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90 lines
1.9 KiB
C++
90 lines
1.9 KiB
C++
#include "RasterMultiPage.h"
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RasterMultiPage::RasterMultiPage()
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{
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CtrlLayout(*this, "Multi page raster demo");
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browse <<= THISBACK(Browse);
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play <<= THISBACK(Play);
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openNext <<= THISBACK(OpenNext);
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Sizeable().Zoomable();
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}
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void RasterMultiPage::Browse()
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{
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FileSel fs;
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fs.PreSelect(fileName);
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fs.Type("Animation type", "*.gif, *.tif, *.tiff");
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if (fs.ExecuteOpen("Choose animation file"))
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fileName <<= ~fs;
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FileIn in(fileName.GetData().ToString());
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One<StreamRaster> raster = StreamRaster::OpenAny(in);
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if(!raster) {
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Exclamation("Invalid input");
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return;
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}
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images.Clear();
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delays.Clear();
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Size sz = raster->GetSize();
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ImageDraw iw(sz);
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for (int i = 0; i < raster->GetPageCount(); ++i) {
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raster->SeekPage(i);
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Rect r = raster->GetPageRect(i);
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switch (raster->GetPageDisposal(i)) {
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case 1: iw.DrawRect(r, White());
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break;
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case 2:
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case 4: iw.DrawRect(sz, White());
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break;
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}
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iw.DrawImage(r.left, r.top, raster->GetImage(0, 0, r.right-r.left, r.bottom-r.top));
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images.Add(iw);
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int msdelay = 10*raster->GetPageDelay(i);
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delays.Add(msdelay <= 100 ? 100 : msdelay);
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}
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numberPages = FormatInt(raster->GetPageCount());
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openedPage = "0";
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image.SetImage(images[0]);
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ind = 0;
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}
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void RasterMultiPage::Play()
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{
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if (images.GetCount() <= 1)
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return;
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TimeStop t;
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for (unsigned ms = 0; t.Elapsed() < 5000; ++ind) {
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if (ind >= images.GetCount())
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ind = 0;
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image.SetImage(images[ind]);
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openedPage = FormatInt(ind);
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Refresh();
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Ctrl::ProcessEvents();
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ms += delays[ind];
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while (t.Elapsed() < ms)
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Sleep(10);
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}
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}
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void RasterMultiPage::OpenNext()
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{
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if (images.GetCount() <= 1)
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return;
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ind++;
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if (ind >= images.GetCount())
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ind = 0;
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image.SetImage(images[ind]);
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openedPage = FormatInt(ind);
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}
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GUI_APP_MAIN
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{
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RasterMultiPage().Run();
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}
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