diff options
Diffstat (limited to 'xBRZ/src/xbrz.h')
| -rw-r--r-- | xBRZ/src/xbrz.h | 33 |
1 files changed, 16 insertions, 17 deletions
diff --git a/xBRZ/src/xbrz.h b/xBRZ/src/xbrz.h index c0778cf1..b3a496ba 100644 --- a/xBRZ/src/xbrz.h +++ b/xBRZ/src/xbrz.h @@ -26,26 +26,24 @@ namespace xbrz { -/* -------------------------------------------------------------------------- -| xBRZ: "Scale by rules" - high quality image upscaling filter by Zenju | -------------------------------------------------------------------------- -using a modified approach of xBR: -http://board.byuu.org/viewtopic.php?f=10&t=2248 -- new rule set preserving small image features -- highly optimized for performance -- support alpha channel -- support multithreading -- support 64-bit architectures -- support processing image slices -- support scaling up to 6xBRZ -*/ +/* ------------------------------------------------------------------------- + | xBRZ: "Scale by rules" - high quality image upscaling filter by Zenju | + ------------------------------------------------------------------------- + using a modified approach of xBR: + http://board.byuu.org/viewtopic.php?f=10&t=2248 + - new rule set preserving small image features + - highly optimized for performance + - support alpha channel + - support multithreading + - support 64-bit architectures + - support processing image slices + - support scaling up to 6xBRZ */ enum class ColorFormat //from high bits -> low bits, 8 bit per channel { - RGB, //8 bit for each red, green, blue, upper 8 bits unused - ARGB, //including alpha channel, BGRA byte order on little-endian machines - ARGB_UNBUFFERED, //like ARGB, but without the one-time buffer creation overhead (ca. 100 - 300 ms) at the expense of a slightly slower scaling time + rgb, //8 bit for each red, green, blue, upper 8 bits unused + argb, //including alpha channel, BGRA byte order on little-endian machines + argbUnbuffered, //like ARGB, but without the one-time buffer creation overhead (ca. 100 - 300 ms) at the expense of a slightly slower scaling time }; const int SCALE_FACTOR_MAX = 6; @@ -66,6 +64,7 @@ void scale(size_t factor, //valid range: 2 - SCALE_FACTOR_MAX const ScalerCfg& cfg = ScalerCfg(), int yFirst = 0, int yLast = std::numeric_limits<int>::max()); //slice of source image +//BGRA byte order void bilinearScale(const uint32_t* src, int srcWidth, int srcHeight, /**/ uint32_t* trg, int trgWidth, int trgHeight); |