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Faster bitmap editing

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This commit is contained in:
Paul Chote
2010-07-15 21:25:02 +12:00
parent 45061cdf37
commit b3413dc783
1 changed files with 42 additions and 25 deletions
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67
OpenRA.Game/Graphics/Minimap.cs
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@@ -70,15 +70,22 @@ namespace OpenRA.Graphics
public static Bitmap RenderTerrainBitmap(Map map, TileSet tileset)
{
var terrain = new Bitmap(map.MapSize.X, map.MapSize.Y);
for (var x = 0; x < map.MapSize.X; x++)
for (var y = 0; y < map.MapSize.Y; y++)
{
var type = tileset.GetTerrainType(map.MapTiles[x, y]);
terrain.SetPixel(x, y, map.IsInMap(x, y)
? Color.FromArgb(alpha, tileset.Terrain[type].Color)
: shroudColor);
}
var bitmapData = terrain.LockBits(new Rectangle(0, 0, terrain.Width, terrain.Height),
ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
unsafe
{
int* c = (int*)bitmapData.Scan0;
for (var x = 0; x < map.MapSize.X; x++)
for (var y = 0; y < map.MapSize.Y; y++)
{
var type = tileset.GetTerrainType(map.MapTiles[x, y]);
*(c + (y * bitmapData.Stride >> 2) + x) = map.IsInMap(x, y)
? Color.FromArgb(alpha, tileset.Terrain[type].Color).ToArgb()
: shroudColor.ToArgb();
}
}
terrain.UnlockBits(bitmapData);
return terrain;
}
@@ -182,22 +189,32 @@ namespace OpenRA.Graphics
var size = NextPowerOf2(Math.Max(map.Width, map.Height));
Bitmap terrain = new Bitmap(size, size);
for (var x = 0; x < map.Width; x++)
for (var y = 0; y < map.Height; y++)
{
var mapX = x + map.TopLeft.X;
var mapY = y + map.TopLeft.Y;
var type = tileset.GetTerrainType(map.MapTiles[mapX, mapY]);
string res = null;
if (map.MapResources[mapX, mapY].type != 0)
res = Rules.Info["world"].Traits.WithInterface<ResourceTypeInfo>()
.Where(t => t.ResourceType == map.MapResources[mapX, mapY].type)
.Select(t => t.TerrainType).FirstOrDefault();
if (res != null)
type = res;
terrain.SetPixel(x, y, tileset.Terrain[type].Color);
}
var bitmapData = terrain.LockBits(new Rectangle(0, 0, terrain.Width, terrain.Height),
ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
unsafe
{
int* c = (int*)bitmapData.Scan0;
for (var x = 0; x < map.Width; x++)
for (var y = 0; y < map.Height; y++)
{
var mapX = x + map.TopLeft.X;
var mapY = y + map.TopLeft.Y;
var type = tileset.GetTerrainType(map.MapTiles[mapX, mapY]);
string res = null;
if (map.MapResources[mapX, mapY].type != 0)
res = Rules.Info["world"].Traits.WithInterface<ResourceTypeInfo>()
.Where(t => t.ResourceType == map.MapResources[mapX, mapY].type)
.Select(t => t.TerrainType).FirstOrDefault();
if (res != null)
type = res;
*(c + (y * bitmapData.Stride >> 2) + x) = tileset.Terrain[type].Color.ToArgb();
}
}
terrain.UnlockBits(bitmapData);
return terrain;
}
}