// Draw the pattern using the texture brush.
void DrawPatternWithTexBrush(GraphicsTarget g, SymPathWithHoles path, float angle, SymColor color, RenderOptions renderOpts)
{
Brush brush = (Brush) patternBrushes[color];
Debug.Assert(brush != null);
if (angle != 0.0F) {
object graphicsState = g.Save();
try {
// Set the clipping region to draw only inside the area.
g.SetClip(path);
// use a transform to rotate.
Matrix matrix = GraphicsUtil.RotationMatrix(angle, new PointF(0, 0));
g.Transform(matrix);
// Get the correct bounding rect.
RectangleF bounding = Util.BoundsOfRotatedRectangle(path.BoundingBox, new PointF(), -angle);
g.FillRectangle(brush, bounding);
}
finally {
// restore the clip region and the transform
g.Restore(graphicsState);
}
}
else {
path.Fill(g, brush);
}
}
// Draw the framing rectangle around some text. The top of the text is at 0, and the bottom baseline of text is at "bottomOfText".
private void DrawFramingRectangle(GraphicsTarget g, float[] lineWidths, float fullWidth, SymColor color, float bottomOfText)
{
if (framing.framingStyle == FramingStyle.Rectangle && color == framing.framingColor) {
// First, figure out the width of the rectangle. If fullWidth is zero, used the maximum line width.
fullWidth = CalcFullWidth(lineWidths, fullWidth);
// Next, figure out the rectangle, not counting padding.
float l, t, r, b;
if (fontAlign == TextSymDefAlignment.Right)
l = -fullWidth;
else if (fontAlign == TextSymDefAlignment.Center)
l = -(fullWidth / 2F);
else
l = 0;
r = l + fullWidth;
t = FontAscent - WHeight; // Place the top of the rectangle at top of letter "W", not top of accents.
b = bottomOfText;
// Add padding.
t -= framing.rectBorderTop;
b += framing.rectBorderBottom;
l -= framing.rectBorderLeft;
r += framing.rectBorderRight;
// Draw the rectangle
g.FillRectangle(color.Brush, new RectangleF(l, t, r - l, b - t));
}
}