diff --git a/source/filter.cpp b/source/filter.cpp index 6661ac6..c0e2c5c 100644 --- a/source/filter.cpp +++ b/source/filter.cpp @@ -34,7 +34,8 @@ static uint16 RGBtoBright[1< void RenderHQ2X (uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height); -template void Scanlines (uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height); +template void RenderScale2X (uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height); +template void RenderTVMode (uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height); const char* GetFilterName (RenderFilter filterID) { @@ -45,7 +46,8 @@ const char* GetFilterName (RenderFilter filterID) case FILTER_HQ2X: return "hq2x"; case FILTER_HQ2XS: return "hq2x Soft"; case FILTER_HQ2XBOLD: return "hq2x Bold"; - case FILTER_SCANLINES: return "Scanlines"; + case FILTER_SCALE2X: return "Scale2x"; + case FILTER_TVMODE: return "TV Mode"; } } @@ -57,7 +59,8 @@ static TFilterMethod FilterToMethod (RenderFilter filterID) case FILTER_HQ2X: return RenderHQ2X; case FILTER_HQ2XS: return RenderHQ2X; case FILTER_HQ2XBOLD: return RenderHQ2X; - case FILTER_SCANLINES: return Scanlines; + case FILTER_SCALE2X: return RenderScale2X; + case FILTER_TVMODE: return RenderTVMode; default: return 0; } } @@ -72,7 +75,8 @@ int GetFilterScale(RenderFilter filterID) case FILTER_HQ2X: case FILTER_HQ2XS: case FILTER_HQ2XBOLD: - case FILTER_SCANLINES: + case FILTER_SCALE2X: + case FILTER_TVMODE: return 2; } } @@ -493,7 +497,34 @@ void RenderHQ2X (uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, } template -void Scanlines (uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) +void RenderScale2X (uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) +{ + unsigned int nextlineSrc = srcPitch / sizeof(uint16); + uint16 *p = (uint16 *)srcPtr; + + unsigned int nextlineDst = dstPitch / sizeof(uint16); + uint16 *q = (uint16 *)dstPtr; + + while (height--) { + for (int i = 0; i < width; ++i) { + uint16 B = *(p + i - nextlineSrc); + uint16 D = *(p + i - 1); + uint16 E = *(p + i); + uint16 F = *(p + i + 1); + uint16 H = *(p + i + nextlineSrc); + + *(q + (i << 1)) = D == B && B != F && D != H ? D : E; + *(q + (i << 1) + 1) = B == F && B != D && F != H ? F : E; + *(q + (i << 1) + nextlineDst) = D == H && D != B && H != F ? D : E; + *(q + (i << 1) + nextlineDst + 1) = H == F && D != H && B != F ? F : E; + } + p += nextlineSrc; + q += nextlineDst << 1; + } +} + +template +void RenderTVMode (uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) { unsigned int nextlineSrc = srcPitch / sizeof(uint16); uint16 *p = (uint16 *)srcPtr; diff --git a/source/filter.h b/source/filter.h index 6a00a38..9f99b43 100644 --- a/source/filter.h +++ b/source/filter.h @@ -26,7 +26,8 @@ enum RenderFilter{ FILTER_HQ2X, FILTER_HQ2XS, FILTER_HQ2XBOLD, - FILTER_SCANLINES, + FILTER_SCALE2X, + FILTER_TVMODE, NUM_FILTERS };