DenysMedvid/pdf2htmlEX
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moving to drawString

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This commit is contained in:
Lu Wang 2012-08-07 09:59:10 +08:00
parent c43f3ec81a
commit 6670ea1b57
4 changed files with 98 additions and 77 deletions
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2
CMakeLists.txt
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@ -17,7 +17,7 @@ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")
#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O2") #set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O2")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ggdb") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ggdb")
add_executable(pdftohtmlEX src/pdftohtmlEX.cc src/HTMLRenderer.cc src/HTMLRenderer.h src/BackgroundRenderer.cc src/BackgroundRenderer.h) add_executable(pdftohtmlEX src/pdftohtmlEX.cc src/HTMLRenderer.cc src/HTMLRenderer.h src/BackgroundRenderer.cc src/BackgroundRenderer.h src/Consts.h)
target_link_libraries(pdftohtmlEX poppler boost_program_options) target_link_libraries(pdftohtmlEX poppler boost_program_options)

79
src/Consts.h Normal file
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@ -0,0 +1,79 @@
/*
* Constants
*
* by WangLu
* 2012.08.07
*/
#ifndef CONSTS_H__
#define CONSTS_H__
#include <string>
#include <map>
const char * HTML_HEAD = "<!DOCTYPE html>\n\
<html><head>\
<meta charset=\"utf-8\">\
<style type=\"text/css\">\
#pdf-main {\
font-family: sans-serif;\
position:absolute;\
top:0;\
left:0;\
bottom:0;\
right:0;\
overflow:auto;\
background-color:grey;\
}\
#pdf-main > .p {\
position:relative;\
margin:13px auto;\
background-color:white;\
overflow:hidden;\
display:none;\
}\
.p > .l {\
position:absolute; \
white-space:pre;\
}\
.l > .w {\
display:inline-block;\
}\
::selection{\
background: rgba(168,209,255,0.5);\
}\
::-moz-selection{\
background: rgba(168,209,255,0.5);\
}\
</style><link rel=\"stylesheet\" type=\"text/css\" href=\"all.css\" />\
<script type=\"text/javascript\">\
function show_pages()\
{\
var pages = document.getElementById('pdf-main').childNodes;\
var idx = 0;\
var f = function(){\
if (idx < pages.length) {\
try{\
pages[idx].style.display='block';\
}catch(e){}\
++idx;\
setTimeout(f,100);\
}\
};\
f();\
};\
</script>\
</head><body onload=\"show_pages();\"><div id=\"pdf-main\">";
const char * HTML_TAIL = "</div></body></html>";
const std::map<string, string> BASE_14_FONT_CSS_FONT_MAP({\
{ "Courier", "Courier,monospace" },\
{ "Helvetica", "Helvetica,Arial,\"Nimbus Sans L\",sans-serif" },\
{ "Times", "Times,\"Time New Roman\",\"Nimbus Roman No9 L\",serif" },\
{ "Symbol", "Symbol,\"Standard Symbols L\"" },\
{ "ZapfDingbats", "ZapfDingbats,\"Dingbats\"" },\
});
const double id_matrix[6] = {1.0, 0.0, 0.0, 1.0, 0.0, 0.0};
#endif //CONSTS_H__

92
src/HTMLRenderer.cc
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@ -25,6 +25,7 @@
#include "HTMLRenderer.h" #include "HTMLRenderer.h"
#include "BackgroundRenderer.h" #include "BackgroundRenderer.h"
#include "Consts.h"
/* /*
* CSS classes * CSS classes
@ -41,74 +42,9 @@
* w<hex> - White space * w<hex> - White space
* t<hex> - Transform matrix * t<hex> - Transform matrix
* c<hex> - Color * c<hex> - Color
*
*/ */
const char * HTML_HEAD = "<!DOCTYPE html>\n\
<html><head>\
<meta charset=\"utf-8\">\
<style type=\"text/css\">\
#pdf-main {\
font-family: sans-serif;\
position:absolute;\
top:0;\
left:0;\
bottom:0;\
right:0;\
overflow:auto;\
background-color:grey;\
}\
#pdf-main > .p {\
position:relative;\
margin:13px auto;\
background-color:white;\
overflow:hidden;\
display:none;\
}\
.p > .l {\
position:absolute; \
white-space:pre;\
}\
.l > .w {\
display:inline-block;\
}\
::selection{\
background: rgba(168,209,255,0.5);\
}\
::-moz-selection{\
background: rgba(168,209,255,0.5);\
}\
</style><link rel=\"stylesheet\" type=\"text/css\" href=\"all.css\" />\
<script type=\"text/javascript\">\
function show_pages()\
{\
var pages = document.getElementById('pdf-main').childNodes;\
var idx = 0;\
var f = function(){\
if (idx < pages.length) {\
try{\
pages[idx].style.display='block';\
}catch(e){}\
++idx;\
setTimeout(f,100);\
}\
};\
f();\
};\
</script>\
</head><body onload=\"show_pages();\"><div id=\"pdf-main\">";
const char * HTML_TAIL = "</div></body></html>";
const std::map<string, string> BASE_14_FONT_CSS_FONT_MAP({\
{ "Courier", "Courier,monospace" },\
{ "Helvetica", "Helvetica,Arial,\"Nimbus Sans L\",sans-serif" },\
{ "Times", "Times,\"Time New Roman\",\"Nimbus Roman No9 L\",serif" },\
{ "Symbol", "Symbol" },\
{ "ZapfDingbats", "ZapfDingbats" },\
});
const double id_matrix[6] = {1.0, 0.0, 0.0, 1.0, 0.0, 0.0};
TextString::TextString(GfxState *state) TextString::TextString(GfxState *state)
:unicodes() :unicodes()
,x(state->getCurX()) ,x(state->getCurX())
@ -242,7 +178,7 @@ void HTMLRenderer::startPage(int pageNum, GfxState *state)
cur_fn_id = cur_fs_id = cur_tm_id = cur_color_id = 0; cur_fn_id = cur_fs_id = cur_tm_id = cur_color_id = 0;
cur_line_x_offset = 0; cur_line_x_offset = 0;
cur_line_y = 0; cur_tx = cur_ty = 0;
cur_font_size = 0; cur_font_size = 0;
memcpy(draw_ctm, id_matrix, sizeof(draw_ctm)); memcpy(draw_ctm, id_matrix, sizeof(draw_ctm));
@ -380,9 +316,9 @@ void HTMLRenderer::endString(GfxState *state) {
if(at_same_line(cur_line, cur_string)) if(at_same_line(cur_line, cur_string))
{ {
// TODO: this is not correct // TODO: this is not correct
double x1 = cur_line->getX() + cur_line->getWidth(); double x1 = cur_line->getState()->getLineX() + cur_line->getWidth();
double x2 = cur_string->getX(); double x2 = cur_string->getState()->getLineX();
double target = (x2-x1-cur_line_x_offset); double target = (x2-x1-cur_line_x_offset) * draw_scale;
if(target > -param->h_eps) if(target > -param->h_eps)
{ {
@ -439,7 +375,8 @@ void HTMLRenderer::endString(GfxState *state) {
html_fout << "\""; html_fout << "\"";
double x,y; double x,y;
cur_state->transform(cur_state->getCurX(), cur_state->getCurY(), &x, &y); cur_state->transform(cur_state->getCurX(), cur_state->getCurY(), &x, &y);
html_fout << boost::format(" data-scale=\"%4%\" data-x=\"%1%\" data-y=\"%2%\" data-hs=\"%3%")%x%y%(cur_state->getHorizScaling())%draw_scale; html_fout << boost::format("data-lx=\"%5%\" data-ly=\"%6%\" data-scale=\"%4%\" data-x=\"%1%\" data-y=\"%2%\" data-hs=\"%3%")
%x%y%(cur_state->getHorizScaling())%draw_scale%cur_state->getLineX()%cur_state->getLineY();
} }
html_fout << "\">"; html_fout << "\">";
@ -471,11 +408,16 @@ void HTMLRenderer::drawChar(GfxState *state, double x, double y,
// TODO // TODO
void HTMLRenderer::drawString(GfxState * state, GooString * s) void HTMLRenderer::drawString(GfxState * state, GooString * s)
{ {
check_state_change(state);
auto font = state->getFont(); auto font = state->getFont();
if(font->getWMode()) if(font->getWMode())
std::cerr << "TODO: writing mode" << std::endl; {
//TODO
return;
}
// stolen from poppler // from poppler
double dx = 0; double dx = 0;
double dy = 0; double dy = 0;
double dx2, dy2; double dx2, dy2;
@ -983,10 +925,10 @@ void HTMLRenderer::check_state_change(GfxState * state)
{ {
if(pos_changed) if(pos_changed)
{ {
if(!_equal(state->getLineY(), cur_line_y)) if(!_equal(state->getLineY(), cur_ty))
{ {
close_cur_line(); close_cur_line();
cur_line_y = state->getLineY(); cur_ty = state->getLineY();
} }
} }

2
src/HTMLRenderer.h
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@ -199,7 +199,7 @@ class HTMLRenderer : public OutputDev
double cur_line_x_offset; double cur_line_x_offset;
// current position // current position
double cur_line_y; double cur_tx, cur_ty; // in text coords
bool pos_changed; bool pos_changed;
long long cur_fn_id; long long cur_fn_id;