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author | Tor Andersson <tor.andersson@artifex.com> | 2018-04-26 14:43:22 +0200 |
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committer | Sebastian Rasmussen <sebras@gmail.com> | 2018-04-27 20:12:31 +0800 |
commit | 229761e8b7e8685620cf4c038d848bccd563aa12 (patch) | |
tree | 6c4d946d48201d2553fba98af07947546f1e8dc9 /source/cbz/mutiff.c | |
parent | bc3cb253d79c03e373631eb7bc53da7a12365656 (diff) | |
download | mupdf-229761e8b7e8685620cf4c038d848bccd563aa12.tar.xz |
Handle multi-page image formats in muimg document driver.
Remove the mutiff document type.
Diffstat (limited to 'source/cbz/mutiff.c')
-rw-r--r-- | source/cbz/mutiff.c | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/source/cbz/mutiff.c b/source/cbz/mutiff.c deleted file mode 100644 index b6500159..00000000 --- a/source/cbz/mutiff.c +++ /dev/null @@ -1,175 +0,0 @@ -#include "mupdf/fitz.h" - -#include <string.h> - -typedef struct tiff_document_s tiff_document; -typedef struct tiff_page_s tiff_page; - -#define DPI 72.0f - -struct tiff_page_s -{ - fz_page super; - fz_image *image; -}; - -struct tiff_document_s -{ - fz_document super; - fz_buffer *buffer; - int page_count; -}; - -static fz_rect * -tiff_bound_page(fz_context *ctx, fz_page *page_, fz_rect *bbox) -{ - tiff_page *page = (tiff_page*)page_; - fz_image *image = page->image; - int xres, yres; - - fz_image_resolution(image, &xres, &yres); - bbox->x0 = bbox->y0 = 0; - bbox->x1 = image->w * DPI / xres; - bbox->y1 = image->h * DPI / yres; - return bbox; -} - -static void -tiff_run_page(fz_context *ctx, fz_page *page_, fz_device *dev, const fz_matrix *ctm, fz_cookie *cookie) -{ - tiff_page *page = (tiff_page*)page_; - fz_matrix local_ctm = *ctm; - fz_image *image = page->image; - int xres, yres; - float w, h; - - fz_image_resolution(image, &xres, &yres); - w = image->w * DPI / xres; - h = image->h * DPI / yres; - fz_pre_scale(&local_ctm, w, h); - fz_fill_image(ctx, dev, image, &local_ctm, 1, NULL); -} - -static void -tiff_drop_page(fz_context *ctx, fz_page *page_) -{ - tiff_page *page = (tiff_page*)page_; - fz_drop_image(ctx, page->image); -} - -static fz_page * -tiff_load_page(fz_context *ctx, fz_document *doc_, int number) -{ - tiff_document *doc = (tiff_document*)doc_; - fz_pixmap *pixmap = NULL; - fz_image *image = NULL; - tiff_page *page = NULL; - - if (number < 0 || number >= doc->page_count) - return NULL; - - fz_var(pixmap); - fz_var(image); - fz_var(page); - - fz_try(ctx) - { - size_t len; - unsigned char *data; - len = fz_buffer_storage(ctx, doc->buffer, &data); - pixmap = fz_load_tiff_subimage(ctx, data, len, number); - image = fz_new_image_from_pixmap(ctx, pixmap, NULL); - - page = fz_new_derived_page(ctx, tiff_page); - page->super.bound_page = tiff_bound_page; - page->super.run_page_contents = tiff_run_page; - page->super.drop_page = tiff_drop_page; - page->image = fz_keep_image(ctx, image); - } - fz_always(ctx) - { - fz_drop_image(ctx, image); - fz_drop_pixmap(ctx, pixmap); - } - fz_catch(ctx) - { - fz_free(ctx, page); - fz_rethrow(ctx); - } - - return (fz_page*)page; -} - -static int -tiff_count_pages(fz_context *ctx, fz_document *doc_) -{ - tiff_document *doc = (tiff_document*)doc_; - return doc->page_count; -} - -static int -tiff_lookup_metadata(fz_context *ctx, fz_document *doc_, const char *key, char *buf, int size) -{ - if (!strcmp(key, "format")) - return (int)fz_strlcpy(buf, "TIFF", size); - return -1; -} - -static void -tiff_drop_document(fz_context *ctx, fz_document *doc_) -{ - tiff_document *doc = (tiff_document*)doc_; - fz_drop_buffer(ctx, doc->buffer); -} - -static fz_document * -tiff_open_document_with_stream(fz_context *ctx, fz_stream *file) -{ - tiff_document *doc; - - doc = fz_new_derived_document(ctx, tiff_document); - - doc->super.drop_document = tiff_drop_document; - doc->super.count_pages = tiff_count_pages; - doc->super.load_page = tiff_load_page; - doc->super.lookup_metadata = tiff_lookup_metadata; - - fz_try(ctx) - { - size_t len; - unsigned char *data; - doc->buffer = fz_read_all(ctx, file, 1024); - len = fz_buffer_storage(ctx, doc->buffer, &data); - doc->page_count = fz_load_tiff_subimage_count(ctx, data, len); - } - fz_catch(ctx) - { - fz_drop_document(ctx, (fz_document*)doc); - fz_rethrow(ctx); - } - - return (fz_document*)doc; -} - -static const char *tiff_extensions[] = -{ - "tif", - "tiff", - NULL -}; - -static const char *tiff_mimetypes[] = -{ - "image/tiff", - "image/x-tiff", - NULL -}; - -fz_document_handler tiff_document_handler = -{ - NULL, - NULL, - tiff_open_document_with_stream, - tiff_extensions, - tiff_mimetypes -}; |