diff options
Diffstat (limited to 'source/fitz/bitmap.c')
| -rw-r--r-- | source/fitz/bitmap.c | 64 |
1 files changed, 54 insertions, 10 deletions
diff --git a/source/fitz/bitmap.c b/source/fitz/bitmap.c index 9db6a1df..9780b1dd 100644 --- a/source/fitz/bitmap.c +++ b/source/fitz/bitmap.c @@ -326,21 +326,41 @@ pkm_write_header(fz_context *ctx, fz_band_writer *writer) void fz_write_bitmap_as_pbm(fz_context *ctx, fz_output *out, fz_bitmap *bitmap) { - fz_band_writer *writer = fz_new_pbm_band_writer(ctx, out); + fz_band_writer *writer; - fz_write_header(ctx, writer, bitmap->w, bitmap->h, 1, 0, 0, 0, 0); - fz_write_band(ctx, writer, bitmap->stride, bitmap->h, bitmap->samples); - fz_drop_band_writer(ctx, writer); + if (bitmap->n != 1) + fz_throw(ctx, FZ_ERROR_GENERIC, "bitmap must be monochrome to save as PBM"); + + writer = fz_new_pbm_band_writer(ctx, out); + fz_try(ctx) + { + fz_write_header(ctx, writer, bitmap->w, bitmap->h, 1, 0, 0, 0, 0); + fz_write_band(ctx, writer, bitmap->stride, bitmap->h, bitmap->samples); + } + fz_always(ctx) + fz_drop_band_writer(ctx, writer); + fz_catch(ctx) + fz_rethrow(ctx); } void fz_write_bitmap_as_pkm(fz_context *ctx, fz_output *out, fz_bitmap *bitmap) { - fz_band_writer *writer = fz_new_pkm_band_writer(ctx, out); + fz_band_writer *writer; + + if (bitmap->n != 4) + fz_throw(ctx, FZ_ERROR_GENERIC, "bitmap must be CMYK to save as PKM"); - fz_write_header(ctx, writer, bitmap->w, bitmap->h, 1, 0, 0, 0, 0); - fz_write_band(ctx, writer, bitmap->stride, bitmap->h, bitmap->samples); - fz_drop_band_writer(ctx, writer); + writer = fz_new_pkm_band_writer(ctx, out); + fz_try(ctx) + { + fz_write_header(ctx, writer, bitmap->w, bitmap->h, 4, 0, 0, 0, 0); + fz_write_band(ctx, writer, bitmap->stride, bitmap->h, bitmap->samples); + } + fz_always(ctx) + fz_drop_band_writer(ctx, writer); + fz_catch(ctx) + fz_rethrow(ctx); } static void @@ -421,7 +441,7 @@ fz_band_writer *fz_new_pkm_band_writer(fz_context *ctx, fz_output *out) } void -fz_save_bitmap_as_pbm(fz_context *ctx, fz_bitmap *bitmap, char *filename) +fz_save_bitmap_as_pbm(fz_context *ctx, fz_bitmap *bitmap, const char *filename) { fz_output *out = fz_new_output_with_path(ctx, filename, 0); fz_try(ctx) @@ -433,7 +453,7 @@ fz_save_bitmap_as_pbm(fz_context *ctx, fz_bitmap *bitmap, char *filename) } void -fz_save_bitmap_as_pkm(fz_context *ctx, fz_bitmap *bitmap, char *filename) +fz_save_bitmap_as_pkm(fz_context *ctx, fz_bitmap *bitmap, const char *filename) { fz_output *out = fz_new_output_with_path(ctx, filename, 0); fz_try(ctx) @@ -444,6 +464,30 @@ fz_save_bitmap_as_pkm(fz_context *ctx, fz_bitmap *bitmap, char *filename) fz_rethrow(ctx); } +void +fz_save_pixmap_as_pbm(fz_context *ctx, fz_pixmap *pixmap, const char *filename) +{ + fz_bitmap *bitmap = fz_new_bitmap_from_pixmap(ctx, pixmap, NULL); + fz_try(ctx) + fz_save_bitmap_as_pbm(ctx, bitmap, filename); + fz_always(ctx) + fz_drop_bitmap(ctx, bitmap); + fz_catch(ctx) + fz_rethrow(ctx); +} + +void +fz_save_pixmap_as_pkm(fz_context *ctx, fz_pixmap *pixmap, const char *filename) +{ + fz_bitmap *bitmap = fz_new_bitmap_from_pixmap(ctx, pixmap, NULL); + fz_try(ctx) + fz_save_bitmap_as_pkm(ctx, bitmap, filename); + fz_always(ctx) + fz_drop_bitmap(ctx, bitmap); + fz_catch(ctx) + fz_rethrow(ctx); +} + void fz_bitmap_details(fz_bitmap *bit, int *w, int *h, int *n, int *stride) { if (!bit) |