Example usage for android.graphics Paint Paint

Introduction

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

Prototype

public Paint() 

Source Link

Document

Create a new paint with default settings.

Usage

From source file:Main.java

public static Bitmap drawTextToBitmap(Bitmap bitmap, String gText) {
    OutputStream outStream = null;
    Bitmap.Config bitmapConfig = bitmap.getConfig();
    // set default bitmap config if none
    if (bitmapConfig == null) {
        bitmapConfig = Bitmap.Config.ARGB_8888;
    }/*from  w  w w  . j a  v  a2s .c  o m*/
    String dataPath = Environment.getExternalStorageDirectory().toString() + "/SignChat/Temp/temp" + "0"
            + pictureNum + ".jpg";

    try {

        FileOutputStream out = new FileOutputStream(dataPath);

        // NEWLY ADDED CODE STARTS HERE [
        Canvas canvas = new Canvas(bitmap);

        Paint paint = new Paint();
        paint.setColor(Color.WHITE); // Text Color
        paint.setStrokeWidth(12); // Text Size
        paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_OVER)); // Text
        // Overlapping
        // Pattern
        // some more settings...

        canvas.drawBitmap(bitmap, 0, 0, paint);
        canvas.drawText("Testing...", 10, 10, paint);
        // NEWLY ADDED CODE ENDS HERE ]

        bitmap.compress(CompressFormat.JPEG, 90, out);
        out.flush();
        out.close();

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

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From source file:Main.java

public static void drawFPS(Canvas canvas, String text) {
    if (PAINT_FPS == null) {
        PAINT_FPS = new Paint();
        PAINT_FPS.setColor(Color.RED);
        PAINT_FPS.setTextSize(30);/*  ww  w  .  j  a v  a 2s  .  c  o  m*/
    }
    int top = canvas.getHeight() - 50;

    clearCanvas(canvas, 10, top - 50, (int) (PAINT_FPS.measureText(text) + 20), canvas.getHeight());
    canvas.drawText(text, 10, top, PAINT_FPS);
}

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From source file:Main.java

static public void setImageColor(ImageView view, Bitmap sourceBitmap, int rgbcolor)// ,Bitmap sourceBitmap)
{
    if (sourceBitmap != null) {
        float R = Color.red(rgbcolor);
        float G = Color.green(rgbcolor);
        float B = Color.blue(rgbcolor);

        Log.v("R:G:B", R + ":" + G + ":" + B); //

        float[] colorTransform = { R / 255f, 0, 0, 0, 0, // R color
                0, G / 255f, 0, 0, 0 // G color
                , 0, 0, B / 255f, 0, 0 // B color
                , 0, 0, 0, 1f, 0f };// ww  w  .j a  v  a2  s .c  o m

        ColorMatrix colorMatrix = new ColorMatrix();
        colorMatrix.setSaturation(0f); // Remove Colour

        colorMatrix.set(colorTransform);
        ColorMatrixColorFilter colorFilter = new ColorMatrixColorFilter(colorMatrix);
        Paint paint = new Paint();
        paint.setColorFilter(colorFilter);

        Bitmap mutableBitmap = sourceBitmap.copy(Bitmap.Config.ARGB_8888, true);
        view.setImageBitmap(mutableBitmap);
        Canvas canvas = new Canvas(mutableBitmap);
        canvas.drawBitmap(mutableBitmap, 0, 0, paint);

    }
}

---

From source file:Main.java

public static Bitmap getRounded(Bitmap bm, int cornerRadiusPx) {
    int w = bm.getWidth();
    int h = bm.getHeight();

    Bitmap bmOut = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bmOut);

    Paint paint = new Paint();
    paint.setAntiAlias(true);//  ww w . j  ava 2s  . c  om
    paint.setColor(0xff424242);

    Rect rect = new Rect(0, 0, w, h);
    RectF rectF = new RectF(rect);

    canvas.drawARGB(0, 0, 0, 0);
    canvas.drawRoundRect(rectF, cornerRadiusPx, cornerRadiusPx, paint);

    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
    canvas.drawBitmap(bm, rect, rect, paint);

    return bmOut;
}

---

From source file:Main.java

private static Drawable getMoreSuggestionsHint(final Resources res, final float textSize, final int color) {
    final Paint paint = new Paint();
    paint.setAntiAlias(true);// ww w  . jav  a 2  s .co  m
    paint.setTextAlign(Align.CENTER);
    paint.setTextSize(textSize);
    paint.setColor(color);
    final Rect bounds = new Rect();
    paint.getTextBounds(MORE_SUGGESTIONS_HINT, 0, MORE_SUGGESTIONS_HINT.length(), bounds);
    final int width = Math.round(bounds.width() + 0.5f);
    final int height = Math.round(bounds.height() + 0.5f);
    final Bitmap buffer = Bitmap.createBitmap(width, (height * 3 / 2), Bitmap.Config.ARGB_8888);
    final Canvas canvas = new Canvas(buffer);
    canvas.drawText(MORE_SUGGESTIONS_HINT, width / 2, height, paint);
    return new BitmapDrawable(res, buffer);
}

---

From source file:Main.java

public static Bitmap toGrayscale(Bitmap bmpOriginal) {
    int width, height;
    height = bmpOriginal.getHeight();/*  w w  w . jav a2s.  c  o  m*/
    width = bmpOriginal.getWidth();
    try {
        Bitmap bmpGrayscale = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
        Canvas c = new Canvas(bmpGrayscale);
        Paint paint = new Paint();
        ColorMatrix cm = new ColorMatrix();
        cm.setSaturation(0);
        ColorMatrixColorFilter f = new ColorMatrixColorFilter(cm);
        paint.setColorFilter(f);
        c.drawBitmap(bmpOriginal, 0, 0, paint);
        return bmpGrayscale;
    } catch (OutOfMemoryError e) {
        return bmpOriginal;
    }
}

---

From source file:Main.java

private static Drawable getMoreSuggestionsHint(final Resources res, final float textSize, final int color) {
    final Paint paint = new Paint();
    paint.setAntiAlias(true);/*w  ww. java  2 s .com*/
    paint.setTextAlign(Align.CENTER);
    paint.setTextSize(textSize);
    paint.setColor(color);
    final Rect bounds = new Rect();
    paint.getTextBounds(MORE_SUGGESTIONS_HINT, 0, MORE_SUGGESTIONS_HINT.length(), bounds);
    final int width = Math.round(bounds.width() + 0.5f);
    final int height = Math.round(bounds.height() + 0.5f);
    final Bitmap buffer = Bitmap.createBitmap(width, (height * 3 / 2), Bitmap.Config.ARGB_8888);
    final Canvas canvas = new Canvas(buffer);
    canvas.drawText(MORE_SUGGESTIONS_HINT, width / 2, height, paint);
    BitmapDrawable bitmapDrawable = new BitmapDrawable(res, buffer);
    bitmapDrawable.setTargetDensity(canvas);
    return bitmapDrawable;
}

---

From source file:Main.java

public static Bitmap createReflectImages(Bitmap bImap) {
    if (null == bImap) {
        return null;
    }/* ww w .  j a  v  a2  s.  co m*/

    final int reflectionGap = 4;
    int width = bImap.getWidth();
    int height = bImap.getHeight();

    Bitmap bitmapWithReflection = null;
    try {
        Matrix matrix = new Matrix();
        matrix.preScale(1, -1);
        Bitmap reflectionImage = Bitmap.createBitmap(bImap, 0, height / 2, width, height / 2, matrix, false);
        bitmapWithReflection = Bitmap.createBitmap(width, (height + height / 2), Config.ARGB_8888);
        Canvas canvas = new Canvas(bitmapWithReflection);
        canvas.drawBitmap(bImap, 0, 0, null);
        Paint deafaultPaint = new Paint();
        canvas.drawRect(0, height, width, height + reflectionGap, deafaultPaint);
        canvas.drawBitmap(reflectionImage, 0, height + reflectionGap, null);
        Paint paint = new Paint();
        LinearGradient shader = new LinearGradient(0, bImap.getHeight(), 0,
                bitmapWithReflection.getHeight() + reflectionGap, 0x80ffffff, 0x00ffffff, TileMode.CLAMP);
        paint.setShader(shader);
        paint.setXfermode(new PorterDuffXfermode(Mode.DST_IN));
        canvas.drawRect(0, height, width, bitmapWithReflection.getHeight() + reflectionGap, paint);
    } catch (OutOfMemoryError e) {
    }

    return bitmapWithReflection;
}

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From source file:Main.java

public static Bitmap drawViewToBitmap(View view, int width, int height, float translateX, float translateY,
        int downSampling, String color) {
    float scale = 1f / downSampling;
    int bmpWidth = (int) (width * scale - translateX / downSampling);
    int bmpHeight = (int) (height * scale - translateY / downSampling);
    Bitmap dest = Bitmap.createBitmap(bmpWidth, bmpHeight, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(dest);
    canvas.translate(-translateX / downSampling, -translateY / downSampling);
    if (downSampling > 1) {
        canvas.scale(scale, scale);//from   www  .jav a 2 s  . com
    }
    Paint paint = new Paint();
    paint.setFlags(Paint.FILTER_BITMAP_FLAG | Paint.ANTI_ALIAS_FLAG);
    PorterDuffColorFilter filter = new PorterDuffColorFilter(Color.parseColor(color), PorterDuff.Mode.SRC_ATOP);
    paint.setColorFilter(filter);
    view.buildDrawingCache();
    Bitmap cache = view.getDrawingCache();
    canvas.drawBitmap(cache, 0, 0, paint);
    cache.recycle();
    view.destroyDrawingCache();

    return dest;
}

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From source file:Main.java

private static Bitmap toGrayscale(Bitmap bmpOriginal) {
    int width, height;
    height = bmpOriginal.getHeight();/*from w w  w.  j ava 2 s.co m*/
    width = bmpOriginal.getWidth();

    Bitmap bmpGrayscale = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    Canvas c = new Canvas(bmpGrayscale);
    Paint paint = new Paint();
    ColorMatrix cm = new ColorMatrix();
    cm.setSaturation(0);

    ColorMatrixColorFilter f = new ColorMatrixColorFilter(cm);
    paint.setColorFilter(f);
    c.drawBitmap(bmpOriginal, 0, 0, paint);
    return bmpGrayscale;
}

---

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