Renamed data types to standard names
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3d755d617a
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46
src/external/rgif.h
vendored
46
src/external/rgif.h
vendored
@ -150,7 +150,7 @@ typedef struct GifBitStatus {
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// The LZW dictionary is a 256-ary tree constructed
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// as the file is encoded, this is one node
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typedef struct GifLzwNode {
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uint16_t m_next[256];
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unsigned short m_next[256];
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} GifLzwNode;
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//----------------------------------------------------------------------------------
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@ -299,9 +299,9 @@ static void GifGetClosestPaletteColor(GifPalette *pPal, int r, int g, int b, int
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if (ind == gifTransparentIndex) return;
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// check whether this color is better than the current winner
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int r_err = r - ((int32_t)pPal->r[ind]);
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int g_err = g - ((int32_t)pPal->g[ind]);
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int b_err = b - ((int32_t)pPal->b[ind]);
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int r_err = r - ((int)pPal->r[ind]);
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int g_err = g - ((int)pPal->g[ind]);
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int b_err = b - ((int)pPal->b[ind]);
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int diff = GIFABS(r_err)+GIFABS(g_err)+GIFABS(b_err);
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if (diff < *bestDiff)
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@ -463,7 +463,7 @@ static void GifSplitPalette(unsigned char *image, int numPixels, int firstElt, i
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}
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// otherwise, take the average of all colors in this subcube
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uint64_t r=0, g=0, b=0;
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unsigned long long r=0, g=0, b=0;
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for (int ii=0; ii<numPixels; ++ii)
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{
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r += image[ii*4+0];
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@ -594,12 +594,12 @@ static void GifDitherImage(const unsigned char *lastFrame, const unsigned char *
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// quantPixels initially holds color*256 for all pixels
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// The extra 8 bits of precision allow for sub-single-color error values
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// to be propagated
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int32_t *quantPixels = (int32_t*)GIF_TEMP_MALLOC(sizeof(int32_t)*numPixels*4);
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int *quantPixels = (int*)GIF_TEMP_MALLOC(sizeof(int)*numPixels*4);
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for (int ii=0; ii<numPixels*4; ++ii)
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{
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unsigned char pix = nextFrame[ii];
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int32_t pix16 = (int32_t)pix*256;
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int pix16 = (int)pix*256;
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quantPixels[ii] = pix16;
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}
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@ -607,13 +607,13 @@ static void GifDitherImage(const unsigned char *lastFrame, const unsigned char *
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{
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for (unsigned int xx=0; xx<width; ++xx)
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{
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int32_t *nextPix = quantPixels + 4*(yy*width+xx);
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int *nextPix = quantPixels + 4*(yy*width+xx);
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const unsigned char *lastPix = lastFrame? lastFrame + 4*(yy*width+xx) : NULL;
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// Compute the colors we want (rounding to nearest)
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int32_t rr = (nextPix[0] + 127) / 256;
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int32_t gg = (nextPix[1] + 127) / 256;
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int32_t bb = (nextPix[2] + 127) / 256;
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int rr = (nextPix[0] + 127) / 256;
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int gg = (nextPix[1] + 127) / 256;
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int bb = (nextPix[2] + 127) / 256;
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// if it happens that we want the color from last frame, then just write out
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// a transparent pixel
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@ -629,16 +629,16 @@ static void GifDitherImage(const unsigned char *lastFrame, const unsigned char *
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continue;
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}
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int32_t bestDiff = 1000000;
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int32_t bestInd = gifTransparentIndex;
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int bestDiff = 1000000;
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int bestInd = gifTransparentIndex;
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// Search the palete
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GifGetClosestPaletteColor(pPal, rr, gg, bb, &bestInd, &bestDiff, 1);
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// Write the result to the temp buffer
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int32_t r_err = nextPix[0] - (int32_t)(pPal->r[bestInd])*256;
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int32_t g_err = nextPix[1] - (int32_t)(pPal->g[bestInd])*256;
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int32_t b_err = nextPix[2] - (int32_t)(pPal->b[bestInd])*256;
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int r_err = nextPix[0] - (int)(pPal->r[bestInd])*256;
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int g_err = nextPix[1] - (int)(pPal->g[bestInd])*256;
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int b_err = nextPix[2] - (int)(pPal->b[bestInd])*256;
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nextPix[0] = pPal->r[bestInd];
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nextPix[1] = pPal->g[bestInd];
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@ -654,7 +654,7 @@ static void GifDitherImage(const unsigned char *lastFrame, const unsigned char *
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if (quantloc_7 < numPixels)
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{
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int32_t *pix7 = quantPixels+4*quantloc_7;
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int *pix7 = quantPixels+4*quantloc_7;
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pix7[0] += GIFMAX(-pix7[0], r_err*7 / 16);
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pix7[1] += GIFMAX(-pix7[1], g_err*7 / 16);
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pix7[2] += GIFMAX(-pix7[2], b_err*7 / 16);
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@ -662,7 +662,7 @@ static void GifDitherImage(const unsigned char *lastFrame, const unsigned char *
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if (quantloc_3 < numPixels)
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{
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int32_t *pix3 = quantPixels+4*quantloc_3;
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int *pix3 = quantPixels+4*quantloc_3;
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pix3[0] += GIFMAX(-pix3[0], r_err*3 / 16);
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pix3[1] += GIFMAX(-pix3[1], g_err*3 / 16);
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pix3[2] += GIFMAX(-pix3[2], b_err*3 / 16);
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@ -670,7 +670,7 @@ static void GifDitherImage(const unsigned char *lastFrame, const unsigned char *
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if (quantloc_5 < numPixels)
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{
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int32_t *pix5 = quantPixels+4*quantloc_5;
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int *pix5 = quantPixels+4*quantloc_5;
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pix5[0] += GIFMAX(-pix5[0], r_err*5 / 16);
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pix5[1] += GIFMAX(-pix5[1], g_err*5 / 16);
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pix5[2] += GIFMAX(-pix5[2], b_err*5 / 16);
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@ -678,7 +678,7 @@ static void GifDitherImage(const unsigned char *lastFrame, const unsigned char *
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if (quantloc_1 < numPixels)
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{
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int32_t *pix1 = quantPixels+4*quantloc_1;
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int *pix1 = quantPixels+4*quantloc_1;
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pix1[0] += GIFMAX(-pix1[0], r_err / 16);
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pix1[1] += GIFMAX(-pix1[1], g_err / 16);
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pix1[2] += GIFMAX(-pix1[2], b_err / 16);
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@ -716,8 +716,8 @@ static void GifThresholdImage(const unsigned char *lastFrame, const unsigned cha
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else
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{
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// palettize the pixel
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int32_t bestDiff = 1000000;
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int32_t bestInd = 1;
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int bestDiff = 1000000;
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int bestInd = 1;
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GifGetClosestPaletteColor(pPal, nextFrame[0], nextFrame[1], nextFrame[2], &bestInd, &bestDiff, 1);
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// Write the resulting color to the output buffer
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@ -835,7 +835,7 @@ static void GifWriteLzwImage(FILE *f, unsigned char *image, unsigned int left, u
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GifLzwNode *codetree = (GifLzwNode *)GIF_TEMP_MALLOC(sizeof(GifLzwNode)*4096);
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memset(codetree, 0, sizeof(GifLzwNode)*4096);
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int32_t curCode = -1;
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int curCode = -1;
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unsigned int codeSize = minCodeSize + 1;
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unsigned int maxCode = clearCode + 1;
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