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(imageviewer) Cut down on some code duplication

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This commit is contained in:
twinaphex 2016-01-22 01:58:21 +01:00
parent eb43efb8e7
commit 346074ee38
1 changed files with 30 additions and 34 deletions
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64
cores/libretro-imageviewer/image_core.c
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@ -193,6 +193,31 @@ void IMAGE_CORE_PREFIX(retro_cheat_set)(unsigned a, bool b, const char * c)
{ {
} }
static bool imageviewer_load(const char *path, uint32_t *buf, int image_index)
{
int comp;
uint32_t *end = NULL;
image_buffer = (uint32_t*)stbi_load(
path,
&image_width,
&image_height,
&comp,
4);
/* RGBA > XRGB8888 */
buf = &image_buffer[0];
end = buf + (image_width*image_height*sizeof(uint32_t))/4;
while(buf < end)
{
uint32_t pixel = *buf;
*buf = (pixel & 0xff00ff00) | ((pixel << 16) & 0x00ff0000) | ((pixel >> 16) & 0xff);
buf++;
}
return true;
}
bool IMAGE_CORE_PREFIX(retro_load_game)(const struct retro_game_info *info) bool IMAGE_CORE_PREFIX(retro_load_game)(const struct retro_game_info *info)
{ {
int comp; int comp;
@ -210,18 +235,6 @@ bool IMAGE_CORE_PREFIX(retro_load_game)(const struct retro_game_info *info)
dir_list_sort(file_list, false); dir_list_sort(file_list, false);
free(dir); free(dir);
image_buffer = (uint32_t*)stbi_load (info->path,&image_width, &image_height, &comp, 4);
/* RGBA > XRGB8888 */
buf = &image_buffer[0];
end = buf + (image_width*image_height*sizeof(uint32_t))/4;
while(buf < end)
{
uint32_t pixel = *buf;
*buf = (pixel & 0xff00ff00) | ((pixel << 16) & 0x00ff0000) | ((pixel >> 16) & 0xff);
buf++;
}
if (!IMAGE_CORE_PREFIX(environ_cb)(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) if (!IMAGE_CORE_PREFIX(environ_cb)(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt))
{ {
@ -229,6 +242,10 @@ bool IMAGE_CORE_PREFIX(retro_load_game)(const struct retro_game_info *info)
IMAGE_CORE_PREFIX(log_cb)(RETRO_LOG_INFO, "XRGB8888 is not supported.\n"); IMAGE_CORE_PREFIX(log_cb)(RETRO_LOG_INFO, "XRGB8888 is not supported.\n");
return false; return false;
} }
if (!imageviewer_load(info->path, buf, 0))
return false;
return true; return true;
} }
@ -261,27 +278,6 @@ size_t IMAGE_CORE_PREFIX(retro_get_memory_size)(unsigned id)
return 0; return 0;
} }
static bool imageviewer_load(uint32_t *buf, int image_index)
{
int comp;
uint32_t *end = NULL;
image_buffer = (uint32_t*)stbi_load(
file_list->elems[image_index].data,
&image_width, &image_height, &comp, 4);
/* RGBA > XRGB8888 */
buf = &image_buffer[0];
end = buf + (image_width*image_height*sizeof(uint32_t))/4;
while(buf < end)
{
uint32_t pixel = *buf;
*buf = (pixel & 0xff00ff00) | ((pixel << 16) & 0x00ff0000) | ((pixel >> 16) & 0xff);
buf++;
}
return true;
}
void IMAGE_CORE_PREFIX(retro_run)(void) void IMAGE_CORE_PREFIX(retro_run)(void)
{ {
@ -373,7 +369,7 @@ void IMAGE_CORE_PREFIX(retro_run)(void)
} }
if (load_image) if (load_image)
imageviewer_load(buf, image_index); imageviewer_load(file_list->elems[image_index].data, buf, image_index);
#ifdef DUPE_TEST #ifdef DUPE_TEST
if (!image_uploaded) if (!image_uploaded)