mirror of
https://github.com/peterdell/wudsn-ide.git
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123 lines
3.6 KiB
Java
123 lines
3.6 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 org.eclipse.swt.graphics.RGB;
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import com.wudsn.ide.gfx.converter.FilesConverterData;
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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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import com.wudsn.ide.gfx.model.PaletteType;
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import com.wudsn.ide.gfx.model.PaletteUtility;
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public class LinearBitMapCPRConverter extends LinearBitMapConverter {
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public LinearBitMapCPRConverter() {
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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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if (bytes.length < 3) {
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return false;
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}
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byte[] unpackedImage = new byte[7684];
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boolean result = Atari8BitUtility.unpackKoala(bytes, 1, bytes.length - 1,
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bytes[0] & 0xff, unpackedImage);
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return result;
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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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byte[] unpackedImage = new byte[7684];
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boolean result = Atari8BitUtility.unpackKoala(bytes, 1, bytes.length - 1,
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bytes[0] & 0xff, unpackedImage);
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if (!result) {
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return;
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}
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RGB[] paletteColors;
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paletteColors = PaletteUtility.getPaletteColors(
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PaletteType.ATARI_DEFAULT, Palette.HIRES_1, null);
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setImageSizeAndPalette(data, 40, 192, Palette.HIRES_1, paletteColors);
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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() * 8);
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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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byte[] bytes = data.getSourceFileBytes(BIT_MAP_FILE);
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if (bytes == null || bytes.length < 3) {
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return false;
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}
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byte[] unpackedImage = new byte[7680];
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boolean result = Atari8BitUtility.unpackKoala(bytes, 1, bytes.length - 1,
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bytes[0] & 0xff, unpackedImage);
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if (!result) {
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return false;
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}
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int offset = 0;
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int xpixels = 8;
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for (int y1 = 0; y1 < data.getParameters().getRows(); y1++) {
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for (int x1 = 0; x1 < data.getParameters().getColumns(); x1++) {
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if (offset >= unpackedImage.length) {
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return true;
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}
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int b = unpackedImage[offset++] & 0xff;
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for (int x2 = 0; x2 < 8; x2++) {
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int x = x1 * xpixels + x2;
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int color = (b & mask_1bit[x2]) >>> shift_1bit[x2];
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data.setPalettePixel(x, y1, color);
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}
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}
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}
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return true;
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}
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}
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