protected override void DrawText(float z)
{
Rect absRect = GetVisibleTextArea();
Rect clipRect = absRect.GetIntersection(this.PixelRect);
SimpleFont textFont = this.Font;
// textColors.SetAlpha(EffectiveAlpha);
Vector3 drawPos = new Vector3();
drawPos.x = absRect.Left;
drawPos.y = absRect.Top;
drawPos.z = z;
// int debug_count = 0;
foreach (TextChunk chunk in textChunks)
{
// find the intersection of chunks and lines
foreach (TextRange line in lines)
{
if (line.end <= chunk.range.start)
{
// this line comes before the chunk - skip it
continue;
}
else if (line.start >= chunk.range.end)
{
// this line comes after the chunk, so we must be done
// with the chunk.
break;
}
// some portion of this line is in this chunk
int start = line.start > chunk.range.start ? line.start : chunk.range.start;
int end = line.end > chunk.range.end ? chunk.range.end : line.end;
if (end <= start)
{
continue;
}
TextRange range = new TextRange(start, end);
PointF pt = font.GetOffset(text, lines, range.start, horzFormat, vertFormat, absRect.Width, absRect.Height, true);
drawPos.x = absRect.Left + pt.X;
drawPos.y = absRect.Top + pt.Y;
DrawText(text, start, end - start, drawPos, clipRect, chunk.style);
// debug_count++;
}
}
// log.DebugFormat("Wrote {0} lines", debug_count);
}
/// <summary>
/// Perform the actual rendering for this Window.
/// </summary>
protected override void DrawImpl(Rect drawArea, Rect clipArea, float z)
{
if (image == null)
{
return;
}
// render the image
Rect clippedArea = null;
if (clipArea != null)
{
clippedArea = clipArea.GetIntersection(PixelRect);
}
// update our alpha values
imageColors.SetAlpha(this.EffectiveAlpha);
image.Draw(drawArea, z, clippedArea, imageColors);
}
/// <summary>
/// Perform the actual rendering for this Window.
/// </summary>
protected override void DrawImpl(Rect drawArea, Rect clipArea, float z)
{
if (image == null)
return;
// render the image
Rect clippedArea = null;
if (clipArea != null)
clippedArea = clipArea.GetIntersection(PixelRect);
// update our alpha values
imageColors.SetAlpha(this.EffectiveAlpha);
image.Draw(drawArea, z, clippedArea, imageColors);
}
/// <summary>
/// Perform the actual rendering for this Window.
/// </summary>
/// <param name="z">float value specifying the base Z co-ordinate that should be used when rendering.</param>
protected override void DrawSelf(float z)
{
// Don't do anything if we don't have any text
if (this.Text == string.Empty)
return;
// render what base class needs to render first
base.DrawSelf(z);
// render text
Font textFont = this.Font;
Size max = this.MaximumSize;
Rect maxRect = new Rect(0, max.width, 0, max.height);
string message = this.Text;
// get total pixel height of the text based on its format
float textHeight =
textFont.GetFormattedLineCount(message, maxRect, horzFormatting) * textFont.LineSpacing;
float textWidth =
textFont.GetFormattedTextExtent(message, maxRect, horzFormatting);
float height = Math.Min(textHeight, max.height);
float width = textWidth;
Rect absRect = this.UnclippedPixelRect;
int newTop = (int)(absRect.Bottom - height);
int newLeft = (int)(absRect.Left + (absRect.Width - width) / 2);
int newBottom = newTop + (int)height;
int newRight = newLeft + (int)width;
Rect newAbsRect = new Rect(newLeft, newRight, newTop, newBottom);
SetAreaRect(newAbsRect);
Rect clipper = newAbsRect.GetIntersection(this.PixelRect);
textColors.SetAlpha(EffectiveAlpha);
// The z value for this will be slightly less, so that the text
// is in front of the background
textFont.DrawText(
message,
this.UnclippedInnerRect,
this.ZValue - Renderer.GuiZLayerStep,
clipper,
horzFormatting,
textColors);
}
