Example #1
0
  private Item createItem(String label, float percent, int sliceColor, int itemColor) {
    Item it = new Item();
    it.mLabel = label;
    it.mItemColor = itemColor;
    it.cSliceColor = sliceColor;
    it.cPercent = percent;
    //        Log.d(TAG, "Percent for "+it.mLabel+": "+it.cPercent);

    // Calculate the highlight color. Saturate at 0xff to make sure that high values
    // don't result in aliasing.
    it.mItemHighlight =
        Color.argb(
            0xff,
            Math.min((int) (mHighlightStrength * (float) Color.red(itemColor)), 0xff),
            Math.min((int) (mHighlightStrength * (float) Color.green(itemColor)), 0xff),
            Math.min((int) (mHighlightStrength * (float) Color.blue(itemColor)), 0xff));

    it.cSliceHighlight =
        Color.argb(
            0xff,
            Math.min((int) (mHighlightStrength * (float) Color.red(sliceColor)), 0xff),
            Math.min((int) (mHighlightStrength * (float) Color.green(sliceColor)), 0xff),
            Math.min((int) (mHighlightStrength * (float) Color.blue(sliceColor)), 0xff));

    float centerX = mPieBounds.width() / 2;
    float centerY = mPieBounds.height() / 2;
    float itemW = (mPieBounds.width() / 2) * it.cPercent;
    float itemH = (mPieBounds.height() / 2) * it.cPercent;
    it.cSliceBounds = new RectF(centerX - itemW, centerY - itemH, centerX + itemW, centerY + itemH);

    return it;
  }
 private static int blendColors(int color1, int color2, float factor) {
   final float inverseFactor = 1f - factor;
   float a = (Color.alpha(color1) * factor) + (Color.alpha(color2) * inverseFactor);
   float r = (Color.red(color1) * factor) + (Color.red(color2) * inverseFactor);
   float g = (Color.green(color1) * factor) + (Color.green(color2) * inverseFactor);
   float b = (Color.blue(color1) * factor) + (Color.blue(color2) * inverseFactor);
   return Color.argb((int) a, (int) r, (int) g, (int) b);
 }
    private int rotateColor(int color, float rad) {
      float deg = rad * 180 / 3.1415927f;
      int r = Color.red(color);
      int g = Color.green(color);
      int b = Color.blue(color);

      ColorMatrix cm = new ColorMatrix();
      ColorMatrix tmp = new ColorMatrix();

      cm.setRGB2YUV();
      tmp.setRotate(0, deg);
      cm.postConcat(tmp);
      tmp.setYUV2RGB();
      cm.postConcat(tmp);

      final float[] a = cm.getArray();

      int ir = floatToByte(a[0] * r + a[1] * g + a[2] * b);
      int ig = floatToByte(a[5] * r + a[6] * g + a[7] * b);
      int ib = floatToByte(a[10] * r + a[11] * g + a[12] * b);

      return Color.argb(
          Color.alpha(color), pinToByte(ir),
          pinToByte(ig), pinToByte(ib));
    }
 private int changeColorAlpha(int color, float value) {
   int alpha = Math.round(Color.alpha(color) * value);
   int red = Color.red(color);
   int green = Color.green(color);
   int blue = Color.blue(color);
   return Color.argb(alpha, red, green, blue);
 }
Example #5
0
  // 그리기
  void Draw(Canvas canvas) {
    Paint pnt = new Paint();
    pnt.setAntiAlias(true);

    int r;
    int alpha;

    for (r = rad, alpha = 1; r > 4; r--, alpha += 5) {
      pnt.setColor(Color.argb(alpha, Color.red(color), Color.green(color), Color.blue(color)));
      canvas.drawCircle(x, y, r, pnt);
    }
  }
    private int interpColor(int colors[], float unit) {
      if (unit <= 0) {
        return colors[0];
      }
      if (unit >= 1) {
        return colors[colors.length - 1];
      }

      float p = unit * (colors.length - 1);
      int i = (int) p;
      p -= i;

      // now p is just the fractional part [0...1) and i is the index
      int c0 = colors[i];
      int c1 = colors[i + 1];
      int a = ave(Color.alpha(c0), Color.alpha(c1), p);
      int r = ave(Color.red(c0), Color.red(c1), p);
      int g = ave(Color.green(c0), Color.green(c1), p);
      int b = ave(Color.blue(c0), Color.blue(c1), p);

      return Color.argb(a, r, g, b);
    }
Example #7
0
  public static Bitmap blurBmp(Bitmap bmp, int Blur) {

    int pixels[] = new int[bmp.getWidth() * bmp.getHeight()];
    int pixelsRawSource[] = new int[bmp.getWidth() * bmp.getHeight() * 3];
    int pixelsRawNew[] = new int[bmp.getWidth() * bmp.getHeight() * 3];
    bmp.getPixels(pixels, 0, bmp.getWidth(), 0, 0, bmp.getWidth(), bmp.getHeight());

    for (int k = 1; k <= Blur; k++) {

      for (int i = 0; i < pixels.length; i++) {
        pixelsRawSource[i * 3 + 0] = Color.red(pixels[i]);
        pixelsRawSource[i * 3 + 1] = Color.green(pixels[i]);
        pixelsRawSource[i * 3 + 2] = Color.blue(pixels[i]);
      }

      int CurrentPixel = bmp.getWidth() * 3 + 3;
      for (int i = 0; i < bmp.getHeight() - 3; i++) {
        for (int j = 0; j < bmp.getWidth() * 3; j++) {
          CurrentPixel += 1;

          int sumColor = 0;
          sumColor = pixelsRawSource[CurrentPixel - bmp.getWidth() * 3];
          sumColor = sumColor + pixelsRawSource[CurrentPixel - 3];
          sumColor = sumColor + pixelsRawSource[CurrentPixel + 3];
          sumColor = sumColor + pixelsRawSource[CurrentPixel + bmp.getWidth() * 3];
          pixelsRawNew[CurrentPixel] = Math.round(sumColor / 4);
        }
      }

      for (int i = 0; i < pixels.length; i++) {
        pixels[i] =
            Color.rgb(pixelsRawNew[i * 3 + 0], pixelsRawNew[i * 3 + 1], pixelsRawNew[i * 3 + 2]);
      }
    }

    Bitmap bmpReturn = Bitmap.createBitmap(bmp.getWidth(), bmp.getHeight(), Config.ARGB_8888);
    bmpReturn.setPixels(pixels, 0, bmp.getWidth(), 0, 0, bmp.getWidth(), bmp.getHeight());

    return bmpReturn;
  }
Example #8
0
 private int getDarkerShade(int color) {
   return Color.rgb(
       (int) (SHADE_FACTOR * Color.red(color)),
       (int) (SHADE_FACTOR * Color.green(color)),
       (int) (SHADE_FACTOR * Color.blue(color)));
 }