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73 lines
1.8 KiB
73 lines
1.8 KiB
4 months ago
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#include <stdio.h>
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#include <MagickWand/MagickWand.h>
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/* Simplify the exception handling
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* technically we should abort the program if
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* severity >= ErrorException
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*/
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void ThrowWandException(MagickWand *wand)
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{ char
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*description;
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ExceptionType
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severity;
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description=MagickGetException(wand,&severity);
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(void) fprintf(stderr,"%s %s %lu %s\n",GetMagickModule(),description);
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description=(char *) MagickRelinquishMemory(description);
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}
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/* useful function especially after appending two wands together */
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#define SwapWands(a,b) { MagickWand *tmp=a; a=b; b=tmp; }
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int main(int argc, char *argv[])
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{
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MagickWand
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*wand,
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*input,
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*output;
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MagickBooleanType
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status;
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printf("Check prepend when using 'FirstIterator' on empty wand\n");
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printf("Result shoud be: 3210\n");
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MagickWandGenesis();
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wand = NewMagickWand();
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MagickSetFirstIterator(wand); /* set first iterator to empty wand */
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status = MagickReadImage(wand, "font_0.gif" );
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if (status == MagickFalse)
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ThrowWandException(wand);
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status = MagickReadImage(wand, "font_1.gif" );
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if (status == MagickFalse)
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ThrowWandException(wand);
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status = MagickReadImage(wand, "font_2.gif" );
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if (status == MagickFalse)
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ThrowWandException(wand);
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status = MagickReadImage(wand, "font_3.gif" );
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if (status == MagickFalse)
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ThrowWandException(wand);
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/* append all images together to create the output wand */
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MagickResetIterator(wand); /* append all images */
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output = MagickAppendImages(wand,MagickFalse);
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wand = DestroyMagickWand(wand); /* finished - could swap here */
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/* Final output */
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status = MagickWriteImage(output,"show:");
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if (status == MagickFalse)
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ThrowWandException(output);
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output = DestroyMagickWand(output);
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MagickWandTerminus();
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}
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