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Add Graphics 0 Converter

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Peter Dell 2024-07-27 14:18:39 +03:00
parent 0a2e9d5149
commit 9ffaf1b1fd
1 changed files with 81 additions and 0 deletions
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com.wudsn.ide.gfx/src/com/wudsn/ide/gfx/converter/atari8bit/CharMapGraphics0Converter.java Normal file
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/**
* Copyright (C) 2009 - 2021 <a href="https://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 com.wudsn.ide.gfx.converter.FilesConverterData;
import com.wudsn.ide.gfx.converter.generic.CharMapConverter;
/** Same as CharMapHiresConverter, but bit 7 of the char map means inverse **/
public class CharMapGraphics0Converter extends CharMapConverter {
public CharMapGraphics0Converter() {
}
@Override
public void convertToImageDataSize(FilesConverterData data) {
data.setImageDataWidth(data.getParameters().getColumns() * (8 + data.getParameters().getSpacingWidth()));
data.setImageDataHeight(data.getParameters().getRows() * (8 + data.getParameters().getSpacingWidth()));
}
@Override
public boolean convertToImageData(FilesConverterData data) {
if (data == null) {
throw new IllegalArgumentException("Parameter 'data' must not be null.");
}
int offset = 0;
int xpixels = 8 + data.getParameters().getSpacingWidth();
int ypixels = 8 + data.getParameters().getSpacingWidth();
for (int y1 = 0; y1 < data.getParameters().getRows(); y1++) {
for (int x1 = 0; x1 < data.getParameters().getColumns(); x1++) {
int c = data.getSourceFileByte(CHAR_MAP_FILE, offset++);
if (c < 0) {
return true;
}
boolean inverse = false;
if (c >= 128) {
c = c & 127;
inverse = true;
}
int charset_offset = c * 8;
for (int y2 = 0; y2 < 8; y2++) {
int b = data.getSourceFileByte(CHAR_SET_FILE, charset_offset++);
if (b < 0) {
return true;
}
if (inverse) {
b = ~b;
}
int y = y1 * ypixels + y2;
for (int x2 = 0; x2 < 8; x2++) {
int x = x1 * xpixels + x2;
int color = (b & mask_1bit[x2]) >>> shift_1bit[x2];
data.setPalettePixel(x, y, color);
}
}
}
}
return false;
}
}