Exemple #1
0
        // 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);
            }
        }
Exemple #2
0
        // 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));
            }
        }