562 lines
15 KiB
C
562 lines
15 KiB
C
#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <string.h>
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#include <evas_common.h>
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#include <evas_private.h>
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#include <evas_module.h>
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#ifdef _WIN32
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# ifdef open
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# undef open
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# endif
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# ifdef close
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# undef close
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# endif
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#endif
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static Eina_Hash *evas_modules[4] = {
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NULL,
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NULL,
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NULL,
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NULL
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};
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static Eina_List *eina_evas_modules = NULL;
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static Eina_List *evas_module_paths = NULL;
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static Eina_Array *evas_engines = NULL;
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static Eina_List *
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_evas_module_append(Eina_List *list, char *path)
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{
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if (path)
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{
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if (evas_file_path_exists(path))
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list = eina_list_append(list, path);
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else
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free(path);
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}
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return list;
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}
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/* this will alloc a list of paths to search for the modules */
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/* by now these are: */
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/* 1. ~/.evas/modules/ */
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/* 2. $(EVAS_MODULE_DIR)/evas/modules/ */
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/* 3. dladdr/evas/modules/ */
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/* 4. PREFIX/evas/modules/ */
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void
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evas_module_paths_init(void)
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{
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char *path;
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/* 1. ~/.evas/modules/ */
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path = eina_module_environment_path_get("HOME", "/.evas/modules");
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evas_module_paths = _evas_module_append(evas_module_paths, path);
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/* 2. $(EVAS_MODULE_DIR)/evas/modules/ */
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path = eina_module_environment_path_get("EVAS_MODULES_DIR", "/evas/modules");
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if (eina_list_search_unsorted(evas_module_paths, (Eina_Compare_Cb) strcmp, path))
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free(path);
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else
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evas_module_paths = _evas_module_append(evas_module_paths, path);
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/* 3. libevas.so/../evas/modules/ */
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path = eina_module_symbol_path_get(evas_module_paths_init, "/evas/modules");
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if (eina_list_search_unsorted(evas_module_paths, (Eina_Compare_Cb) strcmp, path))
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free(path);
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else
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evas_module_paths = _evas_module_append(evas_module_paths, path);
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/* 4. PREFIX/evas/modules/ */
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#ifndef _MSC_VER
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path = PACKAGE_LIB_DIR "/evas/modules";
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if (!eina_list_search_unsorted(evas_module_paths, (Eina_Compare_Cb) strcmp, path))
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{
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path = strdup(path);
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if (path)
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evas_module_paths = _evas_module_append(evas_module_paths, path);
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}
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#endif
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}
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#define EVAS_EINA_STATIC_MODULE_DEFINE(Tn, Name) \
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Eina_Bool evas_##Tn##_##Name##_init(void); \
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void evas_##Tn##_##Name##_shutdown(void);
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#define EVAS_EINA_STATIC_MODULE_USE(Tn, Name) \
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{ evas_##Tn##_##Name##_init, evas_##Tn##_##Name##_shutdown }
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EVAS_EINA_STATIC_MODULE_DEFINE(engine, buffer);
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EVAS_EINA_STATIC_MODULE_DEFINE(engine, direct3d);
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EVAS_EINA_STATIC_MODULE_DEFINE(engine, directfb);
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EVAS_EINA_STATIC_MODULE_DEFINE(engine, fb);
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EVAS_EINA_STATIC_MODULE_DEFINE(engine, gl_x11);
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EVAS_EINA_STATIC_MODULE_DEFINE(engine, gl_sdl);
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EVAS_EINA_STATIC_MODULE_DEFINE(engine, software_16);
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EVAS_EINA_STATIC_MODULE_DEFINE(engine, software_16_ddraw);
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EVAS_EINA_STATIC_MODULE_DEFINE(engine, software_16_sdl);
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EVAS_EINA_STATIC_MODULE_DEFINE(engine, software_16_wince);
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EVAS_EINA_STATIC_MODULE_DEFINE(engine, software_16_x11);
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EVAS_EINA_STATIC_MODULE_DEFINE(engine, software_8);
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EVAS_EINA_STATIC_MODULE_DEFINE(engine, software_8_x11);
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EVAS_EINA_STATIC_MODULE_DEFINE(engine, software_ddraw);
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EVAS_EINA_STATIC_MODULE_DEFINE(engine, software_gdi);
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EVAS_EINA_STATIC_MODULE_DEFINE(engine, software_generic);
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EVAS_EINA_STATIC_MODULE_DEFINE(engine, software_sdl);
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EVAS_EINA_STATIC_MODULE_DEFINE(engine, software_x11);
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EVAS_EINA_STATIC_MODULE_DEFINE(engine, xrender_x11);
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EVAS_EINA_STATIC_MODULE_DEFINE(image_loader, xpm);
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EVAS_EINA_STATIC_MODULE_DEFINE(image_loader, bmp);
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EVAS_EINA_STATIC_MODULE_DEFINE(image_loader, tiff);
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EVAS_EINA_STATIC_MODULE_DEFINE(image_loader, svg);
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EVAS_EINA_STATIC_MODULE_DEFINE(image_loader, png);
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EVAS_EINA_STATIC_MODULE_DEFINE(image_loader, pmaps);
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EVAS_EINA_STATIC_MODULE_DEFINE(image_loader, jpeg);
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EVAS_EINA_STATIC_MODULE_DEFINE(image_loader, gif);
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EVAS_EINA_STATIC_MODULE_DEFINE(image_loader, eet);
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EVAS_EINA_STATIC_MODULE_DEFINE(image_loader, edb);
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EVAS_EINA_STATIC_MODULE_DEFINE(image_loader, tga);
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EVAS_EINA_STATIC_MODULE_DEFINE(image_loader, wbmp);
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EVAS_EINA_STATIC_MODULE_DEFINE(image_loader, ico);
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EVAS_EINA_STATIC_MODULE_DEFINE(image_saver, edb);
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EVAS_EINA_STATIC_MODULE_DEFINE(image_saver, eet);
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EVAS_EINA_STATIC_MODULE_DEFINE(image_saver, jpeg);
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EVAS_EINA_STATIC_MODULE_DEFINE(image_saver, png);
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EVAS_EINA_STATIC_MODULE_DEFINE(image_saver, tiff);
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static const struct {
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Eina_Bool (*init)(void);
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void (*shutdown)(void);
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} evas_static_module[] = {
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#ifdef EVAS_STATIC_BUILD_BUFFER
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EVAS_EINA_STATIC_MODULE_USE(engine, buffer),
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#endif
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#ifdef EVAS_STATIC_BUILD_DIRECT3D
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EVAS_EINA_STATIC_MODULE_USE(engine, direct3d),
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#endif
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#ifdef EVAS_STATIC_BUILD_DIRECTFB
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EVAS_EINA_STATIC_MODULE_USE(engine, directfb),
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#endif
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#ifdef EVAS_STATIC_BUILD_FB
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EVAS_EINA_STATIC_MODULE_USE(engine, fb),
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#endif
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#ifdef EVAS_STATIC_BUILD_GL_X11
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EVAS_EINA_STATIC_MODULE_USE(engine, gl_x11),
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#endif
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#ifdef EVAS_STATIC_BUILD_GL_SDL
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EVAS_EINA_STATIC_MODULE_USE(engine, gl_sdl),
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#endif
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#ifdef EVAS_STATIC_BUILD_SOFTWARE_16
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EVAS_EINA_STATIC_MODULE_USE(engine, software_16),
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#endif
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#ifdef EVAS_STATIC_BUILD_SOFTWARE_16_DDRAW
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EVAS_EINA_STATIC_MODULE_USE(engine, software_16_ddraw),
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#endif
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#ifdef EVAS_STATIC_BUILD_SOFTWARE_16_SDL
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EVAS_EINA_STATIC_MODULE_USE(engine, software_16_sdl),
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#endif
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#ifdef EVAS_STATIC_BUILD_SOFTWARE_16_WINCE
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EVAS_EINA_STATIC_MODULE_USE(engine, software_16_wince),
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#endif
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#ifdef EVAS_STATIC_BUILD_SOFTWARE_16_X11
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EVAS_EINA_STATIC_MODULE_USE(engine, software_16_x11),
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#endif
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#ifdef EVAS_STATIC_BUILD_SOFTWARE_16_DDRAW
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EVAS_EINA_STATIC_MODULE_USE(engine, software_ddraw),
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#endif
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#ifdef EVAS_STATIC_BUILD_SOFTWARE_16_GDI
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EVAS_EINA_STATIC_MODULE_USE(engine, software_gdi),
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#endif
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#ifdef EVAS_STATIC_BUILD_SOFTWARE_8
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EVAS_EINA_STATIC_MODULE_USE(engine, software_8),
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#endif
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#ifdef EVAS_STATIC_BUILD_SOFTWARE_8_X11
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EVAS_EINA_STATIC_MODULE_USE(engine, software_8_x11),
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#endif
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#ifdef EVAS_STATIC_BUILD_SOFTWARE_GENERIC
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EVAS_EINA_STATIC_MODULE_USE(engine, software_generic),
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#endif
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#ifdef EVAS_STATIC_BUILD_SOFTWARE_SDL
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EVAS_EINA_STATIC_MODULE_USE(engine, software_sdl),
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#endif
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#ifdef EVAS_STATIC_BUILD_SOFTWARE_X11
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EVAS_EINA_STATIC_MODULE_USE(engine, software_x11),
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#endif
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#ifdef EVAS_STATIC_BUILD_XRENDER_X11
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EVAS_EINA_STATIC_MODULE_USE(engine, xrender_x11),
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#endif
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#ifdef EVAS_STATIC_BUILD_XPM
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EVAS_EINA_STATIC_MODULE_USE(image_loader, xpm),
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#endif
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#ifdef EVAS_STATIC_BUILD_BMP
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EVAS_EINA_STATIC_MODULE_USE(image_loader, bmp),
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#endif
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#ifdef EVAS_STATIC_BUILD_TIFF
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EVAS_EINA_STATIC_MODULE_USE(image_loader, tiff),
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#endif
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#ifdef EVAS_STATIC_BUILD_SVG
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EVAS_EINA_STATIC_MODULE_USE(image_loader, svg),
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#endif
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#ifdef EVAS_STATIC_BUILD_PNG
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EVAS_EINA_STATIC_MODULE_USE(image_loader, png),
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#endif
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#ifdef EVAS_STATIC_BUILD_PMAPS
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EVAS_EINA_STATIC_MODULE_USE(image_loader, pmaps),
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#endif
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#ifdef EVAS_STATIC_BUILD_JPEG
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EVAS_EINA_STATIC_MODULE_USE(image_loader, jpeg),
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#endif
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#ifdef EVAS_STATIC_BUILD_GIF
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EVAS_EINA_STATIC_MODULE_USE(image_loader, gif),
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#endif
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#ifdef EVAS_STATIC_BUILD_EET
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EVAS_EINA_STATIC_MODULE_USE(image_loader, eet),
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#endif
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#ifdef EVAS_STATIC_BUILD_EDB
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EVAS_EINA_STATIC_MODULE_USE(image_loader, edb),
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#endif
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#ifdef EVAS_STATIC_BUILD_TGA
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EVAS_EINA_STATIC_MODULE_USE(image_loader, tga),
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#endif
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#ifdef EVAS_STATIC_BUILD_WBMP
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EVAS_EINA_STATIC_MODULE_USE(image_loader, wbmp),
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#endif
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#ifdef EVAS_STATIC_BUILD_ICO
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EVAS_EINA_STATIC_MODULE_USE(image_loader, ico),
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#endif
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#ifdef EVAS_STATIC_BUILD_EDB
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EVAS_EINA_STATIC_MODULE_USE(image_saver, edb),
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#endif
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#ifdef EVAS_STATIC_BUILD_EET
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EVAS_EINA_STATIC_MODULE_USE(image_saver, eet),
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#endif
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#if defined (EVAS_BUILD_SAVER_JPEG) && defined (EVAS_STATIC_BUILD_JPEG)
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EVAS_EINA_STATIC_MODULE_USE(image_saver, jpeg),
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#endif
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#ifdef EVAS_STATIC_BUILD_PNG
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EVAS_EINA_STATIC_MODULE_USE(image_saver, png),
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#endif
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#ifdef EVAS_STATIC_BUILD_TIFF
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EVAS_EINA_STATIC_MODULE_USE(image_saver, tiff),
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#endif
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{ NULL, NULL }
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};
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/* this will alloc an Evas_Module struct for each module
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* it finds on the paths */
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void
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evas_module_init(void)
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{
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int i;
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evas_module_paths_init();
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evas_modules[EVAS_MODULE_TYPE_ENGINE] = eina_hash_string_small_new(/* FIXME: Add a function to cleanup stuff. */ NULL);
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evas_modules[EVAS_MODULE_TYPE_IMAGE_LOADER] = eina_hash_string_small_new(/* FIXME: Add a function to cleanup stuff. */ NULL);
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evas_modules[EVAS_MODULE_TYPE_IMAGE_SAVER] = eina_hash_string_small_new(/* FIXME: Add a function to cleanup stuff. */ NULL);
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evas_modules[EVAS_MODULE_TYPE_OBJECT] = eina_hash_string_small_new(/* FIXME: Add a function to cleanup stuff. */ NULL);
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evas_engines = eina_array_new(4);
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for (i = 0; evas_static_module[i].init; ++i)
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evas_static_module[i].init();
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}
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Eina_Bool
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evas_module_register(const Evas_Module_Api *module, Evas_Module_Type type)
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{
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Evas_Module *em;
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if ((unsigned int)type > 3) return EINA_FALSE;
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if (!module) return EINA_FALSE;
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if (module->version != EVAS_MODULE_API_VERSION) return EINA_FALSE;
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em = eina_hash_find(evas_modules[type], module->name);
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if (em) return EINA_FALSE;
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em = calloc(1, sizeof (Evas_Module));
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if (!em) return EINA_FALSE;
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em->definition = module;
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if (type == EVAS_MODULE_TYPE_ENGINE)
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{
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eina_array_push(evas_engines, em);
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em->id_engine = eina_array_count_get(evas_engines);
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}
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eina_hash_direct_add(evas_modules[type], module->name, em);
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return EINA_TRUE;
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}
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Eina_Bool
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evas_module_unregister(const Evas_Module_Api *module, Evas_Module_Type type)
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{
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Evas_Module *em;
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if ((unsigned int)type > 3) return EINA_FALSE;
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if (!module) return EINA_FALSE;
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em = eina_hash_find(evas_modules[type], module->name);
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if (!em || em->definition != module) return EINA_FALSE;
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if (type == EVAS_MODULE_TYPE_ENGINE)
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eina_array_data_set(evas_engines, em->id_engine, NULL);
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eina_hash_del(evas_modules[type], module->name, em);
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free(em);
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return EINA_TRUE;
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}
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#if defined(__CEGCC__) || defined(__MINGW32CE__)
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# define EVAS_MODULE_NAME_IMAGE_SAVER "saver_%s.dll"
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# define EVAS_MODULE_NAME_IMAGE_LOADER "loader_%s.dll"
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# define EVAS_MODULE_NAME_ENGINE "engine_%s.dll"
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# define EVAS_MODULE_NAME_OBJECT "object_%s.dll"
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#elif _WIN32
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# define EVAS_MODULE_NAME_IMAGE_SAVER "module.dll"
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# define EVAS_MODULE_NAME_IMAGE_LOADER "module.dll"
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# define EVAS_MODULE_NAME_ENGINE "module.dll"
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# define EVAS_MODULE_NAME_OBJECT "module.dll"
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#else
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# define EVAS_MODULE_NAME_IMAGE_SAVER "module.so"
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# define EVAS_MODULE_NAME_IMAGE_LOADER "module.so"
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# define EVAS_MODULE_NAME_ENGINE "module.so"
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# define EVAS_MODULE_NAME_OBJECT "module.so"
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#endif
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Evas_Module *
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evas_module_find_type(Evas_Module_Type type, const char *name)
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{
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const char *path;
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const char *format = NULL;
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char buffer[4096];
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Evas_Module *em;
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Eina_Module *en;
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Eina_List *l;
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if ((unsigned int)type > 3) return NULL;
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em = eina_hash_find(evas_modules[type], name);
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if (em) return em;
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EINA_LIST_FOREACH(evas_module_paths, l, path)
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{
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switch (type)
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{
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case EVAS_MODULE_TYPE_ENGINE: format = "%s/engines/%s/%s/" EVAS_MODULE_NAME_ENGINE; break;
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case EVAS_MODULE_TYPE_IMAGE_LOADER: format = "%s/loaders/%s/%s/" EVAS_MODULE_NAME_IMAGE_LOADER; break;
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case EVAS_MODULE_TYPE_IMAGE_SAVER: format = "%s/savers/%s/%s/" EVAS_MODULE_NAME_IMAGE_SAVER; break;
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case EVAS_MODULE_TYPE_OBJECT: format = "%s/object/%s/%s/" EVAS_MODULE_NAME_OBJECT; break;
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}
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snprintf(buffer, sizeof (buffer), format, path, name, MODULE_ARCH, name);
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if (!evas_file_path_is_file(buffer)) continue;
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en = eina_module_new(buffer);
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if (!en) continue;
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if (!eina_module_load(en))
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{
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eina_module_free(en);
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continue;
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}
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em = eina_hash_find(evas_modules[type], name);
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if (em)
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{
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eina_evas_modules = eina_list_append(eina_evas_modules, en);
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return em;
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}
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eina_module_free(en);
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}
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return NULL;
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}
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Evas_Module *
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evas_module_engine_get(int render_method)
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{
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if ((render_method <= 0) ||
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((unsigned int)render_method > eina_array_count_get(evas_engines)))
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return NULL;
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return eina_array_data_get(evas_engines, render_method - 1);
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}
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void
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evas_module_foreach_image_loader(Eina_Hash_Foreach cb, const void *fdata)
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{
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eina_hash_foreach(evas_modules[EVAS_MODULE_TYPE_IMAGE_LOADER], cb, fdata);
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}
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int
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evas_module_load(Evas_Module *em)
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{
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if (em->loaded) return 1;
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if (!em->definition) return 0;
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if (!em->definition->func.open(em)) return 0;
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em->loaded = 1;
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#ifdef BUILD_ASYNC_PRELOAD
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LKI(em->lock);
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#endif
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return 1;
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}
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void
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evas_module_unload(Evas_Module *em)
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{
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if (!em->loaded)
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return;
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if (!em->definition)
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return ;
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// for now lets not unload modules - they may still be in use.
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// em->definition->func.close(em);
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// em->loaded = 0;
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#ifdef BUILD_ASYNC_PRELOAD
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LKD(em->lock);
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#endif
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}
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void
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evas_module_ref(Evas_Module *em)
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{
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#ifdef BUILD_ASYNC_PRELOAD
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LKL(em->lock);
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#endif
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em->ref++;
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#ifdef BUILD_ASYNC_PRELOAD
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LKU(em->lock);
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#endif
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}
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void
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evas_module_unref(Evas_Module *em)
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{
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#ifdef BUILD_ASYNC_PRELOAD
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LKL(em->lock);
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#endif
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em->ref--;
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#ifdef BUILD_ASYNC_PRELOAD
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LKU(em->lock);
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#endif
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}
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static int use_count = 0;
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void
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evas_module_use(Evas_Module *em)
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{
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em->last_used = use_count;
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}
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void
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evas_module_clean(void)
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{
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static int call_count = 0;
|
|
/* int ago; */
|
|
int noclean = -1;
|
|
/* Eina_List *l; */
|
|
/* Evas_Module *em; */
|
|
|
|
/* only clean modules every 256 calls */
|
|
call_count++;
|
|
if (call_count <= 256) return;
|
|
call_count = 0;
|
|
|
|
if (noclean == -1)
|
|
{
|
|
if (getenv("EVAS_NOCLEAN"))
|
|
noclean = 1;
|
|
else
|
|
noclean = 0;
|
|
}
|
|
if (noclean == 1) return;
|
|
|
|
/* disable module cleaning for now - may cause instability with some modules */
|
|
return;
|
|
|
|
/* FIXME: Don't know what it is supposed to do. */
|
|
/* /\* incriment use counter = 28bits *\/ */
|
|
/* use_count++; */
|
|
/* if (use_count > 0x0fffffff) use_count = 0; */
|
|
|
|
/* /\* printf("CLEAN!\n"); *\/ */
|
|
/* /\* go through all modules *\/ */
|
|
/* EINA_LIST_FOREACH(evas_modules, l, em) */
|
|
/* { */
|
|
/* /\* printf("M %s %i %i\n", em->name, em->ref, em->loaded); *\/ */
|
|
/* /\* if the module is refernced - skip *\/ */
|
|
/* if ((em->ref > 0) || (!em->loaded)) continue; */
|
|
/* /\* how many clean cycles ago was this module last used *\/ */
|
|
/* ago = use_count - em->last_used; */
|
|
/* if (em->last_used > use_count) ago += 0x10000000; */
|
|
/* /\* if it was used last more than N clean cycles ago - unload *\/ */
|
|
/* if (ago > 5) */
|
|
/* { */
|
|
/* /\* printf(" UNLOAD %s\n", em->name); *\/ */
|
|
/* evas_module_unload(em); */
|
|
/* } */
|
|
/* } */
|
|
}
|
|
|
|
/* will dlclose all the modules loaded and free all the structs */
|
|
void
|
|
evas_module_shutdown(void)
|
|
{
|
|
Eina_Module *en;
|
|
char *path;
|
|
int i;
|
|
|
|
for (i = 0; evas_static_module[i].shutdown; ++i)
|
|
evas_static_module[i].shutdown();
|
|
|
|
EINA_LIST_FREE(eina_evas_modules, en)
|
|
eina_module_free(en);
|
|
|
|
eina_hash_free(evas_modules[EVAS_MODULE_TYPE_ENGINE]);
|
|
evas_modules[EVAS_MODULE_TYPE_ENGINE] = NULL;
|
|
eina_hash_free(evas_modules[EVAS_MODULE_TYPE_IMAGE_LOADER]);
|
|
evas_modules[EVAS_MODULE_TYPE_IMAGE_LOADER] = NULL;
|
|
eina_hash_free(evas_modules[EVAS_MODULE_TYPE_IMAGE_SAVER]);
|
|
evas_modules[EVAS_MODULE_TYPE_IMAGE_SAVER] = NULL;
|
|
eina_hash_free(evas_modules[EVAS_MODULE_TYPE_OBJECT]);
|
|
evas_modules[EVAS_MODULE_TYPE_OBJECT] = NULL;
|
|
|
|
EINA_LIST_FREE(evas_module_paths, path)
|
|
free(path);
|
|
|
|
eina_array_free(evas_engines);
|
|
evas_engines = NULL;
|
|
}
|
|
|
|
EAPI int
|
|
_evas_module_engine_inherit(Evas_Func *funcs, char *name)
|
|
{
|
|
Evas_Module *em;
|
|
|
|
em = evas_module_find_type(EVAS_MODULE_TYPE_ENGINE, name);
|
|
if (em)
|
|
{
|
|
if (evas_module_load(em))
|
|
{
|
|
/* FIXME: no way to unref */
|
|
evas_module_ref(em);
|
|
evas_module_use(em);
|
|
*funcs = *((Evas_Func *)(em->functions));
|
|
return 1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|