diff options
Diffstat (limited to 'win32/PlatWin.cxx')
| -rw-r--r-- | win32/PlatWin.cxx | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/win32/PlatWin.cxx b/win32/PlatWin.cxx index 673df5c2b..c902bad04 100644 --- a/win32/PlatWin.cxx +++ b/win32/PlatWin.cxx @@ -488,6 +488,8 @@ public: int DeviceHeightFont(int points) override; void MoveTo(int x_, int y_) override; void LineTo(int x_, int y_) override; + void LineDraw(Point start, Point end, Stroke stroke) override; + void PolyLine(const Point *pts, size_t npts, Stroke stroke) override; void Polygon(Point *pts, size_t npts, ColourDesired fore, ColourDesired back) override; void Polygon(const Point *pts, size_t npts, FillStroke fillStroke) override; void RectangleDraw(PRectangle rc, ColourDesired fore, ColourDesired back) override; @@ -697,6 +699,23 @@ void SurfaceGDI::LineTo(int x_, int y_) { ::LineTo(hdc, x_, y_); } +void SurfaceGDI::LineDraw(Point start, Point end, Stroke stroke) { + PenColour(stroke.colour, stroke.width); + ::MoveToEx(hdc, std::lround(std::floor(start.x)), std::lround(std::floor(start.y)), nullptr); + ::LineTo(hdc, std::lround(std::floor(end.x)), std::lround(std::floor(end.y))); +} + +void SurfaceGDI::PolyLine(const Point *pts, size_t npts, Stroke stroke) { + PLATFORM_ASSERT(npts > 1); + if (npts <= 1) { + return; + } + PenColour(stroke.colour, stroke.width); + std::vector<POINT> outline; + std::transform(pts, pts + npts, std::back_inserter(outline), POINTFromPoint); + ::Polyline(hdc, outline.data(), static_cast<int>(npts)); +} + void SurfaceGDI::Polygon(Point *pts, size_t npts, ColourDesired fore, ColourDesired back) { PenColour(fore); BrushColour(back); @@ -1424,7 +1443,9 @@ public: int DeviceHeightFont(int points) override; void MoveTo(int x_, int y_) override; void LineTo(int x_, int y_) override; + void LineDraw(Point start, Point end, Stroke stroke) override; ID2D1PathGeometry *Geometry(const Point *pts, size_t npts, D2D1_FIGURE_BEGIN figureBegin) noexcept; + void PolyLine(const Point *pts, size_t npts, Stroke stroke) override; void Polygon(Point *pts, size_t npts, ColourDesired fore, ColourDesired back) override; void Polygon(const Point *pts, size_t npts, FillStroke fillStroke) override; void RectangleDraw(PRectangle rc, ColourDesired fore, ColourDesired back) override; @@ -1686,6 +1707,31 @@ void SurfaceD2D::LineTo(int x_, int y_) { } } +void SurfaceD2D::LineDraw(Point start, Point end, Stroke stroke) { + D2DPenColourAlpha(stroke.colour); + + D2D1_STROKE_STYLE_PROPERTIES strokeProps {}; + strokeProps.startCap = D2D1_CAP_STYLE_SQUARE; + strokeProps.endCap = D2D1_CAP_STYLE_SQUARE; + strokeProps.dashCap = D2D1_CAP_STYLE_FLAT; + strokeProps.lineJoin = D2D1_LINE_JOIN_MITER; + strokeProps.miterLimit = 4.0f; + strokeProps.dashStyle = D2D1_DASH_STYLE_SOLID; + strokeProps.dashOffset = 0; + + // get the stroke style to apply + ID2D1StrokeStyle *pStrokeStyle = nullptr; + const HRESULT hr = pD2DFactory->CreateStrokeStyle( + strokeProps, nullptr, 0, &pStrokeStyle); + if (SUCCEEDED(hr)) { + pRenderTarget->DrawLine( + D2D1::Point2F(start.x, start.y), + D2D1::Point2F(end.x, end.y), pBrush, stroke.width, pStrokeStyle); + } + + ReleaseUnknown(pStrokeStyle); +} + ID2D1PathGeometry *SurfaceD2D::Geometry(const Point *pts, size_t npts, D2D1_FIGURE_BEGIN figureBegin) noexcept { ID2D1PathGeometry *geometry = nullptr; HRESULT hr = pD2DFactory->CreatePathGeometry(&geometry); @@ -1706,6 +1752,39 @@ ID2D1PathGeometry *SurfaceD2D::Geometry(const Point *pts, size_t npts, D2D1_FIGU return geometry; } +void SurfaceD2D::PolyLine(const Point *pts, size_t npts, Stroke stroke) { + PLATFORM_ASSERT(pRenderTarget && (npts > 1)); + if (!pRenderTarget || (npts <= 1)) { + return; + } + + ID2D1PathGeometry *geometry = Geometry(pts, npts, D2D1_FIGURE_BEGIN_HOLLOW); + PLATFORM_ASSERT(geometry); + if (!geometry) { + return; + } + + D2DPenColourAlpha(stroke.colour); + D2D1_STROKE_STYLE_PROPERTIES strokeProps {}; + strokeProps.startCap = D2D1_CAP_STYLE_ROUND; + strokeProps.endCap = D2D1_CAP_STYLE_ROUND; + strokeProps.dashCap = D2D1_CAP_STYLE_FLAT; + strokeProps.lineJoin = D2D1_LINE_JOIN_MITER; + strokeProps.miterLimit = 4.0f; + strokeProps.dashStyle = D2D1_DASH_STYLE_SOLID; + strokeProps.dashOffset = 0; + + // get the stroke style to apply + ID2D1StrokeStyle *pStrokeStyle = nullptr; + const HRESULT hr = pD2DFactory->CreateStrokeStyle( + strokeProps, nullptr, 0, &pStrokeStyle); + if (SUCCEEDED(hr)) { + pRenderTarget->DrawGeometry(geometry, pBrush, stroke.width, pStrokeStyle); + } + ReleaseUnknown(pStrokeStyle); + ReleaseUnknown(geometry); +} + void SurfaceD2D::Polygon(Point *pts, size_t npts, ColourDesired fore, ColourDesired back) { PLATFORM_ASSERT(pRenderTarget && (npts > 2)); if (pRenderTarget) { |