DenysMedvid/pdf2htmlEX
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prepare sytle changing withint a line using <span>

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This commit is contained in:
Lu Wang 2012-08-16 16:20:16 +08:00
parent b68136c428
commit ad6d6a31a0
4 changed files with 37 additions and 18 deletions
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7
src/HTMLRenderer.h
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@ -183,7 +183,12 @@ class HTMLRenderer : public OutputDev
// states // states
//////////////////////////////////////////////////// ////////////////////////////////////////////////////
// if we have a pending opened line // if we have a pending opened line
bool line_opened; enum class LineStatus
{
CLOSED,
SPAN,
DIV
} line_status;
// The order is according to the appearance in check_state_change // The order is according to the appearance in check_state_change
// any state changed // any state changed

4
src/HTMLRenderer/general.cc
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@ -19,7 +19,7 @@ using boost::filesystem::remove;
using boost::filesystem::filesystem_error; using boost::filesystem::filesystem_error;
HTMLRenderer::HTMLRenderer(const Param * param) HTMLRenderer::HTMLRenderer(const Param * param)
:line_opened(false) :line_status(LineStatus::CLOSED)
,image_count(0) ,image_count(0)
,param(param) ,param(param)
,dest_dir(param->dest_dir) ,dest_dir(param->dest_dir)
@ -142,7 +142,7 @@ void HTMLRenderer::startPage(int pageNum, GfxState *state)
this->pageWidth = state->getPageWidth(); this->pageWidth = state->getPageWidth();
this->pageHeight = state->getPageHeight(); this->pageHeight = state->getPageHeight();
assert(!line_opened); assert(line_status == LineStatus::CLOSED);
html_fout << format("<div id=\"p%|1$x|\" class=\"p\" style=\"width:%2%px;height:%3%px;") % pageNum % pageWidth % pageHeight; html_fout << format("<div id=\"p%|1$x|\" class=\"p\" style=\"width:%2%px;height:%3%px;") % pageNum % pageWidth % pageHeight;

15
src/HTMLRenderer/state.cc
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@ -244,10 +244,19 @@ void HTMLRenderer::reset_state_track()
} }
void HTMLRenderer::close_cur_line() void HTMLRenderer::close_cur_line()
{ {
if(line_opened) switch(line_status)
{ {
html_fout << "</div>" << endl; case LineStatus::SPAN:
line_opened = false; html_fout << "</span>";
// fall through
case LineStatus::DIV:
html_fout << "</div>" << endl;
line_status = LineStatus::CLOSED;
break;
case LineStatus::CLOSED:
default:
break;
} }
draw_ty = cur_ty + cur_rise; draw_ty = cur_ty + cur_rise;

29
src/HTMLRenderer/text.cc
View File

@ -157,11 +157,17 @@ void HTMLRenderer::drawString(GfxState * state, GooString * s)
check_state_change(state); check_state_change(state);
// if the line is still open, try to merge with it // if the line is still open, try to merge with it
if(line_opened) if(line_status != LineStatus::CLOSED)
{ {
double target = (cur_tx - draw_tx) * draw_scale; double target = (cur_tx - draw_tx) * draw_scale;
if(target > -param->h_eps) if(abs(target) < param->h_eps)
{ {
// ignore it
}
else
{
// don't close a pending span here, keep the styling
if(target > param->h_eps) if(target > param->h_eps)
{ {
double w; double w;
@ -169,17 +175,16 @@ void HTMLRenderer::drawString(GfxState * state, GooString * s)
html_fout << format("<span class=\"_ _%|1$x|\"> </span>") % wid; html_fout << format("<span class=\"_ _%|1$x|\"> </span>") % wid;
draw_tx += w / draw_scale; draw_tx += w / draw_scale;
} }
} else
else {
{ // shift left
// shift left // TODO, create a class for this
// TODO, create a class for this html_fout << format("<span style=\"margin-left:%1%px\"></span>") % target;
html_fout << format("<span style=\"margin-left:%1%px\"></span>") % target; draw_tx += target / draw_scale;
draw_tx += target / draw_scale; }
} }
} }
else
if(!line_opened)
{ {
// have to open a new line // have to open a new line
@ -222,7 +227,7 @@ void HTMLRenderer::drawString(GfxState * state, GooString * s)
html_fout << "\">"; html_fout << "\">";
line_opened = true; line_status = LineStatus::DIV;
} }
// Now ready to output // Now ready to output