diff options
Diffstat (limited to 'source/gprf')
| -rw-r--r-- | source/gprf/gprf-doc.c | 4 | ||||
| -rw-r--r-- | source/gprf/gprf-skeleton.c | 61 |
2 files changed, 63 insertions, 2 deletions
diff --git a/source/gprf/gprf-doc.c b/source/gprf/gprf-doc.c index d9cd2938..bcd631ad 100644 --- a/source/gprf/gprf-doc.c +++ b/source/gprf/gprf-doc.c @@ -215,7 +215,7 @@ static inline unsigned char *cmyk_to_rgba(unsigned char *out, uint32_t c, uint32 g += (CONST16(0.2119) * x)>>16; b += (CONST16(0.2235) * x)>>16; #else - k = 63356 - k; + k = 65536 - k; r = k - c; g = k - m; b = k - y; @@ -275,7 +275,7 @@ gprf_get_pixmap(fz_context *ctx, fz_image *image_, int w, int h, int *l2factor) fz_try(ctx) { - /* First off, figure out of we are doing RGB or separations + /* First off, figure out if we are doing RGB or separations * decoding. */ num_seps = 3 + fz_count_separations(ctx, image->separations); if (fz_separations_all_enabled(ctx, image->separations)) diff --git a/source/gprf/gprf-skeleton.c b/source/gprf/gprf-skeleton.c new file mode 100644 index 00000000..e17c3e21 --- /dev/null +++ b/source/gprf/gprf-skeleton.c @@ -0,0 +1,61 @@ +#include "mupdf/fitz.h" + +void +fz_write_gproof_file(fz_context *ctx, const char *pdf_file, fz_document *doc, const char *filename, int res) +{ + int i; + int num_pages = fz_count_pages(ctx, doc); + fz_output *out; + fz_page *page = NULL; + + fz_var(page); + + if (num_pages <= 0) + fz_throw(ctx, FZ_ERROR_GENERIC, "Cannot write a 0 page GProof skeleton file"); + + out = fz_new_output_to_filename(ctx, filename); + + fz_try(ctx) + { + /* File Signature: GPRO */ + fz_write_int32le(ctx, out, 0x4f525047); + + /* Version = 1 */ + fz_write_byte(ctx, out, 1); + fz_write_byte(ctx, out, 0); + + /* Resolution */ + fz_write_int32le(ctx, out, res); + + /* Num Pages */ + fz_write_int32le(ctx, out, num_pages); + + for (i = 0; i < num_pages; i++) + { + fz_rect rect; + int w, h; + + page = fz_load_page(ctx, doc, i); + fz_bound_page(ctx, page, &rect); + fz_drop_page(ctx, page); + page = NULL; + + w = (int)((rect.x1 - rect.x0) * res / 72.0 + 0.5); + h = (int)((rect.y1 - rect.y0) * res / 72.0 + 0.5); + fz_write_int32le(ctx, out, w); + fz_write_int32le(ctx, out, h); + } + + /* Filename */ + fz_write(ctx, out, pdf_file, strlen(pdf_file)+1); + } + fz_always(ctx) + { + fz_drop_page(ctx, page); + fz_drop_output(ctx, out); + } + fz_catch(ctx) + { + fz_rethrow(ctx); + } +} |