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Fix xref table - wrong total number of objects.

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Update pdfioContentDrawImage to take x/y offsets and sizes.
This commit is contained in:
Michael R Sweet
2021-05-28 22:05:44 -04:00
parent fb853dadda
commit 94cb915885
5 changed files with 86 additions and 23 deletions
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35
pdfio-content.c
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@@ -68,9 +68,13 @@ pdfioContentClip(
bool // O - `true` on success, `false` on failure
pdfioContentDrawImage(
pdfio_stream_t *st, // I - Stream
const char *name) // I - Image name
const char *name, // I - Image name
float x, // I - X offset of image
float y, // I - Y offset of image
float w, // I - Width of image
float h) // I - Height of image
{
return (pdfioStreamPrintf(st, "/%s Do\n", name));
return (pdfioStreamPrintf(st, "q %g 0 0 %g %g %g cm/%s Do Q\n", w, h, x, y, name));
}
@@ -962,7 +966,7 @@ pdfioFileCreateImageObject(
}
pdfioDictSetName(dict, "Type", "XObject");
pdfioDictSetName(dict, "SubType", "Image");
pdfioDictSetName(dict, "Subtype", "Image");
pdfioDictSetBoolean(dict, "Interpolate", interpolate);
obj = (copy_func)(dict, fd);
@@ -974,6 +978,28 @@ pdfioFileCreateImageObject(
}
//
// 'pdfioImageGetHeight()' - Get the height of an image object.
//
float // O - Height in lines
pdfioImageGetHeight(pdfio_obj_t *obj) // I - Image object
{
return (pdfioDictGetNumber(obj->value.value.dict, "Height"));
}
//
// 'pdfioImageGetWidth()' - Get the width of an image object.
//
float // O - Width in columns
pdfioImageGetWidth(pdfio_obj_t *obj) // I - Image object
{
return (pdfioDictGetNumber(obj->value.value.dict, "Width"));
}
//
// 'copy_gif()' - Copy a GIF image.
//
@@ -1094,7 +1120,8 @@ copy_jpeg(pdfio_dict_t *dict, // I - Dictionary
pdfioDictSetNumber(dict, "Width", width);
pdfioDictSetNumber(dict, "Height", height);
pdfioDictSetNumber(dict, "BitsPerComponent", 8);
pdfioDictSetName(dict, "ColorSpace", num_colors == 3 ? "CalRGB" : "CalGray");
// TODO: Add proper JPEG CalRGB/Gray color spaces
pdfioDictSetName(dict, "ColorSpace", num_colors == 3 ? "DeviceRGB" : "DeviceGray");
pdfioDictSetName(dict, "Filter", "DCTDecode");
obj = pdfioFileCreateObject(dict->pdf, dict);