1 #include <stdio.h>
2 #include <MagickWand/MagickWand.h>
3
4 /* Simplify the exception handling
5 * technically we should abort the program if
6 * severity >= ErrorException
7 */
ThrowWandException(MagickWand * wand)8 void ThrowWandException(MagickWand *wand)
9 { char
10 *description;
11
12 ExceptionType
13 severity;
14
15 description=MagickGetException(wand,&severity);
16 (void) fprintf(stderr,"%s %s %lu %s\n",GetMagickModule(),description);
17 description=(char *) MagickRelinquishMemory(description);
18 }
19
20 /* useful function especially after appending two wands together */
21 #define SwapWands(a,b) { MagickWand *tmp=a; a=b; b=tmp; }
22
main(int argc,char * argv[])23 int main(int argc, char *argv[])
24 {
25 MagickWand
26 *wand,
27 *input,
28 *output;
29
30 MagickBooleanType
31 status;
32
33 printf("Check prepend when using 'FirstIterator' on empty wand\n");
34 printf("Result shoud be: 3210\n");
35
36 MagickWandGenesis();
37
38 wand = NewMagickWand();
39
40 MagickSetFirstIterator(wand); /* set first iterator to empty wand */
41
42 status = MagickReadImage(wand, "font_0.gif" );
43 if (status == MagickFalse)
44 ThrowWandException(wand);
45
46 status = MagickReadImage(wand, "font_1.gif" );
47 if (status == MagickFalse)
48 ThrowWandException(wand);
49
50 status = MagickReadImage(wand, "font_2.gif" );
51 if (status == MagickFalse)
52 ThrowWandException(wand);
53
54 status = MagickReadImage(wand, "font_3.gif" );
55 if (status == MagickFalse)
56 ThrowWandException(wand);
57
58 /* append all images together to create the output wand */
59 MagickResetIterator(wand); /* append all images */
60 output = MagickAppendImages(wand,MagickFalse);
61 wand = DestroyMagickWand(wand); /* finished - could swap here */
62
63 /* Final output */
64 status = MagickWriteImage(output,"show:");
65 if (status == MagickFalse)
66 ThrowWandException(output);
67
68 output = DestroyMagickWand(output);
69
70 MagickWandTerminus();
71 }
72
73