/**
* Draw the outline of the given shape. Only the vertices are set. The colour has to be set
* independently of this method.
*
* @param shape The shape to draw.
* @param fill The fill to apply
*/
public static final void draw(Shape shape, ShapeFill fill) {
float points[] = shape.getPoints();
Texture t = TextureImpl.getLastBind();
TextureImpl.bindNone();
float center[] = shape.getCenter();
GL.glBegin(SGL.GL_LINE_STRIP);
for (int i = 0; i < points.length; i += 2) {
fill.colorAt(shape, points[i], points[i + 1]).bind();
Vector2f offset = fill.getOffsetAt(shape, points[i], points[i + 1]);
GL.glVertex2f(points[i] + offset.x, points[i + 1] + offset.y);
}
if (shape.closed()) {
fill.colorAt(shape, points[0], points[1]).bind();
Vector2f offset = fill.getOffsetAt(shape, points[0], points[1]);
GL.glVertex2f(points[0] + offset.x, points[1] + offset.y);
}
GL.glEnd();
if (t == null) {
TextureImpl.bindNone();
} else {
t.bind();
}
}
/**
* Draw the the given shape filled in. Only the vertices are set. The colour has to be set
* independently of this method.
*
* @param shape The shape to fill.
* @param callback The callback that will be invoked for each shape point
*/
private static final void fill(Shape shape, PointCallback callback) {
Triangulator tris = shape.getTriangles();
GL.glBegin(SGL.GL_TRIANGLES);
for (int i = 0; i < tris.getTriangleCount(); i++) {
for (int p = 0; p < 3; p++) {
float[] pt = tris.getTrianglePoint(i, p);
float[] np = callback.preRenderPoint(shape, pt[0], pt[1]);
if (np == null) {
GL.glVertex2f(pt[0], pt[1]);
} else {
GL.glVertex2f(np[0], np[1]);
}
}
}
GL.glEnd();
}
public void drawRectangleGradient(
Vector2f p1,
Vector2f p2,
Color topLeft,
Color topRight,
Color bottomLeft,
Color bottomRight) {
getPrivates();
try {
Reflection.invokePrivateMethod(mPredraw, g);
} catch (Exception e) {
App.getApp().handle(e);
}
TextureImpl.bindNone();
Color.white.bind();
GL11.glBegin(GL11.GL_POLYGON);
Color c;
c = topLeft;
gl.glColor4f(c.r, c.g, c.b, c.a);
gl.glVertex2f(p1.x, p1.y);
c = topRight;
gl.glColor4f(c.r, c.g, c.b, c.a);
gl.glVertex2f(p2.x, p1.y);
c = bottomRight;
gl.glColor4f(c.r, c.g, c.b, c.a);
gl.glVertex2f(p2.x, p2.y);
c = bottomLeft;
gl.glColor4f(c.r, c.g, c.b, c.a);
gl.glVertex2f(p1.x, p2.y);
gl.glEnd();
try {
Reflection.invokePrivateMethod(mPostdraw, g);
} catch (Exception e) {
App.getApp().handle(e);
}
}
public void drawTriangle(Vector2f p1, Vector2f p2, Vector2f p3, Color c1, Color c2, Color c3) {
getPrivates();
try {
Reflection.invokePrivateMethod(mPredraw, g);
} catch (Exception e) {
App.getApp().handle(e);
}
TextureImpl.bindNone();
Color.white.bind();
gl.glBegin(SGL.GL_TRIANGLES);
gl.glColor4f(c1.r, c1.g, c1.b, c1.a);
gl.glVertex2f(p1.x, p1.y);
gl.glColor4f(c2.r, c2.g, c2.b, c2.a);
gl.glVertex2f(p2.x, p2.y);
gl.glColor4f(c3.r, c3.g, c3.b, c3.a);
gl.glVertex2f(p3.x, p3.y);
gl.glEnd();
try {
Reflection.invokePrivateMethod(mPostdraw, g);
} catch (Exception e) {
App.getApp().handle(e);
}
}
