/* This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */#include "gimpbrushcreator.h"#include <QImage>#include <QString>#include <QFile>#include <kdebug.h>extern "C"{ KDE_EXPORT ThumbCreator *new_creator() { return new GimpBrushCreator; }}GimpBrushCreator::GimpBrushCreator(){}bool GimpBrushCreator::create(const QString &path, int width, int height, QImage &img){ Q_UNUSED(width) Q_UNUSED(height) QFile file(path); file.open(QIODevice::ReadOnly); quint32 headerSize; quint32 version; quint32 w; quint32 h; quint32 colorDepth; quint32 magic; quint32 spacing; QString brushName; QDataStream in(&file); in >> headerSize >> version >> w >> h >> colorDepth >> magic >> spacing; if ((magic != 0x47494D50)) { kDebug() << "No GBR file!"; file.close(); return false; } if (version != 2) { kDebug() << "Unknown GBR version!"; file.close(); return false; } // read the brush name unsigned int nameLength = headerSize - 28; char* brushName_c = new char[nameLength]; in.readRawData(brushName_c, nameLength); brushName = QString(brushName_c); kDebug() << "GBR brush name: " << brushName; // read the image data unsigned int dataLength = w * h * colorDepth; char* data = new char[dataLength]; in.readRawData(data, dataLength); // close file file.close(); // generate thumbnail bool success = true; QImage::Format imageFormat; if (colorDepth == 1) { imageFormat = QImage::Format_RGB32; } else { imageFormat = QImage::Format_ARGB32; } QImage thumbnail(w, h, imageFormat); quint32 k = headerSize; if (colorDepth == 1 && data) { // Grayscale for (quint32 y = 0; y < h; y++) { for (quint32 x = 0; x < w; x++, k++) { qint32 val = 255 - static_cast<uchar> (data[k]); thumbnail.setPixel(x, y, qRgb(val, val, val)); } } } else if (colorDepth == 4 && data) { // RGBA for (quint32 y = 0; y < h; y++) { for (quint32 x = 0; x < w; x++, k += 4) { thumbnail.setPixel(x, y, qRgba(data[k], data[k + 1], data[k + 2], data[k + 3])); } } } else { success = false; } if (!success || !thumbnail.save(QString("thumbnail.png"))) { kDebug() << "Failed generating GBR thumbnail..."; success = false; } else { // load image data into reference img = thumbnail; }// // debugging// kDebug() << "headerSize" << m_headerSize;// kDebug() << "version" << m_version;// kDebug() << "width" << m_width;// kDebug() << "height" << m_height;// kqDebug() << "colorDepth" << m_colorDepth;// kDebug() << "spacing" << m_spacing;// kDebug() << "brushName" << m_brushName;// kDebug() << "image data" << (data ? "yes" : "no"); // cleanup delete[] brushName_c; delete[] data; return success;}ThumbCreator::Flags GimpBrushCreator::flags() const{ return None;}