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Cairo-Chart
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Kolan Sh 2018-01-19 13:56:18 +03:00
parent 229adb7028
commit 7aedf10a4e
1 changed files with 6 additions and 5 deletions
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src/Chart.vala
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@ -237,12 +237,13 @@ namespace CairoChart {
break; break;
} }
var new_zoom = zoom; var new_zoom = zoom;
// TODO var rmpx = rect.x - plarea.x;
new_zoom.x += (rect.x - plarea.x) / plarea.width * zoom.width; new_zoom.x += rmpx / plarea.width * zoom.width;
var x_max = zoom.x + (rect.x + rect.width - plarea.x) / plarea.width * zoom.width; var x_max = zoom.x + (rmpx + rect.width) / plarea.width * zoom.width;
new_zoom.width = x_max - new_zoom.x; new_zoom.width = x_max - new_zoom.x;
new_zoom.y += (rect.y - plarea.y) / plarea.height * zoom.height; var rmpy = rect.y - plarea.y;
var y_max = zoom.y + (rect.y + rect.height - plarea.y) / plarea.height * zoom.height; new_zoom.y += rmpy / plarea.height * zoom.height;
var y_max = zoom.y + (rmpy + rect.height) / plarea.height * zoom.height;
new_zoom.height = y_max - new_zoom.y; new_zoom.height = y_max - new_zoom.y;
zoom = new_zoom; zoom = new_zoom;
} }