diff options
Diffstat (limited to 'win32/PlatWin.cxx')
| -rw-r--r-- | win32/PlatWin.cxx | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/win32/PlatWin.cxx b/win32/PlatWin.cxx index 3fae8e90f..ae819bb69 100644 --- a/win32/PlatWin.cxx +++ b/win32/PlatWin.cxx @@ -494,6 +494,7 @@ public: void RoundedRectangle(PRectangle rc, ColourDesired fore, ColourDesired back) override; void AlphaRectangle(PRectangle rc, int cornerSize, ColourDesired fill, int alphaFill, ColourDesired outline, int alphaOutline, int flags) override; + void AlphaRectangle(PRectangle rc, XYPOSITION cornerSize, FillStroke fillStroke) override; void GradientRectangle(PRectangle rc, const std::vector<ColourStop> &stops, GradientOptions options) override; void DrawRGBAImage(PRectangle rc, int width, int height, const unsigned char *pixelsImage) override; void Ellipse(PRectangle rc, ColourDesired fore, ColourDesired back) override; @@ -908,6 +909,55 @@ void SurfaceGDI::AlphaRectangle(PRectangle rc, int cornerSize, ColourDesired fil } } +void SurfaceGDI::AlphaRectangle(PRectangle rc, XYPOSITION cornerSize, FillStroke fillStroke) { + // TODO: Implement strokeWidth + const RECT rcw = RectFromPRectangle(rc); + const SIZE size = SizeOfRect(rcw); + + if (size.cx > 0) { + + DIBSection section(hdc, size); + + if (section) { + + // Ensure not distorted too much by corners when small + const LONG corner = std::min(static_cast<LONG>(cornerSize), (std::min(size.cx, size.cy) / 2) - 2); + + constexpr DWORD valEmpty = dwordFromBGRA(0,0,0,0); + const DWORD valFill = dwordMultiplied(fillStroke.fill.colour, fillStroke.fill.colour.GetAlpha()); + const DWORD valOutline = dwordMultiplied(fillStroke.stroke.colour, fillStroke.stroke.colour.GetAlpha()); + + // Draw a framed rectangle + for (int y=0; y<size.cy; y++) { + for (int x=0; x<size.cx; x++) { + if ((x==0) || (x==size.cx-1) || (y == 0) || (y == size.cy -1)) { + section.SetPixel(x, y, valOutline); + } else { + section.SetPixel(x, y, valFill); + } + } + } + + // Make the corners transparent + for (LONG c=0; c<corner; c++) { + for (LONG x=0; x<c+1; x++) { + section.SetSymmetric(x, c - x, valEmpty); + } + } + + // Draw the corner frame pieces + for (LONG x=1; x<corner; x++) { + section.SetSymmetric(x, corner - x, valOutline); + } + + AlphaBlend(hdc, rcw.left, rcw.top, size.cx, size.cy, section.DC(), 0, 0, size.cx, size.cy, mergeAlpha); + } + } else { + BrushColour(fillStroke.stroke.colour); + FrameRect(hdc, &rcw, brush); + } +} + void SurfaceGDI::GradientRectangle(PRectangle rc, const std::vector<ColourStop> &stops, GradientOptions options) { const RECT rcw = RectFromPRectangle(rc); @@ -1242,6 +1292,14 @@ constexpr D2D_COLOR_F ColorFromColourAlpha(ColourAlpha colour) noexcept { }; } +constexpr D2D1_RECT_F RectangleInset(D2D1_RECT_F rect, FLOAT inset) noexcept { + return D2D1_RECT_F{ + rect.left + inset, + rect.top + inset, + rect.right - inset, + rect.bottom - inset }; +} + } class BlobInline; @@ -1305,6 +1363,7 @@ public: void RoundedRectangle(PRectangle rc, ColourDesired fore, ColourDesired back) override; void AlphaRectangle(PRectangle rc, int cornerSize, ColourDesired fill, int alphaFill, ColourDesired outline, int alphaOutline, int flags) override; + void AlphaRectangle(PRectangle rc, XYPOSITION cornerSize, FillStroke fillStroke) override; void GradientRectangle(PRectangle rc, const std::vector<ColourStop> &stops, GradientOptions options) override; void DrawRGBAImage(PRectangle rc, int width, int height, const unsigned char *pixelsImage) override; void Ellipse(PRectangle rc, ColourDesired fore, ColourDesired back) override; @@ -1673,6 +1732,34 @@ void SurfaceD2D::AlphaRectangle(PRectangle rc, int cornerSize, ColourDesired fil } } +void SurfaceD2D::AlphaRectangle(PRectangle rc, XYPOSITION cornerSize, FillStroke fillStroke) { + const D2D1_RECT_F rect = RectangleFromPRectangle(rc); + const D2D1_RECT_F rectFill = RectangleInset(rect, fillStroke.stroke.width); + const float halfStroke = fillStroke.stroke.width / 2.0f; + const D2D1_RECT_F rectOutline = RectangleInset(rect, halfStroke); + if (pRenderTarget) { + if (cornerSize == 0) { + // When corner size is zero, draw square rectangle to prevent blurry pixels at corners + D2DPenColourAlpha(fillStroke.fill.colour); + pRenderTarget->FillRectangle(rectFill, pBrush); + + D2DPenColourAlpha(fillStroke.stroke.colour); + pRenderTarget->DrawRectangle(rectOutline, pBrush, fillStroke.stroke.width); + } else { + const float cornerSizeF = static_cast<float>(cornerSize); + D2D1_ROUNDED_RECT roundedRectFill = { + rectFill, cornerSizeF - 1.0f, cornerSizeF - 1.0f }; + D2DPenColourAlpha(fillStroke.fill.colour); + pRenderTarget->FillRoundedRectangle(roundedRectFill, pBrush); + + D2D1_ROUNDED_RECT roundedRect = { + rectOutline, cornerSizeF, cornerSizeF}; + D2DPenColourAlpha(fillStroke.stroke.colour); + pRenderTarget->DrawRoundedRectangle(roundedRect, pBrush, fillStroke.stroke.width); + } + } +} + void SurfaceD2D::GradientRectangle(PRectangle rc, const std::vector<ColourStop> &stops, GradientOptions options) { if (pRenderTarget) { D2D1_LINEAR_GRADIENT_BRUSH_PROPERTIES lgbp { |