public override void DrawRectangle(Rectangle area, Brush brush, Thickness thickness, double radius,
Rectangle bounds)
{
SetClipArea(bounds);
if (area != Rectangle.Empty)
{
if (radius > 0)
{
FillRectangle(area, brush, radius, bounds);
}
else
{
var areaXNA = area.ToXNA();
FillRect(new RectangleXNA(areaXNA.X,
areaXNA.Top, areaXNA.Width, thickness.Top), brush);
FillRect(new RectangleXNA(areaXNA.X,
areaXNA.Top + thickness.Top, thickness.Left, areaXNA.Height - thickness.Top - thickness.Bottom),
brush);
FillRect(new RectangleXNA(areaXNA.Right - thickness.Right,
areaXNA.Top + thickness.Top, thickness.Right, areaXNA.Height - thickness.Top - thickness.Bottom),
brush);
FillRect(new RectangleXNA(areaXNA.X,
areaXNA.Bottom - thickness.Bottom, areaXNA.Width, thickness.Bottom), brush);
}
}
ResetClipArea();
}
private void SetClipArea(Rectangle bounds)
{
manager.SpriteBatch.GraphicsDevice.ScissorRectangle = bounds.ToXNA();
}
public override void StretchRectangle(Rectangle area, Color color, Rectangle bounds)
{
var shadow =
(Texture2D) manager.Skin.Textures["shadow"];
var a = area.ToXNA();
var b = bounds.ToXNA();
var half = shadow.Width / 2;
var col = color.ToXNA();
FillRectangle(area, color, area);
manager.SpriteBatch.Draw(shadow, new RectangleXNA(b.X, b.Y, a.X - b.X, a.Y - b.Y),
new RectangleXNA(0, 0, half, half), col);
manager.SpriteBatch.Draw(shadow, new RectangleXNA(b.X, a.Y + a.Height, a.X - b.X, a.Y - b.Y),
new RectangleXNA(0, half, half, half), col);
manager.SpriteBatch.Draw(shadow, new RectangleXNA(a.X + a.Width, b.Y, a.X - b.X, a.Y - b.Y),
new RectangleXNA(half, 0, half, half), col);
manager.SpriteBatch.Draw(shadow, new RectangleXNA(a.X + a.Width, a.Y + a.Height, a.X - b.X, a.Y - b.Y),
new RectangleXNA(half, half, half, half), col);
manager.SpriteBatch.Draw(shadow, new RectangleXNA(a.X, b.Y, a.Width, a.Y - b.Y),
new RectangleXNA(half, 0, 1, half), col);
manager.SpriteBatch.Draw(shadow, new RectangleXNA(a.X, a.Y + a.Height, a.Width, a.Y - b.Y),
new RectangleXNA(half, half, 1, half), col);
manager.SpriteBatch.Draw(shadow, new RectangleXNA(b.X, a.Y, a.X - b.X, a.Height),
new RectangleXNA(0, half, half, 1), col);
manager.SpriteBatch.Draw(shadow, new RectangleXNA(a.X + a.Width, a.Y, a.X - b.X, a.Height),
new RectangleXNA(half, half, half, 1), col);
}
/// <summary>
/// Draw a gradient over the specified area. To draw in a custom area (such as rounded rectangles), use a mask.
/// </summary>
private void DrawGradient(Rectangle area, GradientBrush gradientBrush)
{
Texture2D gradientTexture;
// Create new gradient texture if it is not cached.
if (!gradientCache.TryGetValue(gradientBrush, out gradientTexture))
{
var total = 15;
gradientTexture = new Texture2D(manager.SpriteBatch.GraphicsDevice, 1, total);
var start = gradientBrush.Start.ToXNA();
var end = gradientBrush.End.ToXNA();
var colors = new ColorXNA[total];
// Add the start and end colors to the start and end, then add colors in betweeen.
// The default way XNA/Monogame handles just two colors will only make 1/3rd of the result
// a gradient, so we need to add some colors in between for better interpolation.
colors[0] = start;
for (var i = 1; i < total - 1; i++)
{
colors[i] = ColorXNA.Lerp(start, end, (float) i / (total - 2));
}
colors[total - 1] = end;
gradientTexture.SetData(colors);
gradientCache.Add(gradientBrush, gradientTexture);
}
manager.SpriteBatch.Draw(gradientTexture, area.ToXNA(), null, ColorXNA.White, 0, Vector2.Zero,
SpriteEffects.None, 0);
}
public override void FillRectangle(Rectangle area, Brush brush, double radius, Rectangle bounds)
{
SetClipArea(bounds);
if (area != Rectangle.Empty)
{
if (radius > 0)
{
var corner = (int) Math.Round(radius);
var corner2 = corner * 2;
var areaXNA = area.ToXNA();
var gradientBrush = brush as GradientBrush;
if (gradientBrush != null)
{
UseMaskStencil(area);
}
// Draw 5 rectangles (top, bottom, left, right, center)
FillRect(new RectangleXNA(areaXNA.X + corner,
areaXNA.Top, areaXNA.Width - corner2, corner), brush);
FillRect(new RectangleXNA(areaXNA.X + corner,
areaXNA.Bottom - corner, areaXNA.Width - corner2, corner), brush);
FillRect(new RectangleXNA(areaXNA.X,
areaXNA.Top + corner, corner, areaXNA.Height - corner2), brush);
FillRect(new RectangleXNA(areaXNA.Right - corner,
areaXNA.Y + corner, corner, areaXNA.Height - corner2), brush);
FillRect(new RectangleXNA(areaXNA.X + corner,
areaXNA.Y + corner, areaXNA.Width - corner2, areaXNA.Height - corner2), brush);
// Draw edge corners.
var circle = GetCircleTexture(radius);
FillCorner(new RectangleXNA(areaXNA.X, areaXNA.Y, corner, corner), circle, Corner.TopLeft,
brush);
FillCorner(new RectangleXNA(areaXNA.Right - corner, areaXNA.Y, corner, corner), circle,
Corner.TopRight, brush);
FillCorner(new RectangleXNA(areaXNA.X, areaXNA.Bottom - corner, corner, corner), circle,
Corner.BottomLeft, brush);
FillCorner(new RectangleXNA(areaXNA.Right - corner, areaXNA.Bottom - corner, corner, corner),
circle,
Corner.BottomRight, brush);
// If using a gradient brush, draw a gradient over the mask.
if (gradientBrush != null)
{
UseRenderStencil();
DrawGradient(area, gradientBrush);
EndStencil();
}
}
else
{
var colorBrush = brush as ColorBrush;
var gradientBrush = brush as GradientBrush;
if (colorBrush != null)
{
manager.SpriteBatch.Draw(pixel, area.ToXNA(), null, colorBrush.ToXNA(), 0, Vector2.Zero,
SpriteEffects.None, 0);
}
if (gradientBrush != null)
{
DrawGradient(area, gradientBrush);
}
}
}
ResetClipArea();
}
