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mirror of https://github.com/pdf2htmlEX/pdf2htmlEX.git synced 2024-12-22 04:50:09 +00:00

Fix bad usage of html_renderer->str_fmt() in get_bitmap_path(); add prefix to bitmap file name.

This commit is contained in:
Duan Yao 2014-06-11 22:19:17 +08:00
parent edb0ddacea
commit 5681fe11c0
2 changed files with 12 additions and 7 deletions

View File

@ -37,7 +37,10 @@ CairoBackgroundRenderer::~CairoBackgroundRenderer()
for(auto itr = bitmaps_ref_count.begin(); itr != bitmaps_ref_count.end(); ++itr)
{
if (itr->second == 0)
html_renderer->tmp_files.add(this->get_bitmap_path(itr->first));
{
string path;
html_renderer->tmp_files.add(this->build_bitmap_path(itr->first, path));
}
}
}
@ -186,9 +189,10 @@ void CairoBackgroundRenderer::embed_image(int pageno)
f_page << "\"/>";
}
const char* CairoBackgroundRenderer::get_bitmap_path(int id)
string & CairoBackgroundRenderer::build_bitmap_path(int id, string & path)
{
return html_renderer->str_fmt("%s/%d.jpg", param.dest_dir.c_str(), id);
// "po" for "PDF Object"
return path = html_renderer->str_fmt("%s/po-%d.jpg", param.dest_dir.c_str(), id);
}
// Override CairoOutputDev::setMimeData() and dump bitmaps in SVG to external files.
void CairoBackgroundRenderer::setMimeData(Stream *str, Object *ref, cairo_surface_t *image)
@ -208,7 +212,7 @@ void CairoBackgroundRenderer::setMimeData(Stream *str, Object *ref, cairo_surfac
return;
int imgId = ref->getRef().num;
auto uri = strdup((char*) html_renderer->str_fmt("%d.jpg", imgId));
auto uri = strdup((char*) html_renderer->str_fmt("po-%d.jpg", imgId));
auto st = cairo_surface_set_mime_data(image, CAIRO_MIME_TYPE_URI,
(unsigned char*) uri, strlen(uri), free, uri);
if (st)
@ -227,8 +231,8 @@ void CairoBackgroundRenderer::setMimeData(Stream *str, Object *ref, cairo_surfac
int len;
if (getStreamData(str->getNextStream(), &strBuffer, &len))
{
string path = get_bitmap_path(imgId);
ofstream imgfile(path, ofstream::binary);
string path;
ofstream imgfile(build_bitmap_path(imgId, path), ofstream::binary);
imgfile.write(strBuffer, len);
free(strBuffer);
}

View File

@ -14,6 +14,7 @@
#include <cairo-svg.h>
#include <unordered_map>
#include <vector>
#include <string>
#include "pdf2htmlEX-config.h"
@ -54,7 +55,7 @@ protected:
private:
// convert bitmap stream id to bitmap file name. No pageno prefix,
// because a bitmap may be shared by multiple pages.
const char* get_bitmap_path(int id);
std::string & build_bitmap_path(int id, std::string & path);
// map<id_of_bitmap_stream, usage_count_in_all_svgs>
// note: if a svg bg fallbacks to bitmap bg, its bitmaps are not taken into account.
std::unordered_map<int, int> bitmaps_ref_count;