Example usage for android.graphics Canvas drawColor

Introduction

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

Prototype

public void drawColor(@ColorInt int color) 

Source Link

Document

Fill the entire canvas' bitmap (restricted to the current clip) with the specified color, using srcover porterduff mode.

Usage

From source file:Main.java

public static Bitmap getBitmapFromView(View view) {
    Bitmap returnedBitmap = Bitmap.createBitmap(view.getWidth(), view.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(returnedBitmap);
    Drawable bgDrawable = view.getBackground();
    if (bgDrawable != null)
        bgDrawable.draw(canvas);/*from   w  w  w.j  a  va  2s .  c o  m*/
    else
        canvas.drawColor(Color.WHITE);
    view.draw(canvas);
    return returnedBitmap;
}

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From source file:org.michaelevans.etsyblur.utils.Utils.java

public static Bitmap drawViewToBitmap(View view, int color) {
    Bitmap returnedBitmap = Bitmap.createBitmap(view.getWidth(), view.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(returnedBitmap);
    Drawable bgDrawable = view.getBackground();
    if (bgDrawable != null)
        bgDrawable.draw(canvas);//from w  w  w .  jav  a  2  s.co m
    else
        canvas.drawColor(color);
    view.draw(canvas);
    return returnedBitmap;
}

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From source file:cc.softwarefactory.lokki.android.utilities.Utils.java

public static Bitmap getDefaultAvatarInitials(Context context, String text) {

    Log.e(TAG, "getDefaultAvatarInitials");

    String initials = getInitials(text);

    Paint paint = new Paint();
    paint.setStyle(Paint.Style.FILL);
    paint.setColor(Color.WHITE);/*  w  w w .jav  a 2 s .c om*/
    paint.setTextSize(36);
    paint.setStrokeWidth(4);
    paint.setTextAlign(Paint.Align.CENTER);

    Bitmap bm = Bitmap.createBitmap(100, 100, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bm);
    canvas.drawColor(context.getResources().getColor(R.color.material_blue_300));

    int distanceFromBaseline = (int) ((paint.descent() + paint.ascent()) / 2);
    int xPos = (canvas.getWidth() / 2);
    int yPos = (canvas.getHeight() / 2) - distanceFromBaseline;
    canvas.drawText(initials, xPos, yPos, paint);

    return bm;
}

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From source file:eu.trentorise.smartcampus.widget.shortcuts.StackWidgetService.java

public static Bitmap getBackground(int bgcolor) {
    try {/*from   w  w w  .j a v a2 s .  c  o m*/
        Bitmap.Config config = Bitmap.Config.ARGB_8888; // Bitmap.Config.ARGB_8888
        // Bitmap.Config.ARGB_4444
        // to be used as
        // these two config
        // constant supports
        // transparency
        Bitmap bitmap = Bitmap.createBitmap(2, 2, config); // Create a
        // Bitmap

        Canvas canvas = new Canvas(bitmap); // Load the Bitmap to the Canvas
        canvas.drawColor(bgcolor); // Set the color

        return bitmap;
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}

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From source file:Main.java

public static Bitmap getBitmapFromView(View view) {
    //Define a bitmap with the same size as the view
    Bitmap returnedBitmap = Bitmap.createBitmap(view.getWidth(), view.getHeight(), Bitmap.Config.ARGB_8888);
    //Bind a canvas to it
    Canvas canvas = new Canvas(returnedBitmap);
    //Get the view's background
    Drawable bgDrawable = view.getBackground();
    if (bgDrawable != null)
        //has background drawable, then draw it on the canvas
        bgDrawable.draw(canvas);//from w w  w . j  a  v a2  s  .  c  o  m
    else
        //does not have background drawable, then draw white background on the canvas
        canvas.drawColor(Color.WHITE);
    // draw the view on the canvas
    view.draw(canvas);
    //return the bitmap
    return returnedBitmap;
}

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From source file:Main.java

public static Bitmap drawTextToBitmap(Context gContext, String gText, int frontColor, int backColor) {
    Resources resources = gContext.getResources();
    float scale = resources.getDisplayMetrics().density;
    int w = 1536, h = 1280;
    Bitmap.Config conf = Bitmap.Config.ARGB_8888; // see other conf types
    Bitmap bmp = Bitmap.createBitmap(w, h, conf); // this creates a MUTABLE bitmap
    android.graphics.Bitmap.Config bitmapConfig = bmp.getConfig();
    Canvas canvas = new Canvas(bmp);

    // new antialised Paint
    Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    // text color - #3D3D3D
    paint.setColor(frontColor);/*  w  w w  . ja v a 2 s .c  o m*/
    // text size in pixels
    paint.setTextSize((int) (400 * scale));
    // text shadow
    //paint.setShadowLayer(1f, 0f, 1f, Color.WHITE);

    // draw text to the Canvas center
    if (backColor != -1) {
        canvas.drawColor(backColor);
    }
    Rect bounds = new Rect();
    paint.getTextBounds(gText, 0, gText.length(), bounds);
    int x = (bmp.getWidth() - bounds.width()) / 2;
    int y = (bmp.getHeight() + bounds.height()) / 2;
    canvas.drawText(gText, x, y, paint);
    return bmp;
}

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From source file:com.irccloud.android.data.model.Avatar.java

public static Bitmap generateBitmap(String text, int textColor, int bgColor, boolean isDarkTheme, int size,
        boolean round) {
    Bitmap bitmap = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
    if (bitmap != null) {
        Canvas c = new Canvas(bitmap);
        Paint p = new Paint(Paint.ANTI_ALIAS_FLAG);
        p.setStyle(Paint.Style.FILL);

        if (isDarkTheme || !round) {
            p.setColor(bgColor);/*from  w  ww.  j  a  v  a 2 s  . c om*/
            if (round)
                c.drawCircle(size / 2, size / 2, size / 2, p);
            else
                c.drawColor(bgColor);
        } else {
            float[] hsv = new float[3];
            Color.colorToHSV(bgColor, hsv);
            hsv[2] *= 0.8f;
            p.setColor(Color.HSVToColor(hsv));
            c.drawCircle(size / 2, size / 2, (size / 2) - 2, p);
            p.setColor(bgColor);
            c.drawCircle(size / 2, (size / 2) - 2, (size / 2) - 2, p);
        }
        TextPaint tp = new TextPaint(Paint.ANTI_ALIAS_FLAG);
        tp.setTextAlign(Paint.Align.CENTER);
        tp.setTypeface(font);
        tp.setTextSize((int) (size * 0.65));
        tp.setColor(textColor);
        if (isDarkTheme || !round) {
            c.drawText(text, size / 2, (size / 2) - ((tp.descent() + tp.ascent()) / 2), tp);
        } else {
            c.drawText(text, size / 2, (size / 2) - 4 - ((tp.descent() + tp.ascent()) / 2), tp);
        }

        return bitmap;
    } else {
        return null;
    }
}

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From source file:com.brewcrewfoo.performance.util.Helpers.java

public static Bitmap getBackground(int bgcolor) {
    try {//  w  w  w .j  av a  2s  .c  om
        Bitmap.Config config = Bitmap.Config.ARGB_8888;
        Bitmap bitmap = Bitmap.createBitmap(2, 2, config);
        Canvas canvas = new Canvas(bitmap);
        canvas.drawColor(bgcolor);
        return bitmap;
    } catch (Exception e) {
        return null;
    }
}

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From source file:com.bobomee.android.common.util.ScreenUtil.java

/**
 * https://gist.github.com/PrashamTrivedi/809d2541776c8c141d9a
 *///  ww w. ja  va 2 s .co  m
public static Bitmap shotRecyclerView(RecyclerView view) {
    RecyclerView.Adapter adapter = view.getAdapter();
    Bitmap bigBitmap = null;
    if (adapter != null) {
        int size = adapter.getItemCount();
        int height = 0;
        Paint paint = new Paint();
        int iHeight = 0;
        final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);

        // Use 1/8th of the available memory for this memory cache.
        final int cacheSize = maxMemory / 8;
        LruCache<String, Bitmap> bitmaCache = new LruCache<>(cacheSize);
        for (int i = 0; i < size; i++) {
            RecyclerView.ViewHolder holder = adapter.createViewHolder(view, adapter.getItemViewType(i));
            adapter.onBindViewHolder(holder, i);
            holder.itemView.measure(View.MeasureSpec.makeMeasureSpec(view.getWidth(), View.MeasureSpec.EXACTLY),
                    View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED));
            holder.itemView.layout(0, 0, holder.itemView.getMeasuredWidth(),
                    holder.itemView.getMeasuredHeight());
            holder.itemView.setDrawingCacheEnabled(true);
            holder.itemView.buildDrawingCache();
            Bitmap drawingCache = holder.itemView.getDrawingCache();
            if (drawingCache != null) {

                bitmaCache.put(String.valueOf(i), drawingCache);
            }
            height += holder.itemView.getMeasuredHeight();
        }

        bigBitmap = Bitmap.createBitmap(view.getMeasuredWidth(), height, Bitmap.Config.ARGB_8888);
        Canvas bigCanvas = new Canvas(bigBitmap);
        Drawable lBackground = view.getBackground();
        if (lBackground instanceof ColorDrawable) {
            ColorDrawable lColorDrawable = (ColorDrawable) lBackground;
            int lColor = lColorDrawable.getColor();
            bigCanvas.drawColor(lColor);
        }

        for (int i = 0; i < size; i++) {
            Bitmap bitmap = bitmaCache.get(String.valueOf(i));
            bigCanvas.drawBitmap(bitmap, 0f, iHeight, paint);
            iHeight += bitmap.getHeight();
            bitmap.recycle();
        }
    }
    return bigBitmap;
}

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From source file:Main.java

public static Bitmap getColorPreviewBitmap(final Context context, final int color, final boolean border) {
    if (context == null)
        return null;
    final float density = context.getResources().getDisplayMetrics().density;
    final int width = (int) (32 * density), height = (int) (32 * density);

    final Bitmap bm = Bitmap.createBitmap(width, height, Config.ARGB_8888);
    final Canvas canvas = new Canvas(bm);

    final int rectangleSize = (int) (density * 5);
    final int numRectanglesHorizontal = (int) Math.ceil(width / rectangleSize);
    final int numRectanglesVertical = (int) Math.ceil(height / rectangleSize);
    final Rect r = new Rect();
    boolean verticalStartWhite = true;
    for (int i = 0; i <= numRectanglesVertical; i++) {

        boolean isWhite = verticalStartWhite;
        for (int j = 0; j <= numRectanglesHorizontal; j++) {

            r.top = i * rectangleSize;/*from w ww . ja v  a2s. c om*/
            r.left = j * rectangleSize;
            r.bottom = r.top + rectangleSize;
            r.right = r.left + rectangleSize;
            final Paint paint = new Paint();
            paint.setColor(isWhite ? Color.WHITE : Color.GRAY);

            canvas.drawRect(r, paint);

            isWhite = !isWhite;
        }

        verticalStartWhite = !verticalStartWhite;

    }
    canvas.drawColor(color);
    if (border) {
        final Paint paint = new Paint();
        paint.setColor(Color.WHITE);
        paint.setStrokeWidth(1f * density);
        final float[] points = new float[] { 0, 0, width, 0, 0, 0, 0, height, width, 0, width, height, 0,
                height, width, height };
        canvas.drawLines(points, paint);
    }
    return bm;
}

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