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static private ConvertImage ( java img ) : |
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| img | java | |
| return | ||
public override bool drawImage(java.awt.Image img, int x, int y, java.awt.image.ImageObserver observer)
{
Image image = J2C.ConvertImage(img);
if (image == null)
{
return(false);
}
lock (image)
{
g.DrawImage(image, x, y);
}
return(true);
}
public override bool drawImage(java.awt.Image img, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2, java.awt.image.ImageObserver observer)
{
Image image = J2C.ConvertImage(img);
if (image == null)
{
return(false);
}
Rectangle destRect = new Rectangle(dx1, dy1, dx2 - dx1, dy2 - dy1);
Rectangle srcRect = new Rectangle(sx1, sy1, sx2 - sx1, sy2 - sy1);
lock (image)
{
g.DrawImage(image, destRect, srcRect, GraphicsUnit.Pixel);
}
return(true);
}
public override bool drawImage(java.awt.Image img, int x, int y, java.awt.Color bgcolor, java.awt.image.ImageObserver observer)
{
Image image = J2C.ConvertImage(img);
if (image == null)
{
return(false);
}
using (Brush brush = J2C.CreateBrush(bgcolor))
{
g.FillRectangle(brush, x, y, image.Width, image.Height);
}
lock (image)
{
g.DrawImage(image, x, y);
}
return(true);
}
public override void setPaint(java.awt.Paint paint)
{
if (paint is java.awt.Color)
{
setColor((java.awt.Color)paint);
return;
}
if (paint == null || this.javaPaint == paint)
{
return;
}
this.javaPaint = paint;
if (paint is java.awt.GradientPaint)
{
java.awt.GradientPaint gradient = (java.awt.GradientPaint)paint;
LinearGradientBrush linear;
if (gradient.isCyclic())
{
linear = new LinearGradientBrush(
J2C.ConvertPoint(gradient.getPoint1()),
J2C.ConvertPoint(gradient.getPoint2()),
J2C.ConvertColor(gradient.getColor1()),
J2C.ConvertColor(gradient.getColor2()));
}
else
{
//HACK because .NET does not support continue gradient like Java else Tile Gradient
//that we receize the rectangle very large (factor z) and set 4 color values
// a exact solution will calculate the size of the Graphics with the current transform
Color color1 = J2C.ConvertColor(gradient.getColor1());
Color color2 = J2C.ConvertColor(gradient.getColor2());
float x1 = (float)gradient.getPoint1().getX();
float x2 = (float)gradient.getPoint2().getX();
float y1 = (float)gradient.getPoint1().getY();
float y2 = (float)gradient.getPoint2().getY();
float diffX = x2 - x1;
float diffY = y2 - y1;
const float z = 60; //HACK zoom factor, with a larger factor .NET will make the gradient wider.
linear = new LinearGradientBrush(
new PointF(x1 - z * diffX, y1 - z * diffY),
new PointF(x2 + z * diffX, y2 + z * diffY),
color1,
color1);
ColorBlend colorBlend = new ColorBlend(4);
Color[] colors = colorBlend.Colors;
colors[0] = colors[1] = color1;
colors[2] = colors[3] = color2;
float[] positions = colorBlend.Positions;
positions[1] = z / (2 * z + 1);
positions[2] = (z + 1) / (2 * z + 1);
positions[3] = 1.0f;
linear.InterpolationColors = colorBlend;
}
linear.WrapMode = WrapMode.TileFlipXY;
brush = linear;
pen.Brush = brush;
return;
}
if (paint is java.awt.TexturePaint)
{
java.awt.TexturePaint texture = (java.awt.TexturePaint)paint;
brush = new TextureBrush(
J2C.ConvertImage(texture.getImage()),
J2C.ConvertRect(texture.getAnchorRect()));
pen.Brush = brush;
return;
}
throw new NotImplementedException("setPaint(" + paint.GetType().FullName + ")");
}
