diff options
Diffstat (limited to 'src/MarginView.cxx')
| -rw-r--r-- | src/MarginView.cxx | 60 |
1 files changed, 32 insertions, 28 deletions
diff --git a/src/MarginView.cxx b/src/MarginView.cxx index 913fd0e2d..04e9cad72 100644 --- a/src/MarginView.cxx +++ b/src/MarginView.cxx @@ -31,7 +31,6 @@ #include "CharacterCategory.h" #include "Position.h" -#include "IntegerRectangle.h" #include "UniqueString.h" #include "SplitVector.h" #include "Partitioning.h" @@ -60,48 +59,53 @@ namespace Scintilla { void DrawWrapMarker(Surface *surface, PRectangle rcPlace, bool isEndMarker, ColourDesired wrapColour) { - surface->PenColour(wrapColour); - const IntegerRectangle ircPlace(rcPlace); + const XYPOSITION extraFinalPixel = surface->Supports(SC_SUPPORTS_LINE_DRAWS_FINAL) ? 0.0f : 1.0f; - enum { xa = 1 }; // gap before start - const int w = ircPlace.Width() - xa - 1; + const PRectangle rcAligned = PixelAlignOutside(rcPlace, surface->PixelDivisions()); - const bool xStraight = isEndMarker; // x-mirrored symbol for start marker + const XYPOSITION widthStroke = std::floor(rcAligned.Width() / 6); - const int x0 = xStraight ? ircPlace.left : ircPlace.right - 1; - const int y0 = ircPlace.top; + constexpr XYPOSITION xa = 1; // gap before start + const XYPOSITION w = rcAligned.Width() - xa - widthStroke; - const int dy = ircPlace.Height() / 5; - const int y = ircPlace.Height() / 2 + dy; + // isEndMarker -> x-mirrored symbol for start marker + + const XYPOSITION x0 = isEndMarker ? rcAligned.left : rcAligned.right - widthStroke; + const XYPOSITION y0 = rcAligned.top; + + const XYPOSITION dy = std::floor(rcAligned.Height() / 5); + const XYPOSITION y = std::floor(rcAligned.Height() / 2) + dy; struct Relative { - Surface *surface; - int xBase; + XYPOSITION xBase; int xDir; - int yBase; + XYPOSITION yBase; int yDir; - void MoveTo(int xRelative, int yRelative) { - surface->MoveTo(xBase + xDir * xRelative, yBase + yDir * yRelative); - } - void LineTo(int xRelative, int yRelative) { - surface->LineTo(xBase + xDir * xRelative, yBase + yDir * yRelative); + XYPOSITION halfWidth; + Point At(XYPOSITION xRelative, XYPOSITION yRelative) noexcept { + return Point(xBase + xDir * xRelative + halfWidth, yBase + yDir * yRelative + halfWidth); } }; - Relative rel = { surface, x0, xStraight ? 1 : -1, y0, 1 }; + + Relative rel = { x0, isEndMarker ? 1 : -1, y0, 1, widthStroke / 2.0f }; // arrow head - rel.MoveTo(xa, y); - rel.LineTo(xa + 2 * w / 3, y - dy); - rel.MoveTo(xa, y); - rel.LineTo(xa + 2 * w / 3, y + dy); + const Point head[] = { + rel.At(xa + dy, y - dy), + rel.At(xa, y), + rel.At(xa + dy + extraFinalPixel, y + dy + extraFinalPixel) + }; + surface->PolyLine(head, std::size(head), Stroke(wrapColour, widthStroke)); // arrow body - rel.MoveTo(xa, y); - rel.LineTo(xa + w, y); - rel.LineTo(xa + w, y - 2 * dy); - rel.LineTo(xa - 1, // on windows lineto is exclusive endpoint, perhaps GTK not... - y - 2 * dy); + const Point body[] = { + rel.At(xa, y), + rel.At(xa + w, y), + rel.At(xa + w, y - 2 * dy), + rel.At(xa, y - 2 * dy), + }; + surface->PolyLine(body, std::size(body), Stroke(wrapColour, widthStroke)); } MarginView::MarginView() noexcept { |