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Modified drawing sample to demonstrate drawing graphics bitmaps.

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Draw graphics bitmap and sub-bitmap (on Graphics screen) to present wxGraphicsBitmap support.
This commit is contained in:
Artur Wieczorek 2016-03-25 23:12:40 +01:00
parent ab891932cd
commit f38485afa5
1 changed files with 13 additions and 0 deletions
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13
samples/drawing/drawing.cpp
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@ -1172,6 +1172,19 @@ void MyCanvas::DrawGraphics(wxGraphicsContext* gc)
gc->DrawRectangle(BASE2, BASE2, 100, 100);
gc->DrawBitmap(m_smile_bmp, BASE2, BASE2, 100, 100);
gc->PopState();
// Draw graphics bitmap and its subbitmap
gc->PushState();
gc->Translate(300, 400);
gc->DrawText(wxS("Smiley as a graphics bitmap"), 0, 0);
wxGraphicsBitmap gbmp1 = gc->CreateBitmap(m_smile_bmp);
gc->DrawBitmap(gbmp1, 0, BASE2, 50, 50);
int bmpw = m_smile_bmp.GetWidth();
int bmph = m_smile_bmp.GetHeight();
wxGraphicsBitmap gbmp2 = gc->CreateSubBitmap(gbmp1, 0, bmph/5, bmpw/2, bmph/2);
gc->DrawBitmap(gbmp2, 80, BASE2, 50, 50*(bmph/2)/(bmpw/2));
gc->PopState();
}
#endif // wxUSE_GRAPHICS_CONTEXT