Example usage for android.graphics Canvas setBitmap

Introduction

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

Prototype

public void setBitmap(@Nullable Bitmap bitmap)

Source Link

Document

Specify a bitmap for the canvas to draw into.

Usage

From source file:com.android.launcher2.Workspace.java

/**
 * Returns a new bitmap to be used as the object outline, e.g. to visualize the drop location.
 * Responsibility for the bitmap is transferred to the caller.
 *///from  w ww.  ja v a 2 s.  c  om
private Bitmap createDragOutline(View v, Canvas canvas, int padding) {
    final int outlineColor = getResources().getColor(android.R.color.holo_blue_light);
    final Bitmap b = Bitmap.createBitmap(v.getWidth() + padding, v.getHeight() + padding,
            Bitmap.Config.ARGB_8888);

    canvas.setBitmap(b);
    drawDragView(v, canvas, padding, true);
    mOutlineHelper.applyMediumExpensiveOutlineWithBlur(b, canvas, outlineColor, outlineColor);
    canvas.setBitmap(null);
    return b;
}

From source file:cc.flydev.launcher.Workspace.java

public Bitmap createWidgetBitmap(ItemInfo widgetInfo, View layout) {
    int[] unScaledSize = mLauncher.getWorkspace().estimateItemSize(widgetInfo.spanX, widgetInfo.spanY,
            widgetInfo, false);//from  www  .j  a  va 2  s. co m
    int visibility = layout.getVisibility();
    layout.setVisibility(VISIBLE);

    int width = MeasureSpec.makeMeasureSpec(unScaledSize[0], MeasureSpec.EXACTLY);
    int height = MeasureSpec.makeMeasureSpec(unScaledSize[1], MeasureSpec.EXACTLY);
    Bitmap b = Bitmap.createBitmap(unScaledSize[0], unScaledSize[1], Bitmap.Config.ARGB_8888);
    Canvas c = new Canvas(b);

    layout.measure(width, height);
    layout.layout(0, 0, unScaledSize[0], unScaledSize[1]);
    layout.draw(c);
    c.setBitmap(null);
    layout.setVisibility(visibility);
    return b;
}

From source file:cc.flydev.launcher.Workspace.java

/**
 * Returns a new bitmap to be used as the object outline, e.g. to visualize the drop location.
 * Responsibility for the bitmap is transferred to the caller.
 *///from w w w.  j a  v a2  s .c  o  m
private Bitmap createDragOutline(Bitmap orig, Canvas canvas, int padding, int w, int h, boolean clipAlpha) {
    final int outlineColor = getResources().getColor(R.color.outline_color);
    final Bitmap b = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
    canvas.setBitmap(b);

    Rect src = new Rect(0, 0, orig.getWidth(), orig.getHeight());
    float scaleFactor = Math.min((w - padding) / (float) orig.getWidth(),
            (h - padding) / (float) orig.getHeight());
    int scaledWidth = (int) (scaleFactor * orig.getWidth());
    int scaledHeight = (int) (scaleFactor * orig.getHeight());
    Rect dst = new Rect(0, 0, scaledWidth, scaledHeight);

    // center the image
    dst.offset((w - scaledWidth) / 2, (h - scaledHeight) / 2);

    canvas.drawBitmap(orig, src, dst, null);
    mOutlineHelper.applyMediumExpensiveOutlineWithBlur(b, canvas, outlineColor, outlineColor, clipAlpha);
    canvas.setBitmap(null);

    return b;
}

From source file:cc.flydev.launcher.Workspace.java

/**
 * Returns a new bitmap to be used as the object outline, e.g. to visualize the drop location.
 * Responsibility for the bitmap is transferred to the caller.
 *///from  w w  w.j  a v a  2  s . c  o m
private Bitmap createDragOutline(View v, Canvas canvas, int padding) {
    final int outlineColor = getResources().getColor(R.color.outline_color);
    final Bitmap b = Bitmap.createBitmap(v.getWidth() + padding, v.getHeight() + padding,
            Bitmap.Config.ARGB_8888);

    canvas.setBitmap(b);
    drawDragView(v, canvas, padding, true);
    mOutlineHelper.applyMediumExpensiveOutlineWithBlur(b, canvas, outlineColor, outlineColor);
    canvas.setBitmap(null);
    return b;
}

From source file:com.aidy.launcher3.ui.workspace.Workspace.java

public Bitmap createWidgetBitmap(ItemInfoBean widgetInfo, View layout) {
    int[] unScaledSize = mLauncher.getWorkspace().estimateItemSize(widgetInfo.spanX, widgetInfo.spanY,
            widgetInfo, false);// ww  w  .ja  v a 2  s .  c  om
    int visibility = layout.getVisibility();
    layout.setVisibility(VISIBLE);

    int width = MeasureSpec.makeMeasureSpec(unScaledSize[0], MeasureSpec.EXACTLY);
    int height = MeasureSpec.makeMeasureSpec(unScaledSize[1], MeasureSpec.EXACTLY);
    Bitmap b = Bitmap.createBitmap(unScaledSize[0], unScaledSize[1], Bitmap.Config.ARGB_8888);
    Canvas c = new Canvas(b);

    layout.measure(width, height);
    layout.layout(0, 0, unScaledSize[0], unScaledSize[1]);
    layout.draw(c);
    c.setBitmap(null);
    layout.setVisibility(visibility);
    return b;
}

From source file:cc.flydev.launcher.Workspace.java

/**
 * Returns a new bitmap to show when the given View is being dragged around.
 * Responsibility for the bitmap is transferred to the caller.
 *//* www .ja  v  a  2  s. c  om*/
public Bitmap createDragBitmap(View v, Canvas canvas, int padding) {
    Bitmap b;

    if (v instanceof TextView) {
        Drawable d = ((TextView) v).getCompoundDrawables()[1];
        b = Bitmap.createBitmap(d.getIntrinsicWidth() + padding, d.getIntrinsicHeight() + padding,
                Bitmap.Config.ARGB_8888);
    } else {
        b = Bitmap.createBitmap(v.getWidth() + padding, v.getHeight() + padding, Bitmap.Config.ARGB_8888);
    }

    canvas.setBitmap(b);
    drawDragView(v, canvas, padding, true);
    canvas.setBitmap(null);

    return b;
}