/*
-Copyright (C) 1999-2007 id Software, Inc. and contributors.
+Copyright (C) 1999-2006 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"
-_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 "debugging/debugging.h"
+#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)
{
- g_FuncTable.m_pfnSysPrintf ("libpng warning: %s\n", warning_msg);
+ globalErrorStream() << "libpng warning: " << warning_msg << "\n";
}
void user_error_fn(png_structp png_ptr, png_const_charp error_msg)
{
- g_FuncTable.m_pfnSysPrintf ("libpng error: %s\n", error_msg);
- longjmp(png_ptr->jmpbuf, 0);
+ globalErrorStream() << "libpng error: " << error_msg << "\n";
+ longjmp(png_jmpbuf(png_ptr), 0);
}
void user_read_data(png_structp png_ptr, png_bytep data, png_uint_32 length)
*p_p_fbuffer += length;
}
-void LoadImage (const char *filename, unsigned char **pic, int *width, int *height)
+Image* LoadPNGBuff (unsigned char* fbuffer)
{
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, NULL,
+ (PNG_LIBPNG_VER_STRING, (png_voidp)NULL,
user_error_fn, user_warning_fn);
if (!png_ptr)
{
- g_FuncTable.m_pfnSysPrintf ("libpng error: png_create_read_struct\n");
- return;
+ globalErrorStream() << "libpng error: png_create_read_struct\n";
+ return 0;
}
-
+
png_infop info_ptr = png_create_info_struct(png_ptr);
if (!info_ptr) {
png_destroy_read_struct(&png_ptr,
- NULL, NULL);
- g_FuncTable.m_pfnSysPrintf ("libpng error: png_create_info_struct (info_ptr)\n");
- return;
+ (png_infopp)NULL, (png_infopp)NULL);
+ globalErrorStream() << "libpng error: png_create_info_struct (info_ptr)\n";
+ return 0;
}
-
+
png_infop end_info = png_create_info_struct(png_ptr);
if (!end_info) {
png_destroy_read_struct(&png_ptr, &info_ptr,
- NULL);
- g_FuncTable.m_pfnSysPrintf ("libpng error: png_create_info_struct (end_info)\n");
- return;
+ (png_infopp)NULL);
+ globalErrorStream() << "libpng error: png_create_info_struct (end_info)\n";
+ return 0;
}
// configure the read function
- png_set_read_fn(png_ptr, (voidp)&p_fbuffer, (png_rw_ptr)&user_read_data);
+ png_set_read_fn(png_ptr, (png_voidp)&p_fbuffer, (png_rw_ptr)&user_read_data);
- if (setjmp(png_ptr->jmpbuf)) {
+ if (setjmp(png_jmpbuf(png_ptr))) {
png_destroy_read_struct(&png_ptr, &info_ptr,
&end_info);
- if (*pic)
- {
- g_free(*pic);
- free(row_pointers);
- }
- return;
+ return 0;
}
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);
- if ( color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8 ) {
- // png_set_gray_1_2_4_to_8 was renamed to png_set_expand_gray_1_2_4_to_8
+ if (color_type == PNG_COLOR_TYPE_GRAY || color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
+ png_set_gray_to_rgb(png_ptr);
+ else if (color_type == PNG_COLOR_TYPE_PALETTE)
+ png_set_palette_to_rgb(png_ptr);
+
+ if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8)
png_set_expand_gray_1_2_4_to_8(png_ptr);
- }
if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS))
png_set_tRNS_to_alpha(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);
- *width = png_get_image_width(png_ptr, info_ptr);
- *height = png_get_image_height(png_ptr, info_ptr);
+ int width = png_get_image_width(png_ptr, info_ptr);
+ int height = png_get_image_height(png_ptr, info_ptr);
// allocate the pixel buffer, and the row pointers
- 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*));
+ RGBAImage* image = new RGBAImage(width, height);
+
+ row_pointers = (png_byte**) malloc((height) * sizeof(png_byte*));
int i;
- for(i = 0; i < (*height); i++)
- row_pointers[i] = (png_byte*)(*pic) + i * 4 * (*width);
+ for(i = 0; i < (height); i++)
+ row_pointers[i] = (png_byte*)(image->getRGBAPixels()) + i * 4 * (width);
// actual read
png_read_image(png_ptr, row_pointers);
png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
free(row_pointers);
- g_FileSystemTable.m_pfnFreeFile (fbuffer);
+
+ 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)
+{
+ initialiseModule(server);
+
+ g_ImagePNGModule.selfRegister();
}