android.graphics.Shader.setLocalMatrix()方法的使用及代码示例

x33g5p2x  于2022-01-30 转载在 其他  
字(9.2k)|赞(0)|评价(0)|浏览(246)

本文整理了Java中android.graphics.Shader.setLocalMatrix()方法的一些代码示例，展示了Shader.setLocalMatrix()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Shader.setLocalMatrix()方法的具体详情如下：
包路径：android.graphics.Shader
类名称：Shader
方法名：setLocalMatrix

Shader.setLocalMatrix介绍

暂无

代码示例

代码示例来源：origin: koral--/android-gif-drawable

@Override
  public void onDraw(Canvas canvas, Paint paint, Bitmap buffer) {
    if (mCornerRadius == 0) {
      canvas.drawBitmap(buffer, null, mDstRectF, paint);
      return;
    }
    if (mShader == null) {
      mShader = new BitmapShader(buffer, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
      final Matrix shaderMatrix = new Matrix();
      shaderMatrix.setTranslate(mDstRectF.left, mDstRectF.top);
      shaderMatrix.preScale(mDstRectF.width() / buffer.getWidth(), mDstRectF.height() / buffer.getHeight());
      mShader.setLocalMatrix(shaderMatrix);
    }
    paint.setShader(mShader);
    canvas.drawRoundRect(mDstRectF, mCornerRadius, mCornerRadius, paint);
  }
}

代码示例来源：origin: airbnb/lottie-android

@Override public void draw(Canvas canvas, Matrix parentMatrix, int parentAlpha) {
 if (hidden) {
  return;
 }
 L.beginSection("GradientFillContent#draw");
 path.reset();
 for (int i = 0; i < paths.size(); i++) {
  path.addPath(paths.get(i).getPath(), parentMatrix);
 }
 path.computeBounds(boundsRect, false);
 Shader shader;
 if (type == GradientType.Linear) {
  shader = getLinearGradient();
 } else {
  shader = getRadialGradient();
 }
 shaderMatrix.set(parentMatrix);
 shader.setLocalMatrix(shaderMatrix);
 paint.setShader(shader);
 if (colorFilterAnimation != null) {
  paint.setColorFilter(colorFilterAnimation.getValue());
 }
 int alpha = (int) ((parentAlpha / 255f * opacityAnimation.getValue() / 100f) * 255);
 paint.setAlpha(clamp(alpha, 0, 255));
 canvas.drawPath(path, paint);
 L.endSection("GradientFillContent#draw");
}

代码示例来源：origin: alexvasilkov/GestureViews

private void updateShaderMatrix() {
  if (!clipRect.isEmpty() && bitmapPaint.getShader() != null) {
    getController().getState().get(tmpMatrix);
    // Including paddings & reverting rotation (will be applied later in draw() method)
    tmpMatrix.postTranslate(getPaddingLeft(), getPaddingTop());
    tmpMatrix.postRotate(-clipRotation, clipRect.centerX(), clipRect.centerY());
    bitmapPaint.getShader().setLocalMatrix(tmpMatrix);
  }
}

代码示例来源：origin: jakob-grabner/Circle-Progress-View

private void setupBarPaint() {
  if (mBarColors.length > 1) {
    mBarPaint.setShader(new SweepGradient(mCircleBounds.centerX(), mCircleBounds.centerY(), mBarColors, null));
    Matrix matrix = new Matrix();
    mBarPaint.getShader().getLocalMatrix(matrix);
    matrix.postTranslate(-mCircleBounds.centerX(), -mCircleBounds.centerY());
    matrix.postRotate(mStartAngle);
    matrix.postTranslate(mCircleBounds.centerX(), mCircleBounds.centerY());
    mBarPaint.getShader().setLocalMatrix(matrix);
    mBarPaint.setColor(mBarColors[0]);
  } else if (mBarColors.length == 1) {
    mBarPaint.setColor(mBarColors[0]);
    mBarPaint.setShader(null);
  } else {
    mBarPaint.setColor(mBarColorStandard);
    mBarPaint.setShader(null);
  }
  mBarPaint.setAntiAlias(true);
  mBarPaint.setStrokeCap(mBarStrokeCap);
  mBarPaint.setStyle(Style.STROKE);
  mBarPaint.setStrokeWidth(mBarWidth);
  if (mBarStrokeCap != Paint.Cap.BUTT) {
    mShaderlessBarPaint = new Paint(mBarPaint);
    mShaderlessBarPaint.setShader(null);
    mShaderlessBarPaint.setColor(mBarColors[0]);
  }
}

代码示例来源：origin: chiuki/advanced-textview

@Override
 public void updateDrawState(TextPaint paint) {
  paint.setStyle(Paint.Style.FILL);
  Shader shader = new LinearGradient(0, 0, 0, paint.getTextSize() * colors.length, colors, null,
    Shader.TileMode.MIRROR);
  Matrix matrix = new Matrix();
  matrix.setRotate(90);
  shader.setLocalMatrix(matrix);
  paint.setShader(shader);
 }
}

代码示例来源：origin: chiuki/advanced-textview

@Override
 public void updateDrawState(TextPaint paint) {
  paint.setStyle(Paint.Style.FILL);
  float width = paint.getTextSize() * colors.length;
  if (shader == null) {
   shader = new LinearGradient(0, 0, 0, width, colors, null,
     Shader.TileMode.MIRROR);
  }
  matrix.reset();
  matrix.setRotate(90);
  matrix.postTranslate(width * translateXPercentage, 0);
  shader.setLocalMatrix(matrix);
  paint.setShader(shader);
 }
}

代码示例来源：origin: zincPower/UI2018

public void init(Context context) {
  Bitmap bm = Bitmap.createBitmap(new int[]{0xFFFFFFFF, 0xFFCCCCCC, 0xFFCCCCCC, 0xFFFFFFFF},
      2, 2, Bitmap.Config.RGB_565);
  itemBackground = new BitmapShader(bm,
      Shader.TileMode.REPEAT,
      Shader.TileMode.REPEAT);
  Matrix m = new Matrix();
  m.setScale(6, 6);
  itemBackground.setLocalMatrix(m);
  mBgPaint = new Paint();
  mBitmapPaint = new Paint();
  mBitmapPaint.setAntiAlias(true);
}

代码示例来源：origin: wcy10586/CustomShapeImageView

private void drawShader(Canvas canvas, Bitmap bmp, float bmpW, float bmpH, float w, float h) {
  shader = new BitmapShader(bmp, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
  Matrix matrix = new Matrix();
  setMatrix(matrix, bmpW, bmpH, w, h);
  shader.setLocalMatrix(matrix);
  shaderPaint.setColor(Color.TRANSPARENT);
  shaderPaint.setShader(shader);
  canvas.drawPaint(shaderPaint);
}

代码示例来源：origin: qiubiteme/android_api_demos

public SampleView(Context context) {
  super(context);
  mSrcB = makeSrc(W, H);
  mDstB = makeDst(W, H);
  // make a ckeckerboard pattern
  Bitmap bm = Bitmap.createBitmap(new int[] { 0xFFFFFFFF, 0xFFCCCCCC,
                  0xFFCCCCCC, 0xFFFFFFFF }, 2, 2,
                  Bitmap.Config.RGB_565);
  mBG = new BitmapShader(bm,
              Shader.TileMode.REPEAT,
              Shader.TileMode.REPEAT);
  Matrix m = new Matrix();
  m.setScale(6, 6);
  mBG.setLocalMatrix(m);
}

代码示例来源：origin: stackoverflow.com

int[] rainbow = getRainbowColors();
 Shader shader = new LinearGradient(0, 0, 0, width, rainbow,
     null, Shader.TileMode.REPEAT);
 Matrix matrix = new Matrix();
 matrix.setRotate(90);
 shader.setLocalMatrix(matrix);
 mPrimaryPaint.setShader(shader);

代码示例来源：origin: THEONE10211024/ApiDemos

public SampleView(Context context) {
  super(context);
  mSrcB = makeSrc(W, H);
  mDstB = makeDst(W, H);
  // make a ckeckerboard pattern
  Bitmap bm = Bitmap.createBitmap(new int[] { 0xFFFFFFFF, 0xFFCCCCCC,
                  0xFFCCCCCC, 0xFFFFFFFF }, 2, 2,
                  Bitmap.Config.RGB_565);
  mBG = new BitmapShader(bm,
              Shader.TileMode.REPEAT,
              Shader.TileMode.REPEAT);
  Matrix m = new Matrix();
  m.setScale(6, 6);
  mBG.setLocalMatrix(m);
}

代码示例来源：origin: nomanr/android-image-magnifier

@Override
protected void onDraw(Canvas canvas) {
  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);
    matrix.reset();
    matrix.postScale(2f, 2f, zoomPos.x, zoomPos.y);
    paint.getShader().setLocalMatrix(matrix);
    canvas.drawCircle(zoomPos.x, zoomPos.y, sizeOfMagnifier, paint);
  }
}

代码示例来源：origin: stackoverflow.com

public void init() {      
  int[] colors = {Color.GREEN, Color.RED};
  float[] positions = {0, 1};

  Matrix matrix = new Matrix();
  matrix.postRotate(90, 100, 100);

  Shader gradient = new SweepGradient(100, 100, colors, positions);
  gradient.setLocalMatrix(matrix);

  paint = new Paint();
  paint.setShader(gradient);
}

@Override
protected void onDraw(Canvas canvas) {
  super.onDraw(canvas);
  canvas.drawCircle(100, 100, 100, paint);
}

代码示例来源：origin: huangweicai/OkLibDemo

@Override
  public void updateDrawState(TextPaint paint) {
    paint.setStyle(Paint.Style.FILL);
    Shader shader = new LinearGradient(0, 0, 0, paint.getTextSize() * colors.length, colors, null,
        Shader.TileMode.MIRROR);
    Matrix matrix = new Matrix();
    matrix.setRotate(90);
    shader.setLocalMatrix(matrix);
    paint.setShader(shader);
  }
}

代码示例来源：origin: Fueled/snippety

@Override
  public void updateDrawState(TextPaint paint) {
    paint.setStyle(Paint.Style.FILL);
    float width = paint.getTextSize() * colors.length;
    if (shader == null) {
      shader = new LinearGradient(0, 0, 0, width, colors, null, Shader.TileMode.MIRROR);
    }
    matrix.reset();
    matrix.setRotate(90);
    matrix.postTranslate(width * translateXPercentage, 0);
    shader.setLocalMatrix(matrix);
    paint.setShader(shader);
  }
}

代码示例来源：origin: THEONE10211024/ApiDemos

public SampleView(Context context) {
  super(context);
  setFocusable(true);
  setFocusableInTouchMode(true);
  mFastDF = new PaintFlagsDrawFilter(Paint.FILTER_BITMAP_FLAG |
                    Paint.DITHER_FLAG,
                    0);
  mShader1 = new BitmapShader(makeBitmap1(), Shader.TileMode.REPEAT,
                Shader.TileMode.REPEAT);
  mShader2 = new BitmapShader(makeBitmap2(), Shader.TileMode.REPEAT,
                Shader.TileMode.REPEAT);
  Matrix m = new Matrix();
  m.setRotate(30);
  mShader2.setLocalMatrix(m);
  mPaint = new Paint(Paint.FILTER_BITMAP_FLAG);
}

代码示例来源：origin: Fueled/snippety

@Override
  public void updateDrawState(TextPaint paint) {
    paint.setStyle(Paint.Style.FILL);
    Shader shader = new LinearGradient(0, 0, 0, paint.getTextSize() * colors.length, colors, null,
        Shader.TileMode.MIRROR);
    Matrix matrix = new Matrix();
    matrix.setRotate(angle);
    shader.setLocalMatrix(matrix);
    paint.setShader(shader);
  }
}

代码示例来源：origin: jamorham/xDrip-plus

protected void updateRainbow() {
  animationAngle = (animationAngle + 1) % 360;
  //Animation matrix:
  int[] rainbow = {Color.RED, Color.YELLOW, Color.GREEN, Color.BLUE
      , Color.CYAN};
  Shader shader = new LinearGradient(0, 0, 0, 20, rainbow,
      null, Shader.TileMode.MIRROR);
  Matrix matrix = new Matrix();
  matrix.setRotate(animationAngle);
  shader.setLocalMatrix(matrix);
  mSgv.getPaint().setShader(shader);
  invalidate();
}

代码示例来源：origin: huangweicai/OkLibDemo

@Override
  public void updateDrawState(TextPaint paint) {
    paint.setStyle(Paint.Style.FILL);
    float width = paint.getTextSize() * colors.length;
    if (shader == null) {
      shader = new LinearGradient(0, 0, 0, width, colors, null,
          Shader.TileMode.MIRROR);
    }
    matrix.reset();
    matrix.setRotate(90);
    matrix.postTranslate(width * translateXPercentage, 0);
    shader.setLocalMatrix(matrix);
    paint.setShader(shader);
  }
}

代码示例来源：origin: zincPower/UI2018

@Override
  public boolean onTouchEvent(MotionEvent event) {
    float x = event.getX();
    float y = event.getY();

    // 偏移
    matrix.setTranslate(-x * FACTOR + RADIUS, -y * FACTOR + RADIUS);
    shapeDrawable.getPaint().getShader().setLocalMatrix(matrix);
    shapeDrawable.setBounds((int) x - RADIUS,
        (int) y - RADIUS,
        (int) x + RADIUS,
        (int) y + RADIUS);

    invalidate();

    return true;
  }
}

内容来源于网络，如有侵权，请联系作者删除！

shader

相关文章

    查看更多

    热门标签

    更多
    JavaquerypythonNode开发语言requestUtil数据库Table后端算法LoggerMessageElementParser

    最新文章

    更多
    • 蜀ICP备2022004421号-2 NULL123 https://www.null123.com © All rights reserved
    • 本站内容来源互联网,如果侵犯您的权益请联系我们删除, 联系方式：448109455@qq.com