/*
-Copyright (C) 1999-2006 Id Software, Inc. and contributors.
+Copyright (C) 1999-2007 id Software, Inc. and contributors.
For a list of contributors, see the accompanying CONTRIBUTORS file.
This file is part of GtkRadiant.
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
+// =============================================================================
+// global tables
+
#include "plugin.h"
-#include "debugging/debugging.h"
+_QERFuncTable_1 g_FuncTable;
+_QERFileSystemTable g_FileSystemTable;
+
+// =============================================================================
+// SYNAPSE
+
+#include "synapse.h"
+
+class CSynapseClientImage : public CSynapseClient
+{
+public:
+ // CSynapseClient API
+ bool RequestAPI(APIDescriptor_t *pAPI);
+ const char* GetInfo();
+
+ CSynapseClientImage() { }
+ virtual ~CSynapseClientImage() { }
+};
+
+CSynapseServer* g_pSynapseServer = NULL;
+CSynapseClientImage g_SynapseClient;
+
+#if __GNUC__ >= 4
+#pragma GCC visibility push(default)
+#endif
+extern "C" CSynapseClient* SYNAPSE_DLL_EXPORT Synapse_EnumerateInterfaces( const char *version, CSynapseServer *pServer ) {
+#if __GNUC__ >= 4
+#pragma GCC visibility pop
+#endif
+ if (strcmp(version, SYNAPSE_VERSION))
+ {
+ Syn_Printf("ERROR: synapse API version mismatch: should be '" SYNAPSE_VERSION "', got '%s'\n", version);
+ return NULL;
+ }
+ g_pSynapseServer = pServer;
+ g_pSynapseServer->IncRef();
+ Set_Syn_Printf(g_pSynapseServer->Get_Syn_Printf());
+
+ g_SynapseClient.AddAPI(IMAGE_MAJOR, "png", sizeof(_QERPlugImageTable));
+ g_SynapseClient.AddAPI(RADIANT_MAJOR, NULL, sizeof(_QERFuncTable_1), SYN_REQUIRE, &g_FuncTable);
+ // NOTE: if imagepng starts being used for non "VFS" "pk3" config, need to add a dynamic config chunk
+ g_SynapseClient.AddAPI(VFS_MAJOR, "pk3", sizeof(_QERFileSystemTable), SYN_REQUIRE, &g_FileSystemTable);
+
+ return &g_SynapseClient;
+}
+
+bool CSynapseClientImage::RequestAPI(APIDescriptor_t *pAPI)
+{
+ if (!strcmp(pAPI->major_name, IMAGE_MAJOR))
+ {
+ _QERPlugImageTable* pTable= static_cast<_QERPlugImageTable*>(pAPI->mpTable);
+ if (!strcmp(pAPI->minor_name, "png"))
+ {
+ pTable->m_pfnLoadImage = &LoadImage;
+ return true;
+ }
+ }
+
+ Syn_Printf("ERROR: RequestAPI( '%s' ) not found in '%s'\n", pAPI->major_name, GetInfo());
+ return false;
+}
+
+#include "version.h"
+
+const char* CSynapseClientImage::GetInfo()
+{
+ return "PNG loader module built " __DATE__ " " RADIANT_VERSION;
+}
-#include "ifilesystem.h"
-#include "iimage.h"
-#include "imagelib.h"
// ====== PNG loader functionality ======
#include "png.h"
+
+#ifdef __APPLE__ //tigital
#include <stdlib.h>
+#endif
void user_warning_fn(png_structp png_ptr, png_const_charp warning_msg)
{
- globalErrorStream() << "libpng warning: " << warning_msg << "\n";
+ g_FuncTable.m_pfnSysPrintf ("libpng warning: %s\n", warning_msg);
}
void user_error_fn(png_structp png_ptr, png_const_charp error_msg)
{
- globalErrorStream() << "libpng error: " << error_msg << "\n";
+ g_FuncTable.m_pfnSysPrintf ("libpng error: %s\n", error_msg);
longjmp(png_ptr->jmpbuf, 0);
}
*p_p_fbuffer += length;
}
-Image* LoadPNGBuff (unsigned char* fbuffer)
+void LoadImage (const char *filename, unsigned char **pic, int *width, int *height)
{
png_byte** row_pointers;
+ unsigned char *fbuffer = NULL;
png_bytep p_fbuffer;
+ int nLen = g_FileSystemTable.m_pfnLoadFile( (char *)filename, (void **)&fbuffer, 0 );
+ if (nLen == -1)
+ return;
+
p_fbuffer = fbuffer;
-
+
// the reading glue
// http://www.libpng.org/pub/png/libpng-manual.html
png_structp png_ptr = png_create_read_struct
- (PNG_LIBPNG_VER_STRING, (png_voidp)NULL,
+ (PNG_LIBPNG_VER_STRING, png_voidp_NULL,
user_error_fn, user_warning_fn);
if (!png_ptr)
{
- globalErrorStream() << "libpng error: png_create_read_struct\n";
- return 0;
+ g_FuncTable.m_pfnSysPrintf ("libpng error: png_create_read_struct\n");
+ return;
}
-
+
png_infop info_ptr = png_create_info_struct(png_ptr);
if (!info_ptr) {
png_destroy_read_struct(&png_ptr,
- (png_infopp)NULL, (png_infopp)NULL);
- globalErrorStream() << "libpng error: png_create_info_struct (info_ptr)\n";
- return 0;
+ png_infopp_NULL, png_infopp_NULL);
+ g_FuncTable.m_pfnSysPrintf ("libpng error: png_create_info_struct (info_ptr)\n");
+ return;
}
-
+
png_infop end_info = png_create_info_struct(png_ptr);
if (!end_info) {
png_destroy_read_struct(&png_ptr, &info_ptr,
- (png_infopp)NULL);
- globalErrorStream() << "libpng error: png_create_info_struct (end_info)\n";
- return 0;
+ png_infopp_NULL);
+ g_FuncTable.m_pfnSysPrintf ("libpng error: png_create_info_struct (end_info)\n");
+ return;
}
// configure the read function
if (setjmp(png_ptr->jmpbuf)) {
png_destroy_read_struct(&png_ptr, &info_ptr,
&end_info);
- return 0;
+ if (*pic)
+ {
+ g_free(*pic);
+ free(row_pointers);
+ }
+ return;
}
png_read_info(png_ptr, info_ptr);
int color_type = png_get_color_type(png_ptr, info_ptr);
// we want to treat all images the same way
- // The following code transforms grayscale images of less than 8 to 8 bits,
- // changes paletted images to RGB, and adds a full alpha channel if there is
+ // The following code transforms grayscale images of less than 8 to 8 bits,
+ // changes paletted images to RGB, and adds a full alpha channel if there is
// transparency information in a tRNS chunk.
if (color_type == PNG_COLOR_TYPE_PALETTE)
png_set_palette_to_rgb(png_ptr);
png_color_16 my_background, *image_background;
if (png_get_bKGD(png_ptr, info_ptr, &image_background))
- png_set_background(png_ptr, image_background,
+ png_set_background(png_ptr, image_background,
PNG_BACKGROUND_GAMMA_FILE, 1, 1.0);
else
png_set_background(png_ptr, &my_background,
color_type = png_get_color_type(png_ptr, info_ptr);
bit_depth = png_get_bit_depth(png_ptr, info_ptr);
- int width = png_get_image_width(png_ptr, info_ptr);
- int height = png_get_image_height(png_ptr, info_ptr);
+ *width = png_get_image_width(png_ptr, info_ptr);
+ *height = png_get_image_height(png_ptr, info_ptr);
// allocate the pixel buffer, and the row pointers
- RGBAImage* image = new RGBAImage(width, height);
-
- row_pointers = (png_byte**) malloc((height) * sizeof(png_byte*));
+ int size = (*width)*(*height)*4;
+ // still have to use that g_malloc heresy
+ *pic = (unsigned char *)g_malloc(size);
+ row_pointers = (png_byte**) malloc((*height) * sizeof(png_byte*));
int i;
- for(i = 0; i < (height); i++)
- row_pointers[i] = (png_byte*)(image->getRGBAPixels()) + i * 4 * (width);
+ for(i = 0; i < (*height); i++)
+ row_pointers[i] = (png_byte*)(*pic) + i * 4 * (*width);
// actual read
png_read_image(png_ptr, row_pointers);
png_destroy_read_struct(&png_ptr, &info_ptr, png_infopp_NULL);
free(row_pointers);
-
- return image;
-}
-
-Image* LoadPNG(ArchiveFile& file)
-{
- ScopedArchiveBuffer buffer(file);
- return LoadPNGBuff( buffer.buffer );
-}
-
-
-#include "modulesystem/singletonmodule.h"
-
-
-class ImageDependencies : public GlobalFileSystemModuleRef
-{
-};
-
-class ImagePNGAPI
-{
- _QERPlugImageTable m_imagepng;
-public:
- typedef _QERPlugImageTable Type;
- STRING_CONSTANT(Name, "png");
-
- ImagePNGAPI()
- {
- m_imagepng.loadImage = LoadPNG;
- }
- _QERPlugImageTable* getTable()
- {
- return &m_imagepng;
- }
-};
-
-typedef SingletonModule<ImagePNGAPI, ImageDependencies> ImagePNGModule;
-
-ImagePNGModule g_ImagePNGModule;
-
-
-extern "C" void RADIANT_DLLEXPORT Radiant_RegisterModules(ModuleServer& server)
-{
- GlobalErrorStream::instance().setOutputStream(server.getErrorStream());
- GlobalOutputStream::instance().setOutputStream(server.getOutputStream());
- GlobalDebugMessageHandler::instance().setHandler(server.getDebugMessageHandler());
- GlobalModuleServer::instance().set(server);
-
- g_ImagePNGModule.selfRegister();
+ g_FileSystemTable.m_pfnFreeFile (fbuffer);
}