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Code Issues Releases Wiki Activity

Share blit methods between BMP and RLE

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This commit is contained in:
Ted John
2020-06-03 01:49:42 +01:00
parent f16a46b872
commit 25581fa4ef
3 changed files with 73 additions and 144 deletions
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72
src/openrct2/drawing/Drawing.Sprite.BMP.cpp
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@@ -9,78 +9,6 @@
#include "Drawing.h"
template<DrawBlendOp TBlendOp> static bool FASTCALL BlitPixel(const uint8_t* src, uint8_t* dst, const PaletteMap& paletteMap)
{
if constexpr (TBlendOp & BLEND_TRANSPARENT)
{
// Ignore transparent pixels
if (*src == 0)
{
return false;
}
}
if constexpr (((TBlendOp & BLEND_SRC) != 0) && ((TBlendOp & BLEND_DST) != 0))
{
auto pixel = paletteMap.Blend(*src, *dst);
if constexpr (TBlendOp & BLEND_TRANSPARENT)
{
if (pixel == 0)
{
return false;
}
}
*dst = pixel;
return true;
}
else if constexpr ((TBlendOp & BLEND_SRC) != 0)
{
auto pixel = paletteMap[*src];
if constexpr (TBlendOp & BLEND_TRANSPARENT)
{
if (pixel == 0)
{
return false;
}
}
*dst = pixel;
return true;
}
else if constexpr ((TBlendOp & BLEND_DST) != 0)
{
auto pixel = paletteMap[*dst];
if constexpr (TBlendOp & BLEND_TRANSPARENT)
{
if (pixel == 0)
{
return false;
}
}
*dst = pixel;
return true;
}
else
{
*dst = *src;
return true;
}
}
template<DrawBlendOp TBlendOp>
static void FASTCALL BlitPixels(const uint8_t* src, uint8_t* dst, const PaletteMap& paletteMap, uint8_t zoom, size_t dstPitch)
{
auto yDstSkip = dstPitch - zoom;
for (uint8_t yy = 0; yy < zoom; yy++)
{
for (uint8_t xx = 0; xx < zoom; xx++)
{
BlitPixel<TBlendOp>(src, dst, paletteMap);
dst++;
}
dst += yDstSkip;
}
}
template<DrawBlendOp TBlendOp> static void FASTCALL DrawBMPSpriteMagnify(DrawSpriteArgs& args)
{
auto& g1 = args.SourceImage;

73
src/openrct2/drawing/Drawing.Sprite.RLE.cpp
View File

@@ -9,80 +9,9 @@
#include "Drawing.h"
#include <algorithm>
#include <cstring>
template<DrawBlendOp TBlendOp> static bool FASTCALL BlitPixel(const uint8_t* src, uint8_t* dst, const PaletteMap& paletteMap)
{
if constexpr (TBlendOp & BLEND_TRANSPARENT)
{
// Ignore transparent pixels
if (*src == 0)
{
return false;
}
}
if constexpr (((TBlendOp & BLEND_SRC) != 0) && ((TBlendOp & BLEND_DST) != 0))
{
auto pixel = paletteMap.Blend(*src, *dst);
if constexpr (TBlendOp & BLEND_TRANSPARENT)
{
if (pixel == 0)
{
return false;
}
}
*dst = pixel;
return true;
}
else if constexpr ((TBlendOp & BLEND_SRC) != 0)
{
auto pixel = paletteMap[*src];
if constexpr (TBlendOp & BLEND_TRANSPARENT)
{
if (pixel == 0)
{
return false;
}
}
*dst = pixel;
return true;
}
else if constexpr ((TBlendOp & BLEND_DST) != 0)
{
auto pixel = paletteMap[*dst];
if constexpr (TBlendOp & BLEND_TRANSPARENT)
{
if (pixel == 0)
{
return false;
}
}
*dst = pixel;
return true;
}
else
{
*dst = *src;
return true;
}
}
template<DrawBlendOp TBlendOp>
static void FASTCALL BlitPixels(const uint8_t* src, uint8_t* dst, const PaletteMap& paletteMap, uint8_t zoom, size_t dstPitch)
{
auto yDstSkip = dstPitch - zoom;
for (uint8_t yy = 0; yy < zoom; yy++)
{
for (uint8_t xx = 0; xx < zoom; xx++)
{
BlitPixel<TBlendOp>(src, dst, paletteMap);
dst++;
}
dst += yDstSkip;
}
}
template<DrawBlendOp TBlendOp, size_t TZoom> static void FASTCALL DrawRLESpriteMagnify(DrawSpriteArgs& args)
{
auto dpi = args.DPI;

72
src/openrct2/drawing/Drawing.h
View File

@@ -544,6 +544,78 @@ struct DrawSpriteArgs
}
};
template<DrawBlendOp TBlendOp> bool FASTCALL BlitPixel(const uint8_t* src, uint8_t* dst, const PaletteMap& paletteMap)
{
if constexpr (TBlendOp & BLEND_TRANSPARENT)
{
// Ignore transparent pixels
if (*src == 0)
{
return false;
}
}
if constexpr (((TBlendOp & BLEND_SRC) != 0) && ((TBlendOp & BLEND_DST) != 0))
{
auto pixel = paletteMap.Blend(*src, *dst);
if constexpr (TBlendOp & BLEND_TRANSPARENT)
{
if (pixel == 0)
{
return false;
}
}
*dst = pixel;
return true;
}
else if constexpr ((TBlendOp & BLEND_SRC) != 0)
{
auto pixel = paletteMap[*src];
if constexpr (TBlendOp & BLEND_TRANSPARENT)
{
if (pixel == 0)
{
return false;
}
}
*dst = pixel;
return true;
}
else if constexpr ((TBlendOp & BLEND_DST) != 0)
{
auto pixel = paletteMap[*dst];
if constexpr (TBlendOp & BLEND_TRANSPARENT)
{
if (pixel == 0)
{
return false;
}
}
*dst = pixel;
return true;
}
else
{
*dst = *src;
return true;
}
}
template<DrawBlendOp TBlendOp>
void FASTCALL BlitPixels(const uint8_t* src, uint8_t* dst, const PaletteMap& paletteMap, uint8_t zoom, size_t dstPitch)
{
auto yDstSkip = dstPitch - zoom;
for (uint8_t yy = 0; yy < zoom; yy++)
{
for (uint8_t xx = 0; xx < zoom; xx++)
{
BlitPixel<TBlendOp>(src, dst, paletteMap);
dst++;
}
dst += yDstSkip;
}
}
#define SPRITE_ID_PALETTE_COLOUR_1(colourId) (IMAGE_TYPE_REMAP | ((colourId) << 19))
#define SPRITE_ID_PALETTE_COLOUR_2(primaryId, secondaryId) \
(IMAGE_TYPE_REMAP_2_PLUS | IMAGE_TYPE_REMAP | (((primaryId) << 19) | ((secondaryId) << 24)))