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add LoadImageBuffer

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brankoku 2020-03-03 17:11:50 -05:00 committed by GitHub
parent 6b8f30964d
commit e4ff62f818
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1 changed files with 122 additions and 0 deletions
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122
src/textures.c
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@ -299,6 +299,128 @@ Image LoadImage(const char *fileName)
return image;
}
// Load image from file in memory
Image LoadImageBuffer(const char *extension, const void *data, const unsigned int length)
{
Image image = { 0 };
if (!extension || !data || !length)
{
TRACELOG(LOG_WARNING, "[ERROR] LoadImageBuffer invalid arguments");
return image;
}
#if defined(SUPPORT_FILEFORMAT_PNG) || \
defined(SUPPORT_FILEFORMAT_BMP) || \
defined(SUPPORT_FILEFORMAT_TGA) || \
defined(SUPPORT_FILEFORMAT_GIF) || \
defined(SUPPORT_FILEFORMAT_PIC) || \
defined(SUPPORT_FILEFORMAT_HDR) || \
defined(SUPPORT_FILEFORMAT_PSD)
#define STBI_REQUIRED
#endif
#if defined(SUPPORT_FILEFORMAT_PNG)
if ((IsFileExtension(extension, ".png"))
#else
if ((false)
#endif
#if defined(SUPPORT_FILEFORMAT_BMP)
|| (IsFileExtension(extension, ".bmp"))
#endif
#if defined(SUPPORT_FILEFORMAT_TGA)
|| (IsFileExtension(extension, ".tga"))
#endif
#if defined(SUPPORT_FILEFORMAT_JPG)
|| (IsFileExtension(extension, ".jpg"))
#endif
#if defined(SUPPORT_FILEFORMAT_GIF)
|| (IsFileExtension(extension, ".gif"))
#endif
#if defined(SUPPORT_FILEFORMAT_PIC)
|| (IsFileExtension(extension, ".pic"))
#endif
#if defined(SUPPORT_FILEFORMAT_PSD)
|| (IsFileExtension(extension, ".psd"))
#endif
)
{
#if defined(STBI_REQUIRED)
// NOTE: Using stb_image to load images (Supports multiple image formats)
int dataSize = length;
unsigned char *fileData = data;
if (fileData != NULL)
{
int comp = 0;
image.data = stbi_load_from_memory(fileData, dataSize, &image.width, &image.height, &comp, 0);
image.mipmaps = 1;
if (comp == 1) image.format = UNCOMPRESSED_GRAYSCALE;
else if (comp == 2) image.format = UNCOMPRESSED_GRAY_ALPHA;
else if (comp == 3) image.format = UNCOMPRESSED_R8G8B8;
else if (comp == 4) image.format = UNCOMPRESSED_R8G8B8A8;
RL_FREE(fileData);
}
#endif
}
#if defined(SUPPORT_FILEFORMAT_HDR)
else if (IsFileExtension(extension, ".hdr"))
{
#if defined(STBI_REQUIRED)
int dataSize = length;
unsigned char *fileData = data;
if (fileData != NULL)
{
int comp = 0;
image.data = stbi_loadf_from_memory(fileData, dataSize, &image.width, &image.height, &comp, 0);
image.mipmaps = 1;
if (comp == 1) image.format = UNCOMPRESSED_R32;
else if (comp == 3) image.format = UNCOMPRESSED_R32G32B32;
else if (comp == 4) image.format = UNCOMPRESSED_R32G32B32A32;
else
{
TRACELOG(LOG_WARNING, "[%s] HDR LoadImageBuffer fileformat not supported", extension);
UnloadImage(image);
}
RL_FREE(fileData);
}
#endif
}
#endif
#if 0 /* TODO: in-memory versions of these loaders */
#if defined(SUPPORT_FILEFORMAT_DDS)
else if (IsFileExtension(extension, ".dds")) image = LoadDDS(fileName);
#endif
#if defined(SUPPORT_FILEFORMAT_PKM)
else if (IsFileExtension(extension, ".pkm")) image = LoadPKM(fileName);
#endif
#if defined(SUPPORT_FILEFORMAT_KTX)
else if (IsFileExtension(extension, ".ktx")) image = LoadKTX(fileName);
#endif
#if defined(SUPPORT_FILEFORMAT_PVR)
else if (IsFileExtension(extension, ".pvr")) image = LoadPVR(fileName);
#endif
#if defined(SUPPORT_FILEFORMAT_ASTC)
else if (IsFileExtension(extension, ".astc")) image = LoadASTC(fileName);
#endif
#endif
else TRACELOG(LOG_WARNING, "[%s] LoadImageBuffer fileformat not supported", extension);
if (image.data != NULL) TRACELOG(LOG_INFO, "[%s] LoadImageBuffer loaded successfully (%ix%i)", fileName, image.width, image.height);
else TRACELOG(LOG_WARNING, "[%s] LoadImageBuffer could not be loaded", fileName);
return image;
}
// Load image from Color array data (RGBA - 32bit)
// NOTE: Creates a copy of pixels data array
Image LoadImageEx(Color *pixels, int width, int height)