DenysMedvid/pdf2htmlEX
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effect is too bad with muliplier=1, change it back to 4 and use old scale behavior in order to bypass the firefox bug

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This commit is contained in:
Lu Wang 2012-09-25 00:55:41 +08:00
parent 26a23e856d
commit 49a527759b
5 changed files with 8 additions and 4 deletions
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2
TODO
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@ -1,3 +1,5 @@
merge sub/sup into one line
bug found in baidu(ubuntu...) bug found in baidu(ubuntu...)
precise link dest precise link dest

2
pdf2htmlEX.1.in
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@ -87,7 +87,7 @@ pdf2htmlEX would try to optimize the generated HTML file moving Text within this
.B --space-threshold <ratio> (Default: 1.0/6) .B --space-threshold <ratio> (Default: 1.0/6)
pdf2htmlEX would insert a whitespace character ' ' if the distance between two consecutive letters in the same line is wider than ratio * font_size. pdf2htmlEX would insert a whitespace character ' ' if the distance between two consecutive letters in the same line is wider than ratio * font_size.
.TP .TP
.B --font-size-multiplier <ratio> (Default: 1.0) .B --font-size-multiplier <ratio> (Default: 4.0)
Many web browsers limit the minimum font size, and many would round the given font size, which results in incorrect rendering. Many web browsers limit the minimum font size, and many would round the given font size, which results in incorrect rendering.
Specify a ratio greater than 1 would resolve this issue, however it might freeze some browsers. Specify a ratio greater than 1 would resolve this issue, however it might freeze some browsers.

4
src/HTMLRenderer/general.cc
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@ -121,7 +121,7 @@ void HTMLRenderer::process(PDFDoc *doc)
} }
} }
doc->displayPage(this, i, scale_factor1 * DEFAULT_DPI, scale_factor1 * DEFAULT_DPI, doc->displayPage(this, i, (param->zoom) * DEFAULT_DPI, (param->zoom) * DEFAULT_DPI,
0, true, false, false, 0, true, false, false,
nullptr, nullptr, nullptr, nullptr); nullptr, nullptr, nullptr, nullptr);
@ -162,11 +162,13 @@ void HTMLRenderer::startPage(int pageNum, GfxState *state)
<< pageWidth << "px;height:" << pageWidth << "px;height:"
<< pageHeight << "px;"; << pageHeight << "px;";
/*
{ {
auto prefixes = {"", "-ms-", "-moz-", "-webkit-", "-o-"}; auto prefixes = {"", "-ms-", "-moz-", "-webkit-", "-o-"};
for(auto iter = prefixes.begin(); iter != prefixes.end(); ++iter) for(auto iter = prefixes.begin(); iter != prefixes.end(); ++iter)
html_fout << *iter << "transform:scale(" << scale_factor2 << ");"; html_fout << *iter << "transform:scale(" << scale_factor2 << ");";
} }
*/
if(param->process_nontext) if(param->process_nontext)
{ {

2
src/HTMLRenderer/state.cc
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@ -146,7 +146,7 @@ void HTMLRenderer::check_state_change(GfxState * state)
double new_draw_ctm[6]; double new_draw_ctm[6];
memcpy(new_draw_ctm, cur_ctm, sizeof(new_draw_ctm)); memcpy(new_draw_ctm, cur_ctm, sizeof(new_draw_ctm));
double new_draw_scale = sqrt(new_draw_ctm[2] * new_draw_ctm[2] + new_draw_ctm[3] * new_draw_ctm[3]); double new_draw_scale = scale_factor2 * sqrt(new_draw_ctm[2] * new_draw_ctm[2] + new_draw_ctm[3] * new_draw_ctm[3]);
double new_draw_font_size = cur_font_size; double new_draw_font_size = cur_font_size;
if(_is_positive(new_draw_scale)) if(_is_positive(new_draw_scale))

2
src/pdf2htmlEX.cc
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@ -73,7 +73,7 @@ void parse_options (int argc, char **argv)
.add("heps", &param.h_eps, 1.0, "max tolerated horizontal offset (in pixels)") .add("heps", &param.h_eps, 1.0, "max tolerated horizontal offset (in pixels)")
.add("veps", &param.v_eps, 1.0, "max tolerated vertical offset (in pixels)") .add("veps", &param.v_eps, 1.0, "max tolerated vertical offset (in pixels)")
.add("space-threshold", &param.space_threshold, (1.0/8), "distance no thiner than (threshold * em) will be considered as a space character") .add("space-threshold", &param.space_threshold, (1.0/8), "distance no thiner than (threshold * em) will be considered as a space character")
.add("font-size-multiplier", &param.font_size_multiplier, 1.0, "setting a value greater than 1 would increase the rendering accuracy") .add("font-size-multiplier", &param.font_size_multiplier, 4.0, "setting a value greater than 1 would increase the rendering accuracy")
.add("auto-hint", &param.auto_hint, 0, "Whether to generate hints for fonts") .add("auto-hint", &param.auto_hint, 0, "Whether to generate hints for fonts")
.add("tounicode", &param.tounicode, 0, "Specify how to deal with ToUnicode map, 0 for auto, 1 for forced, -1 for disabled") .add("tounicode", &param.tounicode, 0, "Specify how to deal with ToUnicode map, 0 for auto, 1 for forced, -1 for disabled")
.add("space-as-offset", &param.space_as_offset, 0, "treat space characters as offsets") .add("space-as-offset", &param.space_as_offset, 0, "treat space characters as offsets")