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Cache or inline some delegates to avoid repeated allocations.

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This commit is contained in:
RoosterDragon
2015-01-14 22:32:00 +00:00
parent e4ce46514c
commit 930d9cbea3
3 changed files with 20 additions and 16 deletions
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14
OpenRA.Game/Graphics/SpriteFont.cs
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@@ -23,12 +23,12 @@ namespace OpenRA.Graphics
static SheetBuilder builder;
readonly int size;
string name;
readonly Func<string, float> lineWidth;
public SpriteFont(string name, int size)
{
this.size = size;
this.name = name;
face = new Face(library, name);
face.SetPixelSizes((uint)size, (uint)size);
@@ -39,12 +39,14 @@ namespace OpenRA.Graphics
// TODO: SheetBuilder state is leaked between mod switches
if (builder == null)
builder = new SheetBuilder(SheetType.BGRA);
Func<char, float> characterWidth = character => glyphs[Pair.New(character, Color.White)].Advance;
lineWidth = line => line.Sum(characterWidth);
PrecacheColor(Color.White);
PrecacheColor(Color.Red);
PrecacheColor(Color.White, name);
PrecacheColor(Color.Red, name);
}
void PrecacheColor(Color c)
void PrecacheColor(Color c, string name)
{
using (new PerfTimer("PrecacheColor {0} {1}px {2}".F(name, size, c.Name)))
for (var n = (char)0x20; n < (char)0x7f; n++)
@@ -91,7 +93,7 @@ namespace OpenRA.Graphics
public int2 Measure(string text)
{
var lines = text.Split('\n');
return new int2((int)Math.Ceiling(lines.Max(s => s.Sum(a => glyphs[Pair.New(a, Color.White)].Advance))), lines.Length * size);
return new int2((int)Math.Ceiling(lines.Max(lineWidth)), lines.Length * size);
}
Cache<Pair<char, Color>, GlyphInfo> glyphs;