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Improve performance of the code used to display active thumbnail's borders

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This commit is contained in:
Anton Kasyanov
2016-10-25 20:51:41 +03:00
parent b4a0e7d31d
commit 13efa15375
3 changed files with 26 additions and 71 deletions
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34
Eve-O-Preview/UI/Implementation/ThumbnailView.cs
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@@ -203,10 +203,24 @@ namespace EveOPreview.UI
public void SetHighlight(bool enabled, Color color, int width)
{
this._isSizeChanged = this._isSizeChanged || (this._isHighlightEnabled != enabled);
this._isHighlightEnabled = enabled;
this._highlightWidth = width;
this._overlay.EnableHighlight(enabled, color);
if (this._isHighlightEnabled == enabled)
{
return;
}
if (enabled)
{
this._isHighlightEnabled = true;
this._highlightWidth = width;
this.BackColor = color;
}
else
{
this._isHighlightEnabled = false;
this.BackColor = SystemColors.Control;
}
this._isSizeChanged = true;
}
public void ZoomIn(ViewZoomAnchor anchor, int zoomFactor)
@@ -330,11 +344,10 @@ namespace EveOPreview.UI
int actualHeight = baseHeight - 2 * this._highlightWidth;
double desiredWidth = actualHeight * baseAspectRatio;
int actualWidth = (int)Math.Round(desiredWidth, MidpointRounding.AwayFromZero);
int highlightWidthLeft = Math.Min(4, (baseWidth - actualWidth) / 2);
int highlightWidthRight = Math.Min(4, baseWidth - actualWidth - highlightWidthLeft);
int highlightWidthLeft = (baseWidth - actualWidth) / 2;
int highlightWidthRight = baseWidth - actualWidth - highlightWidthLeft;
this._overlay.SetHighlightWidth(highlightWidthLeft, this._highlightWidth, highlightWidthRight, this._highlightWidth);
this._thumbnail.rcDestination = new RECT(0 + highlightWidthLeft, 0 + this._highlightWidth, actualWidth + highlightWidthLeft, actualHeight + this._highlightWidth);
this._thumbnail.rcDestination = new RECT(0 + highlightWidthLeft, 0 + this._highlightWidth, baseWidth - highlightWidthRight, baseHeight - this._highlightWidth);
}
else
{
@@ -378,8 +391,9 @@ namespace EveOPreview.UI
Size overlaySize = this.ClientSize;
Point overlayLocation = this.Location;
overlayLocation.X += (this.Size.Width - this.ClientSize.Width) / 2;
overlayLocation.Y += (this.Size.Height - this.ClientSize.Height) - (this.Size.Width - this.ClientSize.Width) / 2;
int borderWidth = (this.Size.Width - this.ClientSize.Width) / 2;
overlayLocation.X += borderWidth;
overlayLocation.Y += (this.Size.Height - this.ClientSize.Height) - borderWidth;
this._isPositionChanged = false;
this._overlay.Size = overlaySize;