aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--src/external/rgif.h40
1 files changed, 20 insertions, 20 deletions
diff --git a/src/external/rgif.h b/src/external/rgif.h
index 44ee13b3..13c7ff3e 100644
--- a/src/external/rgif.h
+++ b/src/external/rgif.h
@@ -32,7 +32,7 @@
*
* ALTERNATIVE A - MIT License
*
-* Copyright (c) 2017 Ramon Santamaria
+* Copyright (c) 2017-2019 Ramon Santamaria (@raysan5)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
@@ -76,8 +76,8 @@
*
**********************************************************************************************/
-#ifndef GIF_H
-#define GIF_H
+#ifndef RGIF_H
+#define RGIF_H
#include <stdio.h> // Required for: FILE
@@ -101,7 +101,7 @@ RGIFDEF bool GifBegin(const char *filename, unsigned int width, unsigned int hei
RGIFDEF bool GifWriteFrame(const unsigned char *image, unsigned int width, unsigned int height, unsigned int delay, int bitDepth, bool dither);
RGIFDEF bool GifEnd();
-#endif // GIF_H
+#endif // RGIF_H
/***********************************************************************************
@@ -116,23 +116,23 @@ RGIFDEF bool GifEnd();
#include <string.h> // Required for: memcpy()
// Define these macros to hook into a custom memory allocator.
-// GIF_TEMP_MALLOC and GIF_TEMP_FREE will only be called in stack fashion - frees in the reverse order of mallocs
+// RGIF_TEMP_MALLOC and RGIF_TEMP_FREE will only be called in stack fashion - frees in the reverse order of mallocs
// and any temp memory allocated by a function will be freed before it exits.
-#if !defined(GIF_TEMP_MALLOC)
+#if !defined(RGIF_TEMP_MALLOC)
#include <stdlib.h>
- #define GIF_TEMP_MALLOC malloc
- #define GIF_TEMP_FREE free
+ #define RGIF_TEMP_MALLOC malloc
+ #define RGIF_TEMP_FREE free
#endif
// Check if custom malloc/free functions defined, if not, using standard ones
-// GIF_MALLOC and GIF_FREE are used only by GifBegin and GifEnd respectively,
+// RGIF_MALLOC and RGIF_FREE are used only by GifBegin and GifEnd respectively,
// to allocate a buffer the size of the image, which is used to find changed pixels for delta-encoding.
-#if !defined(GIF_MALLOC)
+#if !defined(RGIF_MALLOC)
#include <stdlib.h> // Required for: malloc(), free()
- #define GIF_MALLOC(size) malloc(size)
- #define GIF_FREE(ptr) free(ptr)
+ #define RGIF_MALLOC(size) malloc(size)
+ #define RGIF_FREE(ptr) free(ptr)
#endif
//----------------------------------------------------------------------------------
@@ -223,7 +223,7 @@ RGIFDEF bool GifBegin(const char *filename, unsigned int width, unsigned int hei
if (!gifFile) return false;
// Allocate space for one gif frame
- gifFrame = (unsigned char *)GIF_MALLOC(width*height*4);
+ gifFrame = (unsigned char *)RGIF_MALLOC(width*height*4);
// GIF Header
fputs("GIF89a",gifFile);
@@ -300,7 +300,7 @@ RGIFDEF bool GifEnd()
fputc(0x3b, gifFile); // Trailer (end of file)
fclose(gifFile);
- GIF_FREE(gifFrame);
+ RGIF_FREE(gifFrame);
gifFile = NULL;
gifFrame = NULL;
@@ -589,7 +589,7 @@ static void GifMakePalette(const unsigned char *lastFrame, const unsigned char *
// SplitPalette is destructive (it sorts the pixels by color) so
// we must create a copy of the image for it to destroy
int imageSize = width*height*4*sizeof(unsigned char);
- unsigned char *destroyableImage = (unsigned char*)GIF_TEMP_MALLOC(imageSize);
+ unsigned char *destroyableImage = (unsigned char*)RGIF_TEMP_MALLOC(imageSize);
memcpy(destroyableImage, nextFrame, imageSize);
int numPixels = width*height;
@@ -602,7 +602,7 @@ static void GifMakePalette(const unsigned char *lastFrame, const unsigned char *
GifSplitPalette(destroyableImage, numPixels, 1, lastElt, splitElt, splitDist, 1, buildForDither, pPal);
- GIF_TEMP_FREE(destroyableImage);
+ RGIF_TEMP_FREE(destroyableImage);
// add the bottom node for the transparency index
pPal->treeSplit[1 << (bitDepth-1)] = 0;
@@ -619,7 +619,7 @@ static void GifDitherImage(const unsigned char *lastFrame, const unsigned char *
// quantPixels initially holds color*256 for all pixels
// The extra 8 bits of precision allow for sub-single-color error values
// to be propagated
- int *quantPixels = (int*)GIF_TEMP_MALLOC(sizeof(int)*numPixels*4);
+ int *quantPixels = (int*)RGIF_TEMP_MALLOC(sizeof(int)*numPixels*4);
for (int ii=0; ii<numPixels*4; ++ii)
{
@@ -717,7 +717,7 @@ static void GifDitherImage(const unsigned char *lastFrame, const unsigned char *
outFrame[ii] = quantPixels[ii];
}
- GIF_TEMP_FREE(quantPixels);
+ RGIF_TEMP_FREE(quantPixels);
}
// Picks palette colors for the image using simple thresholding, no dithering
@@ -857,7 +857,7 @@ static void GifWriteLzwImage(FILE *f, unsigned char *image, unsigned int left, u
fputc(minCodeSize, f); // min code size 8 bits
- GifLzwNode *codetree = (GifLzwNode *)GIF_TEMP_MALLOC(sizeof(GifLzwNode)*4096);
+ GifLzwNode *codetree = (GifLzwNode *)RGIF_TEMP_MALLOC(sizeof(GifLzwNode)*4096);
memset(codetree, 0, sizeof(GifLzwNode)*4096);
int curCode = -1;
@@ -931,7 +931,7 @@ static void GifWriteLzwImage(FILE *f, unsigned char *image, unsigned int left, u
fputc(0, f); // image block terminator
- GIF_TEMP_FREE(codetree);
+ RGIF_TEMP_FREE(codetree);
}
#endif // RGIF_IMPLEMENTATION