Gecko [ nrupathungauniversityblr.ac.in ]

Name	Size	Permission
CMakeLists.txt	1 KB	-rwxr-xr-x
arc.c	591 B	-rwxr-xr-x
copyrotated.c	1.81 KB	-rwxr-xr-x
crop.c	1.31 KB	-rwxr-xr-x
flip.c	1.18 KB	-rwxr-xr-x
gif.c	1.01 KB	-rwxr-xr-x
nnquant.c	1.15 KB	-rwxr-xr-x
noIcon.pic	62 KB	-rwxr-xr-x
noIcon.sgi	65.04 KB	-rwxr-xr-x
noIcon.tga	150.08 KB	-rwxr-xr-x
noIconAlpha.tga	150.08 KB	-rwxr-xr-x
resize.c	1.02 KB	-rwxr-xr-x
test_crop_threshold.png	7.73 KB	-rwxr-xr-x
tgaread.c	975 B	-rwxr-xr-x
tiffread.c	1.11 KB	-rwxr-xr-x
windows.c	7.3 KB	-rwxr-xr-x

Code Editor : crop.c

/* $Id$ */

#include "gd.h"
#include <stdio.h>
#include <stdlib.h>

void save_png(gdImagePtr im, const char *filename)
{
	FILE *fp;
	fp = fopen(filename, "wb");
	if (!fp) {
		fprintf(stderr, "Can't save png image %s\n", filename);
		return;
	}
#ifdef HAVE_LIBPNG
	gdImagePng(im, fp);
#else
	printf("No PNG support. Cannot save image.\n");
#endif
	fclose(fp);
}

gdImagePtr read_png(const char *filename)
{
	FILE * fp;
	gdImagePtr im;

fp = fopen(filename, "rb");
	if (!fp) {
		fprintf(stderr, "Can't read png image %s\n", filename);
		return NULL;
	}
#ifdef HAVE_LIBPNG
	im = gdImageCreateFromPng(fp);
#else
	im = NULL;
	printf("No PNG support. Cannot read image.\n");
#endif
	fclose(fp);
	return im;
}

int main()
{
	gdImagePtr im, im2;

im = gdImageCreateTrueColor(400, 400);

if (!im) {
		fprintf(stderr, "Can't create 400x400 TC image\n");
		return 1;
	}

gdImageFilledRectangle(im, 19, 29, 390, 390, 0xFFFFFF);
	gdImageRectangle(im, 19, 29, 390, 390, 0xFF0000);
	save_png(im, "a1.png");

im2 = gdImageCropAuto(im, GD_CROP_SIDES);
	if (im2) {
		save_png(im2, "a2.png");
		gdImageDestroy(im2);
	}
	gdImageDestroy(im);

im = read_png("test_crop_threshold.png");
	if (!im) {
		return 1;
	}

im2 = gdImageCropThreshold(im, 0xFFFFFF, 0.6);
	if (im2) {
		save_png(im2, "a4.png");
		gdImageDestroy(im2);
	}

gdImageDestroy(im);
	return 0;
}

${this.title}

Code Editor : crop.c