int convert_adjoin (MagickWand *input, MagickWand **output, convert_t *opts) {
unsigned long pages = MagickGetNumberImages(input);
uint32_t start = opts->page_start;
uint32_t end = opts->page_end;
if (pages < 2 || opts->format == INFO) return MagickPass;
if (end && end < pages) {
if (convert_remove_range(input, end, pages) != MagickPass) return MagickFail;
pages = end;
}
if (start && pages) {
start = MIN(start-1, pages);
if (convert_remove_range(input, 0, start) != MagickPass) return MagickFail;
pages -= start;
}
if (!pages) return MagickFail;
if (!opts->split) {
MagickResetIterator(input);
input = MagickAppendImages(input, 1);
}
*output = input;
if (*output == NULL) return MagickFail;
if (opts->scale_height && !(opts->scale_options & MULTIPAGE)) opts->scale_height *= pages;
return MagickPass;
}
int main(int argc, char *argv[])
{
MagickWand
*wand,
*input,
*output;
MagickBooleanType
status;
printf("Add 3 sets of images after setting 'first' on empty wand\n");
printf("Result shoud be: 678 345 012\n");
MagickWandGenesis();
wand = NewMagickWand();
input = NewMagickWand();
MagickSetFirstIterator(wand);
status = MagickReadImage(input, "font_0.gif" )
&& MagickReadImage(input, "font_1.gif" )
&& MagickReadImage(input, "font_2.gif" );
if (status == MagickFalse)
ThrowWandException(input);
status = MagickAddImage(wand, input);
if (status == MagickFalse)
ThrowWandException(wand);
ClearMagickWand(input);
status = MagickReadImage(input, "font_3.gif" )
&& MagickReadImage(input, "font_4.gif" )
&& MagickReadImage(input, "font_5.gif" );
if (status == MagickFalse)
ThrowWandException(input);
status = MagickAddImage(wand, input);
if (status == MagickFalse)
ThrowWandException(wand);
ClearMagickWand(input);
status = MagickReadImage(input, "font_6.gif" )
&& MagickReadImage(input, "font_7.gif" )
&& MagickReadImage(input, "font_8.gif" );
if (status == MagickFalse)
ThrowWandException(input);
status = MagickAddImage(wand, input);
if (status == MagickFalse)
ThrowWandException(wand);
input=DestroyMagickWand(input); /* finished */
/* append all images together to create the output wand */
MagickResetIterator(wand); /* append all images */
output = MagickAppendImages(wand,MagickFalse);
wand = DestroyMagickWand(wand); /* finished - could swap here */
/* Final output */
status = MagickWriteImage(output,"show:");
if (status == MagickFalse)
ThrowWandException(output);
output = DestroyMagickWand(output);
MagickWandTerminus();
}
