本文整理匯總了Java中android.graphics.Shader類的典型用法代碼示例。如果您正苦於以下問題:Java Shader類的具體用法?Java Shader怎麽用?Java Shader使用的例子?那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
Shader類屬於android.graphics包,在下文中一共展示了Shader類的15個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: setupBitmap
import android.graphics.Shader; //導入依賴的package包/類
private void setupBitmap(ImageView imageView, float width, float height) {
Drawable drawable = imageView.getDrawable();
if (drawable == null) {
return;
}
try {
bitmap = (drawable instanceof BitmapDrawable) ?
((BitmapDrawable) drawable).getBitmap() :
Bitmap.createBitmap(drawable.getIntrinsicWidth(),
drawable.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
} catch (Exception e) {
e.printStackTrace();
}
if (bitmap == null) {
imageView.invalidate();
return;
}
paint = new Paint(ANTI_ALIAS_FLAG);
bitmapShader = new BitmapShader(bitmap, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
paint.setShader(bitmapShader);
if (imageView.getScaleType() != ImageView.ScaleType.CENTER_CROP && imageView.getScaleType() != ImageView.ScaleType.FIT_XY) {
imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
}
bitmapShader.setLocalMatrix(setUpScaleType(bitmap, imageView, width, height));
imageView.invalidate();
}
示例2: resetLinearGradient
import android.graphics.Shader; //導入依賴的package包/類
private void resetLinearGradient() {
// our gradient is a simple linear gradient from textColor to reflectionColor. its axis is at the center
// when it's outside of the view, the outer color (textColor) will be repeated (Shader.TileMode.CLAMP)
// initially, the linear gradient is positioned on the left side of the view
linearGradient = new LinearGradient(-view.getWidth(), 0, 0, 0,
new int[]{
primaryColor,
reflectionColor,
primaryColor,
},
new float[]{
0,
0.5f,
1
},
Shader.TileMode.CLAMP
);
paint.setShader(linearGradient);
}
示例3: updateColorDependant
import android.graphics.Shader; //導入依賴的package包/類
protected void updateColorDependant(boolean hsvChanged, boolean hueChanged){
if (hueChanged) {
Shader base = new LinearGradient(A.x, A.y, (B.x + C.x) / 2, (B.y + C.y) / 2,
Color.HSVToColor(new float[]{mColor.hue(), 1, 1}), Color.BLACK, Shader.TileMode.CLAMP);
Shader light = new LinearGradient((A.x + C.x) / 2, (A.y + C.y) / 2, B.x, B.y,
Color.BLACK, Color.WHITE, Shader.TileMode.CLAMP);
Shader both = new ComposeShader(base, light, PorterDuff.Mode.ADD);
paint.setShader(both);
}
if (hsvChanged) {
dotPaint.setColor(mColor.inverted().rgb());
dot = new PointF(
C.x + (B.x - C.x + (A.x - B.x) * mColor.sat()) * mColor.val(),
C.y + (B.y - C.y + (A.y - B.y) * mColor.sat()) * mColor.val());
}
}
示例4: draw
import android.graphics.Shader; //導入依賴的package包/類
@Override
public void draw(Canvas canvas) {
Rect b = getBounds();
int height = b.height();
int width = b.width();
Paint valuePaint = new Paint();
valuePaint.setShader(
new LinearGradient(0, mInset, 0, height - mInset,
Color.WHITE, Color.BLACK, Shader.TileMode.CLAMP)
);
float hsv[] = {mHue, 1.0f, 1.0f};
int pureHue = Color.HSVToColor(hsv);
Paint saturationPaint = new Paint();
saturationPaint.setShader(
new LinearGradient(mInset, 0, width - mInset, 0,
Color.WHITE, pureHue, Shader.TileMode.CLAMP)
);
saturationPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.MULTIPLY));
canvas.drawRect(b, valuePaint);
canvas.drawRect(b, saturationPaint);
}
示例5: BubbleDrawable
import android.graphics.Shader; //導入依賴的package包/類
public BubbleDrawable(Builder builder) {
triangleWidth = builder.triangleWidth;
triangleHeight = builder.triangleHeight;
offset = builder.offset;
radius = builder.radius;
orientation = builder.orientation;
bitmap = builder.bitmap;
borderWidth = builder.borderWidth;
centerArrow = builder.centerArrow;
shadowRadius = builder.shadowRadius;
shadowColor = builder.shadowColor;
borderPaint.setStyle(Paint.Style.STROKE);
borderPaint.setStrokeCap(Paint.Cap.ROUND);
borderPaint.setColor(builder.borderColor);
leftTopRadiusRect = new RectF();
rightBottomRadiusRect = new RectF();
leftBottomRadiusRect = new RectF();
rightTopRadiusRect = new RectF();
bitmapShader = new BitmapShader(bitmap, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
bitmapPaint.setShader(bitmapShader);
}
示例6: setColor
import android.graphics.Shader; //導入依賴的package包/類
/**
* Set the bar color. <br>
* <br>
* Its discouraged to use this method.
*
* @param color
*/
public void setColor(int color) {
int x1, y1;
if(mOrientation) {
x1 = (mBarLength + mBarPointerHaloRadius);
y1 = mBarThickness;
} else {
x1 = mBarThickness;
y1 = (mBarLength + mBarPointerHaloRadius);
}
Color.colorToHSV(color, mHSVColor);
shader = new LinearGradient(mBarPointerHaloRadius, 0,
x1, y1, new int[] {Color.WHITE, color, Color.BLACK}, null,
Shader.TileMode.CLAMP);
mBarPaint.setShader(shader);
calculateColor(mBarPointerPosition);
mBarPointerPaint.setColor(mColor);
if (mPicker != null) {
mPicker.setNewCenterColor(mColor);
if(mPicker.hasOpacityBar())
mPicker.changeOpacityBarColor(mColor);
}
invalidate();
}
示例7: transform
import android.graphics.Shader; //導入依賴的package包/類
@Override public Bitmap transform(Bitmap source) {
int width = source.getWidth();
int height = source.getHeight();
Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(bitmap);
Paint paint = new Paint();
paint.setAntiAlias(true);
paint.setShader(new BitmapShader(source, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP));
drawRoundRect(canvas, paint, width, height);
source.recycle();
return bitmap;
}
示例8: setupView
import android.graphics.Shader; //導入依賴的package包/類
private void setupView() {
if (!mReady) {
mSetupPending = true;
return;
}
if (mBitmap == null) return;
mBitmapShader = new BitmapShader(mBitmap, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
mBitmapPaint.setAntiAlias(true);
mBitmapPaint.setShader(mBitmapShader);
mBorderPaint.setStyle(Paint.Style.STROKE);
mBorderPaint.setAntiAlias(true);
mBitmapHeight = mBitmap.getHeight();
mBitmapWidth = mBitmap.getWidth();
mBorderRect.set(0, 0, getWidth(), getHeight());
mDrawableRect.set(mBorderRect);
mDrawableRadius = Math.min(mDrawableRect.height() / 2, mDrawableRect.width() / 2);
updateShaderMatrix();
invalidate();
}
示例9: getSourceMaskBitmap
import android.graphics.Shader; //導入依賴的package包/類
private Bitmap getSourceMaskBitmap() {
if (sourceMaskBitmap != null) {
return sourceMaskBitmap;
}
int width = maskRect.width();
int height = getHeight();
final int edgeColor = reduceColorAlphaValueToZero(shimmerColor);
LinearGradient gradient = new LinearGradient(
-maskRect.left, 0,
width + maskRect.left, 0,
new int[]{edgeColor, shimmerColor, shimmerColor, edgeColor},
getGradientColorDistribution(),
Shader.TileMode.CLAMP);
Paint paint = new Paint();
paint.setShader(gradient);
sourceMaskBitmap = createBitmap(width, height);
Canvas canvas = new Canvas(sourceMaskBitmap);
canvas.rotate(shimmerAngle, width / 2, height / 2);
canvas.drawRect(-maskRect.left, maskRect.top, width + maskRect.left, maskRect.bottom, paint);
return sourceMaskBitmap;
}
示例10: setColor
import android.graphics.Shader; //導入依賴的package包/類
/**
* Set the bar color. <br>
* <br>
* Its discouraged to use this method.
*
* @param color
*/
public void setColor(int color) {
int x1, y1;
if (mOrientation) {
x1 = (mBarLength + mBarPointerHaloRadius);
y1 = mBarThickness;
} else {
x1 = mBarThickness;
y1 = (mBarLength + mBarPointerHaloRadius);
}
Color.colorToHSV(color, mHSVColor);
shader = new LinearGradient(mBarPointerHaloRadius, 0, x1, y1,
new int[] { Color.WHITE, color, Color.BLACK }, null,
Shader.TileMode.CLAMP);
mBarPaint.setShader(shader);
calculateColor(mBarPointerPosition);
mBarPointerPaint.setColor(mColor);
if (mPicker != null) {
mPicker.setNewCenterColor(mColor);
if (mPicker.hasOpacityBar())
mPicker.changeOpacityBarColor(mColor);
}
invalidate();
}
示例11: getFotoBitmap
import android.graphics.Shader; //導入依賴的package包/類
public Bitmap getFotoBitmap(Context context) {
Bitmap image;
if (this.foto != null) {
image = BitmapFactory.decodeByteArray(this.foto, 0, this.foto.length);
} else {
image = BitmapFactory.decodeResource(context.getResources(), R.drawable.pessoa_foto_default);
}
Bitmap imageRounded = Bitmap.createBitmap(image.getWidth(), image.getHeight(), image.getConfig());
Canvas canvas = new Canvas(imageRounded);
Paint paint = new Paint();
paint.setAntiAlias(true);
paint.setShader(new BitmapShader(image, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP));
canvas.drawRoundRect((new RectF(0, 0, image.getWidth(), image.getHeight())), image.getWidth() / 2, image.getWidth() / 2, paint);// Round Image Corner 100 100 100 100
return imageRounded;
}
示例12: setCancelIcon
import android.graphics.Shader; //導入依賴的package包/類
public void setCancelIcon(Bitmap bitmap) {
if (bitmap != null) {
mCancelIconWidth = bitmap.getWidth();
mCancelIconHeight = bitmap.getHeight();
mCancelIconShader = new BitmapShader(bitmap, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
mCancelIconShader.setLocalMatrix(mCancelIconMatrix);
mCancelIconPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
mCancelIconPaint.setShader(mCancelIconShader);
mCancelIconPaint.setColorFilter(new PorterDuffColorFilter(Color.WHITE, PorterDuff.Mode.SRC_IN));
invalidateSelf();
} else {
mCancelIconWidth = 0;
mCancelIconHeight = 0;
mCancelIconMatrix = null;
mCancelIconPaint = null;
}
}
示例13: getImageRound
import android.graphics.Shader; //導入依賴的package包/類
public static Bitmap getImageRound(byte[] imageByte) {
Bitmap image;
image = BitmapFactory.decodeByteArray(imageByte, 0, imageByte.length);
//TODO: Verificar se o formato da imagem está correto;
Bitmap imageRounded = Bitmap.createBitmap(image.getWidth(), image.getHeight(), image.getConfig());
Canvas canvas = new Canvas(imageRounded);
Paint paint = new Paint();
paint.setAntiAlias(true);
paint.setShader(new BitmapShader(image, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP));
canvas.drawRoundRect((new RectF(0, 0, image.getWidth(), image.getHeight())), image.getWidth() / 2, image.getWidth() / 2, paint);// Round Image Corner 100 100 100 100
return imageRounded;
}
示例14: updateShader
import android.graphics.Shader; //導入依賴的package包/類
private void updateShader() {
if (image == null)
return;
// Crop Center Image
image = cropBitmap(image);
// Create Shader
BitmapShader shader = new BitmapShader(image, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
// Center Image in Shader
Matrix matrix = new Matrix();
matrix.setScale((float) canvasSize / (float) image.getWidth(), (float) canvasSize / (float) image.getHeight());
shader.setLocalMatrix(matrix);
// Set Shader in Paint
paint.setShader(shader);
}
示例15: onDraw
import android.graphics.Shader; //導入依賴的package包/類
@Override
protected void onDraw(Canvas canvas) {
onDrawReady = true;
imageRenderedAtLeastOnce = true;
if (delayedZoomVariables != null) {
setZoom(delayedZoomVariables.scale, delayedZoomVariables.focusX, delayedZoomVariables.focusY, delayedZoomVariables.scaleType);
delayedZoomVariables = null;
}
super.onDraw(canvas);
if (!zooming) {
buildDrawingCache();
} else {
bitmap = getDrawingCache();
shader = new BitmapShader(bitmap, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
paint = new Paint();
paint.setShader(shader);
eMatrix.reset();
eMatrix.postScale(2f, 2f, zoomPos.x, zoomPos.y);
paint.getShader().setLocalMatrix(eMatrix);
canvas.drawCircle(zoomPos.x, zoomPos.y, sizeOfMagnifier, paint);
}
}