mirror of
https://github.com/pdf2htmlEX/pdf2htmlEX.git
synced 2024-12-22 13:00:08 +00:00
working on images
This commit is contained in:
Lu Wang
parent
df6c0025ea
commit
810fb00de7
@ -31,7 +31,7 @@ const std::string HTML_HEAD = "<!DOCTYPE html>\n\
|
||||
display:none;\
|
||||
}\
|
||||
.p > .l {\
|
||||
position:absolute; \
|
||||
position:absolute;\
|
||||
white-space:pre;\
|
||||
}\
|
||||
.l > .w {\
|
||||
@ -44,22 +44,25 @@ const std::string HTML_HEAD = "<!DOCTYPE html>\n\
|
||||
::-moz-selection{\
|
||||
background: rgba(168,209,255,0.5);\
|
||||
}\
|
||||
.p > .i {\
|
||||
position:absolute;\
|
||||
}\
|
||||
</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();\
|
||||
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\">";
|
||||
|
||||
@ -39,6 +39,7 @@ const int *int_p_NULL = nullptr;
|
||||
* p - Page
|
||||
* l - Line
|
||||
* w - White space
|
||||
* i - Image
|
||||
*
|
||||
*
|
||||
* Reusable CSS classes
|
||||
@ -69,14 +70,12 @@ HTMLRenderer::HTMLRenderer(const Param * param)
|
||||
black.r = black.g = black.b = 0;
|
||||
install_color(&black);
|
||||
|
||||
html_fout << HTML_HEAD;
|
||||
html_fout << endl;
|
||||
html_fout << HTML_HEAD << endl;
|
||||
}
|
||||
|
||||
HTMLRenderer::~HTMLRenderer()
|
||||
{
|
||||
html_fout << HTML_TAIL;
|
||||
html_fout << endl;
|
||||
html_fout << HTML_TAIL << endl;
|
||||
}
|
||||
|
||||
void HTMLRenderer::process(PDFDoc *doc)
|
||||
@ -133,8 +132,7 @@ void HTMLRenderer::startPage(int pageNum, GfxState *state)
|
||||
|
||||
html_fout << boost::format("background-image:url(p%|3$x|.png);background-position:0 0;background-size:%1%px %2%px;background-repeat:no-repeat;") % pageWidth % pageHeight % pageNum;
|
||||
|
||||
html_fout << "\">";
|
||||
html_fout << endl;
|
||||
html_fout << "\">" << endl;
|
||||
|
||||
cur_fn_id = cur_fs_id = cur_tm_id = cur_color_id = 0;
|
||||
cur_tx = cur_ty = 0;
|
||||
@ -154,17 +152,14 @@ void HTMLRenderer::startPage(int pageNum, GfxState *state)
|
||||
void HTMLRenderer::endPage() {
|
||||
close_cur_line();
|
||||
// close page
|
||||
html_fout << "</div>";
|
||||
html_fout << endl;
|
||||
html_fout << "</div>" << endl;
|
||||
}
|
||||
|
||||
void HTMLRenderer::close_cur_line()
|
||||
{
|
||||
if(line_opened)
|
||||
{
|
||||
html_fout << "</div>";
|
||||
html_fout << endl;
|
||||
|
||||
html_fout << "</div>" << endl;
|
||||
line_opened = false;
|
||||
}
|
||||
}
|
||||
@ -375,7 +370,10 @@ void HTMLRenderer::drawString(GfxState * state, GooString * s)
|
||||
|
||||
void HTMLRenderer::drawImage(GfxState * state, Object * ref, Stream * str, int width, int height, GfxImageColorMap * colorMap, GBool interpolate, int *maskColors, GBool inlineImg)
|
||||
{
|
||||
boost::gil::rgb16_image_t img(width, height);
|
||||
if(maskColors)
|
||||
return;
|
||||
|
||||
boost::gil::rgb8_image_t img(width, height);
|
||||
auto imgview = view(img);
|
||||
auto loc = imgview.xy_at(0,0);
|
||||
|
||||
@ -390,7 +388,7 @@ void HTMLRenderer::drawImage(GfxState * state, Object * ref, Stream * str, int w
|
||||
GfxRGB rgb;
|
||||
colorMap->getRGB(p, &rgb);
|
||||
|
||||
*loc = boost::gil::rgb16_pixel_t(rgb.r, rgb.g, rgb.b);
|
||||
*loc = boost::gil::rgb8_pixel_t(colToByte(rgb.r), colToByte(rgb.g), colToByte(rgb.b));
|
||||
|
||||
p += colorMap->getNumPixelComps();
|
||||
|
||||
@ -405,6 +403,13 @@ void HTMLRenderer::drawImage(GfxState * state, Object * ref, Stream * str, int w
|
||||
img_stream->close();
|
||||
delete img_stream;
|
||||
|
||||
close_cur_line();
|
||||
|
||||
double * ctm = state->getCTM();
|
||||
ctm[4] = ctm[5] = 0.0;
|
||||
html_fout << boost::format("<img class=\"i t%2%\" style=\"left:%3%px;bottom:%4%px;width:%5%px;height:%6%px;\" src=\"i%|1$x|.png\" />") % image_count % install_transform_matrix(ctm) % state->getCurX() % state->getCurY() % width % height << endl;
|
||||
|
||||
|
||||
++ image_count;
|
||||
}
|
||||
|
||||
@ -607,6 +612,25 @@ err:
|
||||
void HTMLRenderer::install_embedded_font(GfxFont * font, const std::string & suffix, long long fn_id)
|
||||
{
|
||||
// TODO Should use standard way to handle CID fonts
|
||||
/*
|
||||
* How it works:
|
||||
*
|
||||
* 1.dump the font file directly from the font descriptor and put the glyphs into the correct slots
|
||||
*
|
||||
* for nonCID
|
||||
* nothing need to do
|
||||
*
|
||||
* for CID + nonTrueType
|
||||
* Flatten the font
|
||||
*
|
||||
* for CID Truetype
|
||||
* Just use glyph order, and later we'll map GID (instead of char code) to Unicode
|
||||
*
|
||||
*
|
||||
* 2. map charcode (or GID for CID truetype) to Unicode
|
||||
*
|
||||
* generate an encoding file and let fontforge handle it.
|
||||
*/
|
||||
|
||||
std::string fn = (boost::format("f%|1$x|") % fn_id).str();
|
||||
|
||||
@ -617,13 +641,11 @@ void HTMLRenderer::install_embedded_font(GfxFont * font, const std::string & suf
|
||||
if(ctu)
|
||||
{
|
||||
// TODO: ctu could be CID2Unicode for CID fonts
|
||||
|
||||
int maxcode = 0;
|
||||
|
||||
if(!font->isCIDFont())
|
||||
{
|
||||
maxcode = 0xff;
|
||||
//TODO read code2GID for TrueType
|
||||
}
|
||||
else
|
||||
{
|
||||
@ -776,16 +798,13 @@ void HTMLRenderer::export_remote_font(long long fn_id, const string & suffix, co
|
||||
|
||||
allcss_fout << "line-height:" << (a-d) << ";";
|
||||
|
||||
allcss_fout << "}";
|
||||
|
||||
allcss_fout << endl;
|
||||
allcss_fout << "}" << endl;
|
||||
}
|
||||
|
||||
// TODO: this function is called when some font is unable to process, may use the name there as a hint
|
||||
void HTMLRenderer::export_remote_default_font(long long fn_id)
|
||||
{
|
||||
allcss_fout << boost::format(".f%|1$x|{font-family:sans-serif;color:transparent;visibility:hidden;}")%fn_id;
|
||||
allcss_fout << endl;
|
||||
allcss_fout << boost::format(".f%|1$x|{font-family:sans-serif;color:transparent;visibility:hidden;}")%fn_id << endl;
|
||||
}
|
||||
|
||||
void HTMLRenderer::export_local_font(long long fn_id, GfxFont * font, const string & original_font_name, const string & cssfont)
|
||||
@ -812,9 +831,7 @@ void HTMLRenderer::export_local_font(long long fn_id, GfxFont * font, const stri
|
||||
|
||||
allcss_fout << "line-height:" << (a-d) << ";";
|
||||
|
||||
allcss_fout << "}";
|
||||
|
||||
allcss_fout << endl;
|
||||
allcss_fout << "}" << endl;
|
||||
}
|
||||
|
||||
std::string HTMLRenderer::general_font_family(GfxFont * font)
|
||||
@ -829,14 +846,12 @@ std::string HTMLRenderer::general_font_family(GfxFont * font)
|
||||
|
||||
void HTMLRenderer::export_font_size (long long fs_id, double font_size)
|
||||
{
|
||||
allcss_fout << boost::format(".s%|1$x|{font-size:%2%px;}") % fs_id % font_size;
|
||||
allcss_fout << endl;
|
||||
allcss_fout << boost::format(".s%|1$x|{font-size:%2%px;}") % fs_id % font_size << endl;
|
||||
}
|
||||
|
||||
void HTMLRenderer::export_whitespace (long long ws_id, double ws_width)
|
||||
{
|
||||
allcss_fout << boost::format(".w%|1$x|{width:%2%px;}") % ws_id % ws_width;
|
||||
allcss_fout << endl;
|
||||
allcss_fout << boost::format(".w%|1$x|{width:%2%px;}") % ws_id % ws_width << endl;
|
||||
}
|
||||
|
||||
void HTMLRenderer::export_transform_matrix (long long tm_id, const double * tm)
|
||||
@ -865,15 +880,14 @@ void HTMLRenderer::export_transform_matrix (long long tm_id, const double * tm)
|
||||
allcss_fout << boost::format("%1%,%2%);") % tm[4] % -tm[5];
|
||||
}
|
||||
}
|
||||
allcss_fout << "}";
|
||||
allcss_fout << endl;
|
||||
allcss_fout << "}" << endl;
|
||||
}
|
||||
|
||||
void HTMLRenderer::export_color(long long color_id, const GfxRGB * rgb)
|
||||
{
|
||||
allcss_fout << boost::format(".c%|1$x|{color:rgb(%2%,%3%,%4%);}")
|
||||
% color_id % (int)colToByte(rgb->r) % (int)colToByte(rgb->g) % (int)colToByte(rgb->b);
|
||||
allcss_fout << endl;
|
||||
% color_id % (int)colToByte(rgb->r) % (int)colToByte(rgb->g) % (int)colToByte(rgb->b)
|
||||
<< endl;
|
||||
}
|
||||
|
||||
void HTMLRenderer::check_state_change(GfxState * state)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user