diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/LineMarker.cxx | 30 | ||||
| -rw-r--r-- | src/LineMarker.h | 1 |
2 files changed, 21 insertions, 10 deletions
diff --git a/src/LineMarker.cxx b/src/LineMarker.cxx index 35cf0ab4c..02228b6f5 100644 --- a/src/LineMarker.cxx +++ b/src/LineMarker.cxx @@ -15,6 +15,7 @@ #include <map> #include <optional> #include <algorithm> +#include <iterator> #include <memory> #include "Debugging.h" @@ -310,6 +311,15 @@ void LineMarker::DrawFoldingMark(Surface *surface, const PRectangle &rcWhole, Fo } } +void LineMarker::AlignedPolygon(Surface *surface, const Point *pts, size_t npts) const { + const XYPOSITION move = strokeWidth / 2.0; + std::vector<Point> points; + std::transform(pts, pts + npts, std::back_inserter(points), [=](Point pt)->Point { + return Point(pt.x + move, pt.y + move); + }); + surface->Polygon(points.data(), std::size(points), FillStroke(back, fore, strokeWidth)); +} + void LineMarker::Draw(Surface *surface, const PRectangle &rcWhole, const Font *fontForCharacter, FoldPart part, int marginStyle) const { // This is to satisfy the changed API - eventually the stroke width will be exposed to clients @@ -379,7 +389,7 @@ void LineMarker::Draw(Surface *surface, const PRectangle &rcWhole, const Font *f Point(centreX - dimOn4, centreY + dimOn2), Point(centreX + dimOn2 - dimOn4, centreY), }; - surface->Polygon(pts, std::size(pts), FillStroke(back, fore, strokeWidth)); + AlignedPolygon(surface, pts, std::size(pts)); } break; @@ -389,7 +399,7 @@ void LineMarker::Draw(Surface *surface, const PRectangle &rcWhole, const Font *f Point(centreX + dimOn2, centreY - dimOn4), Point(centreX, centreY + dimOn2 - dimOn4), }; - surface->Polygon(pts, std::size(pts), FillStroke(back, fore, strokeWidth)); + AlignedPolygon(surface, pts, std::size(pts)); } break; @@ -408,7 +418,7 @@ void LineMarker::Draw(Surface *surface, const PRectangle &rcWhole, const Font *f Point(centreX - 1, centreY + 1), Point(centreX - armSize, centreY + 1), }; - surface->Polygon(pts, std::size(pts), FillStroke(back, fore, strokeWidth)); + AlignedPolygon(surface, pts, std::size(pts)); } break; @@ -419,7 +429,7 @@ void LineMarker::Draw(Surface *surface, const PRectangle &rcWhole, const Font *f Point(centreX + armSize, centreY + 1), Point(centreX - armSize, centreY + 1), }; - surface->Polygon(pts, std::size(pts), FillStroke(back, fore, strokeWidth)); + AlignedPolygon(surface, pts, std::size(pts)); } break; @@ -477,7 +487,7 @@ void LineMarker::Draw(Surface *surface, const PRectangle &rcWhole, const Font *f Point(centreX, centreY + dimOn4), Point(centreX, centreY + dimOn2), }; - surface->Polygon(pts, std::size(pts), FillStroke(back, fore, strokeWidth)); + AlignedPolygon(surface, pts, std::size(pts)); } break; @@ -496,12 +506,12 @@ void LineMarker::Draw(Surface *surface, const PRectangle &rcWhole, const Font *f const XYPOSITION halfHeight = std::floor(minDim / 3); Point pts[] = { Point(rcWhole.left, centreY - halfHeight), - Point(rcWhole.right - 3, centreY - halfHeight), - Point(rcWhole.right - 3 - halfHeight, centreY), - Point(rcWhole.right - 3, centreY + halfHeight), + Point(rcWhole.right - strokeWidth - 2, centreY - halfHeight), + Point(rcWhole.right - strokeWidth - 2 - halfHeight, centreY), + Point(rcWhole.right - strokeWidth - 2, centreY + halfHeight), Point(rcWhole.left, centreY + halfHeight), }; - surface->Polygon(pts, std::size(pts), FillStroke(back, fore, strokeWidth)); + AlignedPolygon(surface, pts, std::size(pts)); } break; @@ -514,7 +524,7 @@ void LineMarker::Draw(Surface *surface, const PRectangle &rcWhole, const Font *f Point(centreX, centreY + dimOn2 - halfWidth), Point(centreX - halfWidth, centreY + dimOn2), }; - surface->Polygon(pts, std::size(pts), FillStroke(back, fore, strokeWidth)); + AlignedPolygon(surface, pts, std::size(pts)); } break; diff --git a/src/LineMarker.h b/src/LineMarker.h index b417ec34d..c13d4f4d0 100644 --- a/src/LineMarker.h +++ b/src/LineMarker.h @@ -45,6 +45,7 @@ public: void SetXPM(const char *textForm); void SetXPM(const char *const *linesForm); void SetRGBAImage(Point sizeRGBAImage, float scale, const unsigned char *pixelsRGBAImage); + void AlignedPolygon(Surface *surface, const Point *pts, size_t npts) const; void Draw(Surface *surface, const PRectangle &rcWhole, const Font *fontForCharacter, FoldPart part, int marginStyle) const; void DrawFoldingMark(Surface *surface, const PRectangle &rcWhole, FoldPart part) const; }; |