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Rework pdfioFileCreateImageObjFromData to have a separate alpha argument so

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that CMYK images can be supported.

Add unit tests.
This commit is contained in:
Michael R Sweet
2021-07-18 09:23:39 -04:00
parent 014c5dccba
commit 3e0507ba6c
3 changed files with 241 additions and 39 deletions
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2
pdfio-content.h
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@@ -147,7 +147,7 @@ extern bool pdfioContentTextShowJustified(pdfio_stream_t *st, bool unicode, siz
extern pdfio_obj_t *pdfioFileCreateFontObjFromBase(pdfio_file_t *pdf, const char *name) PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioFileCreateFontObjFromFile(pdfio_file_t *pdf, const char *filename, bool unicode) PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioFileCreateICCObjFromFile(pdfio_file_t *pdf, const char *filename, size_t num_colors) PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioFileCreateImageObjFromData(pdfio_file_t *pdf, const unsigned char *data, size_t width, size_t height, int num_colors, pdfio_array_t *color_data, bool interpolate) PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioFileCreateImageObjFromData(pdfio_file_t *pdf, const unsigned char *data, size_t width, size_t height, size_t num_colors, pdfio_array_t *color_data, bool alpha, bool interpolate) PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioFileCreateImageObjFromFile(pdfio_file_t *pdf, const char *filename, bool interpolate) PDFIO_PUBLIC;
// Image object helpers...