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engines/sword25/gfx/image/swimage.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/*
+ * This code is based on Broken Sword 2.5 engine
+ *
+ * Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdoerfer
+ *
+ * Licensed under GNU GPL v2
+ *
+ */
+
+#include "sword25/package/packagemanager.h"
+#include "sword25/gfx/image/imgloader.h"
+#include "sword25/gfx/image/swimage.h"
+
+namespace Sword25 {
+
+SWImage::SWImage(const Common::String &filename, bool &result) : _image() {
+	result = false;
+
+	PackageManager *pPackage = Kernel::getInstance()->getPackage();
+	assert(pPackage);
+
+	// Load file
+	byte *pFileData;
+	uint fileSize;
+	pFileData = pPackage->getFile(filename, &fileSize);
+	if (!pFileData) {
+		error("File \"%s\" could not be loaded.", filename.c_str());
+		return;
+	}
+
+	// Uncompress the image
+	if (!ImgLoader::decodePNGImage(pFileData, fileSize, &_image)) {
+		error("Could not decode image.");
+		return;
+	}
+
+	// Cleanup FileData
+	delete[] pFileData;
+
+	result = true;
+	return;
+}
+
+SWImage::~SWImage() {
+	_image.free();
+}
+
+
+bool SWImage::blit(int posX, int posY,
+					  int flipping,
+					  Common::Rect *pPartRect,
+					  uint color,
+					  int width, int height,
+					  RectangleList *updateRects) {
+	error("Blit() is not supported.");
+	return false;
+}
+
+bool SWImage::fill(const Common::Rect *pFillRect, uint color) {
+	error("Fill() is not supported.");
+	return false;
+}
+
+bool SWImage::setContent(const byte *pixeldata, uint size, uint offset, uint stride) {
+	error("SetContent() is not supported.");
+	return false;
+}
+
+uint SWImage::getPixel(int x, int y) {
+	assert(x >= 0 && x < _image.w);
+	assert(y >= 0 && y < _image.h);
+
+	byte a, r, g, b;
+	_image.format.colorToARGB(_image.getPixel(x, y), a, r, g, b);
+
+	return BS_ARGB(a, r, g, b);
+}
+
+} // End of namespace Sword25