Combine two images in android java

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In this blog we are combine two images and we have two images stored locally on an SD card or drawble folder in android.
Steps:
Read the image from Source InputStream istream = context.getResources().openRawResource(R.drawable.img1); try { image1 = BitmapFactory.decodeStream(istream); istream = context.getResources().openRawResource(R.drawable.img2); image2 = BitmapFactory.decodeStream(istream); } finally { try { istream.close(); } catch (IOException e) { } }
Define the Image property int width = 0, height = 0; if (c.getWidth() > s.getWidth()) { width = c.getWidth(); height = c.getHeight() + s.getHeight(); } else { width = s.getWidth(); height = c.getHeight() + s.getHeight(); }
Create your target Bitmap, Bitmap combinedImages = Bitmap.createBitmap(width * 2, height, Bitmap.Config.ARGB_8888);
Create a Canvas for it, Canvas comboImage = new Canvas(combinedImages); Use Canvas.drawBitmap to blit each source bitmap into your target bitmap comboImage.drawBitmap(image1, 0f, 0f, null); comboImage.drawBitmap(image2, 0f, image1.getHeight()+1, null);
Example: public Bitmap combineImages(Context context, int img1, int img2) { // Bitmap[] mBitmap = new Bitmap[6]; Bitmap image1, image2;
InputStream istream = context.getResources().openRawResource(img1); try { image1 = BitmapFactory.decodeStream(istream); istream = context.getResources().openRawResource(img2); image2 = BitmapFactory.decodeStream(istream); } finally { try { istream.close(); } catch (IOException e) { } } int width = 0, height = 0; if (c.getWidth() > s.getWidth()) { width = c.getWidth(); height = c.getHeight() + s.getHeight(); } else { width = s.getWidth(); height = c.getHeight() + s.getHeight(); } Bitmap combinedImages = null; combinedImages = Bitmap .createBitmap(width * 2, height, Bitmap.Config.ARGB_8888); Canvas comboImage = new Canvas(combinedImages); comboImage.drawBitmap(c, 0f, 0f, null); comboImage.drawBitmap(s, 0f, c.getHeight()+1, null); return cs; }