diff options
Diffstat (limited to 'source/blender/imbuf/intern/readimage.c')
| -rw-r--r-- | source/blender/imbuf/intern/readimage.c | 38 |
1 files changed, 30 insertions, 8 deletions
diff --git a/source/blender/imbuf/intern/readimage.c b/source/blender/imbuf/intern/readimage.c index be20c80bdec..d73fa9a7ab7 100644 --- a/source/blender/imbuf/intern/readimage.c +++ b/source/blender/imbuf/intern/readimage.c @@ -43,12 +43,11 @@ #endif #include <stdlib.h> +#include "BLI_utildefines.h" #include "BLI_string.h" #include "BLI_path_util.h" #include "BLI_fileops.h" -#include "BLI_utildefines.h" - #include "imbuf.h" #include "IMB_imbuf_types.h" #include "IMB_imbuf.h" @@ -75,6 +74,8 @@ ImBuf *IMB_ibImageFromMemory(unsigned char *mem, size_t size, int flags, char co if (type->load) { ibuf = type->load(mem, size, flags, effective_colorspace); if (ibuf) { + int alpha_flags; + if (colorspace) { if (ibuf->rect) { /* byte buffer is never internally converted to some standard space, @@ -86,15 +87,37 @@ ImBuf *IMB_ibImageFromMemory(unsigned char *mem, size_t size, int flags, char co BLI_strncpy(colorspace, effective_colorspace, IM_MAX_SPACE); } + if (flags & IB_alphamode_detect) + alpha_flags = ibuf->flags & IB_alphamode_premul; + else + alpha_flags = flags & IB_alphamode_premul; + + if (flags & IB_ignore_alpha) { + IMB_rectfill_alpha(ibuf, 1.0f); + } + else { + if (alpha_flags & IB_alphamode_premul) { + if (ibuf->rect) { + IMB_unpremultiply_alpha(ibuf); + } + else { + /* pass, floats are expected to be premul */ + } + } + else { + if (ibuf->rect_float) { + IMB_premultiply_alpha(ibuf); + } + else { + /* pass, bytes are expected to be straight */ + } + } + } + /* OCIO_TODO: in some cases it's faster to do threaded conversion, * but how to distinguish such cases */ colormanage_imbuf_make_linear(ibuf, effective_colorspace); - if (flags & IB_premul) { - IMB_premultiply_alpha(ibuf); - ibuf->flags |= IB_premul; - } - return ibuf; } } @@ -230,4 +253,3 @@ void imb_loadtile(ImBuf *ibuf, int tx, int ty, unsigned int *rect) close(file); } - |