gdiplus: Added GdipDrawLine.

dlls/gdiplus/gdiplus.spec

@@ -185,7 +185,7 @@
 @ stub GdipDrawImageRectI
 @ stub GdipDrawImageRectRect
 @ stub GdipDrawImageRectRectI
-@ stub GdipDrawLine
+@ stdcall GdipDrawLine(ptr ptr long long long long)
 @ stdcall GdipDrawLineI(ptr ptr long long long long)
 @ stdcall GdipDrawLines(ptr ptr ptr long)
 @ stub GdipDrawLinesI

dlls/gdiplus/graphics.c

@@ -1076,6 +1076,30 @@ GpStatus WINGDIPAPI GdipDrawImagePointsRect(GpGraphics *graphics, GpImage *image
     return Ok;
 }
 
+GpStatus WINGDIPAPI GdipDrawLine(GpGraphics *graphics, GpPen *pen, REAL x1,
+    REAL y1, REAL x2, REAL y2)
+{
+    INT save_state;
+    GpPointF pt[2];
+    GpStatus retval;
+
+    if(!pen || !graphics)
+        return InvalidParameter;
+
+    pt[0].X = x1;
+    pt[0].Y = y1;
+    pt[1].X = x2;
+    pt[1].Y = y2;
+
+    save_state = prepare_dc(graphics, pen);
+
+    retval = draw_polyline(graphics, pen, pt, 2, TRUE);
+
+    restore_dc(graphics, save_state);
+
+    return retval;
+}
+
 GpStatus WINGDIPAPI GdipDrawLineI(GpGraphics *graphics, GpPen *pen, INT x1,
     INT y1, INT x2, INT y2)
 {

include/gdiplusflat.h

@@ -60,6 +60,7 @@ GpStatus WINGDIPAPI GdipDrawCurve2(GpGraphics*,GpPen*,GDIPCONST GpPointF*,INT,RE
 GpStatus WINGDIPAPI GdipDrawImagePointsRect(GpGraphics*,GpImage*,
     GDIPCONST GpPointF*,INT,REAL,REAL,REAL,REAL,GpUnit,
     GDIPCONST GpImageAttributes*,DrawImageAbort,VOID*);
+GpStatus WINGDIPAPI GdipDrawLine(GpGraphics *graphics,GpPen*,REAL,REAL,REAL,REAL);
 GpStatus WINGDIPAPI GdipDrawLineI(GpGraphics*,GpPen*,INT,INT,INT,INT);
 GpStatus WINGDIPAPI GdipDrawLines(GpGraphics*,GpPen*,GDIPCONST GpPointF*,INT);
 GpStatus WINGDIPAPI GdipDrawPath(GpGraphics*,GpPen*,GpPath*);