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Add pdfioFileCreateOutput API (Issue #21)

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Michael R Sweet
2021-09-27 07:41:50 -04:00
parent 9f1cadf78b
commit d6746c08a4
10 changed files with 503 additions and 257 deletions
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3
pdfio.h
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@@ -74,6 +74,8 @@ typedef enum pdfio_filter_e // Compression/decompression filters for streams
PDFIO_FILTER_RUNLENGTH, // RunLengthDecode filter (reading only)
} pdfio_filter_t;
typedef struct _pdfio_obj_s pdfio_obj_t;// Numbered object in PDF file
typedef ssize_t (*pdfio_output_cb_t)(void *ctx, const void *data, size_t datalen);
// Output callback for pdfioFileCreateOutput
typedef struct pdfio_rect_s // PDF rectangle
{
double x1; // Lower-left X coordinate
@@ -156,6 +158,7 @@ extern bool pdfioFileClose(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern pdfio_file_t *pdfioFileCreate(const char *filename, const char *version, pdfio_rect_t *media_box, pdfio_rect_t *crop_box, pdfio_error_cb_t error_cb, void *error_data) _PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioFileCreateArrayObj(pdfio_file_t *pdf, pdfio_array_t *array) _PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioFileCreateObj(pdfio_file_t *pdf, pdfio_dict_t *dict) _PDFIO_PUBLIC;
extern pdfio_file_t *pdfioFileCreateOutput(pdfio_output_cb_t output_cb, void *output_ctx, const char *version, pdfio_rect_t *media_box, pdfio_rect_t *crop_box, pdfio_error_cb_t error_cb, void *error_data) _PDFIO_PUBLIC;
// TODO: Add number, array, string, etc. versions of pdfioFileCreateObject?
extern pdfio_stream_t *pdfioFileCreatePage(pdfio_file_t *pdf, pdfio_dict_t *dict) _PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioFileFindObj(pdfio_file_t *pdf, size_t number) _PDFIO_PUBLIC;