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Fix Grid dpi and roundedlayout stuff + add GridLinesRenderer as Grid's visual child.

pull/2563/head
Jumar Macato 7 years ago
parent
4fbd443386
commit
4c0f365118
No known key found for this signature in database GPG Key ID: B19884DAC3A5BF3F
1 changed files with 14 additions and 12 deletions
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  1. 26
      src/Avalonia.Controls/Grid.cs

26
src/Avalonia.Controls/Grid.cs
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@ -1999,8 +1999,9 @@ namespace Avalonia.Controls
if (useLayoutRounding)
{
DpiScale dpiScale = GetDpi();
dpi = columns ? dpiScale.DpiScaleX : dpiScale.DpiScaleY;
// DpiScale dpiScale = GetDpi();
// dpi = columns ? dpiScale.DpiScaleX : dpiScale.DpiScaleY;
dpi = (VisualRoot as Layout.ILayoutRoot)?.LayoutScaling ?? 1.0;
roundingErrors = RoundingErrors;
}
@ -2033,7 +2034,7 @@ namespace Avalonia.Controls
if (useLayoutRounding)
{
roundingErrors[i] = definitions[i].SizeCache;
definitions[i].SizeCache = Control.RoundLayoutValue(definitions[i].SizeCache, dpi);
definitions[i].SizeCache = MathUtilities.RoundLayoutValue(definitions[i].SizeCache, dpi);
}
}
definitionIndices[starDefinitionsCount++] = i;
@ -2072,7 +2073,7 @@ namespace Avalonia.Controls
if (useLayoutRounding)
{
roundingErrors[i] = definitions[i].SizeCache;
definitions[i].SizeCache = Control.RoundLayoutValue(definitions[i].SizeCache, dpi);
definitions[i].SizeCache = MathUtilities.RoundLayoutValue(definitions[i].SizeCache, dpi);
}
allPreferredArrangeSize += definitions[i].SizeCache;
@ -2123,7 +2124,7 @@ namespace Avalonia.Controls
if (useLayoutRounding)
{
roundingErrors[definitionIndices[i]] = definitions[definitionIndices[i]].SizeCache;
definitions[definitionIndices[i]].SizeCache = Control.RoundLayoutValue(definitions[definitionIndices[i]].SizeCache, dpi);
definitions[definitionIndices[i]].SizeCache = MathUtilities.RoundLayoutValue(definitions[definitionIndices[i]].SizeCache, dpi);
}
allPreferredArrangeSize += definitions[definitionIndices[i]].SizeCache;
@ -2148,7 +2149,7 @@ namespace Avalonia.Controls
if (useLayoutRounding)
{
roundingErrors[definitionIndex] = final;
final = Control.RoundLayoutValue(finalOld, dpi);
final = MathUtilities.RoundLayoutValue(finalOld, dpi);
final = Math.Max(final, definitions[definitionIndex].MinSizeForArrange);
final = Math.Min(final, definitions[definitionIndex].SizeCache);
}
@ -2175,7 +2176,7 @@ namespace Avalonia.Controls
RoundingErrorIndexComparer roundingErrorIndexComparer = new RoundingErrorIndexComparer(roundingErrors);
Array.Sort(definitionIndices, 0, definitions.Count, roundingErrorIndexComparer);
double adjustedSize = allPreferredArrangeSize;
double dpiIncrement = Control.RoundLayoutValue(1.0, dpi);
double dpiIncrement = MathUtilities.RoundLayoutValue(1.0, dpi);
if (allPreferredArrangeSize > finalSize)
{
@ -2565,8 +2566,9 @@ namespace Avalonia.Controls
// unrounded sizes, to avoid breaking assumptions in the previous phases
if (UseLayoutRounding)
{
DpiScale dpiScale = GetDpi();
double dpi = columns ? dpiScale.DpiScaleX : dpiScale.DpiScaleY;
// DpiScale dpiScale = GetDpi();
// double dpi = columns ? dpiScale.DpiScaleX : dpiScale.DpiScaleY;
var dpi = (VisualRoot as Layout.ILayoutRoot)?.LayoutScaling ?? 1.0;
double[] roundingErrors = RoundingErrors;
double roundedTakenSize = 0.0;
@ -2574,7 +2576,7 @@ namespace Avalonia.Controls
for (int i = 0; i < definitions.Count; ++i)
{
DefinitionBase def = definitions[i];
double roundedSize = Control.RoundLayoutValue(def.SizeCache, dpi);
double roundedSize = MathUtilities.RoundLayoutValue(def.SizeCache, dpi);
roundingErrors[i] = (roundedSize - def.SizeCache);
def.SizeCache = roundedSize;
roundedTakenSize += roundedSize;
@ -2823,12 +2825,12 @@ namespace Avalonia.Controls
if (ShowGridLines && (_gridLinesRenderer == null))
{
_gridLinesRenderer = new GridLinesRenderer();
this.AddVisualChild(_gridLinesRenderer);
this.VisualChildren.Add(_gridLinesRenderer);
}
if ((!ShowGridLines) && (_gridLinesRenderer != null))
{
this.RemoveVisualChild(_gridLinesRenderer);
this.VisualChildren.Add(_gridLinesRenderer);
_gridLinesRenderer = null;
}

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