| public setShader ( android arg0 ) : global::android.graphics.Shader | ||
| arg0 | android | |
| return | global::android.graphics.Shader | |
static void test_alphagradients (Canvas canvas)
{
canvas.translate (20, 10);
RectF r = new RectF (10, 10, 410, 30);
Paint p = new Paint (), p2 = new Paint ();
p2.setStyle (Paint.Style.STROKE);
using (Shader shader = setgrad (r, 0xFF00FF00, 0x0000FF00))
p.setShader (shader);
canvas.drawRect (r, p);
canvas.drawRect (r, p2);
r.offset (0, r.height () + 4);
using (Shader shader = setgrad(r, 0xFF00FF00, 0x00000000))
p.setShader (shader);
canvas.drawRect (r, p);
canvas.drawRect (r, p2);
r.offset (0, r.height () + 4);
using (Shader shader = setgrad(r, 0xFF00FF00, 0x00FF0000))
p.setShader (shader);
canvas.drawRect (r, p);
canvas.drawRect (r, p2);
}
protected override void onDraw (Canvas canvas)
{
Console.WriteLine ("DRAW: {0} {1}", canvas.getWidth (), canvas.getHeight ());
RectF r = new RectF (0, 0, canvas.getWidth (), canvas.getHeight ());
Paint paint = new Paint ();
using (Shader shader = make_grad (canvas.getWidth(), canvas.getHeight()))
paint.setShader (shader);
canvas.drawRect (r, paint);
}
protected override void onDraw (Canvas canvas)
{
canvas.drawColor (Color.WHITE);
Paint p = new Paint ();
float y = 10;
p.setColor (Color.RED);
canvas.drawBitmap (mBitmap, 10, y, p);
y += mBitmap.getHeight () + 10;
canvas.drawBitmap (mBitmap2, 10, y, p);
y += mBitmap2.getHeight () + 10;
p.setShader (mShader);
canvas.drawBitmap (mBitmap3, 10, y, p);
}
protected override void onDraw (Canvas canvas)
{
canvas.drawColor (unchecked((int)0xFFDDDDDD));
test_alphagradients (canvas);
RectF r = new RectF (0, 0, 100, 100);
Paint paint = new Paint ();
paint.setDither (true);
canvas.save ();
canvas.translate (20, 100);
Shader.TileMode[] modes = {
Shader.TileMode.CLAMP, Shader.TileMode.MIRROR, Shader.TileMode.CLAMP
};
foreach (Shader.TileMode tile in modes) {
canvas.save ();
foreach (GradData data in Grads) {
canvas.save ();
foreach (GradMaker maker in GradMakers) {
using (Shader shader = maker(r, data, tile))
paint.setShader (shader);
canvas.drawRect (r, paint);
canvas.translate (0, 120);
}
canvas.restore ();
canvas.translate (120, 0);
}
canvas.translate (Grads.Length * 120, 0);
}
canvas.restore ();
canvas.translate (0, 370);
}
protected override void onDraw (Canvas canvas)
{
canvas.drawColor (Color.WHITE);
Paint labelP = new Paint (Paint.ANTI_ALIAS_FLAG);
labelP.setTextAlign (Paint.Align.CENTER);
Paint paint = new Paint ();
paint.setFilterBitmap (false);
canvas.translate (15, 35);
int x = 0;
int y = 0;
for (int i = 0; i < sModes.Length; i++) {
// draw the border
paint.setStyle (Paint.Style.STROKE);
paint.setShader (null);
canvas.drawRect (x - 0.5f, y - 0.5f,
x + W + 0.5f, y + H + 0.5f, paint);
// draw the checker-board pattern
paint.setStyle (Paint.Style.FILL);
paint.setShader (mBG);
canvas.drawRect (x, y, x + W, y + H, paint);
// draw the src/dst example into our offscreen bitmap
int sc = canvas.saveLayer (x, y, x + W, y + H, null,
Canvas.MATRIX_SAVE_FLAG |
Canvas.CLIP_SAVE_FLAG |
Canvas.HAS_ALPHA_LAYER_SAVE_FLAG |
Canvas.FULL_COLOR_LAYER_SAVE_FLAG |
Canvas.CLIP_TO_LAYER_SAVE_FLAG);
canvas.translate (x, y);
canvas.drawBitmap (mDstB, 0, 0, paint);
paint.setXfermode (sModes [i]);
canvas.drawBitmap (mSrcB, 0, 0, paint);
paint.setXfermode (null);
canvas.restoreToCount (sc);
// draw the label
canvas.drawText (sLabels [i],
x + W / 2, y - labelP.getTextSize () / 2, labelP);
x += W + 10;
// wrap around when we've drawn enough for one row
if ((i % ROW_MAX) == ROW_MAX - 1) {
x = 0;
y += H + 30;
}
}
}
