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ADDED: ExportImageToMemory()

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Only PNG supported for now
This commit is contained in:
Ray 2023-06-03 19:51:16 +02:00
parent ba802fdd5e
commit f8b352f6d9
2 changed files with 30 additions and 1 deletions
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1
src/raylib.h
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@ -1243,6 +1243,7 @@ RLAPI Image LoadImageFromScreen(void);
RLAPI bool IsImageReady(Image image); // Check if an image is ready RLAPI bool IsImageReady(Image image); // Check if an image is ready
RLAPI void UnloadImage(Image image); // Unload image from CPU memory (RAM) RLAPI void UnloadImage(Image image); // Unload image from CPU memory (RAM)
RLAPI bool ExportImage(Image image, const char *fileName); // Export image data to file, returns true on success RLAPI bool ExportImage(Image image, const char *fileName); // Export image data to file, returns true on success
RLAPI unsigned char *ExportImageToMemory(Image image, const char *fileType, int *fileSize); // Export image to memory buffer
RLAPI bool ExportImageAsCode(Image image, const char *fileName); // Export image as code file defining an array of bytes, returns true on success RLAPI bool ExportImageAsCode(Image image, const char *fileName); // Export image as code file defining an array of bytes, returns true on success
// Image generation functions // Image generation functions

30
src/rtextures.c
View file

@ -605,6 +605,34 @@ bool ExportImage(Image image, const char *fileName)
return success; return success;
} }
// Export image to memory buffer
unsigned char *ExportImageToMemory(Image image, const char *fileType, int *dataSize)
{
unsigned char *fileData = NULL;
*dataSize = 0;
if ((image.width == 0) || (image.height == 0) || (image.data == NULL)) return NULL;
#if defined(SUPPORT_IMAGE_EXPORT)
int channels = 4;
if (image.format == PIXELFORMAT_UNCOMPRESSED_GRAYSCALE) channels = 1;
else if (image.format == PIXELFORMAT_UNCOMPRESSED_GRAY_ALPHA) channels = 2;
else if (image.format == PIXELFORMAT_UNCOMPRESSED_R8G8B8) channels = 3;
else if (image.format == PIXELFORMAT_UNCOMPRESSED_R8G8B8A8) channels = 4;
#if defined(SUPPORT_FILEFORMAT_PNG)
if ((strcmp(fileType, ".png") == 0) || (strcmp(fileType, ".PNG") == 0))
{
fileData = stbi_write_png_to_mem((const unsigned char *)image.data, image.width*channels, image.width, image.height, channels, dataSize);
}
#endif
#endif
return fileData;
}
// Export image as code file (.h) defining an array of bytes // Export image as code file (.h) defining an array of bytes
bool ExportImageAsCode(Image image, const char *fileName) bool ExportImageAsCode(Image image, const char *fileName)
{ {
@ -1013,7 +1041,7 @@ Image ImageCopy(Image image)
if (height < 1) height = 1; if (height < 1) height = 1;
} }
newImage.data = RL_MALLOC(size); newImage.data = RL_CALLOC(size, 1);
if (newImage.data != NULL) if (newImage.data != NULL)
{ {