本文整理汇总了C#中Android.Graphics.Paint.SetXfermode方法的典型用法代码示例。如果您正苦于以下问题：C# Paint.SetXfermode方法的具体用法？C# Paint.SetXfermode怎么用？C# Paint.SetXfermode使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Android.Graphics.Paint的用法示例。
在下文中一共展示了Paint.SetXfermode方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: GetRoundedCornerBitmap
// If you would like to create a circle of the image set pixels to half the width of the image.
internal static Bitmap GetRoundedCornerBitmap(Bitmap bitmap, int pixels)
{
Bitmap output = null;
try
{
output = Bitmap.CreateBitmap(bitmap.Width, bitmap.Height, Bitmap.Config.Argb8888);
Canvas canvas = new Canvas(output);
Color color = new Color(66, 66, 66);
Paint paint = new Paint();
Rect rect = new Rect(0, 0, bitmap.Width, bitmap.Height);
RectF rectF = new RectF(rect);
float roundPx = pixels;
paint.AntiAlias = true;
canvas.DrawARGB(0, 0, 0, 0);
paint.Color = color;
canvas.DrawRoundRect(rectF, roundPx, roundPx, paint);
paint.SetXfermode(new PorterDuffXfermode(PorterDuff.Mode.SrcIn));
canvas.DrawBitmap(bitmap, rect, rect, paint);
}
catch (System.Exception err)
{
System.Console.WriteLine ("GetRoundedCornerBitmap Error - " + err.Message);
}
return output;
}示例2: GetCroppedBitmap
static Bitmap GetCroppedBitmap (Bitmap bmp, int radius)
{
Bitmap sbmp;
if (bmp.Width != radius || bmp.Height != radius)
sbmp = Bitmap.CreateScaledBitmap (bmp, radius, radius, false);
else
sbmp = bmp;
var output = Bitmap.CreateBitmap (sbmp.Width,
sbmp.Height, Bitmap.Config.Argb8888);
var canvas = new Canvas (output);
var paint = new Paint ();
var rect = new Rect (0, 0, sbmp.Width, sbmp.Height);
paint.AntiAlias = true;
paint.FilterBitmap = true;
paint.Dither = true;
canvas.DrawARGB (0, 0, 0, 0);
paint.Color = Color.ParseColor ("#BAB399");
canvas.DrawCircle (sbmp.Width / 2 + 0.7f, sbmp.Height / 2 + 0.7f,
sbmp.Width / 2 + 0.1f, paint);
paint.SetXfermode (new PorterDuffXfermode (PorterDuff.Mode.SrcIn));
canvas.DrawBitmap (sbmp, rect, rect, paint);
return output;
}示例3: BezelImageView
public BezelImageView(Context context, IAttributeSet attrs, int defStyle) : base(context, attrs, defStyle)
{
// Attribute initialization
var a = context.ObtainStyledAttributes(attrs, Resource.Styleable.BezelImageView, defStyle, 0);
mMaskDrawable = a.GetDrawable(Resource.Styleable.BezelImageView_maskDrawable);
if (mMaskDrawable == null) {
mMaskDrawable = Resources.GetDrawable(Resource.Drawable.bezel_mask);
}
mMaskDrawable.Callback = this;
mBorderDrawable = a.GetDrawable(Resource.Styleable.BezelImageView_borderDrawable);
if (mBorderDrawable == null) {
mBorderDrawable = Resources.GetDrawable(Resource.Drawable.bezel_border);
}
mBorderDrawable.Callback = this;
a.Recycle();
// Other initialization
mMaskedPaint = new Paint();
mMaskedPaint.SetXfermode(new PorterDuffXfermode(PorterDuff.Mode.SrcAtop));
mCopyPaint = new Paint();
}示例4: CreateEraser
public static Paint CreateEraser()
{
var eraserPaint = new Paint();
eraserPaint.Color = Color.Transparent;
eraserPaint.SetXfermode(new PorterDuffXfermode(PorterDuff.Mode.Clear));
eraserPaint.Flags = PaintFlags.AntiAlias;
return eraserPaint;
}示例5: GetRoundedCornerBitmap
public static Bitmap GetRoundedCornerBitmap(this Bitmap bitmap, int roundPixelSize)
{
Bitmap output = Bitmap.CreateBitmap(bitmap.Width, bitmap.Height, Bitmap.Config.Argb8888);
var canvas = new Canvas(output);
var paint = new Paint();
var rect = new Rect(0, 0, bitmap.Width, bitmap.Height);
var rectF = new RectF(rect);
var roundPx = roundPixelSize;
paint.AntiAlias = true;
canvas.DrawRoundRect(rectF,roundPx,roundPx, paint);
paint.SetXfermode(new PorterDuffXfermode(PorterDuff.Mode.SrcIn));
canvas.DrawBitmap(bitmap, rect, rect, paint);
return output;
}示例6: ClingDrawer
public ClingDrawer(Resources resources, Color showcaseColor)
{
this.showcaseColor = showcaseColor;
PorterDuffXfermode mBlender = new PorterDuffXfermode(PorterDuff.Mode.Clear);
mEraser = new Paint();
mEraser.Color = Color.White;
mEraser.Alpha = 0;
mEraser.SetXfermode(mBlender);
mEraser.AntiAlias = true;
mShowcaseDrawable = resources.GetDrawable(Resource.Drawable.cling_bleached);
mShowcaseDrawable.SetColorFilter(showcaseColor, PorterDuff.Mode.Multiply);
}示例7: GetRoundedCornerBitmap
public static Bitmap GetRoundedCornerBitmap(this Bitmap bitmap, int? roundPixelSize = null)
{
var chooseSize = bitmap.Width > bitmap.Height ? bitmap.Height : bitmap.Width;
roundPixelSize = roundPixelSize ?? (int)Application.Context.Resources.GetDimension(Resource.Dimension.RoundedCorners);
var output = Bitmap.CreateBitmap(chooseSize, chooseSize, Bitmap.Config.Argb8888);
var canvas = new Canvas(output);
var paint = new Paint();
var rect = new Rect(0, 0, chooseSize, chooseSize);
var rectF = new RectF(rect);
var roundPx = roundPixelSize.Value;
paint.AntiAlias = true;
canvas.DrawRoundRect(rectF, roundPx, roundPx, paint);
paint.SetXfermode(new PorterDuffXfermode(PorterDuff.Mode.SrcIn));
canvas.DrawBitmap(bitmap, rect, rect, paint);
return output;
}示例8: Evaluate
public Java.Lang.Object Evaluate (float fraction, Java.Lang.Object startValue, Java.Lang.Object endValue)
{
var bmp1 = startValue as Bitmap;
var bmp2 = endValue as Bitmap;
if (cacheBitmap == null)
cacheBitmap = Bitmap.CreateBitmap (bmp1.Width, bmp1.Height, Bitmap.Config.Argb8888);
if (blendPaint == null) {
blendPaint = new Paint ();
blendPaint.SetXfermode (new PorterDuffXfermode (PorterDuff.Mode.SrcOver));
}
using (var canvas = new Canvas (cacheBitmap)) {
canvas.DrawBitmap (bmp1, 0, 0, null);
blendPaint.Alpha = (int)((1 - fraction) * 255);
canvas.DrawBitmap (bmp2, 0, 0, blendPaint);
}
return cacheBitmap;
}示例9: CategoryBadge
static CategoryBadge()
{
center = OverallSize / 2;
mainCenter = center + offset;
backPaint = new Paint () {
Color = Color.Rgb (0xc7, 0xc7, 0xc7),
AntiAlias = true
};
backPaint.SetShader (new LinearGradient (mainCenter, 0, mainCenter, radius * 2,
Color.Rgb (0xc7, 0xc7, 0xc7),
Color.Argb (0xa2, 0xc7, 0xc70, 0xc7),
//Color.Argb (0xa2, 0xc7, 0xc7, 0xc7),
Shader.TileMode.Clamp));
darkerBackPaint = new Paint () {
Color = Color.Rgb (0xa7, 0xa7, 0xa7),
AntiAlias = true
};
shadowPaint = new Paint () {
Color = Color.Rgb (0x9a, 0x9a, 0x9a),
AntiAlias = true
};
removePaint = new Paint () {
AntiAlias = true,
Color = Color.White,
TextAlign = Paint.Align.Center,
TextSize = 14.ToPixels ()
};
//removePaint.SetXfermode (new PorterDuffXfermode (PorterDuff.Mode.Clear));
removePaint.SetXfermode (new PorterDuffXfermode (PorterDuff.Mode.DstIn));
redPaint = new Paint () {
Color = Color.Rgb (0xff, 0x44, 0x44),
AntiAlias = true
};
greenPaint = new Paint () {
Color = Color.Rgb (0x99, 0xcc, 0x00),
AntiAlias = true
};
imgPaint = new Paint () {
AntiAlias = false,
FilterBitmap = false
};
}示例10: Transform
public Bitmap Transform(Bitmap source)
{
Bitmap result = Bitmap.CreateBitmap(source.Width, source.Height, source.GetConfig());
Bitmap noise;
try
{
noise = picasso.Load(Resource.Drawable.noise).Get();
}
catch (Exception)
{
throw new Exception("Failed to apply transformation! Missing resource.");
}
BitmapShader shader = new BitmapShader(noise, Shader.TileMode.Repeat, Shader.TileMode.Repeat);
ColorMatrix colorMatrix = new ColorMatrix();
colorMatrix.SetSaturation(0);
ColorMatrixColorFilter filter = new ColorMatrixColorFilter(colorMatrix);
Paint paint = new Paint(PaintFlags.AntiAlias);
paint.SetColorFilter(filter);
Canvas canvas = new Canvas(result);
canvas.DrawBitmap(source, 0, 0, paint);
paint.SetColorFilter(null);
paint.SetShader(shader);
paint.SetXfermode(new PorterDuffXfermode(PorterDuff.Mode.Multiply));
canvas.DrawRect(0, 0, canvas.Width, canvas.Height, paint);
source.Recycle();
noise.Recycle();
return result;
}示例11: GetOvalBitmap
/// <summary>
/// Gets the oval bitmap.
/// </summary>
/// <returns>The oval bitmap.</returns>
/// <param name="bitmap">Bitmap.</param>
private Bitmap GetOvalBitmap(Bitmap bitmap)
{
Bitmap output = null;
if(bitmap != null)
{
output = Bitmap.CreateBitmap(bitmap.Width, bitmap.Height, Bitmap.Config.Argb8888);
Canvas canvas = new Canvas(output);
Paint paint = new Paint();
Rect rect = new Rect(0, 0, bitmap.Width, bitmap.Height);
RectF rectF = new RectF(rect);
paint.AntiAlias = true;
canvas.DrawARGB(0, 0, 0, 0);
paint.Color = Color.Red;
canvas.DrawOval(rectF, paint);
paint.SetXfermode(new PorterDuffXfermode(PorterDuff.Mode.SrcIn));
canvas.DrawBitmap(bitmap, rect, rect, paint);
}
return output;
}示例12: OnDraw
protected override void OnDraw(Shape shape, Android.Graphics.Canvas canvas, Paint paint)
{
var height = canvas.ClipBounds.Bottom;
var width = canvas.ClipBounds.Right;
if (noChild)
{
var borderHeight = (int)(this.borderThickness.Top + this.borderThickness.Bottom);
var borderWidth = (int)(this.borderThickness.Left + this.borderThickness.Right);
height = borderHeight > 0 ? borderHeight : canvas.ClipBounds.Bottom;
width = borderWidth > 0 ? borderWidth : canvas.ClipBounds.Right;
}
shape.Resize(width, height);
shape.Draw(canvas, strokepaint);
var pathInner = new Path();
var rect = new RectF(
(float)(borderThickness.Left),
(float)(borderThickness.Top),
(float)(canvas.ClipBounds.Right - borderThickness.Right),
(float)(canvas.ClipBounds.Bottom - borderThickness.Bottom));
pathInner.AddRoundRect(rect, cornerRadiusArray, Path.Direction.Cw);
if (!noChild)
{
var clearPaint = new Paint();
clearPaint.SetXfermode(new PorterDuffXfermode(PorterDuff.Mode.Clear));
canvas.DrawPath(pathInner, clearPaint);
}
canvas.DrawPath(pathInner, fillpaint);
}示例13: getRoundedCroppedBitmap
public static Bitmap getRoundedCroppedBitmap(Bitmap bitmap, int radius) {
Bitmap finalBitmap;
if (bitmap.Width != radius || bitmap.Height!= radius)
finalBitmap = Bitmap.CreateScaledBitmap(bitmap, radius, radius,
false);
else
finalBitmap = bitmap;
Bitmap output = Bitmap.CreateBitmap(finalBitmap.Width,
finalBitmap.Height, Bitmap.Config.Argb8888);
Canvas canvas = new Canvas(output);
Paint paint = new Paint();
Rect rect = new Rect(0, 0, finalBitmap.Width,
finalBitmap.Height);
paint.AntiAlias=true;
paint.FilterBitmap=true;
paint.Dither=true;
canvas.DrawARGB(0, 0, 0, 0);
paint.Color=Color.ParseColor("#BAB399");
canvas.DrawCircle(finalBitmap.Width / 2 + 0.7f,
finalBitmap.Height / 2 + 0.7f,
finalBitmap.Width / 2 + 0.1f, paint);
paint.SetXfermode(new PorterDuffXfermode(PorterDuff.Mode.SrcIn));
canvas.DrawBitmap(finalBitmap, rect, rect, paint);
return output;
} 示例14: loadProfilePicture
private void loadProfilePicture(Guid contactId)
{
if (contactId != null) {
ContactDB cont = new ContactDB ();
if (contacts.ContainsKey (contactId))
cont = contacts [contactId];
byte[] imgdata = cont.ContactUser.Picture;
Bitmap original = BitmapFactory.DecodeByteArray (imgdata, 0, imgdata.Length);
Bitmap mask = Bitmap.CreateScaledBitmap (BitmapFactory.DecodeResource (Resources, Resource.Drawable.emptybackground), original.Width, original.Height, true);
Bitmap result = Bitmap.CreateBitmap (mask.Width, mask.Height, Bitmap.Config.Argb8888);
Canvas canv = new Canvas (result);
Paint paint = new Paint (PaintFlags.AntiAlias);
paint.SetXfermode (new PorterDuffXfermode (PorterDuff.Mode.DstIn));
canv.DrawBitmap (original, 0, 0, null);
canv.DrawBitmap (mask, 0, 0, paint);
paint.SetXfermode (null);
RunOnUiThread (delegate {
ImageView pic = (ImageView)converse.FindViewWithTag (new Java.Lang.String ("profilepic_" + contactId.ToString ()));
pic.SetImageBitmap (result);
original.Dispose ();
mask.Dispose ();
paint.Dispose ();
canv.Dispose ();
result.Dispose ();
});
}
}示例15: SetHardwareAccelerated
public void SetHardwareAccelerated(bool accelerated)
{
if (accelerated)
{
if (Build.VERSION.SdkInt >= BuildVersionCodes.Honeycomb)
{
if (IsHardwareAccelerated)
{
var hardwarePaint = new Paint();
hardwarePaint.SetXfermode(new PorterDuffXfermode(PorterDuff.Mode.Overlay));
SetLayerType(LayerType.Hardware, hardwarePaint);
}
else
{
SetLayerType(LayerType.Software, null);
}
}
else
{
DrawingCacheEnabled = true;
}
}
else
{
if (Build.VERSION.SdkInt >= BuildVersionCodes.Honeycomb)
{
SetLayerType(LayerType.Software, null);
}
else
{
DrawingCacheEnabled = true;
}
}
}