[GDI+: 3/7] implemented GdipDrawArc
Evan Stade
estade at gmail.com
Wed Jun 13 18:41:18 CDT 2007
Hi,
changelog:
*implemented GdipDrawArc
dlls/gdiplus/gdiplus.spec | 2 +-
dlls/gdiplus/graphics.c | 25 +++++++++++++++++++++++++
include/gdiplusflat.h | 1 +
3 files changed, 27 insertions(+), 1 deletions(-)
-Evan Stade
-------------- next part --------------
diff --git a/dlls/gdiplus/gdiplus.spec b/dlls/gdiplus/gdiplus.spec
index 80a1928..f083908 100644
--- a/dlls/gdiplus/gdiplus.spec
+++ b/dlls/gdiplus/gdiplus.spec
@@ -142,7 +142,7 @@
@ stub GdipDeleteStringFormat
@ stub GdipDisposeImage
@ stub GdipDisposeImageAttributes
-@ stub GdipDrawArc
+@ stdcall GdipDrawArc(ptr ptr long long long long long long)
@ stub GdipDrawArcI
@ stub GdipDrawBezier
@ stub GdipDrawBezierI
diff --git a/dlls/gdiplus/graphics.c b/dlls/gdiplus/graphics.c
index 7109110..34c146c 100644
--- a/dlls/gdiplus/graphics.c
+++ b/dlls/gdiplus/graphics.c
@@ -114,6 +114,31 @@ GpStatus WINGDIPAPI GdipDeleteGraphics(G
return Ok;
}
+GpStatus WINGDIPAPI GdipDrawArc(GpGraphics *graphics, GpPen *pen, REAL x,
+ REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
+{
+ HGDIOBJ old_pen;
+ REAL x_0, y_0, x_1, y_1, x_2, y_2;
+
+ if(!graphics || !pen)
+ return InvalidParameter;
+
+ old_pen = SelectObject(graphics->hdc, pen->gdipen);
+
+ x_0 = x + (width/2.0);
+ y_0 = y + (height/2.0);
+
+ deg2xy(startAngle+sweepAngle, x_0, y_0, &x_1, &y_1);
+ deg2xy(startAngle, x_0, y_0, &x_2, &y_2);
+
+ Arc(graphics->hdc, roundr(x), roundr(y), roundr(x+width), roundr(y+height),
+ roundr(x_1), roundr(y_1), roundr(x_2), roundr(y_2));
+
+ SelectObject(graphics->hdc, old_pen);
+
+ return Ok;
+}
+
GpStatus WINGDIPAPI GdipDrawLineI(GpGraphics *graphics, GpPen *pen, INT x1,
INT y1, INT x2, INT y2)
{
diff --git a/include/gdiplusflat.h b/include/gdiplusflat.h
index d632bbe..2336641 100644
--- a/include/gdiplusflat.h
+++ b/include/gdiplusflat.h
@@ -31,6 +31,7 @@ GpStatus WINGDIPAPI GdipDeletePen(GpPen*
GpStatus WINGDIPAPI GdipCreateFromHDC(HDC,GpGraphics**);
GpStatus WINGDIPAPI GdipCreateFromHWND(HWND,GpGraphics**);
GpStatus WINGDIPAPI GdipDeleteGraphics(GpGraphics *);
+GpStatus WINGDIPAPI GdipDrawArc(GpGraphics*,GpPen*,REAL,REAL,REAL,REAL,REAL,REAL);
GpStatus WINGDIPAPI GdipDrawLineI(GpGraphics*,GpPen*,INT,INT,INT,INT);
GpStatus WINGDIPAPI GdipDrawPie(GpGraphics*,GpPen*,REAL,REAL,REAL,REAL,REAL,REAL);
GpStatus WINGDIPAPI GdipDrawRectangleI(GpGraphics*,GpPen*,INT,INT,INT,INT);
--
1.4.1
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