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Support rendering at non-integer display scales:

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* 2x and 3x DPI artwork can be specified using
  Image2x and Image3x in chrome.yaml.
* Images are rendered using bilinear interpolation.
* For non-integer screen scales, prefer downscaling
  the next biggest resolution image over upscaling.
This commit is contained in:
Paul Chote
2019-12-25 18:49:47 +00:00
committed by abcdefg30
parent 809b1507a6
commit fd64ad7c89
15 changed files with 130 additions and 17 deletions
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16
OpenRA.Game/Graphics/Sprite.cs
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@@ -41,10 +41,10 @@ namespace OpenRA.Graphics
FractionalOffset = Size.Z != 0 ? offset / Size :
new float3(offset.X / Size.X, offset.Y / Size.Y, 0);
Left = (float)Math.Min(bounds.Left, bounds.Right) / sheet.Size.Width;
Top = (float)Math.Min(bounds.Top, bounds.Bottom) / sheet.Size.Height;
Right = (float)Math.Max(bounds.Left, bounds.Right) / sheet.Size.Width;
Bottom = (float)Math.Max(bounds.Top, bounds.Bottom) / sheet.Size.Height;
Left = (float)Math.Min(bounds.Left, bounds.Right) * sheet.DPIScale / sheet.Size.Width;
Top = (float)Math.Min(bounds.Top, bounds.Bottom) * sheet.DPIScale / sheet.Size.Height;
Right = (float)Math.Max(bounds.Left, bounds.Right) * sheet.DPIScale / sheet.Size.Width;
Bottom = (float)Math.Max(bounds.Top, bounds.Bottom) * sheet.DPIScale / sheet.Size.Height;
}
}
@@ -61,10 +61,10 @@ namespace OpenRA.Graphics
SecondarySheet = secondarySheet;
SecondaryBounds = secondaryBounds;
SecondaryChannel = secondaryChannel;
SecondaryLeft = (float)Math.Min(secondaryBounds.Left, secondaryBounds.Right) / s.Sheet.Size.Width;
SecondaryTop = (float)Math.Min(secondaryBounds.Top, secondaryBounds.Bottom) / s.Sheet.Size.Height;
SecondaryRight = (float)Math.Max(secondaryBounds.Left, secondaryBounds.Right) / s.Sheet.Size.Width;
SecondaryBottom = (float)Math.Max(secondaryBounds.Top, secondaryBounds.Bottom) / s.Sheet.Size.Height;
SecondaryLeft = (float)Math.Min(secondaryBounds.Left, secondaryBounds.Right) * secondarySheet.DPIScale / s.Sheet.Size.Width;
SecondaryTop = (float)Math.Min(secondaryBounds.Top, secondaryBounds.Bottom) * secondarySheet.DPIScale / s.Sheet.Size.Height;
SecondaryRight = (float)Math.Max(secondaryBounds.Left, secondaryBounds.Right) * secondarySheet.DPIScale / s.Sheet.Size.Width;
SecondaryBottom = (float)Math.Max(secondaryBounds.Top, secondaryBounds.Bottom) * secondarySheet.DPIScale / s.Sheet.Size.Height;
}
}