GoaLitiuM/FlaxEngine
1
0
Fork 0
Code Issues Pull Requests Actions 7 Packages Projects Releases Wiki Activity

Merge branch 'richtextbox_optimize' into signalgame2

Browse Source
This commit is contained in:
Ari Vuollet
2025-02-19 15:21:10 +02:00
parent f47214ae0a 16cd027bf3
commit ae6ec809b8
1 changed files with 24 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
Source/Engine/UI/GUI/Common/RichTextBoxBase.cs
View File

@@ -324,13 +324,27 @@ namespace FlaxEngine.GUI
var selection = new TextRange(SelectionLeft, SelectionRight); var selection = new TextRange(SelectionLeft, SelectionRight);
var viewRect = new Rectangle(_viewOffset, Size).MakeExpanded(10.0f); var viewRect = new Rectangle(_viewOffset, Size).MakeExpanded(10.0f);
var firstTextBlock = textBlocksCount; var firstTextBlock = textBlocksCount;
for (int i = 0; i < textBlocksCount; i++) if (textBlocksCount > 0)
{ {
ref TextBlock textBlock = ref textBlocks[i]; // Try to estimate the rough location of the first line
if (textBlock.Bounds.Intersects(ref viewRect)) float lineHeight = textBlocks[0].Bounds.Height;
firstTextBlock = Math.Clamp((int)Math.Floor(viewRect.Y / lineHeight) + 1, 0, textBlocksCount - 1);
if (textBlocks[firstTextBlock].Bounds.Top > viewRect.Top)
{ {
firstTextBlock = i; // Overshoot...
break; for (; firstTextBlock > 0; firstTextBlock--)
{
ref TextBlock textBlock = ref textBlocks[firstTextBlock];
if (textBlocks[firstTextBlock].Bounds.Top < viewRect.Top)
break;
}
}
for (; firstTextBlock < textBlocksCount; firstTextBlock++)
{
ref TextBlock textBlock = ref textBlocks[firstTextBlock];
if (textBlock.Bounds.Intersects(ref viewRect))
break;
} }
} }
var endTextBlock = Mathf.Min(firstTextBlock + 1, textBlocksCount); var endTextBlock = Mathf.Min(firstTextBlock + 1, textBlocksCount);
@@ -384,6 +398,9 @@ namespace FlaxEngine.GUI
if (!font) if (!font)
continue; continue;
TextRange textBlockRange = new TextRange(0, textBlock.Range.EndIndex - textBlock.Range.StartIndex);
string textBlockText = _text.Substring(textBlock.Range.StartIndex, textBlockRange.Length);
// Shadow // Shadow
Color color; Color color;
if (!textBlock.Style.ShadowOffset.IsZero && textBlock.Style.ShadowColor != Color.Transparent) if (!textBlock.Style.ShadowOffset.IsZero && textBlock.Style.ShadowColor != Color.Transparent)
@@ -391,14 +408,14 @@ namespace FlaxEngine.GUI
color = textBlock.Style.ShadowColor; color = textBlock.Style.ShadowColor;
if (!enabled) if (!enabled)
color *= 0.6f; color *= 0.6f;
Render2D.DrawText(font, _text, ref textBlock.Range, color, textBlock.Bounds.Location + textBlock.Style.ShadowOffset, textBlock.Style.CustomMaterial); Render2D.DrawText(font, textBlockText, ref textBlockRange, color, textBlock.Bounds.Location + textBlock.Style.ShadowOffset, textBlock.Style.CustomMaterial);
} }
// Text // Text
color = textBlock.Style.Color; color = textBlock.Style.Color;
if (!enabled) if (!enabled)
color *= 0.6f; color *= 0.6f;
Render2D.DrawText(font, _text, ref textBlock.Range, color, textBlock.Bounds.Location, textBlock.Style.CustomMaterial); Render2D.DrawText(font, textBlockText, ref textBlockRange, color, textBlock.Bounds.Location, textBlock.Style.CustomMaterial);
} }
// Draw underline // Draw underline