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);
}
// 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);
}
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;
}
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)));
}