include/gdiplus/gdipluspath.h

/*
 * gdipluspath.h
 *
 * GDI+ GraphicsPath class
 *
 * This file is part of the w32api package.
 *
 * Contributors:
 *   Created by Markus Koenig <markus@stber-koenig.de>
 *
 * THIS SOFTWARE IS NOT COPYRIGHTED
 *
 * This source code is offered for use in the public domain. You may
 * use, modify or distribute it freely.
 *
 * This code is distributed in the hope that it will be useful but
 * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
 * DISCLAIMED. This includes but is not limited to warranties of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 */

#ifndef __GDIPLUS_PATH_H
#define __GDIPLUS_PATH_H
#if __GNUC__ >=3
#pragma GCC system_header
#endif

#ifndef __cplusplus
#error "A C++ compiler is required to include gdipluspath.h."
#endif

// Note that some methods of GraphicsPath are implemented in gdiplusimpl.h.
// This avoids a cyclic dependency on Graphics and Pen.

class GraphicsPath: public GdiplusBase
{
        friend class CustomLineCap;
        friend class Graphics;
        friend class GraphicsPathIterator;
        friend class PathGradientBrush;
        friend class Region;

public:
        GraphicsPath(FillMode fillMode = FillModeAlternate):
                        nativePath(NULL), lastStatus(Ok)
        {
                lastStatus = DllExports::GdipCreatePath(fillMode, &nativePath);
        }
        GraphicsPath(const PointF *points, const BYTE *types, INT count,
                        FillMode fillMode = FillModeAlternate):
                        nativePath(NULL), lastStatus(Ok)
        {
                lastStatus = DllExports::GdipCreatePath2(
                                points, types, count, fillMode, &nativePath);
        }
        GraphicsPath(const Point *points, const BYTE *types, INT count,
                        FillMode fillMode = FillModeAlternate):
                        nativePath(NULL), lastStatus(Ok)
        {
                lastStatus = DllExports::GdipCreatePath2I(
                                points, types, count, fillMode, &nativePath);
        }
        ~GraphicsPath()
        {
                DllExports::GdipDeletePath(nativePath);
        }
        GraphicsPath* Clone() const
        {
                GpPath *clonePath = NULL;
                Status status = updateStatus(DllExports::GdipClonePath(
                                nativePath, &clonePath));
                if (status == Ok) {
                        GraphicsPath *result = new GraphicsPath(clonePath, lastStatus);
                        if (!result) {
                                DllExports::GdipDeletePath(clonePath);
                                lastStatus = OutOfMemory;
                        }
                        return result;
                } else {
                        return NULL;
                }
        }

        Status AddArc(REAL x, REAL y, REAL width, REAL height,
                        REAL startAngle, REAL sweepAngle)
        {
                return updateStatus(DllExports::GdipAddPathArc(nativePath,
                                x, y, width, height, startAngle, sweepAngle));
        }
        Status AddArc(INT x, INT y, INT width, INT height,
                        REAL startAngle, REAL sweepAngle)
        {
                return updateStatus(DllExports::GdipAddPathArcI(nativePath,
                                x, y, width, height, startAngle, sweepAngle));
        }
        Status AddArc(const RectF& rect, REAL startAngle, REAL sweepAngle)
        {
                return updateStatus(DllExports::GdipAddPathArc(nativePath,
                                rect.X, rect.Y, rect.Width, rect.Height,
                                startAngle, sweepAngle));
        }
        Status AddArc(const Rect& rect, REAL startAngle, REAL sweepAngle)
        {
                return updateStatus(DllExports::GdipAddPathArcI(nativePath,
                                rect.X, rect.Y, rect.Width, rect.Height,
                                startAngle, sweepAngle));
        }
        Status AddBezier(REAL x1, REAL y1, REAL x2, REAL y2,
                        REAL x3, REAL y3, REAL x4, REAL y4)
        {
                return updateStatus(DllExports::GdipAddPathBezier(nativePath,
                                x1, y1, x2, y2, x3, y3, x4, y4));
        }
        Status AddBezier(INT x1, INT y1, INT x2, INT y2,
                        INT x3, INT y3, INT x4, INT y4)
        {
                return updateStatus(DllExports::GdipAddPathBezierI(nativePath,
                                x1, y1, x2, y2, x3, y3, x4, y4));
        }
        Status AddBezier(const PointF& pt1, const PointF& pt2,
                        const PointF& pt3, const PointF& pt4)
        {
                return updateStatus(DllExports::GdipAddPathBezier(nativePath,
                                pt1.X, pt1.Y, pt2.X, pt2.Y,
                                pt3.X, pt3.Y, pt4.X, pt4.Y));
        }
        Status AddBezier(const Point& pt1, const Point& pt2,
                        const Point& pt3, const Point& pt4)
        {
                return updateStatus(DllExports::GdipAddPathBezierI(nativePath,
                                pt1.X, pt1.Y, pt2.X, pt2.Y,
                                pt3.X, pt3.Y, pt4.X, pt4.Y));
        }
        Status AddBeziers(const PointF *points, INT count)
        {
                return updateStatus(DllExports::GdipAddPathBeziers(
                                nativePath, points, count));
        }
        Status AddBeziers(const Point *points, INT count)
        {
                return updateStatus(DllExports::GdipAddPathBeziersI(
                                nativePath, points, count));
        }
        Status AddClosedCurve(const PointF *points, INT count)
        {
                return updateStatus(DllExports::GdipAddPathClosedCurve(
                                nativePath, points, count));
        }
        Status AddClosedCurve(const Point *points, INT count)
        {
                return updateStatus(DllExports::GdipAddPathClosedCurveI(
                                nativePath, points, count));
        }
        Status AddClosedCurve(const PointF *points, INT count, REAL tension)
        {
                return updateStatus(DllExports::GdipAddPathClosedCurve2(
                                nativePath, points, count, tension));
        }
        Status AddClosedCurve(const Point *points, INT count, REAL tension)
        {
                return updateStatus(DllExports::GdipAddPathClosedCurve2I(
                                nativePath, points, count, tension));
        }
        Status AddCurve(const PointF *points, INT count)
        {
                return updateStatus(DllExports::GdipAddPathCurve(
                                nativePath, points, count));
        }
        Status AddCurve(const Point *points, INT count)
        {
                return updateStatus(DllExports::GdipAddPathCurveI(
                                nativePath, points, count));
        }
        Status AddCurve(const PointF *points, INT count, REAL tension)
        {
                return updateStatus(DllExports::GdipAddPathCurve2(
                                nativePath, points, count, tension));
        }
        Status AddCurve(const Point *points, INT count, REAL tension)
        {
                return updateStatus(DllExports::GdipAddPathCurve2I(
                                nativePath, points, count, tension));
        }
        Status AddCurve(const PointF *points, INT count, INT offset,
                        INT numberOfSegments, REAL tension)
        {
                return updateStatus(DllExports::GdipAddPathCurve3(
                                nativePath, points, count,
                                offset, numberOfSegments, tension));
        }
        Status AddCurve(const Point *points, INT count, INT offset,
                        INT numberOfSegments, REAL tension)
        {
                return updateStatus(DllExports::GdipAddPathCurve3I(
                                nativePath, points, count,
                                offset, numberOfSegments, tension));
        }
        Status AddEllipse(REAL x, REAL y, REAL width, REAL height)
        {
                return updateStatus(DllExports::GdipAddPathEllipse(nativePath,
                                x, y, width, height));
        }
        Status AddEllipse(INT x, INT y, INT width, INT height)
        {
                return updateStatus(DllExports::GdipAddPathEllipseI(nativePath,
                                x, y, width, height));
        }
        Status AddEllipse(const RectF& rect)
        {
                return updateStatus(DllExports::GdipAddPathEllipse(nativePath,
                                rect.X, rect.Y, rect.Width, rect.Height));
        }
        Status AddEllipse(const Rect& rect)
        {
                return updateStatus(DllExports::GdipAddPathEllipseI(nativePath,
                                rect.X, rect.Y, rect.Width, rect.Height));
        }
        Status AddLine(REAL x1, REAL y1, REAL x2, REAL y2)
        {
                return updateStatus(DllExports::GdipAddPathLine(nativePath,
                                x1, y1, x2, y2));
        }
        Status AddLine(INT x1, INT y1, INT x2, INT y2)
        {
                return updateStatus(DllExports::GdipAddPathLineI(nativePath,
                                x1, y1, x2, y2));
        }
        Status AddLine(const PointF& pt1, const PointF& pt2)
        {
                return updateStatus(DllExports::GdipAddPathLine(nativePath,
                                pt1.X, pt1.Y, pt2.X, pt2.Y));
        }
        Status AddLine(const Point& pt1, const Point& pt2)
        {
                return updateStatus(DllExports::GdipAddPathLineI(nativePath,
                                pt1.X, pt1.Y, pt2.X, pt2.Y));
        }
        Status AddLines(const PointF *points, INT count)
        {
                return updateStatus(DllExports::GdipAddPathLine2(nativePath,
                                points, count));
        }
        Status AddLines(const Point *points, INT count)
        {
                return updateStatus(DllExports::GdipAddPathLine2I(nativePath,
                                points, count));
        }
        Status AddPath(const GraphicsPath *addingPath, BOOL connect)
        {
                return updateStatus(DllExports::GdipAddPathPath(nativePath,
                                addingPath ? addingPath->nativePath : NULL,
                                connect));
        }
        Status AddPie(REAL x, REAL y, REAL width, REAL height,
                        REAL startAngle, REAL sweepAngle)
        {
                return updateStatus(DllExports::GdipAddPathPie(nativePath,
                                x, y, width, height, startAngle, sweepAngle));
        }
        Status AddPie(INT x, INT y, INT width, INT height,
                        REAL startAngle, REAL sweepAngle)
        {
                return updateStatus(DllExports::GdipAddPathPieI(nativePath,
                                x, y, width, height, startAngle, sweepAngle));
        }
        Status AddPie(const RectF& rect, REAL startAngle, REAL sweepAngle)
        {
                return updateStatus(DllExports::GdipAddPathPie(nativePath,
                                rect.X, rect.Y, rect.Width, rect.Height,
                                startAngle, sweepAngle));
        }
        Status AddPie(const Rect& rect, REAL startAngle, REAL sweepAngle)
        {
                return updateStatus(DllExports::GdipAddPathPieI(nativePath,
                                rect.X, rect.Y, rect.Width, rect.Height,
                                startAngle, sweepAngle));
        }
        Status AddPolygon(const PointF *points, INT count)
        {
                return updateStatus(DllExports::GdipAddPathPolygon(nativePath,
                                points, count));
        }
        Status AddPolygon(const Point *points, INT count)
        {
                return updateStatus(DllExports::GdipAddPathPolygonI(nativePath,
                                points, count));
        }
        Status AddRectangle(const RectF& rect)
        {
                return updateStatus(DllExports::GdipAddPathRectangle(nativePath,
                                rect.X, rect.Y, rect.Width, rect.Height));
        }
        Status AddRectangle(const Rect& rect)
        {
                return updateStatus(DllExports::GdipAddPathRectangleI(
                                nativePath,
                                rect.X, rect.Y, rect.Width, rect.Height));
        }
        Status AddRectangles(const RectF *rects, INT count)
        {
                return updateStatus(DllExports::GdipAddPathRectangles(
                                nativePath, rects, count));
        }
        Status AddRectangles(const Rect *rects, INT count)
        {
                return updateStatus(DllExports::GdipAddPathRectanglesI(
                                nativePath, rects, count));
        }
        Status AddString(const WCHAR *string, INT length,
                        const FontFamily *family, INT style, REAL emSize,
                        const PointF& origin, const StringFormat *format)
        {
                RectF layoutRect(origin, SizeF(0.0f, 0.0f));
                return updateStatus(DllExports::GdipAddPathString(nativePath,
                                string, length,
                                family ? family->nativeFontFamily : NULL,
                                style, emSize, &layoutRect,
                                format ? format->nativeStringFormat : NULL));
        }
        Status AddString(const WCHAR *string, INT length,
                        const FontFamily *family, INT style, REAL emSize,
                        const Point& origin, const StringFormat *format)
        {
                Rect layoutRect(origin, Size(0, 0));
                return updateStatus(DllExports::GdipAddPathStringI(nativePath,
                                string, length,
                                family ? family->nativeFontFamily : NULL,
                                style, emSize, &layoutRect,
                                format ? format->nativeStringFormat : NULL));
        }
        Status AddString(const WCHAR *string, INT length,
                        const FontFamily *family, INT style, REAL emSize,
                        const RectF& layoutRect, const StringFormat *format)
        {
                return updateStatus(DllExports::GdipAddPathString(nativePath,
                                string, length,
                                family ? family->nativeFontFamily : NULL,
                                style, emSize, &layoutRect,
                                format ? format->nativeStringFormat : NULL));
        }
        Status AddString(const WCHAR *string, INT length,
                        const FontFamily *family, INT style, REAL emSize,
                        const Rect& layoutRect, const StringFormat *format)
        {
                return updateStatus(DllExports::GdipAddPathStringI(nativePath,
                                string, length,
                                family ? family->nativeFontFamily : NULL,
                                style, emSize, &layoutRect,
                                format ? format->nativeStringFormat : NULL));
        }
        Status ClearMarkers()
        {
                return updateStatus(DllExports::GdipClearPathMarkers(
                                nativePath));
        }
        Status CloseAllFigures()
        {
                return updateStatus(DllExports::GdipClosePathFigures(
                                nativePath));
        }
        Status CloseFigure()
        {
                return updateStatus(DllExports::GdipClosePathFigure(
                                nativePath));
        }
        Status Flatten(const Matrix *matrix = NULL,
                        REAL flatness = FlatnessDefault)
        {
                return updateStatus(DllExports::GdipFlattenPath(nativePath,
                                matrix ? matrix->nativeMatrix : NULL,
                                flatness));
        }
        Status GetBounds(RectF *bounds, const Matrix *matrix = NULL,
                        const Pen *pen = NULL) const
        {
                return updateStatus(DllExports::GdipGetPathWorldBounds(
                                nativePath, bounds,
                                matrix ? matrix->nativeMatrix : NULL,
                                pen ? pen->nativePen : NULL));
        }
        Status GetBounds(Rect *bounds, const Matrix *matrix = NULL,
                        const Pen *pen = NULL) const
        {
                return updateStatus(DllExports::GdipGetPathWorldBoundsI(
                                nativePath, bounds,
                                matrix ? matrix->nativeMatrix : NULL,
                                pen ? pen->nativePen : NULL));
        }       
        FillMode GetFillMode() const
        {
                FillMode result = FillModeAlternate;
                updateStatus(DllExports::GdipGetPathFillMode(nativePath,
                                &result));
                return result;
        }
        Status GetLastPoint(PointF *lastPoint) const
        {
                return updateStatus(DllExports::GdipGetPathLastPoint(
                                nativePath, lastPoint));
        }
        Status GetLastStatus() const
        {
                Status result = lastStatus;
                lastStatus = Ok;
                return result;
        }
        Status GetPathData(PathData *pathData) const
        {
                if (!pathData) return lastStatus = InvalidParameter;

                Status status;
                INT count;

                status = updateStatus(DllExports::GdipGetPointCount(
                                nativePath, &count));
                if (status != Ok) return status;

                status = updateStatus(pathData->AllocateArrays(count));
                if (status != Ok) return status;

                return updateStatus(DllExports::GdipGetPathData(
                                nativePath, (GpPathData*) pathData));
        }
        Status GetPathPoints(PointF *points, INT count) const
        {
                return updateStatus(DllExports::GdipGetPathPoints(nativePath,
                                points, count));
        }
        Status GetPathPoints(Point *points, INT count) const
        {
                return updateStatus(DllExports::GdipGetPathPointsI(nativePath,
                                points, count));
        }
        Status GetPathTypes(BYTE *types, INT count) const
        {
                return updateStatus(DllExports::GdipGetPathTypes(nativePath,
                                types, count));
        }
        INT GetPointCount() const
        {
                INT result = 0;
                updateStatus(DllExports::GdipGetPointCount(nativePath,
                                &result));
                return result;
        }
        BOOL IsOutlineVisible(REAL x, REAL y, const Pen *pen,
                        const Graphics *g = NULL) const;
        BOOL IsOutlineVisible(INT x, INT y, const Pen *pen,
                        const Graphics *g = NULL) const;
        BOOL IsOutlineVisible(const PointF& point, const Pen *pen,
                        const Graphics *g = NULL) const;
        BOOL IsOutlineVisible(const Point& point, const Pen *pen,
                        const Graphics *g = NULL) const;
        BOOL IsVisible(REAL x, REAL y, const Graphics *g = NULL) const;
        BOOL IsVisible(INT x, INT y, const Graphics *g = NULL) const;
        BOOL IsVisible(const PointF& point, const Graphics *g = NULL) const;
        BOOL IsVisible(const Point& point, const Graphics *g = NULL) const;
        Status Outline(const Matrix *matrix = NULL,
                        REAL flatness = FlatnessDefault)
        {
                return updateStatus(DllExports::GdipWindingModeOutline(
                                nativePath,
                                matrix ? matrix->nativeMatrix : NULL,
                                flatness));
        }
        Status Reset()
        {
                return updateStatus(DllExports::GdipResetPath(nativePath));
        }
        Status Reverse()
        {
                return updateStatus(DllExports::GdipReversePath(nativePath));
        }
        Status SetFillMode(FillMode fillMode)
        {
                return updateStatus(DllExports::GdipSetPathFillMode(
                                nativePath, fillMode));
        }
        Status SetMarker()
        {
                return updateStatus(DllExports::GdipSetPathMarker(nativePath));
        }
        Status StartFigure()
        {
                return updateStatus(DllExports::GdipStartPathFigure(
                                nativePath));
        }
        Status Transform(const Matrix *matrix)
        {
                return updateStatus(DllExports::GdipTransformPath(
                                nativePath,
                                matrix ? matrix->nativeMatrix : NULL));
        }
        Status Warp(const PointF *destPoints, INT count, const RectF& srcRect,
                        const Matrix *matrix = NULL,
                        WarpMode warpMode = WarpModePerspective,
                        REAL flatness = FlatnessDefault)
        {
                return updateStatus(DllExports::GdipWarpPath(nativePath,
                                matrix ? matrix->nativeMatrix : NULL,
                                destPoints, count,
                                srcRect.X, srcRect.Y,
                                srcRect.Width, srcRect.Height,
                                warpMode, flatness));
        }
        Status Widen(const Pen *pen, const Matrix *matrix = NULL,
                        REAL flatness = FlatnessDefault)
        {
                return updateStatus(DllExports::GdipWidenPath(nativePath,
                                pen ? pen->nativePen : NULL,
                                matrix ? matrix->nativeMatrix : NULL,
                                flatness));
        }

private:
        GraphicsPath(GpPath *path, Status status):
                nativePath(path), lastStatus(status) {}
        GraphicsPath(const GraphicsPath&);
        GraphicsPath& operator=(const GraphicsPath&);

        Status updateStatus(Status newStatus) const
        {
                if (newStatus != Ok) lastStatus = newStatus;
                return newStatus;
        }

        GpPath *nativePath;
        mutable Status lastStatus;
};

class GraphicsPathIterator: public GdiplusBase
{
public:
        GraphicsPathIterator(GraphicsPath *path):
                nativePathIterator(NULL), lastStatus(Ok)
        {
                lastStatus = DllExports::GdipCreatePathIter(
                                &nativePathIterator,
                                path ? path->nativePath : NULL);
        }
        ~GraphicsPathIterator()
        {
                DllExports::GdipDeletePathIter(nativePathIterator);
        }

        INT CopyData(PointF *points, BYTE *types, INT startIndex, INT endIndex)
        {
                INT result = 0;
                updateStatus(DllExports::GdipPathIterCopyData(
                                nativePathIterator, &result,
                                points, types, startIndex, endIndex));
                return result;
        }
        INT Enumerate(PointF *points, BYTE *types, INT count)
        {
                INT result = 0;
                updateStatus(DllExports::GdipPathIterEnumerate(
                                nativePathIterator, &result,
                                points, types, count));
                return result;
        }
        INT GetCount() const
        {
                INT result = 0;
                updateStatus(DllExports::GdipPathIterGetCount(
                                nativePathIterator, &result));
                return result;
        }
        Status GetLastStatus() const
        {
                Status result = lastStatus;
                lastStatus = Ok;
                return result;
        }
        INT GetSubpathCount() const
        {
                INT result = 0;
                updateStatus(DllExports::GdipPathIterGetSubpathCount(
                                nativePathIterator, &result));
                return result;
        }
        BOOL HasCurve() const
        {
                BOOL result = FALSE;
                updateStatus(DllExports::GdipPathIterHasCurve(
                                nativePathIterator, &result));
                return result;
        }
        INT NextMarker(INT *startIndex, INT *endIndex)
        {
                INT result = 0;
                updateStatus(DllExports::GdipPathIterNextMarker(
                                nativePathIterator, &result,
                                startIndex, endIndex));
                return result;
        }
        INT NextMarker(GraphicsPath *path)
        {
                INT result = 0;
                updateStatus(DllExports::GdipPathIterNextMarkerPath(
                                nativePathIterator, &result,
                                path ? path->nativePath : NULL));
                return result;
        }
        INT NextPathType(BYTE *pathType, INT *startIndex, INT *endIndex)
        {
                INT result = 0;
                updateStatus(DllExports::GdipPathIterNextPathType(
                                nativePathIterator, &result,
                                pathType, startIndex, endIndex));
                return result;
        }
        INT NextSubpath(INT *startIndex, INT *endIndex, BOOL *isClosed)
        {
                INT result = 0;
                updateStatus(DllExports::GdipPathIterNextSubpath(
                                nativePathIterator, &result,
                                startIndex, endIndex, isClosed));
                return result;
        }
        INT NextSubpath(GraphicsPath *path, BOOL *isClosed)
        {
                INT result = 0;
                updateStatus(DllExports::GdipPathIterNextSubpathPath(
                                nativePathIterator, &result,
                                path ? path->nativePath : NULL, isClosed));
                return result;
        }
        VOID Rewind()
        {
                updateStatus(DllExports::GdipPathIterRewind(
                                nativePathIterator));
        }

private:
        GraphicsPathIterator(GpPathIterator *pathIterator, Status status):
                nativePathIterator(pathIterator), lastStatus(status) {}
        GraphicsPathIterator(const GraphicsPathIterator&);
        GraphicsPathIterator& operator=(const GraphicsPathIterator&);

        Status updateStatus(Status newStatus) const
        {
                if (newStatus != Ok) lastStatus = newStatus;
                return newStatus;
        }

        GpPathIterator *nativePathIterator;
        mutable Status lastStatus;
};

class PathGradientBrush: public Brush
{
public:
        PathGradientBrush(const PointF *points, INT count,
                        WrapMode wrapMode = WrapModeClamp)
        {
                GpPathGradient *nativePathGradient = NULL;
                lastStatus = DllExports::GdipCreatePathGradient(
                                points, count, wrapMode, &nativePathGradient);
                nativeBrush = nativePathGradient;
        }
        PathGradientBrush(const Point *points, INT count,
                        WrapMode wrapMode = WrapModeClamp)
        {
                GpPathGradient *nativePathGradient = NULL;
                lastStatus = DllExports::GdipCreatePathGradientI(
                                points, count, wrapMode, &nativePathGradient);
                nativeBrush = nativePathGradient;
        }
        PathGradientBrush(const GraphicsPath *path)
        {
                GpPathGradient *nativePathGradient = NULL;
                lastStatus = DllExports::GdipCreatePathGradientFromPath(
                                path ? path->nativePath : NULL,
                                &nativePathGradient);
                nativeBrush = nativePathGradient;
        }
        virtual PathGradientBrush *Clone() const
        {
                GpBrush *cloneBrush = NULL;
                Status status = updateStatus(DllExports::GdipCloneBrush(
                                nativeBrush, &cloneBrush));
                if (status == Ok) {
                        PathGradientBrush *result =
                                new PathGradientBrush(cloneBrush, lastStatus);
                        if (!result) {
                                DllExports::GdipDeleteBrush(cloneBrush);
                                updateStatus(OutOfMemory);
                        }
                        return result;
                } else {
                        return NULL;
                }
        }

        Status GetBlend(REAL *blendFactors, REAL *blendPositions,
                        INT count) const
        {
                return updateStatus(DllExports::GdipGetPathGradientBlend(
                                (GpPathGradient*) nativeBrush,
                                blendFactors, blendPositions, count));
        }
        INT GetBlendCount() const
        {
                INT result = 0;
                updateStatus(DllExports::GdipGetPathGradientBlendCount(
                                (GpPathGradient*) nativeBrush, &result));
                return result;
        }
        Status GetCenterColor(Color *color) const
        {
                return updateStatus(DllExports::GdipGetPathGradientCenterColor(
                                (GpPathGradient*) nativeBrush,
                                color ? &color->Value : NULL));
        }
        Status GetCenterPoint(PointF *point) const
        {
                return updateStatus(DllExports::GdipGetPathGradientCenterPoint(
                                (GpPathGradient*) nativeBrush, point));
        }
        Status GetCenterPoint(Point *point) const
        {
                return updateStatus(DllExports::GdipGetPathGradientCenterPointI(
                                (GpPathGradient*) nativeBrush, point));
        }
        Status GetFocusScales(REAL *xScale, REAL *yScale) const
        {
                return updateStatus(DllExports::GdipGetPathGradientFocusScales(
                                (GpPathGradient*) nativeBrush, xScale, yScale));
        }
        BOOL GetGammaCorrection() const
        {
                BOOL result = FALSE;
                updateStatus(DllExports::GdipGetPathGradientGammaCorrection(
                                (GpPathGradient*) nativeBrush, &result));
                return result;
        }
        //Status GetGraphicsPath(GraphicsPath *path) const
        //{
        //      // TODO: implement PathGradientBrush::GetGraphicsPath
        //      return updateStatus(NotImplemented);
        //}
        INT GetInterpolationColorCount() const
        {
                INT result = 0;
                updateStatus(DllExports::GdipGetPathGradientPresetBlendCount(
                                (GpPathGradient*) nativeBrush, &result));
                return result;
        }
        Status GetInterpolationColors(Color *presetColors,
                        REAL *blendPositions, INT count) const
        {
                if (!presetColors || count <= 0)
                        return lastStatus = InvalidParameter;

                ARGB *presetArgb =
                        (ARGB*) DllExports::GdipAlloc(count * sizeof(ARGB));
                if (!presetArgb)
                        return lastStatus = OutOfMemory;

                Status status = updateStatus(DllExports::GdipGetPathGradientPresetBlend(
                                (GpPathGradient*) nativeBrush,
                                presetArgb, blendPositions, count));
                for (INT i = 0; i < count; ++i) {
                        presetColors[i].SetValue(presetArgb[i]);
                }
                DllExports::GdipFree((void*) presetArgb);
                return status;
        }
        INT GetPointCount() const
        {
                INT result = 0;
                updateStatus(DllExports::GdipGetPathGradientPointCount(
                                (GpPathGradient*) nativeBrush, &result));
                return result;
        }
        Status GetRectangle(RectF *rect) const
        {
                return updateStatus(DllExports::GdipGetPathGradientRect(
                                (GpPathGradient*) nativeBrush, rect));
        }
        Status GetRectangle(Rect *rect) const
        {
                return updateStatus(DllExports::GdipGetPathGradientRectI(
                                (GpPathGradient*) nativeBrush, rect));
        }
        INT GetSurroundColorCount() const
        {
                INT result = 0;
                updateStatus(DllExports::GdipGetPathGradientSurroundColorCount(
                                (GpPathGradient*) nativeBrush, &result));
                return result;
        }
        Status GetSurroundColors(Color *colors, INT *count)
        {
                if (!colors || !count || *count <= 0)
                        return lastStatus = InvalidParameter;

                ARGB *colorsArgb =
                        (ARGB*) DllExports::GdipAlloc(*count * sizeof(ARGB));
                if (!colorsArgb)
                        return lastStatus = OutOfMemory;

                Status status = updateStatus(DllExports::GdipGetPathGradientSurroundColorsWithCount(
                                (GpPathGradient*) nativeBrush,
                                colorsArgb, count));
                for (INT i = 0; i < *count; ++i) {
                        colors[i].SetValue(colorsArgb[i]);
                }
                DllExports::GdipFree((void*) colorsArgb);
                return status;
        }
        Status GetTransform(Matrix *matrix) const
        {
                return updateStatus(DllExports::GdipGetPathGradientTransform(
                                (GpPathGradient*) nativeBrush,
                                matrix ? matrix->nativeMatrix : NULL));
        }
        WrapMode GetWrapMode() const
        {
                WrapMode result = WrapModeTile;
                updateStatus(DllExports::GdipGetPathGradientWrapMode(
                                (GpPathGradient*) nativeBrush, &result));
                return result;
        }
        Status MultiplyTransform(const Matrix *matrix,
                        MatrixOrder order = MatrixOrderPrepend)
        {
                return updateStatus(DllExports::GdipMultiplyPathGradientTransform(
                                (GpPathGradient*) nativeBrush,
                                matrix ? matrix->nativeMatrix : NULL, order));
        }
        Status ResetTransform()
        {
                return updateStatus(DllExports::GdipResetPathGradientTransform(
                                (GpPathGradient*) nativeBrush));
        }
        Status RotateTransform(REAL angle,
                        MatrixOrder order = MatrixOrderPrepend)
        {
                return updateStatus(DllExports::GdipRotatePathGradientTransform(
                                (GpPathGradient*) nativeBrush, angle, order));
        }
        Status ScaleTransform(REAL sx, REAL sy,
                        MatrixOrder order = MatrixOrderPrepend)
        {
                return updateStatus(DllExports::GdipScalePathGradientTransform(
                                (GpPathGradient*) nativeBrush, sx, sy, order));
        }
        Status SetBlend(REAL *blendFactors, REAL *blendPositions, INT count)
        {
                return updateStatus(DllExports::GdipSetPathGradientBlend(
                                (GpPathGradient*) nativeBrush,
                                blendFactors, blendPositions, count));
        }
        Status SetBlendBellShape(REAL focus, REAL scale = 1.0f)
        {
                return updateStatus(DllExports::GdipSetPathGradientSigmaBlend(
                                (GpPathGradient*) nativeBrush, focus, scale));
        }
        Status SetBlendTriangularShape(REAL focus, REAL scale = 1.0f)
        {
                return updateStatus(DllExports::GdipSetPathGradientLinearBlend(
                                (GpPathGradient*) nativeBrush, focus, scale));
        }
        Status SetCenterColor(const Color& color)
        {
                return updateStatus(DllExports::GdipSetPathGradientCenterColor(
                                (GpPathGradient*) nativeBrush,
                                color.GetValue()));
        }
        Status SetCenterPoint(const PointF& point)
        {
                return updateStatus(DllExports::GdipSetPathGradientCenterPoint(
                                (GpPathGradient*) nativeBrush, &point));
        }
        Status SetCenterPoint(const Point& point)
        {
                return updateStatus(DllExports::GdipSetPathGradientCenterPointI(
                                (GpPathGradient*) nativeBrush, &point));
        }
        Status SetFocusScales(REAL xScale, REAL yScale)
        {
                return updateStatus(DllExports::GdipSetPathGradientFocusScales(
                                (GpPathGradient*) nativeBrush, xScale, yScale));
        }
        Status SetGammaCorrection(BOOL useGammaCorrection)
        {
                return updateStatus(DllExports::GdipSetPathGradientGammaCorrection(
                                (GpPathGradient*) nativeBrush,
                                useGammaCorrection));
        }
        //Status SetGraphicsPath(const GraphicsPath *path)
        //{
        //      // TODO: implement PathGradientBrush::SetGraphicsPath
        //      return updateStatus(NotImplemented);
        //}
        Status SetInterpolationColors(const Color *presetColors,
                        REAL *blendPositions, INT count)
        {
                if (!presetColors || count <= 0)
                        return lastStatus = InvalidParameter;

                ARGB *presetArgb =
                        (ARGB*) DllExports::GdipAlloc(count * sizeof(ARGB));
                if (!presetArgb)
                        return lastStatus = OutOfMemory;
                for (INT i = 0; i < count; ++i) {
                        presetArgb[i] = presetColors[i].GetValue();
                }

                Status status = updateStatus(DllExports::GdipSetPathGradientPresetBlend(
                                (GpPathGradient*) nativeBrush,
                                presetArgb, blendPositions, count));
                DllExports::GdipFree((void*) presetArgb);
                return status;
        }
        Status SetSurroundColors(const Color *colors, INT *count)
        {
                if (!colors || !count || *count <= 0)
                        return lastStatus = InvalidParameter;

                ARGB *colorsArgb =
                        (ARGB*) DllExports::GdipAlloc(*count * sizeof(ARGB));
                if (!colorsArgb)
                        return lastStatus = OutOfMemory;
                for (INT i = 0; i < *count; ++i) {
                        colorsArgb[i] = colors[i].GetValue();
                }

                Status status = updateStatus(DllExports::GdipSetPathGradientSurroundColorsWithCount(
                                (GpPathGradient*) nativeBrush,
                                colorsArgb, count));
                DllExports::GdipFree((void*) colorsArgb);
                return status;
        }
        Status SetTransform(const Matrix *matrix)
        {
                return updateStatus(DllExports::GdipSetPathGradientTransform(
                                (GpPathGradient*) nativeBrush,
                                matrix ? matrix->nativeMatrix : NULL));
        }
        Status SetWrapMode(WrapMode wrapMode)
        {
                return updateStatus(DllExports::GdipSetPathGradientWrapMode(
                                (GpPathGradient*) nativeBrush, wrapMode));
        }
        Status TranslateTransform(REAL dx, REAL dy,
                        MatrixOrder order = MatrixOrderPrepend)
        {
                return updateStatus(DllExports::GdipTranslatePathGradientTransform(
                                (GpPathGradient*) nativeBrush, dx, dy, order));
        }

private:
        PathGradientBrush(GpBrush *brush, Status status): Brush(brush, status) {}
        PathGradientBrush(const PathGradientBrush&);
        PathGradientBrush& operator=(const PathGradientBrush&);
};


#endif /* __GDIPLUS_PATH_H */
Revision:	1166
Committed:	Tue Oct 26 14:22:36 2021 UTC (4 years ago) by rossy
Content type:	text/x-chdr
File size:	28391 byte(s)
Log Message:	Daodan: Replace MinGW build env with an up-to-date MSYS2 env