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Diffstat (limited to 'Build/source/libs/gd/libgd-src/examples/flip.c')
-rw-r--r--Build/source/libs/gd/libgd-src/examples/flip.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/Build/source/libs/gd/libgd-src/examples/flip.c b/Build/source/libs/gd/libgd-src/examples/flip.c
new file mode 100644
index 00000000000..2399457b81b
--- /dev/null
+++ b/Build/source/libs/gd/libgd-src/examples/flip.c
@@ -0,0 +1,75 @@
+/* $Id$ */
+#include "gd.h"
+#include <stdio.h>
+#include <stdlib.h>
+gdImagePtr loadImage(const char *name)
+{
+ FILE *fp;
+ gdImagePtr im;
+
+ fp = fopen(name, "rb");
+ if (!fp) {
+ fprintf(stderr, "Can't open jpeg file\n");
+ return NULL;
+ }
+
+ im = gdImageCreateFromJpeg(fp);
+ fclose(fp);
+ return im;
+}
+
+int savePngImage(gdImagePtr im, const char *name)
+{
+ FILE *fp;
+ fp = fopen(name, "wb");
+ if (!fp) {
+ fprintf(stderr, "Can't save png image fromtiff.png\n");
+ return 0;
+ }
+ gdImagePng(im, fp);
+ fclose(fp);
+ return 1;
+}
+
+int main(int argc, char **arg)
+{
+ gdImagePtr im;
+ int returncode = 0;
+
+ if (argc < 2) {
+ fprintf(stderr, "Usage: flip [filename.png]\n");
+ return 1;
+ }
+
+ im = loadImage(arg[1]);
+ if (!im) goto error;
+ gdImageFlipHorizontal(im);
+ if (!savePngImage(im, "flip_horizontal.png")) {
+ goto error;
+ }
+ gdImageDestroy(im);
+
+ im = loadImage(arg[1]);
+ if (!im) goto error;
+ gdImageFlipVertical(im);
+ if (!savePngImage(im, "flip_vertical.png")) {
+ goto error;
+ }
+ gdImageDestroy(im);
+
+ im = loadImage(arg[1]);
+ if (!im) goto error;
+ gdImageFlipBoth(im);
+ if (!savePngImage(im, "flip_both.png")) {
+ goto error;
+ }
+ gdImageDestroy(im);
+
+ goto done;
+
+error:
+ returncode = 1;
+
+done:
+ return returncode;
+}