WebP support for radiant and q3map2.

[xonotic/netradiant.git] / plugins / imagewebp / plugin.cpp

diff --git a/plugins/imagewebp/plugin.cpp b/plugins/imagewebp/plugin.cpp
new file mode 100644 (file)
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+++ b/plugins/imagewebp/plugin.cpp
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+/*
+   Copyright (C) 1999-2006 Id Software, Inc. and contributors.
+   For a list of contributors, see the accompanying CONTRIBUTORS file.
+
+   This file is part of NetRadiant.
+
+   NetRadiant 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.
+
+   NetRadiant 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 NetRadiant; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include "plugin.h"
+#include "debugging/debugging.h"
+#include "ifilesystem.h"
+#include "iimage.h"
+
+#include "imagelib.h"
+
+// ====== WEBP loader functionality ======
+
+#include "webp/decode.h"
+
+Image* LoadWEBPBuff( unsigned char* buffer, size_t buffer_length ){
+       int image_width;
+       int image_height;
+
+       if ( !WebPGetInfo( (byte *) buffer, buffer_length, &image_width, &image_height) ){
+               globalErrorStream() << "libwebp error: WebPGetInfo: can't get image info\n";
+               return 0;
+       }
+           
+       // allocate the pixel buffer
+       RGBAImage* image = new RGBAImage( image_width, image_height );
+       int out_stride = image_width  *sizeof(RGBAPixel);
+       int out_size =  image_height * out_stride;
+       
+        if ( !WebPDecodeRGBAInto( (byte *) buffer, buffer_length, image->getRGBAPixels(), out_size, out_stride ) )
+        {
+                return 0;
+        }
+
+       return image;
+}
+
+Image* LoadWEBP( ArchiveFile& file ){
+       ScopedArchiveBuffer buffer( file );
+       return LoadWEBPBuff( buffer.buffer, buffer.length );
+}
+
+
+#include "modulesystem/singletonmodule.h"
+
+
+class ImageDependencies : public GlobalFileSystemModuleRef
+{
+};
+
+class ImageWEBPAPI
+{
+_QERPlugImageTable m_imagewebp;
+public:
+typedef _QERPlugImageTable Type;
+STRING_CONSTANT( Name, "webp" );
+
+ImageWEBPAPI(){
+       m_imagewebp.loadImage = LoadWEBP;
+}
+_QERPlugImageTable* getTable(){
+       return &m_imagewebp;
+}
+};
+
+typedef SingletonModule<ImageWEBPAPI, ImageDependencies> ImageWEBPModule;
+
+ImageWEBPModule g_ImageWEBPModule;
+
+
+extern "C" void RADIANT_DLLEXPORT Radiant_RegisterModules( ModuleServer& server ){
+       initialiseModule( server );
+
+       g_ImageWEBPModule.selfRegister();
+}