continue implementing new graphics engine

* implement OpenGL ES 1.1 and OpenGL ES 2.0 support
* new framebuffer that can run on any opengl implementation
* fixes in outfit size rendering

src/framework/graphics/image.cpp

@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+
+#include "image.h"
+
+#include <framework/core/resourcemanager.h>
+#include <framework/thirdparty/apngloader.h>
+
+Image::Image(const Size& size, int bpp, uint8 *pixels)
+{
+    m_size = size;
+    m_bpp = bpp;
+    m_pixels.resize(size.area() * bpp);
+    memcpy(&m_pixels[0], pixels, m_pixels.size());
+}
+
+ImagePtr Image::load(const std::string& file)
+{
+    ImagePtr image;
+    try {
+        // currently only png images are supported
+        if(!boost::ends_with(file, ".png"))
+            Fw::throwException("image file format no supported");
+
+        // load image file data
+        image = loadPNG(file);
+    } catch(Exception& e) {
+        logError("unable to load image '", file, "': ", e.what());
+    }
+    return image;
+}
+
+ImagePtr Image::loadPNG(const std::string& file)
+{
+    std::stringstream fin;
+    g_resources.loadFile(file, fin);
+    ImagePtr image;
+    apng_data apng;
+    if(load_apng(fin, &apng) == 0) {
+        image = ImagePtr(new Image(Size(apng.width, apng.height), apng.bpp, apng.pdata));
+        free_apng(&apng);
+    }
+    return image;
+}