Evan Stade : gdiplus: Implemented GdipDrawArc.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: c42f8794a1519ac0dba46c7c638372ba3310b121
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=c42f8794a1519ac0dba46c7c63...

Author: Evan Stade 
Date:   Tue Jun 19 19:31:19 2007 -0700

gdiplus: Implemented GdipDrawArc.

---

dlls/gdiplus/gdiplus.spec |    2 +-
 dlls/gdiplus/graphics.c   |   25 +++++++++++++++++++++++++
 include/gdiplusflat.h     |    1 +
 3 files changed, 27 insertions(+), 1 deletions(-)

diff --git a/dlls/gdiplus/gdiplus.spec b/dlls/gdiplus/gdiplus.spec
index 4916853..3036155 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
 @ stdcall GdipDrawBezier(ptr ptr long long long long long long long long)
 @ stub GdipDrawBezierI
diff --git a/dlls/gdiplus/graphics.c b/dlls/gdiplus/graphics.c
index b455cc4..a4ba0ca 100644
--- a/dlls/gdiplus/graphics.c
+++ b/dlls/gdiplus/graphics.c
@@ -116,6 +116,31 @@ GpStatus WINGDIPAPI GdipDeleteGraphics(GpGraphics *graphics)
     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 GdipDrawBezier(GpGraphics *graphics, GpPen *pen, REAL x1,
     REAL y1, REAL x2, REAL y2, REAL x3, REAL y3, REAL x4, REAL y4)
 {
diff --git a/include/gdiplusflat.h b/include/gdiplusflat.h
index e949301..538f1f4 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 GdipDrawBezier(GpGraphics*,GpPen*,REAL,REAL,REAL,REAL,REAL,
     REAL,REAL,REAL);
 GpStatus WINGDIPAPI GdipDrawLineI(GpGraphics*,GpPen*,INT,INT,INT,INT);