 0.838f, 0.840f, 0.843f, 0.845f, 0.847f,
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0.849f, 0.851f, 0.853f, 0.855f, 0.857f, 0.860f, 0.862f, 0.864f,
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0.866f, 0.868f, 0.870f, 0.872f, 0.874f, 0.876f, 0.878f, 0.880f,
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0.882f, 0.884f, 0.886f, 0.888f, 0.890f, 0.892f, 0.894f, 0.896f,
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0.898f, 0.900f, 0.902f, 0.904f, 0.906f, 0.908f, 0.910f, 0.912f,
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0.914f, 0.916f, 0.918f, 0.920f, 0.922f, 0.924f, 0.926f, 0.928f,
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0.930f, 0.931f, 0.933f, 0.935f, 0.937f, 0.939f, 0.941f, 0.943f,
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0.945f, 0.946f, 0.948f, 0.950f, 0.952f, 0.954f, 0.956f, 0.957f,
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0.959f, 0.961f, 0.963f, 0.965f, 0.967f, 0.968f, 0.970f, 0.972f,
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0.974f, 0.975f, 0.977f, 0.979f, 0.981f, 0.983f, 0.984f, 0.986f,
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0.988f, 0.990f, 0.991f, 0.993f, 0.995f, 0.997f, 0.998f, 1.000f
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};
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// c = n / 255
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// c <= 0.04045f ? c / 12.92f : powf((c + 0.055f) / 1.055f, 2.4f)
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static const float gsRGBToLinearRGBMap[256] = {
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0.000f, 0.000f, 0.001f, 0.001f, 0.001f, 0.002f, 0.002f, 0.002f,
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0.002f, 0.003f, 0.003f, 0.003f, 0.004f, 0.004f, 0.004f, 0.005f,
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0.005f, 0.006f, 0.006f, 0.007f, 0.007f, 0.007f, 0.008f, 0.009f,
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0.009f, 0.010f, 0.010f, 0.011f, 0.012f, 0.012f, 0.013f, 0.014f,
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0.014f, 0.015f, 0.016f, 0.017f, 0.018f, 0.019f, 0.019f, 0.020f,
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0.021f, 0.022f, 0.023f, 0.024f, 0.025f, 0.026f, 0.027f, 0.028f,
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0.030f, 0.031f, 0.032f, 0.033f, 0.034f, 0.036f, 0.037f, 0.038f,
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0.040f, 0.041f, 0.042f, 0.044f, 0.045f, 0.047f, 0.048f, 0.050f,
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0.051f, 0.053f, 0.054f, 0.056f, 0.058f, 0.060f, 0.061f, 0.063f,
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0.065f, 0.067f, 0.068f, 0.070f, 0.072f, 0.074f, 0.076f, 0.078f,
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0.080f, 0.082f, 0.084f, 0.087f, 0.089f, 0.091f, 0.093f, 0.095f,
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0.098f, 0.100f, 0.102f, 0.105f, 0.107f, 0.109f, 0.112f, 0.114f,
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0.117f, 0.120f, 0.122f, 0.125f, 0.127f, 0.130f, 0.133f, 0.136f,
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0.138f, 0.141f, 0.144f, 0.147f, 0.150f, 0.153f, 0.156f, 0.159f,
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0.162f, 0.165f, 0.168f, 0.171f, 0.175f, 0.178f, 0.181f, 0.184f,
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0.188f, 0.191f, 0.195f, 0.198f, 0.202f, 0.205f, 0.209f, 0.212f,
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0.216f, 0.220f, 0.223f, 0.227f, 0.231f, 0.235f, 0.238f, 0.242f,
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0.246f, 0.250f, 0.254f, 0.258f, 0.262f, 0.266f, 0.270f, 0.275f,
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0.279f, 0.283f, 0.287f, 0.292f, 0.296f, 0.301f, 0.305f, 0.309f,
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0.314f, 0.319f, 0.323f, 0.328f, 0.332f, 0.337f, 0.342f, 0.347f,
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0.352f, 0.356f, 0.361f, 0.366f, 0.371f, 0.376f, 0.381f, 0.386f,
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0.392f, 0.397f, 0.402f, 0.407f, 0.413f, 0.418f, 0.423f, 0.429f,
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0.434f, 0.440f, 0.445f, 0.451f, 0.456f, 0.462f, 0.468f, 0.474f,
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0.479f, 0.485f, 0.491f, 0.497f, 0.503f, 0.509f, 0.515f, 0.521f,
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0.527f, 0.533f, 0.539f, 0.546f, 0.552f, 0.558f, 0.565f, 0.571f,
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0.578f, 0.584f, 0.591f, 0.597f, 0.604f, 0.610f, 0.617f, 0.624f,
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0.631f, 0.638f, 0.644f, 0.651f, 0.658f, 0.665f, 0.672f, 0.680f,
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0.687f, 0.694f, 0.701f, 0.708f, 0.716f, 0.723f, 0.730f, 0.738f,
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0.745f, 0.753f, 0.761f, 0.768f, 0.776f, 0.784f, 0.791f, 0.799f,
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0.807f, 0.815f, 0.823f, 0.831f, 0.839f, 0.847f, 0.855f, 0.863f,
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0.871f, 0.880f, 0.888f, 0.896f, 0.905f, 0.913f, 0.922f, 0.930f,
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0.939f, 0.947f, 0.956f, 0.965f, 0.973f, 0.982f, 0.991f, 1.000f
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};
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namespace mozilla {
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namespace gfx {
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// Some convenience FilterNode creation functions.
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namespace FilterWrappers {
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static already_AddRefed<FilterNode>
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Unpremultiply(DrawTarget* aDT, FilterNode* aInput)
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{
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RefPtr<FilterNode> filter = aDT->CreateFilter(FilterType::UNPREMULTIPLY);
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if (filter) {
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filter->SetInput(IN_UNPREMULTIPLY_IN, aInput);
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return filter.forget();
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}
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return nullptr;
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}
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static already_AddRefed<FilterNode>
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Premultiply(DrawTarget* aDT, FilterNode* aInput)
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{
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RefPtr<FilterNode> filter = aDT->CreateFilter(FilterType::PREMULTIPLY);
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if (filter) {
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filter->SetInput(IN_PREMULTIPLY_IN, aInput);
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return filter.forget();
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}
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return nullptr;
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}
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static already_AddRefed<FilterNode>
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LinearRGBToSRGB(DrawTarget* aDT, FilterNode* aInput)
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{
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RefPtr<FilterNode> transfer = aDT->CreateFilter(FilterType::DISCRETE_TRANSFER);
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if (transfer) {
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transfer->SetAttribute(ATT_DISCRETE_TRANSFER_DISABLE_R, false);
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transfer->SetAttribute(ATT_DISCRETE_TRANSFER_TABLE_R, glinearRGBTosRGBMap, 256);
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transfer->SetAttribute(ATT_DISCRETE_TRANSFER_DISABLE_G, false);
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transfer->SetAttribute(ATT_DISCRETE_TRANSFER_TABLE_G, glinearRGBTosRGBMap, 256);
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transfer->SetAttribute(ATT_DISCRETE_TRANSFER_DISABLE_B, false);
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transfer->SetAttribute(ATT_DISCRETE_TRANSFER_TABLE_B, glinearRGBTosRGBMap, 256);
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transfer->SetAttribute(ATT_DISCRETE_TRANSFER_DISABLE_A, true);
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transfer->SetInput(IN_DISCRETE_TRANSFER_IN, aInput);
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return transfer.forget();
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}
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return nullptr;
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}
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static already_AddRefed<FilterNode>
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SRGBToLinearRGB(DrawTarget* aDT, FilterNode* aInput)
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{
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RefPtr<FilterNode> transfer = aDT->CreateFilter(FilterType::DISCRETE_TRANSFER);
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if (transfer) {
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transfer->SetAttribute(ATT_DISCRETE_TRANSFER_DISABLE_R, false);
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transfer->SetAttribute(ATT_DISCRETE_TRANSFER_TABLE_R, gsRGBToLinearRGBMap, 256);
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transfer->SetAttribute(ATT_DISCRETE_TRANSFER_DISABLE_G, false);
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transfer->SetAttribute(ATT_DISCRETE_TRANSFER_TABLE_G, gsRGBToLinearRGBMap, 256);
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transfer->SetAttribute(ATT_DISCRETE_TRANSFER_DISABLE_B, false);
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transfer->SetAttribute(ATT_DISCRETE_TRANSFER_TABLE_B, gsRGBToLinearRGBMap, 256);
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transfer->SetAttribute(ATT_DISCRETE_TRANSFER_DISABLE_A, true);
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transfer->SetInput(IN_DISCRETE_TRANSFER_IN, aInput);
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return transfer.forget();
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}
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return nullptr;
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}
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static already_AddRefed<FilterNode>
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Crop(DrawTarget* aDT, FilterNode* aInputFilter, const IntRect& aRect)
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{
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RefPtr<FilterNode> filter = aDT->CreateFilter(FilterType::CROP);
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if (filter) {
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filter->SetAttribute(ATT_CROP_RECT, Rect(aRect));
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filter->SetInput(IN_CROP_IN, aInputFilter);
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return filter.forget();
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}
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return nullptr;
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}
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static already_AddRefed<FilterNode>
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Offset(DrawTarget* aDT, FilterNode* aInputFilter, const IntPoint& aOffset)
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{
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RefPtr<FilterNode> filter = aDT->CreateFilter(FilterType::TRANSFORM);
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if (filter) {
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filter->SetAttribute(ATT_TRANSFORM_MATRIX, Matrix::Translation(aOffset.x, aOffset.y));
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filter->SetInput(IN_TRANSFORM_IN, aInputFilter);
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return filter.forget();
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}
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return nullptr;
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}
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static already_AddRefed<FilterNode>
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GaussianBlur(DrawTarget* aDT, FilterNode* aInputFilter, const Size& aStdDeviation)
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{
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float stdX = float(std::min(aStdDeviation.width, kMaxStdDeviation));
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float stdY = float(std::min(aStdDeviation.height, kMaxStdDeviation));
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if (stdX == stdY) {
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RefPtr<FilterNode> filter = aDT->CreateFilter(FilterType::GAUSSIAN_BLUR);
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if (filter) {
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filter->SetAttribute(ATT_GAUSSIAN_BLUR_STD_DEVIATION, stdX);
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filter->SetInput(IN_GAUSSIAN_BLUR_IN, aInputFilter);
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return filter.forget();
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}
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return nullptr;
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}
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RefPtr<FilterNode> filterH = aDT->CreateFilter(FilterType::DIRECTIONAL_BLUR);
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RefPtr<FilterNode> filterV = aDT->CreateFilter(FilterType::DIRECTIONAL_BLUR);
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if (filterH && filterV) {
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filterH->SetAttribute(ATT_DIRECTIONAL_BLUR_DIRECTION, (uint32_t)BLUR_DIRECTION_X);
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filterH->SetAttribute(ATT_DIRECTIONAL_BLUR_STD_DEVIATION, stdX);
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filterV->SetAttribute(ATT_DIRECTIONAL_BLUR_DIRECTION, (uint32_t)BLUR_DIRECTION_Y);
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filterV->SetAttribute(ATT_DIRECTIONAL_BLUR_STD_DEVIATION, stdY);
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filterH->SetInput(IN_DIRECTIONAL_BLUR_IN, aInputFilter);
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filterV->SetInput(IN_DIRECTIONAL_BLUR_IN, filterH);
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return filterV.forget();
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}
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return nullptr;
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}
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static already_AddRefed<FilterNode>
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Clear(DrawTarget* aDT)
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{
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RefPtr<FilterNode> filter = aDT->CreateFilter(FilterType::FLOOD);
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if (filter) {
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filter->SetAttribute(ATT_FLOOD_COLOR, Color(0, 0, 0, 0));
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return filter.forget();
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}
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return nullptr;
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}
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static already_AddRefed<FilterNode>
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ForSurface(DrawTarget* aDT, SourceSurface* aSurface,
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const IntPoint& aSurfacePosition)
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{
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RefPtr<FilterNode> filter = aDT->CreateFilter(FilterType::TRANSFORM);
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if (filter) {
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filter->SetAttribute(ATT_TRANSFORM_MATRIX,
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Matrix::Translation(aSurfacePosition.x, aSurfacePosition.y));
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filter->SetInput(IN_TRANSFORM_IN, aSurface);
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return filter.forget();
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}
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return nullptr;
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}
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static already_AddRefed<FilterNode>
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ToAlpha(DrawTarget* aDT, FilterNode* aInput)
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{
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float zero = 0.0f;
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RefPtr<FilterNode> transfer = aDT->CreateFilter(FilterType::DISCRETE_TRANSFER);
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if (transfer) {
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transfer->SetAttribute(ATT_DISCRETE_TRANSFER_DISABLE_R, false);
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transfer->SetAttribute(ATT_DISCRETE_TRANSFER_TABLE_R, &zero, 1);
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transfer->SetAttribute(ATT_DISCRETE_TRANSFER_DISABLE_G, false);
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transfer->SetAttribute(ATT_DISCRETE_TRANSFER_TABLE_G, &zero, 1);
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transfer->SetAttribute(ATT_DISCRETE_TRANSFER_DISABLE_B, false);
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transfer->SetAttribute(ATT_DISCRETE_TRANSFER_TABLE_B, &zero, 1);
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transfer->SetAttribute(ATT_DISCRETE_TRANSFER_DISABLE_A, true);
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transfer->SetInput(IN_DISCRETE_TRANSFER_IN, aInput);
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return transfer.forget();
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}
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return nullptr;
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}
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} // namespace FilterWrappers
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// A class that wraps a FilterNode and handles conversion between different
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// color models. Create FilterCachedColorModels with your original filter and
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// the color model that this filter outputs in natively, and then call
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// ->ForColorModel(colorModel) in order to get a FilterNode which outputs to
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// the specified colorModel.
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// Internally, this is achieved by wrapping the original FilterNode with
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// conversion FilterNodes. These filter nodes are cached in such a way that no
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// repeated or back-and-forth conversions happen.
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class FilterCachedColorModels
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{
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public:
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NS_INLINE_DECL_REFCOUNTING(FilterCachedColorModels)
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// aFilter can be null. In that case, ForColorModel will return a non-null
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// completely transparent filter for all color models.
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FilterCachedColorModels(DrawTarget* aDT,
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FilterNode* aFilter,
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ColorModel aOriginalColorModel);
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// Get a FilterNode for the specified color model, guaranteed to be non-null.
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already_AddRefed<FilterNode> ForColorModel(ColorModel aColorModel);
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AlphaModel OriginalAlphaModel() const { return mOriginalColorModel.mAlphaModel; }
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private:
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// Create the required FilterNode that will be cached by ForColorModel.
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already_AddRefed<FilterNode> WrapForColorModel(ColorModel aColorModel);
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RefPtr<DrawTarget> mDT;
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ColorModel mOriginalColorModel;
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// This array is indexed by ColorModel::ToIndex.
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RefPtr<FilterNode> mFilterForColorModel[4];
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~FilterCachedColorModels() {}
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};
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FilterCachedColorModels::FilterCachedColorModels(DrawTarget* aDT,
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FilterNode* aFilter,
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ColorModel aOriginalColorModel)
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: mDT(aDT)
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, mOriginalColorModel(aOriginalColorModel)
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{
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if (aFilter) {
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mFilterForColorModel[aOriginalColorModel.ToIndex()] = aFilter;
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} else {
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RefPtr<FilterNode> clear = FilterWrappers::Clear(aDT);
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mFilterForColorModel[0] = clear;
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mFilterForColorModel[1] = clear;
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mFilterForColorModel[2] = clear;
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mFilterForColorModel[3] = clear;
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}
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}
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already_AddRefed<FilterNode>
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FilterCachedColorModels::ForColorModel(ColorModel aColorModel)
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{
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if (!mFilterForColorModel[aColorModel.ToIndex()]) {
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mFilterForColorModel[aColorModel.ToIndex()] = WrapForColorModel(aColorModel);
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}
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RefPtr<FilterNode> filter(mFilterForColorModel[aColorModel.ToIndex()]);
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return filter.forget();
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}
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already_AddRefed<FilterNode>
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FilterCachedColorModels::WrapForColorModel(ColorModel aColorModel)
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{
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// Convert one aspect at a time and recurse.
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// Conversions between premultiplied / unpremultiplied color channels for the
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// same color space can happen directly.
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// Conversions between different color spaces can only happen on
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// unpremultiplied color channels.
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if (aColorModel.mAlphaModel == AlphaModel::Premultiplied) {
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RefPtr<FilterNode> unpre =
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ForColorModel(ColorModel(aColorModel.mColorSpace, AlphaModel::Unpremultiplied));
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return FilterWrappers::Premultiply(mDT, unpre);
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}
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MOZ_ASSERT(aColorModel.mAlphaModel == AlphaModel::Unpremultiplied);
|
|
if (aColorModel.mColorSpace == mOriginalColorModel.mColorSpace) {
|
|
RefPtr<FilterNode> premultiplied =
|
|
ForColorModel(ColorModel(aColorModel.mColorSpace, AlphaModel::Premultiplied));
|
|
return FilterWrappers::Unpremultiply(mDT, premultiplied);
|
|
}
|
|
|
|
RefPtr<FilterNode> unpremultipliedOriginal =
|
|
ForColorModel(ColorModel(mOriginalColorModel.mColorSpace, AlphaModel::Unpremultiplied));
|
|
if (aColorModel.mColorSpace == ColorSpace::LinearRGB) {
|
|
return FilterWrappers::SRGBToLinearRGB(mDT, unpremultipliedOriginal);
|
|
}
|
|
return FilterWrappers::LinearRGBToSRGB(mDT, unpremultipliedOriginal);
|
|
}
|
|
|
|
static const float identityMatrix[] =
|
|
{ 1, 0, 0, 0, 0,
|
|
0, 1, 0, 0, 0,
|
|
0, 0, 1, 0, 0,
|
|
0, 0, 0, 1, 0 };
|
|
|
|
// When aAmount == 0, the identity matrix is returned.
|
|
// When aAmount == 1, aToMatrix is returned.
|
|
// When aAmount > 1, an exaggerated version of aToMatrix is returned. This can
|
|
// be useful in certain cases, such as producing a color matrix to oversaturate
|
|
// an image.
|
|
//
|
|
// This function is a shortcut of a full matrix addition and a scalar multiply,
|
|
// and it assumes that the following elements in aToMatrix are 0 and 1:
|
|
// x x x 0 0
|
|
// x x x 0 0
|
|
// x x x 0 0
|
|
// 0 0 0 1 0
|
|
static void
|
|
InterpolateFromIdentityMatrix(const float aToMatrix[20], float aAmount,
|
|
float aOutMatrix[20])
|
|
{
|
|
PodCopy(aOutMatrix, identityMatrix, 20);
|
|
|
|
float oneMinusAmount = 1 - aAmount;
|
|
|
|
aOutMatrix[0] = aAmount * aToMatrix[0] + oneMinusAmount;
|
|
aOutMatrix[1] = aAmount * aToMatrix[1];
|
|
aOutMatrix[2] = aAmount * aToMatrix[2];
|
|
|
|
aOutMatrix[5] = aAmount * aToMatrix[5];
|
|
aOutMatrix[6] = aAmount * aToMatrix[6] + oneMinusAmount;
|
|
aOutMatrix[7] = aAmount * aToMatrix[7];
|
|
|
|
aOutMatrix[10] = aAmount * aToMatrix[10];
|
|
aOutMatrix[11] = aAmount * aToMatrix[11];
|
|
aOutMatrix[12] = aAmount * aToMatrix[12] + oneMinusAmount;
|
|
}
|
|
|
|
// Create a 4x5 color matrix for the different ways to specify color matrices
|
|
// in SVG.
|
|
static nsresult
|
|
ComputeColorMatrix(uint32_t aColorMatrixType, const nsTArray<float>& aValues,
|
|
float aOutMatrix[20])
|
|
{
|
|
// Luminance coefficients.
|
|
static const float lumR = 0.2126f;
|
|
static const float lumG = 0.7152f;
|
|
static const float lumB = 0.0722f;
|
|
|
|
static const float oneMinusLumR = 1 - lumR;
|
|
static const float oneMinusLumG = 1 - lumG;
|
|
static const float oneMinusLumB = 1 - lumB;
|
|
|
|
static const float luminanceToAlphaMatrix[] =
|
|
{ 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0,
|
|
lumR, lumG, lumB, 0, 0 };
|
|
|
|
static const float saturateMatrix[] =
|
|
{ lumR, lumG, lumB, 0, 0,
|
|
lumR, lumG, lumB, 0, 0,
|
|
lumR, lumG, lumB, 0, 0,
|
|
0, 0, 0, 1, 0 };
|
|
|
|
static const float sepiaMatrix[] =
|
|
{ 0.393f, 0.769f, 0.189f, 0, 0,
|
|
0.349f, 0.686f, 0.168f, 0, 0,
|
|
0.272f, 0.534f, 0.131f, 0, 0,
|
|
0, 0, 0, 1, 0 };
|
|
|
|
// Hue rotate specific coefficients.
|
|
static const float hueRotateR = 0.143f;
|
|
static const float hueRotateG = 0.140f;
|
|
static const float hueRotateB = 0.283f;
|
|
|
|
switch (aColorMatrixType) {
|
|
|
|
case SVG_FECOLORMATRIX_TYPE_MATRIX:
|
|
{
|
|
if (aValues.Length() != 20) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
PodCopy(aOutMatrix, aValues.Elements(), 20);
|
|
break;
|
|
}
|
|
|
|
case SVG_FECOLORMATRIX_TYPE_SATURATE:
|
|
{
|
|
if (aValues.Length() != 1)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
float s = aValues[0];
|
|
|
|
if (s < 0)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
InterpolateFromIdentityMatrix(saturateMatrix, 1 - s, aOutMatrix);
|
|
break;
|
|
}
|
|
|
|
case SVG_FECOLORMATRIX_TYPE_HUE_ROTATE:
|
|
{
|
|
if (aValues.Length() != 1)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
PodCopy(aOutMatrix, identityMatrix, 20);
|
|
|
|
float hueRotateValue = aValues[0];
|
|
|
|
float c = static_cast<float>(cos(hueRotateValue * M_PI / 180));
|
|
float s = static_cast<float>(sin(hueRotateValue * M_PI / 180));
|
|
|
|
aOutMatrix[0] = lumR + oneMinusLumR * c - lumR * s;
|
|
aOutMatrix[1] = lumG - lumG * c - lumG * s;
|
|
aOutMatrix[2] = lumB - lumB * c + oneMinusLumB * s;
|
|
|
|
aOutMatrix[5] = lumR - lumR * c + hueRotateR * s;
|
|
aOutMatrix[6] = lumG + oneMinusLumG * c + hueRotateG * s;
|
|
aOutMatrix[7] = lumB - lumB * c - hueRotateB * s;
|
|
|
|
aOutMatrix[10] = lumR - lumR * c - oneMinusLumR * s;
|
|
aOutMatrix[11] = lumG - lumG * c + lumG * s;
|
|
aOutMatrix[12] = lumB + oneMinusLumB * c + lumB * s;
|
|
|
|
break;
|
|
}
|
|
|
|
case SVG_FECOLORMATRIX_TYPE_LUMINANCE_TO_ALPHA:
|
|
{
|
|
PodCopy(aOutMatrix, luminanceToAlphaMatrix, 20);
|
|
break;
|
|
}
|
|
|
|
case SVG_FECOLORMATRIX_TYPE_SEPIA:
|
|
{
|
|
if (aValues.Length() != 1)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
float amount = aValues[0];
|
|
|
|
if (amount < 0 || amount > 1)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
InterpolateFromIdentityMatrix(sepiaMatrix, amount, aOutMatrix);
|
|
break;
|
|
}
|
|
|
|
default:
|
|
return NS_ERROR_FAILURE;
|
|
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
static void
|
|
DisableAllTransfers(FilterNode* aTransferFilterNode)
|
|
{
|
|
aTransferFilterNode->SetAttribute(ATT_TRANSFER_DISABLE_R, true);
|
|
aTransferFilterNode->SetAttribute(ATT_TRANSFER_DISABLE_G, true);
|
|
aTransferFilterNode->SetAttribute(ATT_TRANSFER_DISABLE_B, true);
|
|
aTransferFilterNode->SetAttribute(ATT_TRANSFER_DISABLE_A, true);
|
|
}
|
|
|
|
// Called for one channel at a time.
|
|
// This function creates the required FilterNodes on demand and tries to
|
|
// merge conversions of different channels into the same FilterNode if
|
|
// possible.
|
|
// There's a mismatch between the way SVG and the Moz2D API handle transfer
|
|
// functions: In SVG, it's possible to specify a different transfer function
|
|
// type for each color channel, but in Moz2D, a given transfer function type
|
|
// applies to all color channels.
|
|
//
|
|
// @param aFunctionAttributes The attributes of the transfer function for this
|
|
// channel.
|
|
// @param aChannel The color channel that this function applies to, where
|
|
// 0 = red, 1 = green, 2 = blue, 3 = alpha
|
|
// @param aDT The DrawTarget that the FilterNodes should be created for.
|
|
// @param aTableTransfer Existing FilterNode holders (which may still be
|
|
// null) that the resulting FilterNodes from this
|
|
// function will be stored in.
|
|
//
|
|
static void
|
|
ConvertComponentTransferFunctionToFilter(const AttributeMap& aFunctionAttributes,
|
|
int32_t aChannel,
|
|
DrawTarget* aDT,
|
|
RefPtr<FilterNode>& aTableTransfer,
|
|
RefPtr<FilterNode>& aDiscreteTransfer,
|
|
RefPtr<FilterNode>& aLinearTransfer,
|
|
RefPtr<FilterNode>& aGammaTransfer)
|
|
{
|
|
static const TransferAtts disableAtt[4] = {
|
|
ATT_TRANSFER_DISABLE_R,
|
|
ATT_TRANSFER_DISABLE_G,
|
|
ATT_TRANSFER_DISABLE_B,
|
|
ATT_TRANSFER_DISABLE_A
|
|
};
|
|
|
|
RefPtr<FilterNode> filter;
|
|
|
|
uint32_t type = aFunctionAttributes.GetUint(eComponentTransferFunctionType);
|
|
|
|
switch (type) {
|
|
case SVG_FECOMPONENTTRANSFER_TYPE_TABLE:
|
|
{
|
|
const nsTArray<float>& tableValues =
|
|
aFunctionAttributes.GetFloats(eComponentTransferFunctionTableValues);
|
|
if (tableValues.Length() < 2)
|
|
return;
|
|
|
|
if (!aTableTransfer) {
|
|
aTableTransfer = aDT->CreateFilter(FilterType::TABLE_TRANSFER);
|
|
if (!aTableTransfer) {
|
|
return;
|
|
}
|
|
DisableAllTransfers(aTableTransfer);
|
|
}
|
|
filter = aTableTransfer;
|
|
static const TableTransferAtts tableAtt[4] = {
|
|
ATT_TABLE_TRANSFER_TABLE_R,
|
|
ATT_TABLE_TRANSFER_TABLE_G,
|
|
ATT_TABLE_TRANSFER_TABLE_B,
|
|
ATT_TABLE_TRANSFER_TABLE_A
|
|
};
|
|
filter->SetAttribute(disableAtt[aChannel], false);
|
|
filter->SetAttribute(tableAtt[aChannel], &tableValues[0], tableValues.Length());
|
|
break;
|
|
}
|
|
|
|
case SVG_FECOMPONENTTRANSFER_TYPE_DISCRETE:
|
|
{
|
|
const nsTArray<float>& tableValues =
|
|
aFunctionAttributes.GetFloats(eComponentTransferFunctionTableValues);
|
|
if (tableValues.Length() < 1)
|
|
return;
|
|
|
|
if (!aDiscreteTransfer) {
|
|
aDiscreteTransfer = aDT->CreateFilter(FilterType::DISCRETE_TRANSFER);
|
|
if (!aDiscreteTransfer) {
|
|
return;
|
|
}
|
|
DisableAllTransfers(aDiscreteTransfer);
|
|
}
|
|
filter = aDiscreteTransfer;
|
|
static const DiscreteTransferAtts tableAtt[4] = {
|
|
ATT_DISCRETE_TRANSFER_TABLE_R,
|
|
ATT_DISCRETE_TRANSFER_TABLE_G,
|
|
ATT_DISCRETE_TRANSFER_TABLE_B,
|
|
ATT_DISCRETE_TRANSFER_TABLE_A
|
|
};
|
|
filter->SetAttribute(disableAtt[aChannel], false);
|
|
filter->SetAttribute(tableAtt[aChannel], &tableValues[0], tableValues.Length());
|
|
|
|
break;
|
|
}
|
|
|
|
case SVG_FECOMPONENTTRANSFER_TYPE_LINEAR:
|
|
{
|
|
static const LinearTransferAtts slopeAtt[4] = {
|
|
ATT_LINEAR_TRANSFER_SLOPE_R,
|
|
ATT_LINEAR_TRANSFER_SLOPE_G,
|
|
ATT_LINEAR_TRANSFER_SLOPE_B,
|
|
ATT_LINEAR_TRANSFER_SLOPE_A
|
|
};
|
|
static const LinearTransferAtts interceptAtt[4] = {
|
|
ATT_LINEAR_TRANSFER_INTERCEPT_R,
|
|
ATT_LINEAR_TRANSFER_INTERCEPT_G,
|
|
ATT_LINEAR_TRANSFER_INTERCEPT_B,
|
|
ATT_LINEAR_TRANSFER_INTERCEPT_A
|
|
};
|
|
if (!aLinearTransfer) {
|
|
aLinearTransfer = aDT->CreateFilter(FilterType::LINEAR_TRANSFER);
|
|
if (!aLinearTransfer) {
|
|
return;
|
|
}
|
|
DisableAllTransfers(aLinearTransfer);
|
|
}
|
|
filter = aLinearTransfer;
|
|
filter->SetAttribute(disableAtt[aChannel], false);
|
|
float slope = aFunctionAttributes.GetFloat(eComponentTransferFunctionSlope);
|
|
float intercept = aFunctionAttributes.GetFloat(eComponentTransferFunctionIntercept);
|
|
filter->SetAttribute(slopeAtt[aChannel], slope);
|
|
filter->SetAttribute(interceptAtt[aChannel], intercept);
|
|
break;
|
|
}
|
|
|
|
case SVG_FECOMPONENTTRANSFER_TYPE_GAMMA:
|
|
{
|
|
static const GammaTransferAtts amplitudeAtt[4] = {
|
|
ATT_GAMMA_TRANSFER_AMPLITUDE_R,
|
|
ATT_GAMMA_TRANSFER_AMPLITUDE_G,
|
|
ATT_GAMMA_TRANSFER_AMPLITUDE_B,
|
|
ATT_GAMMA_TRANSFER_AMPLITUDE_A
|
|
};
|
|
static const GammaTransferAtts exponentAtt[4] = {
|
|
ATT_GAMMA_TRANSFER_EXPONENT_R,
|
|
ATT_GAMMA_TRANSFER_EXPONENT_G,
|
|
ATT_GAMMA_TRANSFER_EXPONENT_B,
|
|
ATT_GAMMA_TRANSFER_EXPONENT_A
|
|
};
|
|
static const GammaTransferAtts offsetAtt[4] = {
|
|
ATT_GAMMA_TRANSFER_OFFSET_R,
|
|
ATT_GAMMA_TRANSFER_OFFSET_G,
|
|
ATT_GAMMA_TRANSFER_OFFSET_B,
|
|
ATT_GAMMA_TRANSFER_OFFSET_A
|
|
};
|
|
if (!aGammaTransfer) {
|
|
aGammaTransfer = aDT->CreateFilter(FilterType::GAMMA_TRANSFER);
|
|
if (!aGammaTransfer) {
|
|
return;
|
|
}
|
|
DisableAllTransfers(aGammaTransfer);
|
|
}
|
|
filter = aGammaTransfer;
|
|
filter->SetAttribute(disableAtt[aChannel], false);
|
|
float amplitude = aFunctionAttributes.GetFloat(eComponentTransferFunctionAmplitude);
|
|
float exponent = aFunctionAttributes.GetFloat(eComponentTransferFunctionExponent);
|
|
float offset = aFunctionAttributes.GetFloat(eComponentTransferFunctionOffset);
|
|
filter->SetAttribute(amplitudeAtt[aChannel], amplitude);
|
|
filter->SetAttribute(exponentAtt[aChannel], exponent);
|
|
filter->SetAttribute(offsetAtt[aChannel], offset);
|
|
break;
|
|
}
|
|
|
|
case SVG_FECOMPONENTTRANSFER_TYPE_IDENTITY:
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
const int32_t kMorphologyMaxRadius = 100000;
|
|
|
|
// Handle the different primitive description types and create the necessary
|
|
// FilterNode(s) for each.
|
|
// Returns nullptr for invalid filter primitives. This should be interpreted as
|
|
// transparent black by the caller.
|
|
// aSourceRegions contains the filter primitive subregions of the source
|
|
// primitives; only needed for eTile primitives.
|
|
// aInputImages carries additional surfaces that are used by eImage primitives.
|
|
static already_AddRefed<FilterNode>
|
|
FilterNodeFromPrimitiveDescription(const FilterPrimitiveDescription& aDescription,
|
|
DrawTarget* aDT,
|
|
nsTArray<RefPtr<FilterNode> >& aSources,
|
|
nsTArray<IntRect>& aSourceRegions,
|
|
nsTArray<RefPtr<SourceSurface>>& aInputImages)
|
|
{
|
|
const AttributeMap& atts = aDescription.Attributes();
|
|
switch (aDescription.Type()) {
|
|
|
|
case PrimitiveType::Empty:
|
|
return nullptr;
|
|
|
|
case PrimitiveType::Blend:
|
|
{
|
|
uint32_t mode = atts.GetUint(eBlendBlendmode);
|
|
RefPtr<FilterNode> filter;
|
|
if (mode == SVG_FEBLEND_MODE_UNKNOWN) {
|
|
return nullptr;
|
|
}
|
|
if (mode == SVG_FEBLEND_MODE_NORMAL) {
|
|
filter = aDT->CreateFilter(FilterType::COMPOSITE);
|
|
if (!filter) {
|
|
return nullptr;
|
|
}
|
|
filter->SetInput(IN_COMPOSITE_IN_START, aSources[1]);
|
|
filter->SetInput(IN_COMPOSITE_IN_START + 1, aSources[0]);
|
|
} else {
|
|
filter = aDT->CreateFilter(FilterType::BLEND);
|
|
if (!filter) {
|
|
return nullptr;
|
|
}
|
|
static const uint8_t blendModes[SVG_FEBLEND_MODE_LUMINOSITY + 1] = {
|
|
0,
|
|
0,
|
|
BLEND_MODE_MULTIPLY,
|
|
BLEND_MODE_SCREEN,
|
|
BLEND_MODE_DARKEN,
|
|
BLEND_MODE_LIGHTEN,
|
|
BLEND_MODE_OVERLAY,
|
|
BLEND_MODE_COLOR_DODGE,
|
|
BLEND_MODE_COLOR_BURN,
|
|
BLEND_MODE_HARD_LIGHT,
|
|
BLEND_MODE_SOFT_LIGHT,
|
|
BLEND_MODE_DIFFERENCE,
|
|
BLEND_MODE_EXCLUSION,
|
|
BLEND_MODE_HUE,
|
|
BLEND_MODE_SATURATION,
|
|
BLEND_MODE_COLOR,
|
|
BLEND_MODE_LUMINOSITY
|
|
};
|
|
filter->SetAttribute(ATT_BLEND_BLENDMODE, (uint32_t)blendModes[mode]);
|
|
// The correct input order for both software and D2D filters is flipped
|
|
// from our source order, so flip here.
|
|
filter->SetInput(IN_BLEND_IN, aSources[1]);
|
|
filter->SetInput(IN_BLEND_IN2, aSources[0]);
|
|
}
|
|
return filter.forget();
|
|
}
|
|
|
|
case PrimitiveType::ColorMatrix:
|
|
{
|
|
float colorMatrix[20];
|
|
uint32_t type = atts.GetUint(eColorMatrixType);
|
|
const nsTArray<float>& values = atts.GetFloats(eColorMatrixValues);
|
|
if (NS_FAILED(ComputeColorMatrix(type, values, colorMatrix)) ||
|
|
PodEqual(colorMatrix, identityMatrix)) {
|
|
RefPtr<FilterNode> filter(aSources[0]);
|
|
return filter.forget();
|
|
}
|
|
Matrix5x4 matrix(colorMatrix[0], colorMatrix[5], colorMatrix[10], colorMatrix[15],
|
|
colorMatrix[1], colorMatrix[6], colorMatrix[11], colorMatrix[16],
|
|
colorMatrix[2], colorMatrix[7], colorMatrix[12], colorMatrix[17],
|
|
colorMatrix[3], colorMatrix[8], colorMatrix[13], colorMatrix[18],
|
|
colorMatrix[4], colorMatrix[9], colorMatrix[14], colorMatrix[19]);
|
|
RefPtr<FilterNode> filter = aDT->CreateFilter(FilterType::COLOR_MATRIX);
|
|
if (!filter) {
|
|
return nullptr;
|
|
}
|
|
filter->SetAttribute(ATT_COLOR_MATRIX_MATRIX, matrix);
|
|
filter->SetAttribute(ATT_COLOR_MATRIX_ALPHA_MODE, (uint32_t)ALPHA_MODE_STRAIGHT);
|
|
filter->SetInput(IN_COLOR_MATRIX_IN, aSources[0]);
|
|
return filter.forget();
|
|
}
|
|
|
|
case PrimitiveType::Morphology:
|
|
{
|
|
Size radii = atts.GetSize(eMorphologyRadii);
|
|
int32_t rx = radii.width;
|
|
int32_t ry = radii.height;
|
|
if (rx < 0 || ry < 0) {
|
|
// XXX SVGContentUtils::ReportToConsole()
|
|
return nullptr;
|
|
}
|
|
if (rx == 0 && ry == 0) {
|
|
return nullptr;
|
|
}
|
|
|
|
// Clamp radii to prevent completely insane values:
|
|
rx = std::min(rx, kMorphologyMaxRadius);
|
|
ry = std::min(ry, kMorphologyMaxRadius);
|
|
|
|
MorphologyOperator op = atts.GetUint(eMorphologyOperator) == SVG_OPERATOR_ERODE ?
|
|
MORPHOLOGY_OPERATOR_ERODE : MORPHOLOGY_OPERATOR_DILATE;
|
|
|
|
RefPtr<FilterNode> filter = aDT->CreateFilter(FilterType::MORPHOLOGY);
|
|
if (!filter) {
|
|
return nullptr;
|
|
}
|
|
filter->SetAttribute(ATT_MORPHOLOGY_RADII, IntSize(rx, ry));
|
|
filter->SetAttribute(ATT_MORPHOLOGY_OPERATOR, (uint32_t)op);
|
|
filter->SetInput(IN_MORPHOLOGY_IN, aSources[0]);
|
|
return filter.forget();
|
|
}
|
|
|
|
case PrimitiveType::Flood:
|
|
{
|
|
Color color = atts.GetColor(eFloodColor);
|
|
RefPtr<FilterNode> filter = aDT->CreateFilter(FilterType::FLOOD);
|
|
if (!filter) {
|
|
return nullptr;
|
|
}
|
|
filter->SetAttribute(ATT_FLOOD_COLOR, color);
|
|
return filter.forget();
|
|
}
|
|
|
|
case PrimitiveType::Tile:
|
|
{
|
|
RefPtr<FilterNode> filter = aDT->CreateFilter(FilterType::TILE);
|
|
if (!filter) {
|
|
return nullptr;
|
|
}
|
|
filter->SetAttribute(ATT_TILE_SOURCE_RECT, aSourceRegions[0]);
|
|
filter->SetInput(IN_TILE_IN, aSources[0]);
|
|
return filter.forget();
|
|
}
|
|
|
|
case PrimitiveType::ComponentTransfer:
|
|
{
|
|
RefPtr<FilterNode> filters[4]; // one for each FILTER_*_TRANSFER type
|
|
static const AttributeName componentFunctionNames[4] = {
|
|
eComponentTransferFunctionR,
|
|
eComponentTransferFunctionG,
|
|
eComponentTransferFunctionB,
|
|
eComponentTransferFunctionA
|
|
};
|
|
for (int32_t i = 0; i < 4; i++) {
|
|
AttributeMap functionAttributes =
|
|
atts.GetAttributeMap(componentFunctionNames[i]);
|
|
ConvertComponentTransferFunctionToFilter(functionAttributes, i, aDT,
|
|
filters[0], filters[1], filters[2], filters[3]);
|
|
}
|
|
|
|
// Connect all used filters nodes.
|
|
RefPtr<FilterNode> lastFilter = aSources[0];
|
|
for (int32_t i = 0; i < 4; i++) {
|
|
if (filters[i]) {
|
|
filters[i]->SetInput(0, lastFilter);
|
|
lastFilter = filters[i];
|
|
}
|
|
}
|
|
|
|
return lastFilter.forget();
|
|
}
|
|
|
|
case PrimitiveType::ConvolveMatrix:
|
|
{
|
|
RefPtr<FilterNode> filter = aDT->CreateFilter(FilterType::CONVOLVE_MATRIX);
|
|
if (!filter) {
|
|
return nullptr;
|
|
}
|
|
filter->SetAttribute(ATT_CONVOLVE_MATRIX_KERNEL_SIZE, atts.GetIntSize(eConvolveMatrixKernelSize));
|
|
const nsTArray<float>& matrix = atts.GetFloats(eConvolveMatrixKernelMatrix);
|
|
filter->SetAttribute(ATT_CONVOLVE_MATRIX_KERNEL_MATRIX,
|
|
matrix.Elements(), matrix.Length());
|
|
filter->SetAttribute(ATT_CONVOLVE_MATRIX_DIVISOR,
|
|
atts.GetFloat(eConvolveMatrixDivisor));
|
|
filter->SetAttribute(ATT_CONVOLVE_MATRIX_BIAS,
|
|
atts.GetFloat(eConvolveMatrixBias));
|
|
filter->SetAttribute(ATT_CONVOLVE_MATRIX_TARGET,
|
|
atts.GetIntPoint(eConvolveMatrixTarget));
|
|
filter->SetAttribute(ATT_CONVOLVE_MATRIX_SOURCE_RECT,
|
|
aSourceRegions[0]);
|
|
uint32_t edgeMode = atts.GetUint(eConvolveMatrixEdgeMode);
|
|
static const uint8_t edgeModes[SVG_EDGEMODE_NONE+1] = {
|
|
EDGE_MODE_NONE, // SVG_EDGEMODE_UNKNOWN
|
|
EDGE_MODE_DUPLICATE, // SVG_EDGEMODE_DUPLICATE
|
|
EDGE_MODE_WRAP, // SVG_EDGEMODE_WRAP
|
|
EDGE_MODE_NONE // SVG_EDGEMODE_NONE
|
|
};
|
|
filter->SetAttribute(ATT_CONVOLVE_MATRIX_EDGE_MODE, (uint32_t)edgeModes[edgeMode]);
|
|
filter->SetAttribute(ATT_CONVOLVE_MATRIX_KERNEL_UNIT_LENGTH,
|
|
atts.GetSize(eConvolveMatrixKernelUnitLength));
|
|
filter->SetAttribute(ATT_CONVOLVE_MATRIX_PRESERVE_ALPHA,
|
|
atts.GetBool(eConvolveMatrixPreserveAlpha));
|
|
filter->SetInput(IN_CONVOLVE_MATRIX_IN, aSources[0]);
|
|
return filter.forget();
|
|
}
|
|
|
|
case PrimitiveType::Offset:
|
|
{
|
|
return FilterWrappers::Offset(aDT, aSources[0],
|
|
atts.GetIntPoint(eOffsetOffset));
|
|
}
|
|
|
|
case PrimitiveType::DisplacementMap:
|
|
{
|
|
RefPtr<FilterNode> filter = aDT->CreateFilter(FilterType::DISPLACEMENT_MAP);
|
|
if (!filter) {
|
|
return nullptr;
|
|
}
|
|
filter->SetAttribute(ATT_DISPLACEMENT_MAP_SCALE,
|
|
atts.GetFloat(eDisplacementMapScale));
|
|
static const uint8_t channel[SVG_CHANNEL_A+1] = {
|
|
COLOR_CHANNEL_R, // SVG_CHANNEL_UNKNOWN
|
|
COLOR_CHANNEL_R, // SVG_CHANNEL_R
|
|
COLOR_CHANNEL_G, // SVG_CHANNEL_G
|
|
COLOR_CHANNEL_B, // SVG_CHANNEL_B
|
|
COLOR_CHANNEL_A // SVG_CHANNEL_A
|
|
};
|
|
filter->SetAttribute(ATT_DISPLACEMENT_MAP_X_CHANNEL,
|
|
(uint32_t)channel[atts.GetUint(eDisplacementMapXChannel)]);
|
|
filter->SetAttribute(ATT_DISPLACEMENT_MAP_Y_CHANNEL,
|
|
(uint32_t)channel[atts.GetUint(eDisplacementMapYChannel)]);
|
|
filter->SetInput(IN_DISPLACEMENT_MAP_IN, aSources[0]);
|
|
filter->SetInput(IN_DISPLACEMENT_MAP_IN2, aSources[1]);
|
|
return filter.forget();
|
|
}
|
|
|
|
case PrimitiveType::Turbulence:
|
|
{
|
|
RefPtr<FilterNode> filter = aDT->CreateFilter(FilterType::TURBULENCE);
|
|
if (!filter) {
|
|
return nullptr;
|
|
}
|
|
filter->SetAttribute(ATT_TURBULENCE_BASE_FREQUENCY,
|
|
atts.GetSize(eTurbulenceBaseFrequency));
|
|
filter->SetAttribute(ATT_TURBULENCE_NUM_OCTAVES,
|
|
atts.GetUint(eTurbulenceNumOctaves));
|
|
filter->SetAttribute(ATT_TURBULENCE_STITCHABLE,
|
|
atts.GetBool(eTurbulenceStitchable));
|
|
filter->SetAttribute(ATT_TURBULENCE_SEED,
|
|
(uint32_t)atts.GetFloat(eTurbulenceSeed));
|
|
static const uint8_t type[SVG_TURBULENCE_TYPE_TURBULENCE+1] = {
|
|
TURBULENCE_TYPE_FRACTAL_NOISE, // SVG_TURBULENCE_TYPE_UNKNOWN
|
|
TURBULENCE_TYPE_FRACTAL_NOISE, // SVG_TURBULENCE_TYPE_FRACTALNOISE
|
|
TURBULENCE_TYPE_TURBULENCE // SVG_TURBULENCE_TYPE_TURBULENCE
|
|
};
|
|
filter->SetAttribute(ATT_TURBULENCE_TYPE,
|
|
(uint32_t)type[atts.GetUint(eTurbulenceType)]);
|
|
filter->SetAttribute(ATT_TURBULENCE_RECT,
|
|
aDescription.PrimitiveSubregion() - atts.GetIntPoint(eTurbulenceOffset));
|
|
return FilterWrappers::Offset(aDT, filter, atts.GetIntPoint(eTurbulenceOffset));
|
|
}
|
|
|
|
case PrimitiveType::Composite:
|
|
{
|
|
RefPtr<FilterNode> filter;
|
|
uint32_t op = atts.GetUint(eCompositeOperator);
|
|
if (op == SVG_FECOMPOSITE_OPERATOR_ARITHMETIC) {
|
|
const nsTArray<float>& coefficients = atts.GetFloats(eCompositeCoefficients);
|
|
static const float allZero[4] = { 0, 0, 0, 0 };
|
|
filter = aDT->CreateFilter(FilterType::ARITHMETIC_COMBINE);
|
|
// All-zero coefficients sometimes occur in junk filters.
|
|
if (!filter ||
|
|
(coefficients.Length() == ArrayLength(allZero) &&
|
|
PodEqual(coefficients.Elements(), allZero, ArrayLength(allZero)))) {
|
|
return nullptr;
|
|
}
|
|
filter->SetAttribute(ATT_ARITHMETIC_COMBINE_COEFFICIENTS,
|
|
coefficients.Elements(), coefficients.Length());
|
|
filter->SetInput(IN_ARITHMETIC_COMBINE_IN, aSources[0]);
|
|
filter->SetInput(IN_ARITHMETIC_COMBINE_IN2, aSources[1]);
|
|
} else {
|
|
filter = aDT->CreateFilter(FilterType::COMPOSITE);
|
|
if (!filter) {
|
|
return nullptr;
|
|
}
|
|
static const uint8_t operators[SVG_FECOMPOSITE_OPERATOR_ARITHMETIC] = {
|
|
COMPOSITE_OPERATOR_OVER, // SVG_FECOMPOSITE_OPERATOR_UNKNOWN
|
|
COMPOSITE_OPERATOR_OVER, // SVG_FECOMPOSITE_OPERATOR_OVER
|
|
COMPOSITE_OPERATOR_IN, // SVG_FECOMPOSITE_OPERATOR_IN
|
|
COMPOSITE_OPERATOR_OUT, // SVG_FECOMPOSITE_OPERATOR_OUT
|
|
COMPOSITE_OPERATOR_ATOP, // SVG_FECOMPOSITE_OPERATOR_ATOP
|
|
COMPOSITE_OPERATOR_XOR // SVG_FECOMPOSITE_OPERATOR_XOR
|
|
};
|
|
filter->SetAttribute(ATT_COMPOSITE_OPERATOR, (uint32_t)operators[op]);
|
|
filter->SetInput(IN_COMPOSITE_IN_START, aSources[1]);
|
|
filter->SetInput(IN_COMPOSITE_IN_START + 1, aSources[0]);
|
|
}
|
|
return filter.forget();
|
|
}
|
|
|
|
case PrimitiveType::Merge:
|
|
{
|
|
if (aSources.Length() == 0) {
|
|
return nullptr;
|
|
}
|
|
if (aSources.Length() == 1) {
|
|
RefPtr<FilterNode> filter(aSources[0]);
|
|
return filter.forget();
|
|
}
|
|
RefPtr<FilterNode> filter = aDT->CreateFilter(FilterType::COMPOSITE);
|
|
if (!filter) {
|
|
return nullptr;
|
|
}
|
|
filter->SetAttribute(ATT_COMPOSITE_OPERATOR, (uint32_t)COMPOSITE_OPERATOR_OVER);
|
|
for (size_t i = 0; i < aSources.Length(); i++) {
|
|
filter->SetInput(IN_COMPOSITE_IN_START + i, aSources[i]);
|
|
}
|
|
return filter.forget();
|
|
}
|
|
|
|
case PrimitiveType::GaussianBlur:
|
|
{
|
|
return FilterWrappers::GaussianBlur(aDT, aSources[0],
|
|
atts.GetSize(eGaussianBlurStdDeviation));
|
|
}
|
|
|
|
case PrimitiveType::DropShadow:
|
|
{
|
|
RefPtr<FilterNode> alpha = FilterWrappers::ToAlpha(aDT, aSources[0]);
|
|
RefPtr<FilterNode> blur = FilterWrappers::GaussianBlur(aDT, alpha,
|
|
atts.GetSize(eDropShadowStdDeviation));
|
|
RefPtr<FilterNode> offsetBlur = FilterWrappers::Offset(aDT, blur,
|
|
atts.GetIntPoint(eDropShadowOffset));
|
|
RefPtr<FilterNode> flood = aDT->CreateFilter(FilterType::FLOOD);
|
|
if (!flood) {
|
|
return nullptr;
|
|
}
|
|
Color color = atts.GetColor(eDropShadowColor);
|
|
if (aDescription.InputColorSpace(0) == ColorSpace::LinearRGB) {
|
|
color = Color(gsRGBToLinearRGBMap[uint8_t(color.r * 255)],
|
|
gsRGBToLinearRGBMap[uint8_t(color.g * 255)],
|
|
gsRGBToLinearRGBMap[uint8_t(color.b * 255)],
|
|
color.a);
|
|
}
|
|
flood->SetAttribute(ATT_FLOOD_COLOR, color);
|
|
|
|
RefPtr<FilterNode> composite = aDT->CreateFilter(FilterType::COMPOSITE);
|
|
if (!composite) {
|
|
return nullptr;
|
|
}
|
|
composite->SetAttribute(ATT_COMPOSITE_OPERATOR, (uint32_t)COMPOSITE_OPERATOR_IN);
|
|
composite->SetInput(IN_COMPOSITE_IN_START, offsetBlur);
|
|
composite->SetInput(IN_COMPOSITE_IN_START + 1, flood);
|
|
|
|
RefPtr<FilterNode> filter = aDT->CreateFilter(FilterType::COMPOSITE);
|
|
if (!filter) {
|
|
return nullptr;
|
|
}
|
|
filter->SetAttribute(ATT_COMPOSITE_OPERATOR, (uint32_t)COMPOSITE_OPERATOR_OVER);
|
|
filter->SetInput(IN_COMPOSITE_IN_START, composite);
|
|
filter->SetInput(IN_COMPOSITE_IN_START + 1, aSources[0]);
|
|
return filter.forget();
|
|
}
|
|
|
|
case PrimitiveType::DiffuseLighting:
|
|
case PrimitiveType::SpecularLighting:
|
|
{
|
|
bool isSpecular =
|
|
aDescription.Type() == PrimitiveType::SpecularLighting;
|
|
|
|
AttributeMap lightAttributes = atts.GetAttributeMap(eLightingLight);
|
|
|
|
if (lightAttributes.GetUint(eLightType) == eLightTypeNone) {
|
|
return nullptr;
|
|
}
|
|
|
|
enum { POINT = 0, SPOT, DISTANT } lightType = POINT;
|
|
|
|
switch (lightAttributes.GetUint(eLightType)) {
|
|
case eLightTypePoint: lightType = POINT; break;
|
|
case eLightTypeSpot: lightType = SPOT; break;
|
|
case eLightTypeDistant: lightType = DISTANT; break;
|
|
}
|
|
|
|
static const FilterType filterType[2][DISTANT+1] = {
|
|
{ FilterType::POINT_DIFFUSE, FilterType::SPOT_DIFFUSE, FilterType::DISTANT_DIFFUSE },
|
|
{ FilterType::POINT_SPECULAR, FilterType::SPOT_SPECULAR, FilterType::DISTANT_SPECULAR }
|
|
};
|
|
RefPtr<FilterNode> filter =
|
|
aDT->CreateFilter(filterType[isSpecular][lightType]);
|
|
if (!filter) {
|
|
return nullptr;
|
|
}
|
|
|
|
filter->SetAttribute(ATT_LIGHTING_COLOR,
|
|
atts.GetColor(eLightingColor));
|
|
filter->SetAttribute(ATT_LIGHTING_SURFACE_SCALE,
|
|
atts.GetFloat(eLightingSurfaceScale));
|
|
filter->SetAttribute(ATT_LIGHTING_KERNEL_UNIT_LENGTH,
|
|
atts.GetSize(eLightingKernelUnitLength));
|
|
|
|
if (isSpecular) {
|
|
filter->SetAttribute(ATT_SPECULAR_LIGHTING_SPECULAR_CONSTANT,
|
|
atts.GetFloat(eSpecularLightingSpecularConstant));
|
|
filter->SetAttribute(ATT_SPECULAR_LIGHTING_SPECULAR_EXPONENT,
|
|
atts.GetFloat(eSpecularLightingSpecularExponent));
|
|
} else {
|
|
filter->SetAttribute(ATT_DIFFUSE_LIGHTING_DIFFUSE_CONSTANT,
|
|
atts.GetFloat(eDiffuseLightingDiffuseConstant));
|
|
}
|
|
|
|
switch (lightType) {
|
|
case POINT:
|
|
filter->SetAttribute(ATT_POINT_LIGHT_POSITION,
|
|
lightAttributes.GetPoint3D(ePointLightPosition));
|
|
break;
|
|
case SPOT:
|
|
filter->SetAttribute(ATT_SPOT_LIGHT_POSITION,
|
|
lightAttributes.GetPoint3D(eSpotLightPosition));
|
|
filter->SetAttribute(ATT_SPOT_LIGHT_POINTS_AT,
|
|
lightAttributes.GetPoint3D(eSpotLightPointsAt));
|
|
filter->SetAttribute(ATT_SPOT_LIGHT_FOCUS,
|
|
lightAttributes.GetFloat(eSpotLightFocus));
|
|
filter->SetAttribute(ATT_SPOT_LIGHT_LIMITING_CONE_ANGLE,
|
|
lightAttributes.GetFloat(eSpotLightLimitingConeAngle));
|
|
break;
|
|
case DISTANT:
|
|
filter->SetAttribute(ATT_DISTANT_LIGHT_AZIMUTH,
|
|
lightAttributes.GetFloat(eDistantLightAzimuth));
|
|
filter->SetAttribute(ATT_DISTANT_LIGHT_ELEVATION,
|
|
lightAttributes.GetFloat(eDistantLightElevation));
|
|
break;
|
|
}
|
|
|
|
filter->SetInput(IN_LIGHTING_IN, aSources[0]);
|
|
|
|
return filter.forget();
|
|
}
|
|
|
|
case PrimitiveType::Image:
|
|
{
|
|
Matrix TM = atts.GetMatrix(eImageTransform);
|
|
if (!TM.Determinant()) {
|
|
return nullptr;
|
|
}
|
|
|
|
// Pull the image from the additional image list using the index that's
|
|
// stored in the primitive description.
|
|
RefPtr<SourceSurface> inputImage =
|
|
aInputImages[atts.GetUint(eImageInputIndex)];
|
|
|
|
RefPtr<FilterNode> transform = aDT->CreateFilter(FilterType::TRANSFORM);
|
|
if (!transform) {
|
|
return nullptr;
|
|
}
|
|
transform->SetInput(IN_TRANSFORM_IN, inputImage);
|
|
transform->SetAttribute(ATT_TRANSFORM_MATRIX, TM);
|
|
transform->SetAttribute(ATT_TRANSFORM_FILTER, atts.GetUint(eImageFilter));
|
|
return transform.forget();
|
|
}
|
|
|
|
case PrimitiveType::ToAlpha:
|
|
{
|
|
return FilterWrappers::ToAlpha(aDT, aSources[0]);
|
|
}
|
|
|
|
default:
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
template<typename T>
|
|
static const T&
|
|
ElementForIndex(int32_t aIndex,
|
|
const nsTArray<T>& aPrimitiveElements,
|
|
const T& aSourceGraphicElement,
|
|
const T& aFillPaintElement,
|
|
const T& aStrokePaintElement)
|
|
{
|
|
switch (aIndex) {
|
|
case FilterPrimitiveDescription::kPrimitiveIndexSourceGraphic:
|
|
case FilterPrimitiveDescription::kPrimitiveIndexSourceAlpha:
|
|
return aSourceGraphicElement;
|
|
case FilterPrimitiveDescription::kPrimitiveIndexFillPaint:
|
|
return aFillPaintElement;
|
|
case FilterPrimitiveDescription::kPrimitiveIndexStrokePaint:
|
|
return aStrokePaintElement;
|
|
default:
|
|
MOZ_ASSERT(aIndex >= 0, "bad index");
|
|
return aPrimitiveElements[aIndex];
|
|
}
|
|
}
|
|
|
|
static AlphaModel
|
|
InputAlphaModelForPrimitive(const FilterPrimitiveDescription& aDescr,
|
|
int32_t aInputIndex,
|
|
AlphaModel aOriginalAlphaModel)
|
|
{
|
|
switch (aDescr.Type()) {
|
|
case PrimitiveType::Tile:
|
|
case PrimitiveType::Offset:
|
|
case PrimitiveType::ToAlpha:
|
|
return aOriginalAlphaModel;
|
|
|
|
case PrimitiveType::ColorMatrix:
|
|
case PrimitiveType::ComponentTransfer:
|
|
return AlphaModel::Unpremultiplied;
|
|
|
|
case PrimitiveType::DisplacementMap:
|
|
return aInputIndex == 0 ?
|
|
AlphaModel::Premultiplied : AlphaModel::Unpremultiplied;
|
|
|
|
case PrimitiveType::ConvolveMatrix:
|
|
return aDescr.Attributes().GetBool(eConvolveMatrixPreserveAlpha) ?
|
|
AlphaModel::Unpremultiplied : AlphaModel::Premultiplied;
|
|
|
|
default:
|
|
return AlphaModel::Premultiplied;
|
|
}
|
|
}
|
|
|
|
static AlphaModel
|
|
OutputAlphaModelForPrimitive(const FilterPrimitiveDescription& aDescr,
|
|
const nsTArray<AlphaModel>& aInputAlphaModels)
|
|
{
|
|
if (aInputAlphaModels.Length()) {
|
|
// For filters with inputs, the output is premultiplied if and only if the
|
|
// first input is premultiplied.
|
|
return InputAlphaModelForPrimitive(aDescr, 0, aInputAlphaModels[0]);
|
|
}
|
|
|
|
// All filters without inputs produce premultiplied alpha.
|
|
return AlphaModel::Premultiplied;
|
|
}
|
|
|
|
// Returns the output FilterNode, in premultiplied sRGB space.
|
|
static already_AddRefed<FilterNode>
|
|
FilterNodeGraphFromDescription(DrawTarget* aDT,
|
|
const FilterDescription& aFilter,
|
|
const Rect& aResultNeededRect,
|
|
SourceSurface* aSourceGraphic,
|
|
const IntRect& aSourceGraphicRect,
|
|
SourceSurface* aFillPaint,
|
|
const IntRect& aFillPaintRect,
|
|
SourceSurface* aStrokePaint,
|
|
const IntRect& aStrokePaintRect,
|
|
nsTArray<RefPtr<SourceSurface>>& aAdditionalImages)
|
|
{
|
|
const nsTArray<FilterPrimitiveDescription>& primitives = aFilter.mPrimitives;
|
|
|
|
RefPtr<FilterCachedColorModels> sourceFilters[4];
|
|
nsTArray<RefPtr<FilterCachedColorModels> > primitiveFilters;
|
|
|
|
for (size_t i = 0; i < primitives.Length(); ++i) {
|
|
const FilterPrimitiveDescription& descr = primitives[i];
|
|
|
|
nsTArray<RefPtr<FilterNode> > inputFilterNodes;
|
|
nsTArray<IntRect> inputSourceRects;
|
|
nsTArray<AlphaModel> inputAlphaModels;
|
|
|
|
for (size_t j = 0; j < descr.NumberOfInputs(); j++) {
|
|
|
|
int32_t inputIndex = descr.InputPrimitiveIndex(j);
|
|
if (inputIndex < 0) {
|
|
inputSourceRects.AppendElement(descr.FilterSpaceBounds());
|
|
} else {
|
|
inputSourceRects.AppendElement(primitives[inputIndex].PrimitiveSubregion());
|
|
}
|
|
|
|
RefPtr<FilterCachedColorModels> inputFilter;
|
|
if (inputIndex >= 0) {
|
|
MOZ_ASSERT(inputIndex < (int64_t)primitiveFilters.Length(), "out-of-bounds input index!");
|
|
inputFilter = primitiveFilters[inputIndex];
|
|
MOZ_ASSERT(inputFilter, "Referred to input filter that comes after the current one?");
|
|
} else {
|
|
int32_t sourceIndex = -inputIndex - 1;
|
|
MOZ_ASSERT(sourceIndex >= 0, "invalid source index");
|
|
MOZ_ASSERT(sourceIndex < 4, "invalid source index");
|
|
inputFilter = sourceFilters[sourceIndex];
|
|
if (!inputFilter) {
|
|
RefPtr<FilterNode> sourceFilterNode;
|
|
|
|
nsTArray<SourceSurface*> primitiveSurfaces;
|
|
nsTArray<IntRect> primitiveSurfaceRects;
|
|
RefPtr<SourceSurface> surf =
|
|
ElementForIndex(inputIndex, primitiveSurfaces,
|
|
aSourceGraphic, aFillPaint, aStrokePaint);
|
|
IntRect surfaceRect =
|
|
ElementForIndex(inputIndex, primitiveSurfaceRects,
|
|
aSourceGraphicRect, aFillPaintRect, aStrokePaintRect);
|
|
if (surf) {
|
|
IntPoint offset = surfaceRect.TopLeft();
|
|
sourceFilterNode = FilterWrappers::ForSurface(aDT, surf, offset);
|
|
|
|
// Clip the original SourceGraphic to the first filter region if the
|
|
// surface isn't already sized appropriately.
|
|
if ((inputIndex == FilterPrimitiveDescription::kPrimitiveIndexSourceGraphic ||
|
|
inputIndex == FilterPrimitiveDescription::kPrimitiveIndexSourceAlpha) &&
|
|
!descr.FilterSpaceBounds().Contains(aSourceGraphicRect)) {
|
|
sourceFilterNode =
|
|
FilterWrappers::Crop(aDT, sourceFilterNode, descr.FilterSpaceBounds());
|
|
}
|
|
|
|
if (inputIndex == FilterPrimitiveDescription::kPrimitiveIndexSourceAlpha) {
|
|
sourceFilterNode = FilterWrappers::ToAlpha(aDT, sourceFilterNode);
|
|
}
|
|
}
|
|
|
|
inputFilter = new FilterCachedColorModels(aDT, sourceFilterNode,
|
|
ColorModel::PremulSRGB());
|
|
sourceFilters[sourceIndex] = inputFilter;
|
|
}
|
|
}
|
|
MOZ_ASSERT(inputFilter);
|
|
|
|
AlphaModel inputAlphaModel =
|
|
InputAlphaModelForPrimitive(descr, j, inputFilter->OriginalAlphaModel());
|
|
inputAlphaModels.AppendElement(inputAlphaModel);
|
|
ColorModel inputColorModel(descr.InputColorSpace(j), inputAlphaModel);
|
|
inputFilterNodes.AppendElement(inputFilter->ForColorModel(inputColorModel));
|
|
}
|
|
|
|
RefPtr<FilterNode> primitiveFilterNode =
|
|
FilterNodeFromPrimitiveDescription(descr, aDT, inputFilterNodes,
|
|
inputSourceRects, aAdditionalImages);
|
|
|
|
if (primitiveFilterNode) {
|
|
primitiveFilterNode =
|
|
FilterWrappers::Crop(aDT, primitiveFilterNode, descr.PrimitiveSubregion());
|
|
}
|
|
|
|
ColorModel outputColorModel(descr.OutputColorSpace(),
|
|
OutputAlphaModelForPrimitive(descr, inputAlphaModels));
|
|
RefPtr<FilterCachedColorModels> primitiveFilter =
|
|
new FilterCachedColorModels(aDT, primitiveFilterNode, outputColorModel);
|
|
|
|
primitiveFilters.AppendElement(primitiveFilter);
|
|
}
|
|
|
|
return primitiveFilters.LastElement()->ForColorModel(ColorModel::PremulSRGB());
|
|
}
|
|
|
|
// FilterSupport
|
|
|
|
void
|
|
FilterSupport::RenderFilterDescription(DrawTarget* aDT,
|
|
const FilterDescription& aFilter,
|
|
const Rect& aRenderRect,
|
|
SourceSurface* aSourceGraphic,
|
|
const IntRect& aSourceGraphicRect,
|
|
SourceSurface* aFillPaint,
|
|
const IntRect& aFillPaintRect,
|
|
SourceSurface* aStrokePaint,
|
|
const IntRect& aStrokePaintRect,
|
|
nsTArray<RefPtr<SourceSurface>>& aAdditionalImages,
|
|
const Point& aDestPoint,
|
|
const DrawOptions& aOptions)
|
|
{
|
|
RefPtr<FilterNode> resultFilter =
|
|
FilterNodeGraphFromDescription(aDT, aFilter, aRenderRect,
|
|
aSourceGraphic, aSourceGraphicRect, aFillPaint, aFillPaintRect,
|
|
aStrokePaint, aStrokePaintRect, aAdditionalImages);
|
|
if (!resultFilter) {
|
|
gfxWarning() << "Filter is NULL.";
|
|
return;
|
|
}
|
|
aDT->DrawFilter(resultFilter, aRenderRect, aDestPoint, aOptions);
|
|
}
|
|
|
|
static nsIntRegion
|
|
UnionOfRegions(const nsTArray<nsIntRegion>& aRegions)
|
|
{
|
|
nsIntRegion result;
|
|
for (size_t i = 0; i < aRegions.Length(); i++) {
|
|
result.Or(result, aRegions[i]);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
static int32_t
|
|
InflateSizeForBlurStdDev(float aStdDev)
|
|
{
|
|
double size = std::min(aStdDev, kMaxStdDeviation) * (3 * sqrt(2 * M_PI) / 4) * 1.5;
|
|
return uint32_t(floor(size + 0.5));
|
|
}
|
|
|
|
static nsIntRegion
|
|
ResultChangeRegionForPrimitive(const FilterPrimitiveDescription& aDescription,
|
|
const nsTArray<nsIntRegion>& aInputChangeRegions)
|
|
{
|
|
const AttributeMap& atts = aDescription.Attributes();
|
|
switch (aDescription.Type()) {
|
|
|
|
case PrimitiveType::Empty:
|
|
case PrimitiveType::Flood:
|
|
case PrimitiveType::Turbulence:
|
|
case PrimitiveType::Image:
|
|
return nsIntRegion();
|
|
|
|
case PrimitiveType::Blend:
|
|
case PrimitiveType::Composite:
|
|
case PrimitiveType::Merge:
|
|
return UnionOfRegions(aInputChangeRegions);
|
|
|
|
case PrimitiveType::ColorMatrix:
|
|
case PrimitiveType::ComponentTransfer:
|
|
case PrimitiveType::ToAlpha:
|
|
return aInputChangeRegions[0];
|
|
|
|
case PrimitiveType::Morphology:
|
|
{
|
|
Size radii = atts.GetSize(eMorphologyRadii);
|
|
int32_t rx = clamped(int32_t(ceil(radii.width)), 0, kMorphologyMaxRadius);
|
|
int32_t ry = clamped(int32_t(ceil(radii.height)), 0, kMorphologyMaxRadius);
|
|
return aInputChangeRegions[0].Inflated(nsIntMargin(ry, rx, ry, rx));
|
|
}
|
|
|
|
case PrimitiveType::Tile:
|
|
return aDescription.PrimitiveSubregion();
|
|
|
|
case PrimitiveType::ConvolveMatrix:
|
|
{
|
|
if (atts.GetUint(eConvolveMatrixEdgeMode) != EDGE_MODE_NONE) {
|
|
return aDescription.PrimitiveSubregion();
|
|
}
|
|
Size kernelUnitLength = atts.GetSize(eConvolveMatrixKernelUnitLength);
|
|
IntSize kernelSize = atts.GetIntSize(eConvolveMatrixKernelSize);
|
|
IntPoint target = atts.GetIntPoint(eConvolveMatrixTarget);
|
|
nsIntMargin m(ceil(kernelUnitLength.width * (target.x)),
|
|
ceil(kernelUnitLength.height * (target.y)),
|
|
ceil(kernelUnitLength.width * (kernelSize.width - target.x - 1)),
|
|
ceil(kernelUnitLength.height * (kernelSize.height - target.y - 1)));
|
|
return aInputChangeRegions[0].Inflated(m);
|
|
}
|
|
|
|
case PrimitiveType::Offset:
|
|
{
|
|
IntPoint offset = atts.GetIntPoint(eOffsetOffset);
|
|
return aInputChangeRegions[0].MovedBy(offset.x, offset.y);
|
|
}
|
|
|
|
case PrimitiveType::DisplacementMap:
|
|
{
|
|
int32_t scale = ceil(std::abs(atts.GetFloat(eDisplacementMapScale)));
|
|
return aInputChangeRegions[0].Inflated(nsIntMargin(scale, scale, scale, scale));
|
|
}
|
|
|
|
case PrimitiveType::GaussianBlur:
|
|
{
|
|
Size stdDeviation = atts.GetSize(eGaussianBlurStdDeviation);
|
|
int32_t dx = InflateSizeForBlurStdDev(stdDeviation.width);
|
|
int32_t dy = InflateSizeForBlurStdDev(stdDeviation.height);
|
|
return aInputChangeRegions[0].Inflated(nsIntMargin(dy, dx, dy, dx));
|
|
}
|
|
|
|
case PrimitiveType::DropShadow:
|
|
{
|
|
IntPoint offset = atts.GetIntPoint(eDropShadowOffset);
|
|
nsIntRegion offsetRegion = aInputChangeRegions[0].MovedBy(offset.x, offset.y);
|
|
Size stdDeviation = atts.GetSize(eDropShadowStdDeviation);
|
|
int32_t dx = InflateSizeForBlurStdDev(stdDeviation.width);
|
|
int32_t dy = InflateSizeForBlurStdDev(stdDeviation.height);
|
|
nsIntRegion blurRegion = offsetRegion.Inflated(nsIntMargin(dy, dx, dy, dx));
|
|
blurRegion.Or(blurRegion, aInputChangeRegions[0]);
|
|
return blurRegion;
|
|
}
|
|
|
|
case PrimitiveType::DiffuseLighting:
|
|
case PrimitiveType::SpecularLighting:
|
|
{
|
|
Size kernelUnitLength = atts.GetSize(eLightingKernelUnitLength);
|
|
int32_t dx = ceil(kernelUnitLength.width);
|
|
int32_t dy = ceil(kernelUnitLength.height);
|
|
return aInputChangeRegions[0].Inflated(nsIntMargin(dy, dx, dy, dx));
|
|
}
|
|
|
|
default:
|
|
return nsIntRegion();
|
|
}
|
|
}
|
|
|
|
/* static */ nsIntRegion
|
|
FilterSupport::ComputeResultChangeRegion(const FilterDescription& aFilter,
|
|
const nsIntRegion& aSourceGraphicChange,
|
|
const nsIntRegion& aFillPaintChange,
|
|
const nsIntRegion& aStrokePaintChange)
|
|
{
|
|
const nsTArray<FilterPrimitiveDescription>& primitives = aFilter.mPrimitives;
|
|
nsTArray<nsIntRegion> resultChangeRegions;
|
|
|
|
for (int32_t i = 0; i < int32_t(primitives.Length()); ++i) {
|
|
const FilterPrimitiveDescription& descr = primitives[i];
|
|
|
|
nsTArray<nsIntRegion> inputChangeRegions;
|
|
for (size_t j = 0; j < descr.NumberOfInputs(); j++) {
|
|
int32_t inputIndex = descr.InputPrimitiveIndex(j);
|
|
MOZ_ASSERT(inputIndex < i, "bad input index");
|
|
nsIntRegion inputChangeRegion =
|
|
ElementForIndex(inputIndex, resultChangeRegions,
|
|
aSourceGraphicChange, aFillPaintChange,
|
|
aStrokePaintChange);
|
|
inputChangeRegions.AppendElement(inputChangeRegion);
|
|
}
|
|
nsIntRegion changeRegion =
|
|
ResultChangeRegionForPrimitive(descr, inputChangeRegions);
|
|
changeRegion.And(changeRegion, descr.PrimitiveSubregion());
|
|
resultChangeRegions.AppendElement(changeRegion);
|
|
}
|
|
|
|
return resultChangeRegions[resultChangeRegions.Length() - 1];
|
|
}
|
|
|
|
static float
|
|
ResultOfZeroUnderTransferFunction(const AttributeMap& aFunctionAttributes)
|
|
{
|
|
switch (aFunctionAttributes.GetUint(eComponentTransferFunctionType)) {
|
|
case SVG_FECOMPONENTTRANSFER_TYPE_TABLE:
|
|
{
|
|
const nsTArray<float>& tableValues =
|
|
aFunctionAttributes.GetFloats(eComponentTransferFunctionTableValues);
|
|
if (tableValues.Length() < 2) {
|
|
return 0.0f;
|
|
}
|
|
return tableValues[0];
|
|
}
|
|
|
|
case SVG_FECOMPONENTTRANSFER_TYPE_DISCRETE:
|
|
{
|
|
const nsTArray<float>& tableValues =
|
|
aFunctionAttributes.GetFloats(eComponentTransferFunctionTableValues);
|
|
if (tableValues.Length() < 1) {
|
|
return 0.0f;
|
|
}
|
|
return tableValues[0];
|
|
}
|
|
|
|
case SVG_FECOMPONENTTRANSFER_TYPE_LINEAR:
|
|
return aFunctionAttributes.GetFloat(eComponentTransferFunctionIntercept);
|
|
|
|
case SVG_FECOMPONENTTRANSFER_TYPE_GAMMA:
|
|
return aFunctionAttributes.GetFloat(eComponentTransferFunctionOffset);
|
|
|
|
case SVG_FECOMPONENTTRANSFER_TYPE_IDENTITY:
|
|
default:
|
|
return 0.0f;
|
|
}
|
|
}
|
|
|
|
nsIntRegion
|
|
FilterSupport::PostFilterExtentsForPrimitive(const FilterPrimitiveDescription& aDescription,
|
|
const nsTArray<nsIntRegion>& aInputExtents)
|
|
{
|
|
const AttributeMap& atts = aDescription.Attributes();
|
|
switch (aDescription.Type()) {
|
|
|
|
case PrimitiveType::Empty:
|
|
return IntRect();
|
|
|
|
case PrimitiveType::Composite:
|
|
{
|
|
uint32_t op = atts.GetUint(eCompositeOperator);
|
|
if (op == SVG_FECOMPOSITE_OPERATOR_ARITHMETIC) {
|
|
// The arithmetic composite primitive can draw outside the bounding
|
|
// box of its source images.
|
|
const nsTArray<float>& coefficients = atts.GetFloats(eCompositeCoefficients);
|
|
MOZ_ASSERT(coefficients.Length() == 4);
|
|
|
|
// The calculation is:
|
|
// r = c[0] * in[0] * in[1] + c[1] * in[0] + c[2] * in[1] + c[3]
|
|
nsIntRegion region;
|
|
if (coefficients[0] > 0.0f) {
|
|
region = aInputExtents[0].Intersect(aInputExtents[1]);
|
|
}
|
|
if (coefficients[1] > 0.0f) {
|
|
region.Or(region, aInputExtents[0]);
|
|
}
|
|
if (coefficients[2] > 0.0f) {
|
|
region.Or(region, aInputExtents[1]);
|
|
}
|
|
if (coefficients[3] > 0.0f) {
|
|
region = aDescription.PrimitiveSubregion();
|
|
}
|
|
return region;
|
|
}
|
|
if (op == SVG_FECOMPOSITE_OPERATOR_IN) {
|
|
return aInputExtents[0].Intersect(aInputExtents[1]);
|
|
}
|
|
return ResultChangeRegionForPrimitive(aDescription, aInputExtents);
|
|
}
|
|
|
|
case PrimitiveType::Flood:
|
|
{
|
|
if (atts.GetColor(eFloodColor).a == 0.0f) {
|
|
return IntRect();
|
|
}
|
|
return aDescription.PrimitiveSubregion();
|
|
}
|
|
|
|
case PrimitiveType::ColorMatrix:
|
|
{
|
|
if (atts.GetUint(eColorMatrixType) == (uint32_t)SVG_FECOLORMATRIX_TYPE_MATRIX) {
|
|
const nsTArray<float>& values = atts.GetFloats(eColorMatrixValues);
|
|
if (values.Length() == 20 && values[19] > 0.0f) {
|
|
return aDescription.PrimitiveSubregion();
|
|
}
|
|
}
|
|
return aInputExtents[0];
|
|
}
|
|
|
|
case PrimitiveType::ComponentTransfer:
|
|
{
|
|
AttributeMap functionAttributes =
|
|
atts.GetAttributeMap(eComponentTransferFunctionA);
|
|
if (ResultOfZeroUnderTransferFunction(functionAttributes) > 0.0f) {
|
|
return aDescription.PrimitiveSubregion();
|
|
}
|
|
return aInputExtents[0];
|
|
}
|
|
|
|
case PrimitiveType::Turbulence:
|
|
case PrimitiveType::Image:
|
|
case PrimitiveType::DiffuseLighting:
|
|
case PrimitiveType::SpecularLighting:
|
|
{
|
|
return aDescription.PrimitiveSubregion();
|
|
}
|
|
|
|
case PrimitiveType::Morphology:
|
|
{
|
|
uint32_t op = atts.GetUint(eMorphologyOperator);
|
|
if (op == SVG_OPERATOR_ERODE) {
|
|
return aInputExtents[0];
|
|
}
|
|
Size radii = atts.GetSize(eMorphologyRadii);
|
|
int32_t rx = clamped(int32_t(ceil(radii.width)), 0, kMorphologyMaxRadius);
|
|
int32_t ry = clamped(int32_t(ceil(radii.height)), 0, kMorphologyMaxRadius);
|
|
return aInputExtents[0].Inflated(nsIntMargin(ry, rx, ry, rx));
|
|
}
|
|
|
|
default:
|
|
return ResultChangeRegionForPrimitive(aDescription, aInputExtents);
|
|
}
|
|
}
|
|
|
|
/* static */ nsIntRegion
|
|
FilterSupport::ComputePostFilterExtents(const FilterDescription& aFilter,
|
|
const nsIntRegion& aSourceGraphicExtents)
|
|
{
|
|
const nsTArray<FilterPrimitiveDescription>& primitives = aFilter.mPrimitives;
|
|
nsTArray<nsIntRegion> postFilterExtents;
|
|
|
|
for (int32_t i = 0; i < int32_t(primitives.Length()); ++i) {
|
|
const FilterPrimitiveDescription& descr = primitives[i];
|
|
nsIntRegion filterSpace = descr.FilterSpaceBounds();
|
|
|
|
nsTArray<nsIntRegion> inputExtents;
|
|
for (size_t j = 0; j < descr.NumberOfInputs(); j++) {
|
|
int32_t inputIndex = descr.InputPrimitiveIndex(j);
|
|
MOZ_ASSERT(inputIndex < i, "bad input index");
|
|
nsIntRegion inputExtent =
|
|
ElementForIndex(inputIndex, postFilterExtents,
|
|
aSourceGraphicExtents, filterSpace, filterSpace);
|
|
inputExtents.AppendElement(inputExtent);
|
|
}
|
|
nsIntRegion extent = PostFilterExtentsForPrimitive(descr, inputExtents);
|
|
extent.And(extent, descr.PrimitiveSubregion());
|
|
postFilterExtents.AppendElement(extent);
|
|
}
|
|
|
|
return postFilterExtents[postFilterExtents.Length() - 1];
|
|
}
|
|
|
|
static nsIntRegion
|
|
SourceNeededRegionForPrimitive(const FilterPrimitiveDescription& aDescription,
|
|
const nsIntRegion& aResultNeededRegion,
|
|
int32_t aInputIndex)
|
|
{
|
|
const AttributeMap& atts = aDescription.Attributes();
|
|
switch (aDescription.Type()) {
|
|
|
|
case PrimitiveType::Flood:
|
|
case PrimitiveType::Turbulence:
|
|
case PrimitiveType::Image:
|
|
MOZ_CRASH("GFX: this shouldn't be called for filters without inputs");
|
|
return nsIntRegion();
|
|
|
|
case PrimitiveType::Empty:
|
|
return nsIntRegion();
|
|
|
|
case PrimitiveType::Blend:
|
|
case PrimitiveType::Composite:
|
|
case PrimitiveType::Merge:
|
|
case PrimitiveType::ColorMatrix:
|
|
case PrimitiveType::ComponentTransfer:
|
|
case PrimitiveType::ToAlpha:
|
|
return aResultNeededRegion;
|
|
|
|
case PrimitiveType::Morphology:
|
|
{
|
|
Size radii = atts.GetSize(eMorphologyRadii);
|
|
int32_t rx = clamped(int32_t(ceil(radii.width)), 0, kMorphologyMaxRadius);
|
|
int32_t ry = clamped(int32_t(ceil(radii.height)), 0, kMorphologyMaxRadius);
|
|
return aResultNeededRegion.Inflated(nsIntMargin(ry, rx, ry, rx));
|
|
}
|
|
|
|
case PrimitiveType::Tile:
|
|
return IntRect(INT32_MIN/2, INT32_MIN/2, INT32_MAX, INT32_MAX);
|
|
|
|
case PrimitiveType::ConvolveMatrix:
|
|
{
|
|
Size kernelUnitLength = atts.GetSize(eConvolveMatrixKernelUnitLength);
|
|
IntSize kernelSize = atts.GetIntSize(eConvolveMatrixKernelSize);
|
|
IntPoint target = atts.GetIntPoint(eConvolveMatrixTarget);
|
|
nsIntMargin m(ceil(kernelUnitLength.width * (kernelSize.width - target.x - 1)),
|
|
ceil(kernelUnitLength.height * (kernelSize.height - target.y - 1)),
|
|
ceil(kernelUnitLength.width * (target.x)),
|
|
ceil(kernelUnitLength.height * (target.y)));
|
|
return aResultNeededRegion.Inflated(m);
|
|
}
|
|
|
|
case PrimitiveType::Offset:
|
|
{
|
|
IntPoint offset = atts.GetIntPoint(eOffsetOffset);
|
|
return aResultNeededRegion.MovedBy(-nsIntPoint(offset.x, offset.y));
|
|
}
|
|
|
|
case PrimitiveType::DisplacementMap:
|
|
{
|
|
if (aInputIndex == 1) {
|
|
return aResultNeededRegion;
|
|
}
|
|
int32_t scale = ceil(std::abs(atts.GetFloat(eDisplacementMapScale)));
|
|
return aResultNeededRegion.Inflated(nsIntMargin(scale, scale, scale, scale));
|
|
}
|
|
|
|
case PrimitiveType::GaussianBlur:
|
|
{
|
|
Size stdDeviation = atts.GetSize(eGaussianBlurStdDeviation);
|
|
int32_t dx = InflateSizeForBlurStdDev(stdDeviation.width);
|
|
int32_t dy = InflateSizeForBlurStdDev(stdDeviation.height);
|
|
return aResultNeededRegion.Inflated(nsIntMargin(dy, dx, dy, dx));
|
|
}
|
|
|
|
case PrimitiveType::DropShadow:
|
|
{
|
|
IntPoint offset = atts.GetIntPoint(eDropShadowOffset);
|
|
nsIntRegion offsetRegion =
|
|
aResultNeededRegion.MovedBy(-nsIntPoint(offset.x, offset.y));
|
|
Size stdDeviation = atts.GetSize(eDropShadowStdDeviation);
|
|
int32_t dx = InflateSizeForBlurStdDev(stdDeviation.width);
|
|
int32_t dy = InflateSizeForBlurStdDev(stdDeviation.height);
|
|
nsIntRegion blurRegion = offsetRegion.Inflated(nsIntMargin(dy, dx, dy, dx));
|
|
blurRegion.Or(blurRegion, aResultNeededRegion);
|
|
return blurRegion;
|
|
}
|
|
|
|
case PrimitiveType::DiffuseLighting:
|
|
case PrimitiveType::SpecularLighting:
|
|
{
|
|
Size kernelUnitLength = atts.GetSize(eLightingKernelUnitLength);
|
|
int32_t dx = ceil(kernelUnitLength.width);
|
|
int32_t dy = ceil(kernelUnitLength.height);
|
|
return aResultNeededRegion.Inflated(nsIntMargin(dy, dx, dy, dx));
|
|
}
|
|
|
|
default:
|
|
return nsIntRegion();
|
|
}
|
|
|
|
}
|
|
|
|
/* static */ void
|
|
FilterSupport::ComputeSourceNeededRegions(const FilterDescription& aFilter,
|
|
const nsIntRegion& aResultNeededRegion,
|
|
nsIntRegion& aSourceGraphicNeededRegion,
|
|
nsIntRegion& aFillPaintNeededRegion,
|
|
nsIntRegion& aStrokePaintNeededRegion)
|
|
{
|
|
const nsTArray<FilterPrimitiveDescription>& primitives = aFilter.mPrimitives;
|
|
nsTArray<nsIntRegion> primitiveNeededRegions;
|
|
primitiveNeededRegions.AppendElements(primitives.Length());
|
|
|
|
primitiveNeededRegions[primitives.Length() - 1] = aResultNeededRegion;
|
|
|
|
for (int32_t i = primitives.Length() - 1; i >= 0; --i) {
|
|
const FilterPrimitiveDescription& descr = primitives[i];
|
|
nsIntRegion neededRegion = primitiveNeededRegions[i];
|
|
neededRegion.And(neededRegion, descr.PrimitiveSubregion());
|
|
|
|
for (size_t j = 0; j < descr.NumberOfInputs(); j++) {
|
|
int32_t inputIndex = descr.InputPrimitiveIndex(j);
|
|
MOZ_ASSERT(inputIndex < i, "bad input index");
|
|
nsIntRegion* inputNeededRegion = const_cast<nsIntRegion*>(
|
|
&ElementForIndex(inputIndex, primitiveNeededRegions,
|
|
aSourceGraphicNeededRegion,
|
|
aFillPaintNeededRegion, aStrokePaintNeededRegion));
|
|
inputNeededRegion->Or(*inputNeededRegion,
|
|
SourceNeededRegionForPrimitive(descr, neededRegion, j));
|
|
}
|
|
}
|
|
|
|
// Clip original SourceGraphic to first filter region.
|
|
if (primitives.Length() > 0) {
|
|
const FilterPrimitiveDescription& firstDescr = primitives[0];
|
|
aSourceGraphicNeededRegion.And(aSourceGraphicNeededRegion,
|
|
firstDescr.FilterSpaceBounds());
|
|
}
|
|
}
|
|
|
|
// FilterPrimitiveDescription
|
|
|
|
FilterPrimitiveDescription::FilterPrimitiveDescription()
|
|
: mType(PrimitiveType::Empty)
|
|
, mOutputColorSpace(ColorSpace::SRGB)
|
|
, mIsTainted(false)
|
|
{
|
|
}
|
|
|
|
FilterPrimitiveDescription::FilterPrimitiveDescription(PrimitiveType aType)
|
|
: mType(aType)
|
|
, mOutputColorSpace(ColorSpace::SRGB)
|
|
, mIsTainted(false)
|
|
{
|
|
}
|
|
|
|
FilterPrimitiveDescription::FilterPrimitiveDescription(const FilterPrimitiveDescription& aOther)
|
|
: mType(aOther.mType)
|
|
, mAttributes(aOther.mAttributes)
|
|
, mInputPrimitives(aOther.mInputPrimitives)
|
|
, mFilterPrimitiveSubregion(aOther.mFilterPrimitiveSubregion)
|
|
, mFilterSpaceBounds(aOther.mFilterSpaceBounds)
|
|
, mInputColorSpaces(aOther.mInputColorSpaces)
|
|
, mOutputColorSpace(aOther.mOutputColorSpace)
|
|
, mIsTainted(aOther.mIsTainted)
|
|
{
|
|
}
|
|
|
|
FilterPrimitiveDescription&
|
|
FilterPrimitiveDescription::operator=(const FilterPrimitiveDescription& aOther)
|
|
{
|
|
if (this != &aOther) {
|
|
mType = aOther.mType;
|
|
mAttributes = aOther.mAttributes;
|
|
mInputPrimitives = aOther.mInputPrimitives;
|
|
mFilterPrimitiveSubregion = aOther.mFilterPrimitiveSubregion;
|
|
mFilterSpaceBounds = aOther.mFilterSpaceBounds;
|
|
mInputColorSpaces = aOther.mInputColorSpaces;
|
|
mOutputColorSpace = aOther.mOutputColorSpace;
|
|
mIsTainted = aOther.mIsTainted;
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
bool
|
|
FilterPrimitiveDescription::operator==(const FilterPrimitiveDescription& aOther) const
|
|
{
|
|
return mType == aOther.mType &&
|
|
mFilterPrimitiveSubregion.IsEqualInterior(aOther.mFilterPrimitiveSubregion) &&
|
|
mFilterSpaceBounds.IsEqualInterior(aOther.mFilterSpaceBounds) &&
|
|
mOutputColorSpace == aOther.mOutputColorSpace &&
|
|
mIsTainted == aOther.mIsTainted &&
|
|
mInputPrimitives == aOther.mInputPrimitives &&
|
|
mInputColorSpaces == aOther.mInputColorSpaces &&
|
|
mAttributes == aOther.mAttributes;
|
|
}
|
|
|
|
// FilterDescription
|
|
|
|
bool
|
|
FilterDescription::operator==(const FilterDescription& aOther) const
|
|
{
|
|
return mPrimitives == aOther.mPrimitives;
|
|
}
|
|
|
|
// AttributeMap
|
|
|
|
// A class that wraps different types for easy storage in a hashtable. Only
|
|
// used by AttributeMap.
|
|
struct FilterAttribute {
|
|
FilterAttribute(const FilterAttribute& aOther);
|
|
~FilterAttribute();
|
|
|
|
bool operator==(const FilterAttribute& aOther) const;
|
|
bool operator!=(const FilterAttribute& aOther) const
|
|
{
|
|
return !(*this == aOther);
|
|
}
|
|
|
|
AttributeType Type() const { return mType; }
|
|
|
|
#define MAKE_CONSTRUCTOR_AND_ACCESSOR_BASIC(type, typeLabel) \
|
|
explicit FilterAttribute(type aValue) \
|
|
: mType(AttributeType::e##typeLabel), m##typeLabel(aValue) \
|
|
{} \
|
|
type As##typeLabel() { \
|
|
MOZ_ASSERT(mType == AttributeType::e##typeLabel); \
|
|
return m##typeLabel; \
|
|
}
|
|
|
|
#define MAKE_CONSTRUCTOR_AND_ACCESSOR_CLASS(className) \
|
|
explicit FilterAttribute(const className& aValue) \
|
|
: mType(AttributeType::e##className), m##className(new className(aValue)) \
|
|
{} \
|
|
className As##className() { \
|
|
MOZ_ASSERT(mType == AttributeType::e##className); \
|
|
return *m##className; \
|
|
}
|
|
|
|
MAKE_CONSTRUCTOR_AND_ACCESSOR_BASIC(bool, Bool)
|
|
MAKE_CONSTRUCTOR_AND_ACCESSOR_BASIC(uint32_t, Uint)
|
|
MAKE_CONSTRUCTOR_AND_ACCESSOR_BASIC(float, Float)
|
|
MAKE_CONSTRUCTOR_AND_ACCESSOR_CLASS(Size)
|
|
MAKE_CONSTRUCTOR_AND_ACCESSOR_CLASS(IntSize)
|
|
MAKE_CONSTRUCTOR_AND_ACCESSOR_CLASS(IntPoint)
|
|
MAKE_CONSTRUCTOR_AND_ACCESSOR_CLASS(Matrix)
|
|
MAKE_CONSTRUCTOR_AND_ACCESSOR_CLASS(Matrix5x4)
|
|
MAKE_CONSTRUCTOR_AND_ACCESSOR_CLASS(Point3D)
|
|
MAKE_CONSTRUCTOR_AND_ACCESSOR_CLASS(Color)
|
|
MAKE_CONSTRUCTOR_AND_ACCESSOR_CLASS(AttributeMap)
|
|
|
|
#undef MAKE_CONSTRUCTOR_AND_ACCESSOR_BASIC
|
|
#undef MAKE_CONSTRUCTOR_AND_ACCESSOR_CLASS
|
|
|
|
FilterAttribute(const float* aValue, uint32_t aLength)
|
|
: mType(AttributeType::eFloats)
|
|
{
|
|
mFloats = new nsTArray<float>();
|
|
mFloats->AppendElements(aValue, aLength);
|
|
}
|
|
|
|
const nsTArray<float>& AsFloats() const {
|
|
MOZ_ASSERT(mType == AttributeType::eFloats);
|
|
return *mFloats;
|
|
}
|
|
|
|
private:
|
|
const AttributeType mType;
|
|
|
|
union {
|
|
bool mBool;
|
|
uint32_t mUint;
|
|
float mFloat;
|
|
Size* mSize;
|
|
IntSize* mIntSize;
|
|
IntPoint* mIntPoint;
|
|
Matrix* mMatrix;
|
|
Matrix5x4* mMatrix5x4;
|
|
Point3D* mPoint3D;
|
|
Color* mColor;
|
|
AttributeMap* mAttributeMap;
|
|
nsTArray<float>* mFloats;
|
|
};
|
|
};
|
|
|
|
FilterAttribute::FilterAttribute(const FilterAttribute& aOther)
|
|
: mType(aOther.mType)
|
|
{
|
|
switch (mType) {
|
|
case AttributeType::eBool:
|
|
mBool = aOther.mBool;
|
|
break;
|
|
case AttributeType::eUint:
|
|
mUint = aOther.mUint;
|
|
break;
|
|
case AttributeType::eFloat:
|
|
mFloat = aOther.mFloat;
|
|
break;
|
|
|
|
#define HANDLE_CLASS(className) \
|
|
case AttributeType::e##className: \
|
|
m##className = new className(*aOther.m##className); \
|
|
break;
|
|
|
|
HANDLE_CLASS(Size)
|
|
HANDLE_CLASS(IntSize)
|
|
HANDLE_CLASS(IntPoint)
|
|
HANDLE_CLASS(Matrix)
|
|
HANDLE_CLASS(Matrix5x4)
|
|
HANDLE_CLASS(Point3D)
|
|
HANDLE_CLASS(Color)
|
|
HANDLE_CLASS(AttributeMap)
|
|
|
|
#undef HANDLE_CLASS
|
|
|
|
case AttributeType::eFloats:
|
|
mFloats = new nsTArray<float>(*aOther.mFloats);
|
|
break;
|
|
case AttributeType::Max:
|
|
break;
|
|
}
|
|
}
|
|
|
|
FilterAttribute::~FilterAttribute() {
|
|
switch (mType) {
|
|
case AttributeType::Max:
|
|
case AttributeType::eBool:
|
|
case AttributeType::eUint:
|
|
case AttributeType::eFloat:
|
|
break;
|
|
|
|
#define HANDLE_CLASS(className) \
|
|
case AttributeType::e##className: \
|
|
delete m##className; \
|
|
break;
|
|
|
|
HANDLE_CLASS(Size)
|
|
HANDLE_CLASS(IntSize)
|
|
HANDLE_CLASS(IntPoint)
|
|
HANDLE_CLASS(Matrix)
|
|
HANDLE_CLASS(Matrix5x4)
|
|
HANDLE_CLASS(Point3D)
|
|
HANDLE_CLASS(Color)
|
|
HANDLE_CLASS(AttributeMap)
|
|
|
|
#undef HANDLE_CLASS
|
|
|
|
case AttributeType::eFloats:
|
|
delete mFloats;
|
|
break;
|
|
}
|
|
}
|
|
|
|
bool
|
|
FilterAttribute::operator==(const FilterAttribute& aOther) const
|
|
{
|
|
if (mType != aOther.mType) {
|
|
return false;
|
|
}
|
|
|
|
switch (mType) {
|
|
|
|
#define HANDLE_TYPE(typeName) \
|
|
case AttributeType::e##typeName: \
|
|
return m##typeName == aOther.m##typeName;
|
|
|
|
HANDLE_TYPE(Bool)
|
|
HANDLE_TYPE(Uint)
|
|
HANDLE_TYPE(Float)
|
|
HANDLE_TYPE(Size)
|
|
HANDLE_TYPE(IntSize)
|
|
HANDLE_TYPE(IntPoint)
|
|
HANDLE_TYPE(Matrix)
|
|
HANDLE_TYPE(Matrix5x4)
|
|
HANDLE_TYPE(Point3D)
|
|
HANDLE_TYPE(Color)
|
|
HANDLE_TYPE(AttributeMap)
|
|
HANDLE_TYPE(Floats)
|
|
|
|
#undef HANDLE_TYPE
|
|
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
typedef FilterAttribute Attribute;
|
|
|
|
AttributeMap::AttributeMap()
|
|
{
|
|
}
|
|
|
|
AttributeMap::~AttributeMap()
|
|
{
|
|
}
|
|
|
|
AttributeMap::AttributeMap(const AttributeMap& aOther)
|
|
{
|
|
for (auto iter = aOther.mMap.Iter(); !iter.Done(); iter.Next()) {
|
|
const uint32_t& attributeName = iter.Key();
|
|
Attribute* attribute = iter.UserData();
|
|
mMap.Put(attributeName, new Attribute(*attribute));
|
|
}
|
|
}
|
|
|
|
AttributeMap&
|
|
AttributeMap::operator=(const AttributeMap& aOther)
|
|
{
|
|
if (this != &aOther) {
|
|
mMap.Clear();
|
|
for (auto iter = aOther.mMap.Iter(); !iter.Done(); iter.Next()) {
|
|
const uint32_t& attributeName = iter.Key();
|
|
Attribute* attribute = iter.UserData();
|
|
mMap.Put(attributeName, new Attribute(*attribute));
|
|
}
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
bool
|
|
AttributeMap::operator==(const AttributeMap& aOther) const
|
|
{
|
|
if (mMap.Count() != aOther.mMap.Count()) {
|
|
return false;
|
|
}
|
|
|
|
for (auto iter = aOther.mMap.Iter(); !iter.Done(); iter.Next()) {
|
|
const uint32_t& attributeName = iter.Key();
|
|
Attribute* attribute = iter.UserData();
|
|
Attribute* matchingAttribute = mMap.Get(attributeName);
|
|
if (!matchingAttribute || *matchingAttribute != *attribute) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
uint32_t
|
|
AttributeMap::Count() const
|
|
{
|
|
return mMap.Count();
|
|
}
|
|
|
|
nsClassHashtable<nsUint32HashKey, FilterAttribute>::Iterator
|
|
AttributeMap::ConstIter() const
|
|
{
|
|
return mMap.ConstIter();
|
|
}
|
|
|
|
/* static */ AttributeType
|
|
AttributeMap::GetType(FilterAttribute* aAttribute)
|
|
{
|
|
return aAttribute->Type();
|
|
}
|
|
|
|
#define MAKE_ATTRIBUTE_HANDLERS_BASIC(type, typeLabel, defaultValue) \
|
|
type \
|
|
AttributeMap::Get##typeLabel(AttributeName aName) const { \
|
|
Attribute* value = mMap.Get(aName); \
|
|
return value ? value->As##typeLabel() : defaultValue; \
|
|
} \
|
|
void \
|
|
AttributeMap::Set(AttributeName aName, type aValue) { \
|
|
mMap.Remove(aName); \
|
|
mMap.Put(aName, new Attribute(aValue)); \
|
|
}
|
|
|
|
#define MAKE_ATTRIBUTE_HANDLERS_CLASS(className) \
|
|
className \
|
|
AttributeMap::Get##className(AttributeName aName) const { \
|
|
Attribute* value = mMap.Get(aName); \
|
|
return value ? value->As##className() : className(); \
|
|
} \
|
|
void \
|
|
AttributeMap::Set(AttributeName aName, const className& aValue) { \
|
|
mMap.Remove(aName); \
|
|
mMap.Put(aName, new Attribute(aValue)); \
|
|
}
|
|
|
|
MAKE_ATTRIBUTE_HANDLERS_BASIC(bool, Bool, false)
|
|
MAKE_ATTRIBUTE_HANDLERS_BASIC(uint32_t, Uint, 0)
|
|
MAKE_ATTRIBUTE_HANDLERS_BASIC(float, Float, 0)
|
|
MAKE_ATTRIBUTE_HANDLERS_CLASS(Size)
|
|
MAKE_ATTRIBUTE_HANDLERS_CLASS(IntSize)
|
|
MAKE_ATTRIBUTE_HANDLERS_CLASS(IntPoint)
|
|
MAKE_ATTRIBUTE_HANDLERS_CLASS(Matrix)
|
|
MAKE_ATTRIBUTE_HANDLERS_CLASS(Matrix5x4)
|
|
MAKE_ATTRIBUTE_HANDLERS_CLASS(Point3D)
|
|
MAKE_ATTRIBUTE_HANDLERS_CLASS(Color)
|
|
MAKE_ATTRIBUTE_HANDLERS_CLASS(AttributeMap)
|
|
|
|
#undef MAKE_ATTRIBUTE_HANDLERS_BASIC
|
|
#undef MAKE_ATTRIBUTE_HANDLERS_CLASS
|
|
|
|
const nsTArray<float>&
|
|
AttributeMap::GetFloats(AttributeName aName) const
|
|
{
|
|
Attribute* value = mMap.Get(aName);
|
|
if (!value) {
|
|
value = new Attribute(nullptr, 0);
|
|
mMap.Put(aName, value);
|
|
}
|
|
return value->AsFloats();
|
|
}
|
|
|
|
void
|
|
AttributeMap::Set(AttributeName aName, const float* aValues, int32_t aLength)
|
|
{
|
|
mMap.Remove(aName);
|
|
mMap.Put(aName, new Attribute(aValues, aLength));
|
|
}
|
|
|
|
} // namespace gfx
|
|
} // namespace mozilla
|