279 lines
9.3 KiB
C++
279 lines
9.3 KiB
C++
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#include "paletteparser.h"
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#include "log.h"
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#include <QFileInfo>
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#include <QRegularExpression>
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PaletteParser::PaletteParser()
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{
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}
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QList<QRgb> PaletteParser::parse(QString filepath, bool *error) {
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QFileInfo info(filepath);
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QString extension = info.completeSuffix();
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if (extension.isNull()) {
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logError(QString("Failed to parse palette file '%1' because it has an unrecognized extension '%2'").arg(filepath).arg(extension));
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*error = true;
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return QList<QRgb>();
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}
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extension = extension.toLower();
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if (extension == "pal") {
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return parsePal(filepath, error);
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} else if (extension == "act") {
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return parseAdobeColorTable(filepath, error);
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} else if (extension == "tpl") {
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return parseTileLayerPro(filepath, error);
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} else if (extension == "gpl") {
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return parseAdvancePaletteEditor(filepath, error);
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} else {
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logError(QString("Unsupported palette file. Supported formats are: .pal"));
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*error = true;
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}
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return QList<QRgb>();
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}
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QList<QRgb> PaletteParser::parsePal(QString filepath, bool *error) {
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QFile file(filepath);
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if (!file.open(QIODevice::ReadOnly)) {
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*error = true;
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logError(QString("Could not open palette file '%1': ").arg(filepath) + file.errorString());
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return QList<QRgb>();
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}
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QTextStream in(&file);
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QString firstLine = in.readLine();
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if (firstLine == "JASC-PAL") {
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file.close();
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return parseJASC(filepath, error);
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} else {
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file.close();
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return parseAdvanceMapPal(filepath, error);
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}
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}
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QList<QRgb> PaletteParser::parseJASC(QString filepath, bool *error) {
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QFile file(filepath);
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if (!file.open(QIODevice::ReadOnly)) {
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*error = true;
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logError(QString("Could not open JASC palette file '%1': ").arg(filepath) + file.errorString());
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return QList<QRgb>();
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}
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QTextStream in(&file);
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if (in.readLine() != "JASC-PAL") {
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*error = true;
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logError(QString("JASC palette file '%1' had an unexpected format. First line must be 'JASC-PAL'.").arg(filepath));
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file.close();
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return QList<QRgb>();
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}
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if (in.readLine() != "0100") {
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*error = true;
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logError(QString("JASC palette file '%1' had an unexpected format. Second line must be '0100'.").arg(filepath));
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file.close();
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return QList<QRgb>();
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}
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QString numColorsStr = in.readLine();
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bool numOk;
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int numColors = numColorsStr.toInt(&numOk);
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if (!numOk) {
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*error = true;
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logError(QString("JASC palette file '%1' had an unexpected format. Third line must be the number of colors.").arg(filepath));
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return QList<QRgb>();
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}
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QList<QRgb> palette;
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QRegularExpression re("(?<red>\\d+)\\s(?<green>\\d+)\\s(?<blue>\\d+)");
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while (!in.atEnd() && numColors > 0) {
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numColors--;
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QString line = in.readLine();
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QRegularExpressionMatch match = re.match(line);
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if (match.hasMatch()) {
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QString redStr = match.captured("red");
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QString greenStr = match.captured("green");
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QString blueStr = match.captured("blue");
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bool redOk, greenOk, blueOk;
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int red = redStr.toInt(&redOk);
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int green = greenStr.toInt(&greenOk);
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int blue = blueStr.toInt(&blueOk);
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if (!redOk || !greenOk || !blueOk) {
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*error = true;
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logError(QString("JASC palette file '%1' had an unexpected format. Invalid color '%2'.").arg(filepath).arg(line));
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return QList<QRgb>();
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}
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palette.append(qRgb(this->clampColorValue(red),
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this->clampColorValue(green),
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this->clampColorValue(blue)));
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} else {
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*error = true;
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logError(QString("JASC palette file '%1' had an unexpected format. Invalid color '%2'.").arg(filepath).arg(line));
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file.close();
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return QList<QRgb>();
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}
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}
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file.close();
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return palette;
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}
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QList<QRgb> PaletteParser::parseAdvanceMapPal(QString filepath, bool *error) {
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QFile file(filepath);
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if (!file.open(QIODevice::ReadOnly)) {
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*error = true;
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logError(QString("Could not open Advance Map palette file '%1': ").arg(filepath) + file.errorString());
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return QList<QRgb>();
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}
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QByteArray in = file.readAll();
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file.close();
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if (in.length() % 4 != 0) {
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*error = true;
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logError(QString("Advance Map palette file '%1' had an unexpected format. File's length must be a multiple of 4, but the length is %2.").arg(filepath).arg(in.length()));
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return QList<QRgb>();
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}
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QList<QRgb> palette;
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int i = 0;
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while (i < in.length()) {
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unsigned char blue = static_cast<unsigned char>(in.at(i));
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unsigned char green = static_cast<unsigned char>(in.at(i + 1));
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unsigned char red = static_cast<unsigned char>(in.at(i + 2));
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palette.append(qRgb(this->clampColorValue(red),
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this->clampColorValue(green),
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this->clampColorValue(blue)));
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i += 4;
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}
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return palette;
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}
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QList<QRgb> PaletteParser::parseAdobeColorTable(QString filepath, bool *error) {
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QFile file(filepath);
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if (!file.open(QIODevice::ReadOnly)) {
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*error = true;
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logError(QString("Could not open Adobe Color Table palette file '%1': ").arg(filepath) + file.errorString());
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return QList<QRgb>();
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}
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QByteArray in = file.readAll();
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file.close();
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if (in.length() != 0x300) {
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*error = true;
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logError(QString("Adobe Color Table palette file '%1' had an unexpected format. File's length must be exactly 768, but the length is %2.").arg(filepath).arg(in.length()));
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return QList<QRgb>();
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}
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QList<QRgb> palette;
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int i = 0;
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while (i < in.length()) {
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unsigned char red = static_cast<unsigned char>(in.at(i));
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unsigned char green = static_cast<unsigned char>(in.at(i + 1));
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unsigned char blue = static_cast<unsigned char>(in.at(i + 2));
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palette.append(qRgb(this->clampColorValue(red),
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this->clampColorValue(green),
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this->clampColorValue(blue)));
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i += 3;
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}
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return palette;
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}
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QList<QRgb> PaletteParser::parseTileLayerPro(QString filepath, bool *error) {
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QFile file(filepath);
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if (!file.open(QIODevice::ReadOnly)) {
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*error = true;
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logError(QString("Could not open Tile Layer Pro palette file '%1': ").arg(filepath) + file.errorString());
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return QList<QRgb>();
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}
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QByteArray in = file.readAll();
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file.close();
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if (in.length() < 4 || in.at(0) != 'T' || in.at(1) != 'L' || in.at(2) != 'P' || in.at(3) != 0) {
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*error = true;
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logError(QString("Tile Layer Pro palette file '%1' had an unexpected format. The TLP header is missing.").arg(filepath).arg(in.length()));
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return QList<QRgb>();
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}
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if (in.length() != 0x304) {
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*error = true;
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logError(QString("Tile Layer Pro palette file '%1' had an unexpected format. File's length must be exactly 772, but the length is %2.").arg(filepath).arg(in.length()));
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return QList<QRgb>();
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}
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QList<QRgb> palette;
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int i = 4;
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while (i < in.length()) {
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unsigned char red = static_cast<unsigned char>(in.at(i));
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unsigned char green = static_cast<unsigned char>(in.at(i + 1));
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unsigned char blue = static_cast<unsigned char>(in.at(i + 2));
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palette.append(qRgb(this->clampColorValue(red),
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this->clampColorValue(green),
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this->clampColorValue(blue)));
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i += 3;
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}
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return palette;
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}
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QList<QRgb> PaletteParser::parseAdvancePaletteEditor(QString filepath, bool *error) {
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QFile file(filepath);
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if (!file.open(QIODevice::ReadOnly)) {
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*error = true;
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logError(QString("Could not open GPL palette file '%1': ").arg(filepath) + file.errorString());
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return QList<QRgb>();
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}
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QTextStream in(&file);
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if (in.readLine() != "[APE Palette]") {
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*error = true;
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logError(QString("GPL palette file '%1' had an unexpected format. First line must be '[APE Palette]'.").arg(filepath));
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file.close();
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return QList<QRgb>();
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}
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QList<QRgb> palette;
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while (!in.atEnd()) {
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QString line = in.readLine().trimmed();
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if (line.isEmpty()) {
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continue;
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}
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bool ok;
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unsigned int raw = line.toUInt(&ok);
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if (!ok) {
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*error = true;
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logError(QString("GPL palette file '%1' had an unexpected format. Invalid color '%2'.").arg(filepath).arg(line));
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file.close();
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return QList<QRgb>();
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}
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raw = ((raw & 0xFF)<< 8) | ((raw >> 8) & 0xFF);
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int red = (raw & 0x1F) * 8;
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int green = ((raw >> 5) & 0x1F) * 8;
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int blue = ((raw >> 10) & 0x1F) * 8;
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palette.append(qRgb(this->clampColorValue(red),
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this->clampColorValue(green),
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this->clampColorValue(blue)));
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}
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file.close();
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return palette;
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}
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int PaletteParser::clampColorValue(int value) {
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if (value < 0) {
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value = 0;
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}
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if (value > 255) {
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value = 255;
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}
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return value;
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}
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