mirror of
https://github.com/peterdell/wudsn-ide.git
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106 lines
3.2 KiB
Java
106 lines
3.2 KiB
Java
/**
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* Copyright (C) 2009 - 2014 <a href="http://www.wudsn.com" target="_top">Peter Dell</a>
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*
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* This file is part of WUDSN IDE.
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*
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* WUDSN IDE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* WUDSN IDE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with WUDSN IDE. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.wudsn.ide.gfx.converter.atari8bit;
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import com.wudsn.ide.gfx.converter.FilesConverterData;
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import com.wudsn.ide.gfx.converter.PaletteMapper;
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import com.wudsn.ide.gfx.converter.generic.LinearBitMapConverter;
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import com.wudsn.ide.gfx.model.Palette;
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public class LinearBitMapAPCConverter extends LinearBitMapConverter {
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public LinearBitMapAPCConverter() {
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}
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@Override
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public boolean canConvertToImage(byte[] bytes) {
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if (bytes == null) {
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throw new IllegalArgumentException(
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"Parameter 'bytes' must not be null.");
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}
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// 7680 bytes of bitmap, optionally 40 bytes of text in ATASCII screen
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// code
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return bytes.length == 7680 || bytes.length == 7680 + 40;
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}
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@Override
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public void convertToImageSizeAndPalette(FilesConverterData data,
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byte[] bytes) {
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if (data == null) {
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throw new IllegalArgumentException(
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"Parameter 'data' must not be null.");
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}
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if (bytes == null) {
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throw new IllegalArgumentException(
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"Parameter 'bytes' must not be null.");
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}
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setImageSizeAndPalette(data, 40, 96, Palette.TRUE_COLOR, null);
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}
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@Override
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public void convertToImageDataSize(FilesConverterData data) {
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data.setImageDataWidth(data.getParameters().getColumns() * 2);
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data.setImageDataHeight(data.getParameters().getRows());
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}
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@Override
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public boolean convertToImageData(FilesConverterData data) {
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if (data == null) {
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throw new IllegalArgumentException(
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"Parameter 'data' must not be null.");
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}
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int columns = data.getParameters().getColumns();
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int offset1 = 0;
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int offset2 = columns;
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int xpixels = 2;
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PaletteMapper paletteMapper = new Atari8BitPaletteMapper();
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for (int y1 = 0; y1 < data.getParameters().getRows(); y1 = y1 + 1) {
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for (int x1 = 0; x1 < columns; x1++) {
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int c = data.getSourceFileByte(BIT_MAP_FILE, offset1++);
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if (c < 0) {
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return true;
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}
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int b = data.getSourceFileByte(BIT_MAP_FILE, offset2++);
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if (b < 0) {
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return true;
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}
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for (int x2 = 0; x2 < 2; x2++) {
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int x = x1 * xpixels + x2;
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int color = (c & mask_4bit[x2]) >>> shift_4bit[x2];
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int brightness = (b & mask_4bit[x2]) >>> shift_4bit[x2];
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int atariColor = color << 4 | brightness;
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int directColor = paletteMapper.getRGBColor(atariColor);
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data.setDirectPixel(x, y1, directColor);
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}
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}
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offset1 = offset1 + columns;
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offset2 = offset2 + columns;
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}
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return true;
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}
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}
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