wudsn-ide/com.wudsn.ide.gfx/src/com/wudsn/ide/gfx/converter/atari8bit/LinearBitMapHR2Converter.java
2018-12-30 16:29:54 +01:00

123 lines
3.9 KiB
Java

/**
* Copyright (C) 2009 - 2014 <a href="http://www.wudsn.com" target="_top">Peter Dell</a>
*
* This file is part of WUDSN IDE.
*
* WUDSN IDE is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* WUDSN IDE is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with WUDSN IDE. If not, see <http://www.gnu.org/licenses/>.
*/
package com.wudsn.ide.gfx.converter.atari8bit;
import org.eclipse.swt.graphics.RGB;
import com.wudsn.ide.gfx.converter.FilesConverterData;
import com.wudsn.ide.gfx.converter.PaletteMapper;
import com.wudsn.ide.gfx.converter.generic.LinearBitMapConverter;
import com.wudsn.ide.gfx.model.Palette;
import com.wudsn.ide.gfx.model.RBGUtility;
public class LinearBitMapHR2Converter extends LinearBitMapConverter {
public LinearBitMapHR2Converter() {
}
@Override
public boolean canConvertToImage(byte[] bytes) {
if (bytes == null) {
throw new IllegalArgumentException(
"Parameter 'bytes' must not be null.");
}
return bytes.length == 16006;
}
@Override
public void convertToImageSizeAndPalette(FilesConverterData data,
byte[] bytes) {
if (data == null) {
throw new IllegalArgumentException(
"Parameter 'data' must not be null.");
}
if (bytes == null) {
throw new IllegalArgumentException(
"Parameter 'bytes' must not be null.");
}
PaletteMapper paletteMapper=new Atari8BitPaletteMapper();
RGB[] paletteColors = new RGB[8];
RGB[] palette1Colors = new RGB[2];
RGB[] palette2Colors = new RGB[4];
palette1Colors[0] = paletteMapper.getRGB(bytes[16000] & 0xfe);
palette1Colors[1] = paletteMapper.getRGB(bytes[16001] & 0xfe);
palette2Colors[0] = paletteMapper.getRGB(bytes[16002] & 0xfe);
palette2Colors[1] = paletteMapper.getRGB(bytes[16003] & 0xfe);
palette2Colors[2] = paletteMapper.getRGB(bytes[16004] & 0xfe);
palette2Colors[3] = paletteMapper.getRGB(bytes[16005] & 0xfe);
// Compute mixed interlace colors.
for (int x1 = 0; x1 < palette1Colors.length; x1++) {
for (int x2 = 0; x2 < palette2Colors.length; x2++) {
paletteColors[x1 * palette2Colors.length + x2] = RBGUtility
.combineRGB(palette1Colors[x1], palette2Colors[x2]);
}
}
setImageSizeAndPalette(data, 40, 200, Palette.MULTI_MANUAL,
paletteColors);
}
@Override
public void convertToImageDataSize(FilesConverterData data) {
data.setImageDataWidth(data.getParameters().getColumns() * 8);
data.setImageDataHeight(data.getParameters().getRows());
}
@Override
public boolean convertToImageData(FilesConverterData data) {
if (data == null) {
throw new IllegalArgumentException(
"Parameter 'data' must not be null.");
}
int offset = 0;
int xpixels = 8;
int frameSize = 8000;
for (int y1 = 0; y1 < data.getParameters().getRows(); y1++) {
for (int x1 = 0; x1 < data.getParameters().getColumns(); x1++) {
int b1 = data.getSourceFileByte(BIT_MAP_FILE, offset);
if (b1 < 0) {
return true;
}
int b2 = data.getSourceFileByte(BIT_MAP_FILE, offset
+ frameSize);
if (b2 < 0) {
return true;
}
offset++;
for (int x2 = 0; x2 < 8; x2++) {
int x = x1 * xpixels + x2;
// Graphics 8
int color1 = (b1 & mask_1bit[x2]) >>> shift_1bit[x2];
// Graphics 15, half resolution
int color2 = (b2 & mask_2bit[x2 >>> 1]) >>> shift_2bit[x2 >>> 1];
data.setPalettePixel(x, y1, (color1 << 2) + color2);
}
}
}
return true;
}
}