Example usage for android.graphics Canvas drawPaint

Introduction

In this page you can find the example usage for android.graphics Canvas drawPaint.

Prototype

public void drawPaint(@NonNull Paint paint) 

Source Link

Document

Fill the entire canvas' bitmap (restricted to the current clip) with the specified paint.

Usage

From source file:com.guodong.sun.guodong.widget.ZoomImageView.java

@Override
protected void onDraw(Canvas canvas) {
    if (getDrawable() == null) {
        return; // couldn't resolve the URI
    }/* ww w.  j ava 2  s . c o m*/

    if (mState == STATE_TRANSFORM_IN || mState == STATE_TRANSFORM_OUT) {
        if (mTransformStart) {
            initTransform();
        }
        if (mTransfrom == null) {
            super.onDraw(canvas);
            return;
        }

        if (mTransformStart) {
            if (mState == STATE_TRANSFORM_IN) {
                mTransfrom.initStartIn();
            } else {
                mTransfrom.initStartOut();
            }
        }

        if (mTransformStart) {
            Log.d("Dean", "mTransfrom.startScale:" + mTransfrom.startScale);
            Log.d("Dean", "mTransfrom.startScale:" + mTransfrom.endScale);
            Log.d("Dean", "mTransfrom.scale:" + mTransfrom.scale);
            Log.d("Dean", "mTransfrom.startRect:" + mTransfrom.startRect.toString());
            Log.d("Dean", "mTransfrom.endRect:" + mTransfrom.endRect.toString());
            Log.d("Dean", "mTransfrom.rect:" + mTransfrom.rect.toString());
        }

        mPaint.setAlpha(mBgAlpha);
        canvas.drawPaint(mPaint);

        int saveCount = canvas.getSaveCount();
        canvas.save();
        // ?Matrix
        getBmpMatrix();
        canvas.translate(mTransfrom.rect.left, mTransfrom.rect.top);
        canvas.clipRect(0, 0, mTransfrom.rect.width, mTransfrom.rect.height);
        canvas.concat(mSmoothMatrix);
        getDrawable().draw(canvas);
        canvas.restoreToCount(saveCount);
        if (mTransformStart) {
            mTransformStart = false;
            startTransform(mState);
        }
    } else {
        //Transform In???Activity??
        mPaint.setAlpha(255);
        canvas.drawPaint(mPaint);
        super.onDraw(canvas);
    }
}

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