Examples with Canvas android.graphics.Canvas used on opensource projects

Example 31 with Canvas

use of android.graphics.Canvas in project glitch-hq-android by tinyspeck.

the class BitmapUtil method CreateOvalImage.

public static Bitmap CreateOvalImage(Bitmap orgBmp) {
    int nW = 60;
    int nH = 60;
    int nW0 = orgBmp.getWidth();
    int nH0 = orgBmp.getHeight();
    //			Rect r = new Rect();
    //			r.left = (int) ( nW0 * 0.18 );
    //			r.top = nH0 / 11;
    //			r.right = (int) ( nW0 * 0.94 );
    //			r.bottom = (int) ( nH0 * 0.63 );			
    Rect r = new Rect();
    r.left = 18;
    r.top = 16;
    r.right = nW0;
    r.bottom = 95;
    Bitmap bmNew = Bitmap.createBitmap(nW, nH, Bitmap.Config.ARGB_8888);
    Canvas cvs = new Canvas(bmNew);
    Paint paint = new Paint();
    paint.setStyle(Paint.Style.STROKE);
    paint.setAntiAlias(true);
    paint.setAlpha(78);
    paint.setColor(0xffc0c0c0);
    RectF rDest = new RectF();
    rDest.left = 1;
    rDest.right = nW;
    rDest.top = 1;
    rDest.bottom = nH;
    Path clip = new Path();
    clip.addCircle(nW / 2, nH / 2, (float) (nW / 2 + 0.5), Path.Direction.CW);
    cvs.clipPath(clip);
    cvs.drawARGB(78, 233, 240, 240);
    cvs.drawBitmap(orgBmp, r, rDest, paint);
    cvs.drawCircle(nW / 2, nH / 2, nW / 2, paint);
    return bmNew;
}

Example 32 with Canvas

use of android.graphics.Canvas in project glitch-hq-android by tinyspeck.

the class BitmapUtil method GetGrayscale.

public static Bitmap GetGrayscale(ImageView iv, Bitmap bm, boolean big) {
    int width, height;
    height = bm.getHeight();
    width = bm.getWidth();
    Bitmap bmGrayscale = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    Bitmap bmCheckMark = BitmapFactory.decodeResource(iv.getResources(), big ? R.drawable.checkmark : R.drawable.checkmark_small);
    Canvas c = new Canvas(bmGrayscale);
    // for bitmap
    Paint paint = new Paint();
    ColorMatrix cm = new ColorMatrix();
    cm.setSaturation(0);
    ColorMatrixColorFilter f = new ColorMatrixColorFilter(cm);
    paint.setColorFilter(f);
    // for check mark
    Paint colorPaint = new Paint();
    // for circle around bitmap
    Paint cPaint = new Paint();
    cPaint.setStyle(Paint.Style.STROKE);
    cPaint.setAntiAlias(true);
    cPaint.setAlpha(78);
    cPaint.setColor(0xffc0c0c0);
    Path clip = new Path();
    clip.addCircle(width / 2, height / 2, (float) (width / 2 + 1.0), Path.Direction.CW);
    c.clipPath(clip);
    c.drawARGB(78, 233, 240, 240);
    c.drawBitmap(bm, 0, 0, paint);
    c.drawCircle(width / 2, height / 2, width / 2, cPaint);
    if (big) {
        c.drawBitmap(bmCheckMark, 100, 65, colorPaint);
    } else {
        c.drawBitmap(bmCheckMark, 35, 30, colorPaint);
    }
    return bmGrayscale;
}

Example 33 with Canvas

use of android.graphics.Canvas in project BGAQRCode-Android by bingoogolapple.

the class BGAQRCodeUtil method adjustPhotoRotation.

public static Bitmap adjustPhotoRotation(Bitmap inputBitmap, int orientationDegree) {
    if (inputBitmap == null) {
        return null;
    }
    Matrix matrix = new Matrix();
    matrix.setRotate(orientationDegree, (float) inputBitmap.getWidth() / 2, (float) inputBitmap.getHeight() / 2);
    float outputX, outputY;
    if (orientationDegree == 90) {
        outputX = inputBitmap.getHeight();
        outputY = 0;
    } else {
        outputX = inputBitmap.getHeight();
        outputY = inputBitmap.getWidth();
    }
    final float[] values = new float[9];
    matrix.getValues(values);
    float x1 = values[Matrix.MTRANS_X];
    float y1 = values[Matrix.MTRANS_Y];
    matrix.postTranslate(outputX - x1, outputY - y1);
    Bitmap outputBitmap = Bitmap.createBitmap(inputBitmap.getHeight(), inputBitmap.getWidth(), Bitmap.Config.ARGB_8888);
    Paint paint = new Paint();
    Canvas canvas = new Canvas(outputBitmap);
    canvas.drawBitmap(inputBitmap, matrix, paint);
    return outputBitmap;
}

Example 34 with Canvas

use of android.graphics.Canvas in project BGAQRCode-Android by bingoogolapple.

the class BGAQRCodeUtil method makeTintBitmap.

public static Bitmap makeTintBitmap(Bitmap inputBitmap, int tintColor) {
    if (inputBitmap == null) {
        return null;
    }
    Bitmap outputBitmap = Bitmap.createBitmap(inputBitmap.getWidth(), inputBitmap.getHeight(), inputBitmap.getConfig());
    Canvas canvas = new Canvas(outputBitmap);
    Paint paint = new Paint();
    paint.setColorFilter(new PorterDuffColorFilter(tintColor, PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(inputBitmap, 0, 0, paint);
    return outputBitmap;
}

Example 35 with Canvas

use of android.graphics.Canvas in project BGARefreshLayout-Android by bingoogolapple.

the class BGAMoocStyleRefreshView method initCanvas.

private void initCanvas() {
    mOriginalBitmapWidth = mOriginalBitmap.getWidth();
    mOriginalBitmapHeight = mOriginalBitmap.getHeight();
    // 初始状态值
    mWaveOriginalY = mOriginalBitmapHeight;
    mWaveY = 1.2f * mWaveOriginalY;
    mBezierControlOriginalY = 1.25f * mWaveOriginalY;
    mBezierControlY = mBezierControlOriginalY;
    mXfermode = new PorterDuffXfermode(PorterDuff.Mode.SRC_IN);
    mBezierPath = new Path();
    mCanvas = new Canvas();
    mUltimateBitmap = Bitmap.createBitmap(mOriginalBitmapWidth, mOriginalBitmapHeight, Config.ARGB_8888);
    mCanvas.setBitmap(mUltimateBitmap);
}