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optimize<CommitGraph>: do NOT render lines not visible in view

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This commit is contained in:
leo 2021-07-13 19:52:05 +08:00
parent e7a7c0518e
commit c165cab3c0
1 changed files with 21 additions and 4 deletions
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25
src/Views/Controls/CommitGraph.cs
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@ -283,11 +283,20 @@ namespace SourceGit.Views.Controls {
var geo = new StreamGeometry();
var pen = PENS[line.Color];
using (var ctx = geo.Open()) {
ctx.BeginFigure(last, false, false);
var started = false;
var ended = false;
for (int i = 1; i < size; i++) {
var cur = line.Points[i];
if (cur.Y < top) {
last = cur;
continue;
}
if (!started) {
ctx.BeginFigure(last, false, false);
started = true;
}
if (cur.Y > bottom) {
cur.Y = bottom;
ended = true;
@ -346,11 +355,19 @@ namespace SourceGit.Views.Controls {
var geo = new StreamGeometry();
var pen = PENS[line.Color];
using (var ctx = geo.Open()) {
ctx.BeginFigure(last, false, false);
var started = false;
var ended = false;
for (int i = 1; i < size; i++) {
var cur = line.Points[i];
if (cur.Y < top) {
last = cur;
continue;
}
if (!started) {
ctx.BeginFigure(last, false, false);
}
if (cur.Y > bottom) {
cur.Y = bottom;
ended = true;