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#include "mupdf/fitz.h"
#include "mupdf/pdf.h"
static void
pdf_run_annot_with_usage(fz_context *ctx, pdf_document *doc, pdf_page *page, pdf_annot *annot, fz_device *dev, const fz_matrix *ctm, const char *usage, fz_cookie *cookie)
{
fz_matrix local_ctm, page_ctm;
fz_rect mediabox;
pdf_processor *proc = NULL;
fz_default_colorspaces *default_cs;
fz_var(proc);
default_cs = pdf_load_default_colorspaces(ctx, doc, page);
if (default_cs)
fz_set_default_colorspaces(ctx, dev, default_cs);
pdf_page_transform(ctx, page, &mediabox, &page_ctm);
fz_concat(&local_ctm, &page_ctm, ctm);
fz_try(ctx)
{
proc = pdf_new_run_processor(ctx, dev, &local_ctm, usage, NULL, 0, default_cs);
pdf_process_annot(ctx, proc, doc, page, annot, cookie);
pdf_close_processor(ctx, proc);
}
fz_always(ctx)
{
pdf_drop_processor(ctx, proc);
fz_drop_default_colorspaces(ctx, default_cs);
}
fz_catch(ctx)
fz_rethrow(ctx);
}
static void
pdf_run_page_contents_with_usage(fz_context *ctx, pdf_document *doc, pdf_page *page, fz_device *dev, const fz_matrix *ctm, const char *usage, fz_cookie *cookie)
{
fz_matrix local_ctm, page_ctm;
pdf_obj *resources;
pdf_obj *contents;
fz_rect mediabox;
pdf_processor *proc = NULL;
fz_default_colorspaces *default_cs;
fz_colorspace *colorspace = NULL;
fz_var(proc);
fz_var(colorspace);
default_cs = pdf_load_default_colorspaces(ctx, doc, page);
if (default_cs)
fz_set_default_colorspaces(ctx, dev, default_cs);
fz_try(ctx)
{
pdf_page_transform(ctx, page, &mediabox, &page_ctm);
fz_concat(&local_ctm, &page_ctm, ctm);
resources = pdf_page_resources(ctx, page);
contents = pdf_page_contents(ctx, page);
if (page->transparency)
{
pdf_obj *group = pdf_page_group(ctx, page);
if (group)
{
pdf_obj *cs = pdf_dict_get(ctx, group, PDF_NAME_CS);
if (cs)
{
fz_try(ctx)
colorspace = pdf_load_colorspace(ctx, cs);
fz_catch(ctx)
colorspace = NULL;
}
}
else
colorspace = fz_keep_colorspace(ctx, fz_default_output_intent(ctx, default_cs));
fz_begin_group(ctx, dev, fz_transform_rect(&mediabox, &local_ctm), colorspace, 1, 0, 0, 1);
fz_drop_colorspace(ctx, colorspace);
colorspace = NULL;
}
proc = pdf_new_run_processor(ctx, dev, &local_ctm, usage, NULL, 0, default_cs);
pdf_process_contents(ctx, proc, doc, resources, contents, cookie);
pdf_close_processor(ctx, proc);
}
fz_always(ctx)
{
fz_drop_default_colorspaces(ctx, default_cs);
pdf_drop_processor(ctx, proc);
}
fz_catch(ctx)
{
fz_drop_colorspace(ctx, colorspace);
fz_rethrow(ctx);
}
if (page->transparency)
fz_end_group(ctx, dev);
}
void pdf_run_page_contents(fz_context *ctx, pdf_page *page, fz_device *dev, const fz_matrix *ctm, fz_cookie *cookie)
{
pdf_document *doc = page->doc;
int nocache;
nocache = !!(dev->hints & FZ_NO_CACHE);
if (nocache)
pdf_mark_xref(ctx, doc);
fz_try(ctx)
{
pdf_run_page_contents_with_usage(ctx, doc, page, dev, ctm, "View", cookie);
}
fz_always(ctx)
{
if (nocache)
pdf_clear_xref_to_mark(ctx, doc);
}
fz_catch(ctx)
{
fz_rethrow(ctx);
}
if (page->incomplete & PDF_PAGE_INCOMPLETE_CONTENTS)
fz_throw(ctx, FZ_ERROR_TRYLATER, "incomplete rendering");
}
void pdf_run_annot(fz_context *ctx, pdf_annot *annot, fz_device *dev, const fz_matrix *ctm, fz_cookie *cookie)
{
pdf_page *page = annot->page;
pdf_document *doc = page->doc;
int nocache;
nocache = !!(dev->hints & FZ_NO_CACHE);
if (nocache)
pdf_mark_xref(ctx, doc);
fz_try(ctx)
{
pdf_run_annot_with_usage(ctx, doc, page, annot, dev, ctm, "View", cookie);
}
fz_always(ctx)
{
if (nocache)
pdf_clear_xref_to_mark(ctx, doc);
}
fz_catch(ctx)
{
fz_rethrow(ctx);
}
if (page->incomplete & PDF_PAGE_INCOMPLETE_ANNOTS)
fz_throw(ctx, FZ_ERROR_TRYLATER, "incomplete rendering");
}
static void
pdf_run_page_annots_with_usage(fz_context *ctx, pdf_document *doc, pdf_page *page, fz_device *dev, const fz_matrix *ctm, const char *usage, fz_cookie *cookie)
{
pdf_annot *annot;
if (cookie && cookie->progress_max != -1)
{
int count = 1;
for (annot = page->annots; annot; annot = annot->next)
count++;
cookie->progress_max += count;
}
for (annot = page->annots; annot; annot = annot->next)
{
/* Check the cookie for aborting */
if (cookie)
{
if (cookie->abort)
break;
cookie->progress++;
}
pdf_run_annot_with_usage(ctx, doc, page, annot, dev, ctm, usage, cookie);
}
}
void
pdf_run_page_with_usage(fz_context *ctx, pdf_document *doc, pdf_page *page, fz_device *dev, const fz_matrix *ctm, const char *usage, fz_cookie *cookie)
{
int nocache = !!(dev->hints & FZ_NO_CACHE);
if (nocache)
pdf_mark_xref(ctx, doc);
fz_try(ctx)
{
pdf_run_page_contents_with_usage(ctx, doc, page, dev, ctm, usage, cookie);
pdf_run_page_annots_with_usage(ctx, doc, page, dev, ctm, usage, cookie);
}
fz_always(ctx)
{
if (nocache)
pdf_clear_xref_to_mark(ctx, doc);
}
fz_catch(ctx)
{
fz_rethrow(ctx);
}
if (page->incomplete)
fz_throw(ctx, FZ_ERROR_TRYLATER, "incomplete rendering");
}
void
pdf_run_page(fz_context *ctx, pdf_page *page, fz_device *dev, const fz_matrix *ctm, fz_cookie *cookie)
{
pdf_document *doc = page->doc;
pdf_run_page_with_usage(ctx, doc, page, dev, ctm, "View", cookie);
}
void
pdf_run_glyph(fz_context *ctx, pdf_document *doc, pdf_obj *resources, fz_buffer *contents, fz_device *dev, const fz_matrix *ctm, void *gstate, int nested_depth, fz_default_colorspaces *default_cs)
{
pdf_processor *proc;
if (nested_depth > 10)
fz_throw(ctx, FZ_ERROR_GENERIC, "Too many nestings of Type3 glyphs");
proc = pdf_new_run_processor(ctx, dev, ctm, "View", gstate, nested_depth+1, default_cs);
fz_try(ctx)
{
pdf_process_glyph(ctx, proc, doc, resources, contents);
pdf_close_processor(ctx, proc);
}
fz_always(ctx)
pdf_drop_processor(ctx, proc);
fz_catch(ctx)
fz_rethrow(ctx);
}
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