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git-svn-id: svn://ultimatepp.org/upp/trunk@14723 f0d560ea-af0d-0410-9eb7-867de7ffcac7
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cxl 2020-07-29 09:01:16 +00:00
parent a16492a289
commit 00e5198469
3 changed files with 59 additions and 0 deletions
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12
reference/RichTextIterator/RichTextIterator.upp Normal file
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description "Demostrates the use of RichTextIterator to extract Images from RichText\377";
uses
CtrlLib;
file
Test.qtf,
main.cpp;
mainconfig
"" = "GUI";

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reference/RichTextIterator/Test.qtf Normal file
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reference/RichTextIterator/main.cpp Normal file
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#include <CtrlLib/CtrlLib.h>
using namespace Upp;
Vector<Image> ExtractImages(const RichText& txt)
{
struct Iter : RichText::Iterator {
Vector<Image> m;
virtual bool operator()(int, const RichPara& para) {
for(int i = 0; i < para.GetCount(); i++) {
const RichPara::Part& p = para[i];
if(p.object)
m.Add(p.object.ToImage(p.object.GetPixelSize()));
}
return false;
}
} iter;
txt.Iterate(iter);
return pick(iter.m);
}
GUI_APP_MAIN
{
int i = 0;
for(Image m : ExtractImages(ParseQTF(LoadDataFile("Test.qtf"))))
PNGEncoder().SaveFile(GetHomeDirFile(String() << "ExtractedImage_" << ++i << ".png"), m);
}