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("Add 3 sets of images after setting 'first' on empty wand\n");
34 printf("Result shoud be: 678 345 012\n");
35
36 MagickWandGenesis();
37
38 wand = NewMagickWand();
39 input = NewMagickWand();
40
41 MagickSetFirstIterator(wand);
42
43 status = MagickReadImage(input, "font_0.gif" )
44 && MagickReadImage(input, "font_1.gif" )
45 && MagickReadImage(input, "font_2.gif" );
46 if (status == MagickFalse)
47 ThrowWandException(input);
48
49 status = MagickAddImage(wand, input);
50 if (status == MagickFalse)
51 ThrowWandException(wand);
52
53 ClearMagickWand(input);
54 status = MagickReadImage(input, "font_3.gif" )
55 && MagickReadImage(input, "font_4.gif" )
56 && MagickReadImage(input, "font_5.gif" );
57 if (status == MagickFalse)
58 ThrowWandException(input);
59
60 status = MagickAddImage(wand, input);
61 if (status == MagickFalse)
62 ThrowWandException(wand);
63
64 ClearMagickWand(input);
65 status = MagickReadImage(input, "font_6.gif" )
66 && MagickReadImage(input, "font_7.gif" )
67 && MagickReadImage(input, "font_8.gif" );
68 if (status == MagickFalse)
69 ThrowWandException(input);
70
71
72 status = MagickAddImage(wand, input);
73 if (status == MagickFalse)
74 ThrowWandException(wand);
75 input=DestroyMagickWand(input); /* finished */
76
77 /* append all images together to create the output wand */
78 MagickResetIterator(wand); /* append all images */
79 output = MagickAppendImages(wand,MagickFalse);
80 wand = DestroyMagickWand(wand); /* finished - could swap here */
81
82 /* Final output */
83 status = MagickWriteImage(output,"show:");
84 if (status == MagickFalse)
85 ThrowWandException(output);
86
87 output = DestroyMagickWand(output);
88
89 MagickWandTerminus();
90 }
91
92