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Dispose graphic path - fix #933 - thx ivandrofly :)

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niksedk 2015-06-25 19:19:47 +02:00
parent 4f485b1c99
commit 1602008711
1 changed files with 61 additions and 54 deletions
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115
src/Logic/TextDraw.cs
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@ -71,70 +71,77 @@ namespace Nikse.SubtitleEdit.Logic
public static float MeasureTextWidth(Font font, string text, bool bold)
{
var sf = new StringFormat { Alignment = StringAlignment.Near, LineAlignment = StringAlignment.Near };
var path = new GraphicsPath();
var sb = new StringBuilder(text);
bool newLine = false;
const int leftMargin = 0;
int pathPointsStart = -1;
DrawText(font, sf, path, sb, false, bold, false, 0, 0, ref newLine, leftMargin, ref pathPointsStart);
if (path.PathData.Points.Length == 0)
using (var sf = new StringFormat { Alignment = StringAlignment.Near, LineAlignment = StringAlignment.Near })
{
return 0;
}
using (var path = new GraphicsPath())
{
var sb = new StringBuilder(text);
bool newLine = false;
const int leftMargin = 0;
int pathPointsStart = -1;
DrawText(font, sf, path, sb, false, bold, false, 0, 0, ref newLine, leftMargin, ref pathPointsStart);
if (path.PathData.Points.Length == 0)
{
return 0;
}
float width = 0;
var list = (PointF[])path.PathPoints.Clone(); // avoid using very slow path.PathPoints indexer!!!
int index = list.Length - 42;
if (index < 0)
index = 0;
for (int i = index; i < list.Length; i += 2)
{
if (list[i].X > width)
width = list[i].X;
}
int max = 52;
if (max > list.Length)
max = list.Length;
for (int i = 0; i < max; i += 2)
{
if (list[i].X > width)
width = list[i].X;
}
float width = 0;
var list = (PointF[])path.PathPoints.Clone(); // avoid using very slow path.PathPoints indexer!!!
int index = list.Length - 42;
if (index < 0)
index = 0;
for (int i = index; i < list.Length; i += 2)
{
if (list[i].X > width)
width = list[i].X;
}
int max = 52;
if (max > list.Length)
max = list.Length;
for (int i = 0; i < max; i += 2)
{
if (list[i].X > width)
width = list[i].X;
}
return width;
return width;
}
}
}
public static float MeasureTextHeight(Font font, string text, bool bold)
{
var sf = new StringFormat { Alignment = StringAlignment.Near, LineAlignment = StringAlignment.Near };
var path = new GraphicsPath();
var sb = new StringBuilder(text);
bool newLine = false;
const int leftMargin = 0;
int pathPointsStart = -1;
DrawText(font, sf, path, sb, false, bold, false, 0, 0, ref newLine, leftMargin, ref pathPointsStart);
float height = 0;
var list = (PointF[])path.PathPoints.Clone(); // avoid using very slow path.PathPoints indexer!!!
int index = list.Length - 80;
if (index < 0)
index = 0;
for (int i = index; i < list.Length; i += 2)
using (var sf = new StringFormat { Alignment = StringAlignment.Near, LineAlignment = StringAlignment.Near })
{
if (list[i].Y > height)
height = list[i].Y;
}
using (var path = new GraphicsPath())
{
for (int i = 0; i < list.Length; i += 2)
{
if (list[i].Y > height)
height = list[i].Y;
}
var sb = new StringBuilder(text);
bool newLine = false;
const int leftMargin = 0;
int pathPointsStart = -1;
DrawText(font, sf, path, sb, false, bold, false, 0, 0, ref newLine, leftMargin, ref pathPointsStart);
return height;
float height = 0;
var list = (PointF[])path.PathPoints.Clone(); // avoid using very slow path.PathPoints indexer!!!
int index = list.Length - 80;
if (index < 0)
index = 0;
for (int i = index; i < list.Length; i += 2)
{
if (list[i].Y > height)
height = list[i].Y;
}
for (int i = 0; i < list.Length; i += 2)
{
if (list[i].Y > height)
height = list[i].Y;
}
return height;
}
}
}
}