Date: Sun, 10 Nov 2019 21:08:04 +0000 (UTC) From: Antoine Brodin <antoine@FreeBSD.org> To: ports-committers@freebsd.org, svn-ports-all@freebsd.org, svn-ports-head@freebsd.org Subject: svn commit: r517226 - in head/graphics/exact-image: . files Message-ID: <201911102108.xAAL847W074709@repo.freebsd.org>
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Author: antoine Date: Sun Nov 10 21:08:04 2019 New Revision: 517226 URL: https://svnweb.freebsd.org/changeset/ports/517226 Log: According to giflib upstream, GifQuantizeBuffer was never documented and not part of official API Modified: head/graphics/exact-image/Makefile head/graphics/exact-image/files/patch-codecs__gif.cc Modified: head/graphics/exact-image/Makefile ============================================================================== --- head/graphics/exact-image/Makefile Sun Nov 10 20:59:48 2019 (r517225) +++ head/graphics/exact-image/Makefile Sun Nov 10 21:08:04 2019 (r517226) @@ -3,6 +3,7 @@ PORTNAME= exact-image PORTVERSION= 1.0.2 +PORTREVISION= 1 CATEGORIES= graphics perl5 python MASTER_SITES= https://dl.exactcode.de/oss/exact-image/ Modified: head/graphics/exact-image/files/patch-codecs__gif.cc ============================================================================== --- head/graphics/exact-image/files/patch-codecs__gif.cc Sun Nov 10 20:59:48 2019 (r517225) +++ head/graphics/exact-image/files/patch-codecs__gif.cc Sun Nov 10 21:08:04 2019 (r517226) @@ -1,9 +1,297 @@ ---- codecs/gif.cc.orig 2015-03-28 15:35:58 UTC +--- codecs/gif.cc.orig 2017-07-21 14:19:01 UTC +++ codecs/gif.cc -@@ -22,6 +22,24 @@ +@@ -22,6 +22,312 @@ #include <iostream> ++#define ABS(x) ((x) > 0 ? (x) : (-(x))) ++#define COLOR_ARRAY_SIZE 32768 ++#define BITS_PER_PRIM_COLOR 5 ++#define MAX_PRIM_COLOR 0x1f ++ ++static int SortRGBAxis; ++ ++typedef struct QuantizedColorType { ++ GifByteType RGB[3]; ++ GifByteType NewColorIndex; ++ long Count; ++ struct QuantizedColorType *Pnext; ++} QuantizedColorType; ++ ++typedef struct NewColorMapType { ++ GifByteType RGBMin[3], RGBWidth[3]; ++ unsigned int NumEntries; /* # of QuantizedColorType in linked list below */ ++ unsigned long Count; /* Total number of pixels in all the entries */ ++ QuantizedColorType *QuantizedColors; ++} NewColorMapType; ++ ++ ++/**************************************************************************** ++ * Routine called by qsort to compare two entries. ++ ****************************************************************************/ ++static int ++SortCmpRtn(const void *Entry1, ++ const void *Entry2) { ++ ++ return (*((QuantizedColorType **) Entry1))->RGB[SortRGBAxis] - ++ (*((QuantizedColorType **) Entry2))->RGB[SortRGBAxis]; ++} ++ ++/****************************************************************************** ++ * Routine to subdivide the RGB space recursively using median cut in each ++ * axes alternatingly until ColorMapSize different cubes exists. ++ * The biggest cube in one dimension is subdivide unless it has only one entry. ++ * Returns GIF_ERROR if failed, otherwise GIF_OK. ++ ******************************************************************************/ ++static int ++SubdivColorMap(NewColorMapType * NewColorSubdiv, ++ unsigned int ColorMapSize, ++ unsigned int *NewColorMapSize) { ++ ++ int MaxSize; ++ unsigned int i, j, Index = 0, NumEntries, MinColor, MaxColor; ++ long Sum, Count; ++ QuantizedColorType *QuantizedColor, **SortArray; ++ ++ while (ColorMapSize > *NewColorMapSize) { ++ /* Find candidate for subdivision: */ ++ MaxSize = -1; ++ for (i = 0; i < *NewColorMapSize; i++) { ++ for (j = 0; j < 3; j++) { ++ if ((((int)NewColorSubdiv[i].RGBWidth[j]) > MaxSize) && ++ (NewColorSubdiv[i].NumEntries > 1)) { ++ MaxSize = NewColorSubdiv[i].RGBWidth[j]; ++ Index = i; ++ SortRGBAxis = j; ++ } ++ } ++ } ++ ++ if (MaxSize == -1) ++ return GIF_OK; ++ ++ /* Split the entry Index into two along the axis SortRGBAxis: */ ++ ++ /* Sort all elements in that entry along the given axis and split at ++ * the median. */ ++ SortArray = (QuantizedColorType **)malloc( ++ sizeof(QuantizedColorType *) * ++ NewColorSubdiv[Index].NumEntries); ++ if (SortArray == NULL) ++ return GIF_ERROR; ++ for (j = 0, QuantizedColor = NewColorSubdiv[Index].QuantizedColors; ++ j < NewColorSubdiv[Index].NumEntries && QuantizedColor != NULL; ++ j++, QuantizedColor = QuantizedColor->Pnext) ++ SortArray[j] = QuantizedColor; ++ ++ qsort(SortArray, NewColorSubdiv[Index].NumEntries, ++ sizeof(QuantizedColorType *), SortCmpRtn); ++ ++ /* Relink the sorted list into one: */ ++ for (j = 0; j < NewColorSubdiv[Index].NumEntries - 1; j++) ++ SortArray[j]->Pnext = SortArray[j + 1]; ++ SortArray[NewColorSubdiv[Index].NumEntries - 1]->Pnext = NULL; ++ NewColorSubdiv[Index].QuantizedColors = QuantizedColor = SortArray[0]; ++ free((char *)SortArray); ++ ++ /* Now simply add the Counts until we have half of the Count: */ ++ Sum = NewColorSubdiv[Index].Count / 2 - QuantizedColor->Count; ++ NumEntries = 1; ++ Count = QuantizedColor->Count; ++ while (QuantizedColor->Pnext != NULL && ++ (Sum -= QuantizedColor->Pnext->Count) >= 0 && ++ QuantizedColor->Pnext->Pnext != NULL) { ++ QuantizedColor = QuantizedColor->Pnext; ++ NumEntries++; ++ Count += QuantizedColor->Count; ++ } ++ /* Save the values of the last color of the first half, and first ++ * of the second half so we can update the Bounding Boxes later. ++ * Also as the colors are quantized and the BBoxes are full 0..255, ++ * they need to be rescaled. ++ */ ++ MaxColor = QuantizedColor->RGB[SortRGBAxis]; /* Max. of first half */ ++ /* coverity[var_deref_op] */ ++ MinColor = QuantizedColor->Pnext->RGB[SortRGBAxis]; /* of second */ ++ MaxColor <<= (8 - BITS_PER_PRIM_COLOR); ++ MinColor <<= (8 - BITS_PER_PRIM_COLOR); ++ ++ /* Partition right here: */ ++ NewColorSubdiv[*NewColorMapSize].QuantizedColors = ++ QuantizedColor->Pnext; ++ QuantizedColor->Pnext = NULL; ++ NewColorSubdiv[*NewColorMapSize].Count = Count; ++ NewColorSubdiv[Index].Count -= Count; ++ NewColorSubdiv[*NewColorMapSize].NumEntries = ++ NewColorSubdiv[Index].NumEntries - NumEntries; ++ NewColorSubdiv[Index].NumEntries = NumEntries; ++ for (j = 0; j < 3; j++) { ++ NewColorSubdiv[*NewColorMapSize].RGBMin[j] = ++ NewColorSubdiv[Index].RGBMin[j]; ++ NewColorSubdiv[*NewColorMapSize].RGBWidth[j] = ++ NewColorSubdiv[Index].RGBWidth[j]; ++ } ++ NewColorSubdiv[*NewColorMapSize].RGBWidth[SortRGBAxis] = ++ NewColorSubdiv[*NewColorMapSize].RGBMin[SortRGBAxis] + ++ NewColorSubdiv[*NewColorMapSize].RGBWidth[SortRGBAxis] - MinColor; ++ NewColorSubdiv[*NewColorMapSize].RGBMin[SortRGBAxis] = MinColor; ++ ++ NewColorSubdiv[Index].RGBWidth[SortRGBAxis] = ++ MaxColor - NewColorSubdiv[Index].RGBMin[SortRGBAxis]; ++ ++ (*NewColorMapSize)++; ++ } ++ ++ return GIF_OK; ++} ++ ++/****************************************************************************** ++ * Quantize high resolution image into lower one. Input image consists of a ++ * 2D array for each of the RGB colors with size Width by Height. There is no ++ * Color map for the input. Output is a quantized image with 2D array of ++ * indexes into the output color map. ++ * Note input image can be 24 bits at the most (8 for red/green/blue) and ++ * the output has 256 colors at the most (256 entries in the color map.). ++ * ColorMapSize specifies size of color map up to 256 and will be updated to ++ * real size before returning. ++ * Also non of the parameter are allocated by this routine. ++ * This function returns GIF_OK if succesfull, GIF_ERROR otherwise. ++ ******************************************************************************/ ++static int ++QuantizeBuffer(unsigned int Width, ++ unsigned int Height, ++ int *ColorMapSize, ++ GifByteType * RedInput, ++ GifByteType * GreenInput, ++ GifByteType * BlueInput, ++ GifByteType * OutputBuffer, ++ GifColorType * OutputColorMap) { ++ ++ unsigned int Index, NumOfEntries; ++ int i, j, MaxRGBError[3]; ++ unsigned int NewColorMapSize; ++ long Red, Green, Blue; ++ NewColorMapType NewColorSubdiv[256]; ++ QuantizedColorType *ColorArrayEntries, *QuantizedColor; ++ ++ ColorArrayEntries = (QuantizedColorType *)malloc( ++ sizeof(QuantizedColorType) * COLOR_ARRAY_SIZE); ++ if (ColorArrayEntries == NULL) { ++ return GIF_ERROR; ++ } ++ ++ for (i = 0; i < COLOR_ARRAY_SIZE; i++) { ++ ColorArrayEntries[i].RGB[0] = i >> (2 * BITS_PER_PRIM_COLOR); ++ ColorArrayEntries[i].RGB[1] = (i >> BITS_PER_PRIM_COLOR) & ++ MAX_PRIM_COLOR; ++ ColorArrayEntries[i].RGB[2] = i & MAX_PRIM_COLOR; ++ ColorArrayEntries[i].Count = 0; ++ } ++ ++ /* Sample the colors and their distribution: */ ++ for (i = 0; i < (int)(Width * Height); i++) { ++ Index = ((RedInput[i] >> (8 - BITS_PER_PRIM_COLOR)) << ++ (2 * BITS_PER_PRIM_COLOR)) + ++ ((GreenInput[i] >> (8 - BITS_PER_PRIM_COLOR)) << ++ BITS_PER_PRIM_COLOR) + ++ (BlueInput[i] >> (8 - BITS_PER_PRIM_COLOR)); ++ ColorArrayEntries[Index].Count++; ++ } ++ ++ /* Put all the colors in the first entry of the color map, and call the ++ * recursive subdivision process. */ ++ for (i = 0; i < 256; i++) { ++ NewColorSubdiv[i].QuantizedColors = NULL; ++ NewColorSubdiv[i].Count = NewColorSubdiv[i].NumEntries = 0; ++ for (j = 0; j < 3; j++) { ++ NewColorSubdiv[i].RGBMin[j] = 0; ++ NewColorSubdiv[i].RGBWidth[j] = 255; ++ } ++ } ++ ++ /* Find the non empty entries in the color table and chain them: */ ++ for (i = 0; i < COLOR_ARRAY_SIZE; i++) ++ if (ColorArrayEntries[i].Count > 0) ++ break; ++ QuantizedColor = NewColorSubdiv[0].QuantizedColors = &ColorArrayEntries[i]; ++ NumOfEntries = 1; ++ while (++i < COLOR_ARRAY_SIZE) ++ if (ColorArrayEntries[i].Count > 0) { ++ QuantizedColor->Pnext = &ColorArrayEntries[i]; ++ QuantizedColor = &ColorArrayEntries[i]; ++ NumOfEntries++; ++ } ++ QuantizedColor->Pnext = NULL; ++ ++ NewColorSubdiv[0].NumEntries = NumOfEntries; /* Different sampled colors */ ++ NewColorSubdiv[0].Count = ((long)Width) * Height; /* Pixels */ ++ NewColorMapSize = 1; ++ if (SubdivColorMap(NewColorSubdiv, *ColorMapSize, &NewColorMapSize) != ++ GIF_OK) { ++ free((char *)ColorArrayEntries); ++ return GIF_ERROR; ++ } ++ if (NewColorMapSize < *ColorMapSize) { ++ /* And clear rest of color map: */ ++ for (i = NewColorMapSize; i < *ColorMapSize; i++) ++ OutputColorMap[i].Red = OutputColorMap[i].Green = ++ OutputColorMap[i].Blue = 0; ++ } ++ ++ /* Average the colors in each entry to be the color to be used in the ++ * output color map, and plug it into the output color map itself. */ ++ for (i = 0; i < NewColorMapSize; i++) { ++ if ((j = NewColorSubdiv[i].NumEntries) > 0) { ++ QuantizedColor = NewColorSubdiv[i].QuantizedColors; ++ Red = Green = Blue = 0; ++ while (QuantizedColor) { ++ QuantizedColor->NewColorIndex = i; ++ Red += QuantizedColor->RGB[0]; ++ Green += QuantizedColor->RGB[1]; ++ Blue += QuantizedColor->RGB[2]; ++ QuantizedColor = QuantizedColor->Pnext; ++ } ++ OutputColorMap[i].Red = (Red << (8 - BITS_PER_PRIM_COLOR)) / j; ++ OutputColorMap[i].Green = (Green << (8 - BITS_PER_PRIM_COLOR)) / j; ++ OutputColorMap[i].Blue = (Blue << (8 - BITS_PER_PRIM_COLOR)) / j; ++ } else ++ fprintf(stderr, ++ "\n%s: Null entry in quantized color map - that's weird.\n", ++ "libgdiplus"); ++ } ++ ++ /* Finally scan the input buffer again and put the mapped index in the ++ * output buffer. */ ++ MaxRGBError[0] = MaxRGBError[1] = MaxRGBError[2] = 0; ++ for (i = 0; i < (int)(Width * Height); i++) { ++ Index = ((RedInput[i] >> (8 - BITS_PER_PRIM_COLOR)) << ++ (2 * BITS_PER_PRIM_COLOR)) + ++ ((GreenInput[i] >> (8 - BITS_PER_PRIM_COLOR)) << ++ BITS_PER_PRIM_COLOR) + ++ (BlueInput[i] >> (8 - BITS_PER_PRIM_COLOR)); ++ Index = ColorArrayEntries[Index].NewColorIndex; ++ OutputBuffer[i] = Index; ++ if (MaxRGBError[0] < ABS(OutputColorMap[Index].Red - RedInput[i])) ++ MaxRGBError[0] = ABS(OutputColorMap[Index].Red - RedInput[i]); ++ if (MaxRGBError[1] < ABS(OutputColorMap[Index].Green - GreenInput[i])) ++ MaxRGBError[1] = ABS(OutputColorMap[Index].Green - GreenInput[i]); ++ if (MaxRGBError[2] < ABS(OutputColorMap[Index].Blue - BlueInput[i])) ++ MaxRGBError[2] = ABS(OutputColorMap[Index].Blue - BlueInput[i]); ++ } ++ ++#ifdef DEBUG ++ fprintf(stderr, ++ "Quantization L(0) errors: Red = %d, Green = %d, Blue = %d.\n", ++ MaxRGBError[0], MaxRGBError[1], MaxRGBError[2]); ++#endif /* DEBUG */ ++ ++ free((char *)ColorArrayEntries); ++ ++ *ColorMapSize = NewColorMapSize; ++ ++ return GIF_OK; ++} ++ +#if GIFLIB_MAJOR >= 5 +void ExactImagePrintGifError(int ErrorCode) +#else @@ -25,7 +313,7 @@ /* The way Interlaced image should. */ static const int InterlacedOffset[] = { 0, 4, 2, 1 }; -@@ -60,9 +78,13 @@ int GIFCodec::readImage (std::istream* stream, Image& +@@ -60,9 +366,13 @@ int GIFCodec::readImage (std::istream* s ColorMapObject *ColorMap = 0; int GifError, ExtCode; @@ -40,7 +328,7 @@ return false; } -@@ -74,7 +96,11 @@ int GIFCodec::readImage (std::istream* stream, Image& +@@ -74,7 +384,11 @@ int GIFCodec::readImage (std::istream* s /* Scan the content of the GIF file and load the image(s) in: */ do { if (DGifGetRecordType(GifFile, &RecordType) == GIF_ERROR) { @@ -53,7 +341,7 @@ return false; } -@@ -83,7 +109,11 @@ int GIFCodec::readImage (std::istream* stream, Image& +@@ -83,7 +397,11 @@ int GIFCodec::readImage (std::istream* s switch (RecordType) { case IMAGE_DESC_RECORD_TYPE: if (DGifGetImageDesc(GifFile) == GIF_ERROR) { @@ -66,7 +354,7 @@ return false; } -@@ -104,7 +134,11 @@ int GIFCodec::readImage (std::istream* stream, Image& +@@ -104,7 +422,11 @@ int GIFCodec::readImage (std::istream* s j += InterlacedJumps[i]) { if (DGifGetLine(GifFile, &image.getRawData()[j*image.stride()+Col], Width) == GIF_ERROR) { @@ -79,7 +367,7 @@ return false; } } -@@ -113,7 +147,11 @@ int GIFCodec::readImage (std::istream* stream, Image& +@@ -113,7 +435,11 @@ int GIFCodec::readImage (std::istream* s for (int i = 0; i < Height; ++i) { if (DGifGetLine(GifFile, &image.getRawData()[Row++ * image.stride()+Col], Width) == GIF_ERROR) { @@ -92,7 +380,7 @@ return false; } } -@@ -122,12 +160,20 @@ int GIFCodec::readImage (std::istream* stream, Image& +@@ -122,12 +448,20 @@ int GIFCodec::readImage (std::istream* s case EXTENSION_RECORD_TYPE: /* Skip any extension blocks in file: */ if (DGifGetExtension(GifFile, &ExtCode, &Extension) == GIF_ERROR) { @@ -115,7 +403,7 @@ return false; } } -@@ -155,7 +201,11 @@ int GIFCodec::readImage (std::istream* stream, Image& +@@ -155,7 +489,11 @@ int GIFCodec::readImage (std::istream* s // convert colormap to our 16bit "TIFF"format colorspace_de_palette (image, ColorMap->ColorCount, rmap, gmap, bmap); @@ -127,7 +415,7 @@ return true; } -@@ -167,7 +217,11 @@ bool GIFCodec::writeImage (std::ostream* stream, Image +@@ -167,7 +505,11 @@ bool GIFCodec::writeImage (std::ostream* GifByteType* Ptr; int GifError; @@ -139,7 +427,7 @@ { std::cerr << "Error preparing GIF file for writing." << std::endl; return false; -@@ -176,7 +230,11 @@ bool GIFCodec::writeImage (std::ostream* stream, Image +@@ -176,7 +518,11 @@ bool GIFCodec::writeImage (std::ostream* int ColorMapSize = 256; // later use our own colormap generation @@ -151,19 +439,16 @@ if (!OutputColorMap) return false; -@@ -204,7 +262,11 @@ bool GIFCodec::writeImage (std::ostream* stream, Image +@@ -204,7 +550,7 @@ bool GIFCodec::writeImage (std::ostream* } -+#if GIFLIB_MAJOR >= 5 - if (GifQuantizeBuffer(image.w, image.h, &ColorMapSize, -+#else +- if (GifQuantizeBuffer(image.w, image.h, &ColorMapSize, + if (QuantizeBuffer(image.w, image.h, &ColorMapSize, -+#endif RedBuffer, GreenBuffer, BlueBuffer, OutputBuffer, OutputColorMap->Colors) == GIF_ERROR) { return false; -@@ -235,7 +297,11 @@ bool GIFCodec::writeImage (std::ostream* stream, Image +@@ -235,7 +581,11 @@ bool GIFCodec::writeImage (std::ostream* delete[] RedBuffer; delete[] GreenBuffer; delete[] BlueBuffer;
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