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#include <stdlib.h>
#include <stdint.h>
#include <time.h>
#include <string.h>
#include <stdio.h>
#include "cgif.h"
#define WIDTH 100
#define HEIGHT 100
/* This is an example code that creates a GIF-animation with two identical frames in sequence*/
int main(void) {
CGIF* pGIF;
CGIF_Config gConfig;
CGIF_FrameConfig fConfig;
uint8_t* pImageData;
uint8_t aPalette[] = {
0x00, 0x00, 0x00, // black
0xFF, 0xFF, 0xFF, // white
};
uint8_t numColors = 2; // number of colors in aPalette
cgif_result r;
//
// Create new GIF
//
memset(&gConfig, 0, sizeof(CGIF_Config));
memset(&fConfig, 0, sizeof(CGIF_FrameConfig));
gConfig.attrFlags = CGIF_ATTR_IS_ANIMATED;
gConfig.width = WIDTH;
gConfig.height = HEIGHT;
gConfig.pGlobalPalette = aPalette;
gConfig.numGlobalPaletteEntries = numColors;
gConfig.path = "duplicate_frames.gif";
pGIF = cgif_newgif(&gConfig);
if(pGIF == NULL) {
fputs("failed to create new GIF via cgif_newgif()\n", stderr);
return 1;
}
//
// Add frames to GIF
//
pImageData = malloc(WIDTH * HEIGHT); // Actual image data
memset(pImageData, 0, WIDTH * HEIGHT);
fConfig.pImageData = pImageData;
fConfig.delay = 100; // set time before next frame (in units of 0.01 s)
r = cgif_addframe(pGIF, &fConfig); // append the new frame
r = cgif_addframe(pGIF, &fConfig); // append the next frame
r = cgif_addframe(pGIF, &fConfig); // append the next frame
r = cgif_addframe(pGIF, &fConfig); // append the next frame
r = cgif_addframe(pGIF, &fConfig); // append the next frame
//
free(pImageData);
//
// free allocated space at the end of the session
r = cgif_close(pGIF);
// check for errors
if(r != CGIF_OK) {
fprintf(stderr, "failed to create GIF. error code: %d\n", r);
return 2;
}
return 0;
}
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