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Added some rudimentary bitmap creation code. Got a test pattern generated by the plugin to display in the app. (Most of the time required for this was spent figuring out how bitmaps are handled in WPF.)
89 lines
2.7 KiB
C#
89 lines
2.7 KiB
C#
/*
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* Copyright 2019 faddenSoft
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Text;
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namespace PluginCommon {
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/// <summary>
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/// Bitmap with 8-bit palette indices, for use with plugin visualizers.
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/// </summary>
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[Serializable]
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public class VisBitmap8 : IVisualization2d {
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public const int MAX_DIMENSION = 4096;
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public int Width { get; private set; }
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public int Height { get; private set; }
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private byte[] mData;
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private int[] mPalette;
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private int mNextColor;
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public VisBitmap8(int width, int height) {
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Debug.Assert(width > 0 && width <= MAX_DIMENSION);
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Debug.Assert(height > 0 && height <= MAX_DIMENSION);
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Width = width;
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Height = height;
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mData = new byte[width * height];
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mPalette = new int[256];
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mNextColor = 0;
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}
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// IVisualization2d
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public int GetPixel(int x, int y) {
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byte pix = mData[x + y * Width];
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return mPalette[pix];
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}
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public void SetPixelIndex(int x, int y, byte colorIndex) {
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if (x < 0 || x >= Width || y < 0 || y >= Width) {
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throw new ArgumentException("Bad x/y: " + x + "," + y + " (width=" + Width +
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" height=" + Height + ")");
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}
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if (colorIndex < 0 || colorIndex >= mNextColor) {
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throw new ArgumentException("Bad color: " + colorIndex + " (nextCol=" +
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mNextColor + ")");
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}
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mData[x + y * Width] = colorIndex;
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}
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// IVisualization2d
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public byte[] GetPixels() {
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return mData;
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}
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// IVisualization2d
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public int[] GetPalette() {
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int[] pal = new int[mNextColor];
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for (int i = 0; i < mNextColor; i++) {
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pal[i] = mPalette[i];
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}
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return pal;
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}
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public void AddColor(int color) {
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if (mNextColor == 256) {
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Debug.WriteLine("Palette is full");
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return;
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}
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mPalette[mNextColor++] = color;
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}
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}
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}
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