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comparison win/dw.c @ 1261:61d0c5f84644

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Initial attempt at adding dw_draw_arc() support on all platforms. This code doesn't yet work... will probably require a bunch of fixes... but I wanted to get the code committed while doing research on it.
author bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date Tue, 25 Oct 2011 10:51:59 +0000
parents 35b177e8a0a2
children 148daf522080
comparison
equal deleted inserted replaced
1260:3cbd8de0b50b 1261:61d0c5f84644
8813 FrameRect(hdcPaint, &Rect, TlsGetValue(_hBrush)); 8813 FrameRect(hdcPaint, &Rect, TlsGetValue(_hBrush));
8814 if(!pixmap) 8814 if(!pixmap)
8815 ReleaseDC(handle, hdcPaint); 8815 ReleaseDC(handle, hdcPaint);
8816 } 8816 }
8817 8817
8818 /* Draw an arc on a window (preferably a render window).
8819 * Parameters:
8820 * handle: Handle to the window.
8821 * pixmap: Handle to the pixmap. (choose only one of these)
8822 * flags: For future use.
8823 * xorigin: X coordinate of center of arc.
8824 * yorigin: Y coordinate of center of arc.
8825 * x1: X coordinate of first segment of arc.
8826 * y1: Y coordinate of first segment of arc.
8827 * x2: X coordinate of second segment of arc.
8828 * y2: Y coordinate of second segment of arc.
8829 */
8830 void API dw_draw_arc(HWND handle, HPIXMAP pixmap, int flags, int xorigin, int yorigin, int x1, int y1, int x2, int y2)
8831 {
8832 HDC hdcPaint;
8833 HBRUSH oldBrush;
8834 HPEN oldPen;
8835 double dx = xorigin - x1;
8836 double dy = yorigin - y1;
8837 double r = sqrt(dx*dx + dy*dy);
8838
8839 if(handle)
8840 hdcPaint = GetDC(handle);
8841 else if(pixmap)
8842 hdcPaint = pixmap->hdc;
8843 else
8844 return;
8845
8846 oldBrush = SelectObject( hdcPaint, TlsGetValue(_hBrush) );
8847 oldPen = SelectObject( hdcPaint, TlsGetValue(_hPen) );
8848 Arc(hdcPaint, xorigin-r, yorigin-r, xorigin+r, yorigin+r, x1, y1, x2, y2);
8849 SelectObject( hdcPaint, oldBrush );
8850 SelectObject( hdcPaint, oldPen );
8851
8852 if(!pixmap)
8853 ReleaseDC(handle, hdcPaint);
8854 }
8855
8818 /* Draw text on a window (preferably a render window). 8856 /* Draw text on a window (preferably a render window).
8819 * Parameters: 8857 * Parameters:
8820 * handle: Handle to the window. 8858 * handle: Handle to the window.
8821 * pixmap: Handle to the pixmap. (choose only one of these) 8859 * pixmap: Handle to the pixmap. (choose only one of these)
8822 * x: X coordinate. 8860 * x: X coordinate.