gdiplus: Implement GdipDrawCurve3 and GdipDrawCurve3I.

dlls/gdiplus/gdiplus.spec

@@ -165,8 +165,8 @@
 @ stdcall GdipDrawClosedCurveI(ptr ptr ptr long)
 @ stdcall GdipDrawCurve2(ptr ptr ptr long long)
 @ stdcall GdipDrawCurve2I(ptr ptr ptr long long)
-@ stub GdipDrawCurve3
+@ stdcall GdipDrawCurve3(ptr ptr ptr long long long long)
-@ stub GdipDrawCurve3I
+@ stdcall GdipDrawCurve3I(ptr ptr ptr long long long long)
 @ stdcall GdipDrawCurve(ptr ptr ptr long)
 @ stdcall GdipDrawCurveI(ptr ptr ptr long)
 @ stdcall GdipDrawDriverString(ptr ptr long ptr ptr ptr long ptr)

dlls/gdiplus/graphics.c

@@ -1532,6 +1532,36 @@ GpStatus WINGDIPAPI GdipDrawCurve2I(GpGraphics *graphics, GpPen *pen,
     return ret;
 }
 
+GpStatus WINGDIPAPI GdipDrawCurve3(GpGraphics *graphics, GpPen *pen,
+    GDIPCONST GpPointF *points, INT count, INT offset, INT numberOfSegments,
+    REAL tension)
+{
+    TRACE("(%p, %p, %p, %d, %d, %d, %.2f)\n", graphics, pen, points, count, offset, numberOfSegments, tension);
+
+    if(offset >= count || numberOfSegments > count - offset - 1 || numberOfSegments <= 0){
+        return InvalidParameter;
+    }
+
+    return GdipDrawCurve2(graphics, pen, points + offset, numberOfSegments + 1, tension);
+}
+
+GpStatus WINGDIPAPI GdipDrawCurve3I(GpGraphics *graphics, GpPen *pen,
+    GDIPCONST GpPoint *points, INT count, INT offset, INT numberOfSegments,
+    REAL tension)
+{
+    TRACE("(%p, %p, %p, %d, %d, %d, %.2f)\n", graphics, pen, points, count, offset, numberOfSegments, tension);
+
+    if(count < 0){
+        return OutOfMemory;
+    }
+
+    if(offset >= count || numberOfSegments > count - offset - 1 || numberOfSegments <= 0){
+        return InvalidParameter;
+    }
+
+    return GdipDrawCurve2I(graphics, pen, points + offset, numberOfSegments + 1, tension);
+}
+
 GpStatus WINGDIPAPI GdipDrawEllipse(GpGraphics *graphics, GpPen *pen, REAL x,
     REAL y, REAL width, REAL height)
 {

dlls/gdiplus/tests/graphics.c

@@ -361,6 +361,166 @@ static void test_GdipDrawBezierI(void)
     ReleaseDC(0, hdc);
 }
 
+static void test_GdipDrawCurve3(void)
+{
+    GpStatus status;
+    GpGraphics *graphics = NULL;
+    GpPen *pen = NULL;
+    HDC hdc = GetDC(0);
+    GpPointF points[3];
+
+    points[0].X = 0;
+    points[0].Y = 0;
+
+    points[1].X = 40;
+    points[1].Y = 20;
+
+    points[2].X = 10;
+    points[2].Y = 40;
+
+    /* make a graphics object and pen object */
+    ok(hdc != NULL, "Expected HDC to be initialized\n");
+
+    status = GdipCreateFromHDC(hdc, &graphics);
+    expect(Ok, status);
+    ok(graphics != NULL, "Expected graphics to be initialized\n");
+
+    status = GdipCreatePen1((ARGB)0xffff00ff, 10.0f, UnitPixel, &pen);
+    expect(Ok, status);
+    ok(pen != NULL, "Expected pen to be initialized\n");
+
+    /* InvalidParameter cases: null graphics, null pen */
+    status = GdipDrawCurve3(NULL, NULL, points, 3, 0, 2, 1);
+    expect(InvalidParameter, status);
+
+    status = GdipDrawCurve3(graphics, NULL, points, 3, 0, 2, 1);
+    expect(InvalidParameter, status);
+
+    status = GdipDrawCurve3(NULL, pen, points, 3, 0, 2, 1);
+    expect(InvalidParameter, status);
+
+    /* InvalidParameter cases: invalid count */
+    status = GdipDrawCurve3(graphics, pen, points, -1, 0, 2, 1);
+    expect(InvalidParameter, status);
+
+    status = GdipDrawCurve3(graphics, pen, points, 0, 0, 2, 1);
+    expect(InvalidParameter, status);
+
+    status = GdipDrawCurve3(graphics, pen, points, 1, 0, 0, 1);
+    expect(InvalidParameter, status);
+
+    status = GdipDrawCurve3(graphics, pen, points, 3, 4, 2, 1);
+    expect(InvalidParameter, status);
+
+    /* InvalidParameter cases: invalid number of segments */
+    status = GdipDrawCurve3(graphics, pen, points, 3, 0, -1, 1);
+    expect(InvalidParameter, status);
+
+    status = GdipDrawCurve3(graphics, pen, points, 3, 1, 2, 1);
+    expect(InvalidParameter, status);
+
+    status = GdipDrawCurve3(graphics, pen, points, 2, 0, 2, 1);
+    expect(InvalidParameter, status);
+
+    /* Valid test cases */
+    status = GdipDrawCurve3(graphics, pen, points, 2, 0, 1, 1);
+    expect(Ok, status);
+
+    status = GdipDrawCurve3(graphics, pen, points, 3, 0, 2, 2);
+    expect(Ok, status);
+
+    status = GdipDrawCurve3(graphics, pen, points, 2, 0, 1, -2);
+    expect(Ok, status);
+
+    status = GdipDrawCurve3(graphics, pen, points, 3, 1, 1, 0);
+    expect(Ok, status);
+
+    GdipDeletePen(pen);
+    GdipDeleteGraphics(graphics);
+
+    ReleaseDC(0, hdc);
+}
+
+static void test_GdipDrawCurve3I(void)
+{
+    GpStatus status;
+    GpGraphics *graphics = NULL;
+    GpPen *pen = NULL;
+    HDC hdc = GetDC(0);
+    GpPoint points[3];
+
+    points[0].X = 0;
+    points[0].Y = 0;
+
+    points[1].X = 40;
+    points[1].Y = 20;
+
+    points[2].X = 10;
+    points[2].Y = 40;
+
+    /* make a graphics object and pen object */
+    ok(hdc != NULL, "Expected HDC to be initialized\n");
+
+    status = GdipCreateFromHDC(hdc, &graphics);
+    expect(Ok, status);
+    ok(graphics != NULL, "Expected graphics to be initialized\n");
+
+    status = GdipCreatePen1((ARGB)0xffff00ff, 10.0f, UnitPixel, &pen);
+    expect(Ok, status);
+    ok(pen != NULL, "Expected pen to be initialized\n");
+
+    /* InvalidParameter cases: null graphics, null pen */
+    status = GdipDrawCurve3I(NULL, NULL, points, 3, 0, 2, 1);
+    expect(InvalidParameter, status);
+
+    status = GdipDrawCurve3I(graphics, NULL, points, 3, 0, 2, 1);
+    expect(InvalidParameter, status);
+
+    status = GdipDrawCurve3I(NULL, pen, points, 3, 0, 2, 1);
+    expect(InvalidParameter, status);
+
+    /* InvalidParameter cases: invalid count */
+    status = GdipDrawCurve3I(graphics, pen, points, -1, -1, -1, 1);
+    expect(OutOfMemory, status);
+
+    status = GdipDrawCurve3I(graphics, pen, points, 0, 0, 2, 1);
+    expect(InvalidParameter, status);
+
+    status = GdipDrawCurve3I(graphics, pen, points, 1, 0, 0, 1);
+    expect(InvalidParameter, status);
+
+    status = GdipDrawCurve3I(graphics, pen, points, 3, 4, 2, 1);
+    expect(InvalidParameter, status);
+
+    /* InvalidParameter cases: invalid number of segments */
+    status = GdipDrawCurve3I(graphics, pen, points, 3, 0, -1, 1);
+    expect(InvalidParameter, status);
+
+    status = GdipDrawCurve3I(graphics, pen, points, 3, 1, 2, 1);
+    expect(InvalidParameter, status);
+
+    status = GdipDrawCurve3I(graphics, pen, points, 2, 0, 2, 1);
+    expect(InvalidParameter, status);
+
+    /* Valid test cases */
+    status = GdipDrawCurve3I(graphics, pen, points, 2, 0, 1, 1);
+    expect(Ok, status);
+
+    status = GdipDrawCurve3I(graphics, pen, points, 3, 0, 2, 2);
+    expect(Ok, status);
+
+    status = GdipDrawCurve3I(graphics, pen, points, 2, 0, 1, -2);
+    expect(Ok, status);
+
+    status = GdipDrawCurve3I(graphics, pen, points, 3, 1, 1, 0);
+    expect(Ok, status);
+
+    GdipDeletePen(pen);
+    GdipDeleteGraphics(graphics);
+
+    ReleaseDC(0, hdc);
+}
+
 static void test_GdipDrawCurve2(void)
 {
     GpStatus status;
@@ -1345,6 +1505,8 @@ START_TEST(graphics)
     test_GdipDrawCurveI();
     test_GdipDrawCurve2();
     test_GdipDrawCurve2I();
+    test_GdipDrawCurve3();
+    test_GdipDrawCurve3I();
     test_GdipDrawLineI();
     test_GdipDrawLinesI();
     test_GdipDrawString();

include/gdiplusflat.h

@@ -147,6 +147,8 @@ GpStatus WINGDIPAPI GdipDrawCurve(GpGraphics*,GpPen*,GDIPCONST GpPointF*,INT);
 GpStatus WINGDIPAPI GdipDrawCurveI(GpGraphics*,GpPen*,GDIPCONST GpPoint*,INT);
 GpStatus WINGDIPAPI GdipDrawCurve2(GpGraphics*,GpPen*,GDIPCONST GpPointF*,INT,REAL);
 GpStatus WINGDIPAPI GdipDrawCurve2I(GpGraphics*,GpPen*,GDIPCONST GpPoint*,INT,REAL);
+GpStatus WINGDIPAPI GdipDrawCurve3(GpGraphics*,GpPen*,GDIPCONST GpPointF*,INT,INT,INT,REAL);
+GpStatus WINGDIPAPI GdipDrawCurve3I(GpGraphics*,GpPen*,GDIPCONST GpPoint*,INT,INT,INT,REAL);
 GpStatus WINGDIPAPI GdipDrawEllipse(GpGraphics*,GpPen*,REAL,REAL,REAL,REAL);
 GpStatus WINGDIPAPI GdipDrawEllipseI(GpGraphics*,GpPen*,INT,INT,INT,INT);
 GpStatus WINGDIPAPI GdipDrawImage(GpGraphics*,GpImage*,REAL,REAL);