int barcode_to_png (char *image_name) {
MagickWand *magick_wand;
MagickBooleanType status;
int width, height, pad, half_pad;
/* read a barcode image */
MagickWandGenesis();
magick_wand = NewMagickWand();
MagickSetResolution(magick_wand, 300, 300);
status = MagickReadImage(magick_wand, image_name);
if (status == MagickFalse) ThrowWandException(magick_wand, 1);
/* trim the image, resample it, and pad it by [10% of the long side] per side */
MagickTrimImage(magick_wand, 10);
width = MagickGetImageWidth(magick_wand);
height = MagickGetImageHeight(magick_wand);
pad = determine_padding(width, height);
half_pad = round(pad/2);
MagickExtentImage(magick_wand, width+pad, height+pad, -half_pad, -half_pad);
/* write image (a PNG version and a formatted PS version) */
status=MagickWriteImage(magick_wand, chop_path(image_name, ".png"));
if (status == MagickFalse) ThrowWandException(magick_wand, 2);
status=MagickWriteImage(magick_wand, chop_path(image_name, ".ps"));
if (status == MagickFalse) ThrowWandException(magick_wand, 2);
/* clean up */
magick_wand=DestroyMagickWand(magick_wand);
MagickWandTerminus();
return 0;
}
static zend_bool _php_zbarcode_read(MagickWand *wand, char *filename, long enhance)
{
if (enhance & PHP_ZBARCODE_RESOLUTION) {
MagickSetResolution(wand, 200, 200);
}
if (MagickReadImage(wand, filename) == MagickFalse) {
ClearMagickWand(wand);
return 0;
}
if (enhance & PHP_ZBARCODE_ENHANCE) {
MagickEnhanceImage(wand);
}
if (enhance & PHP_ZBARCODE_SHARPEN) {
MagickSharpenImage(wand, 0, 0.5);
}
return 1;
}
int convert_density (MagickWand *input, convert_t* opts) {
if (!opts->density) return MagickPass;
return MagickSetResolution(input, opts->density, opts->density);
}
