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ADDED: LoadImageAnim() to load animated sequence of images

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This commit is contained in:
raysan5 2020-07-10 13:59:01 +02:00
parent fa7799143e
commit c57323f29c
2 changed files with 41 additions and 31 deletions
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1
src/raylib.h
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@ -1099,6 +1099,7 @@ RLAPI bool CheckCollisionPointTriangle(Vector2 point, Vector2 p1, Vector2 p2, Ve
RLAPI Image LoadImage(const char *fileName); // Load image from file into CPU memory (RAM)
RLAPI Image LoadImageEx(Color *pixels, int width, int height); // Load image from Color array data (RGBA - 32bit)
RLAPI Image LoadImageRaw(const char *fileName, int width, int height, int format, int headerSize); // Load image from RAW file data
RLAPI Image LoadImageAnim(const char *fileName, int *frames); // Load image sequence from file (frames appended to image.data)
RLAPI void UnloadImage(Image image); // Unload image from CPU memory (RAM)
RLAPI void ExportImage(Image image, const char *fileName); // Export image data to file
RLAPI void ExportImageAsCode(Image image, const char *fileName); // Export image as code file defining an array of bytes

71
src/textures.c
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@ -170,9 +170,6 @@
//----------------------------------------------------------------------------------
// Module specific Functions Declaration
//----------------------------------------------------------------------------------
#if defined(SUPPORT_FILEFORMAT_GIF)
static Image LoadAnimatedGIF(const char *fileName, int *frames, int **delays); // Load animated GIF file
#endif
#if defined(SUPPORT_FILEFORMAT_DDS)
static Image LoadDDS(const char *fileName); // Load DDS file
#endif
@ -363,6 +360,46 @@ Image LoadImageRaw(const char *fileName, int width, int height, int format, int
return image;
}
// Load animated image data
// - Image.data buffer includes all frames: [image#0][image#1][image#2][...]
// - Number of frames is returned through 'frames' parameter
// - All frames are returned in RGBA format
// - Frames delay data is discarded
Image LoadImageAnim(const char *fileName, int *frames)
{
Image image = { 0 };
int framesCount = 1;
#if defined(SUPPORT_FILEFORMAT_GIF)
if (IsFileExtension(fileName, ".gif"))
#else
if (false)
#endif
{
unsigned int dataSize = 0;
unsigned char *fileData = LoadFileData(fileName, &dataSize);
if (fileData != NULL)
{
int comp = 0;
int **delays = NULL;
image.data = stbi_load_gif_from_memory(fileData, dataSize, delays, &image.width, &image.height, &framesCount, &comp, 4);
image.mipmaps = 1;
image.format = UNCOMPRESSED_R8G8B8A8;
RL_FREE(fileData);
RL_FREE(delays); // NOTE: Frames delays are discarded
}
}
else image = LoadImage(fileName);
// TODO: Support APNG animated images?
*frames = framesCount;
return image;
}
// Unload image from CPU memory (RAM)
void UnloadImage(Image image)
{
@ -3706,34 +3743,6 @@ int GetPixelDataSize(int width, int height, int format)
//----------------------------------------------------------------------------------
// Module specific Functions Definition
//----------------------------------------------------------------------------------
#if defined(SUPPORT_FILEFORMAT_GIF)
// Load animated GIF data
// - Image.data buffer includes all frames: [image#0][image#1][image#2][...]
// - Number of frames is returned through 'frames' parameter
// - Frames delay is returned through 'delays' parameter (int array)
// - All frames are returned in RGBA format
static Image LoadAnimatedGIF(const char *fileName, int *frames, int **delays)
{
Image image = { 0 };
unsigned int dataSize = 0;
unsigned char *fileData = LoadFileData(fileName, &dataSize);
if (fileData != NULL)
{
int comp = 0;
image.data = stbi_load_gif_from_memory(fileData, dataSize, delays, &image.width, &image.height, frames, &comp, 4);
image.mipmaps = 1;
image.format = UNCOMPRESSED_R8G8B8A8;
RL_FREE(fileData);
}
return image;
}
#endif
#if defined(SUPPORT_FILEFORMAT_DDS)
// Loading DDS image data (compressed or uncompressed)
static Image LoadDDS(const char *fileName)