How to write a text on an image data
Hello
I am facing a problem where I am suppose to write a particular text string, then tagg it with the ie.write of the image on the image and save it, also when retrieving images, it should show the data written to the image respectively.
Please let me know if you have a response to my query
Kind regards.
You must obtain the graphics object from the bitmap to aid
Graphics g = new Graphics (bitmap);
Now you can paint on the bitmap to aid
g.drawText (text, x, y);
changes made to the graphics object are made directly to the bitmap image (since both speak to eachother)
Tags: BlackBerry Developers
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How to clear the text on the image
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I have a screen with the background image (bitmap). I draw the text and other images on this background to aid graphics object and all looks ok when I show the screen - but only the first time because the next time background image is one containing all these designs on it.
I would like to know if it is possible to erase these drawings, so next time I can use background image to draw top again?
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fBackground = Bitmap.getBitmapResource("background.png") // fGraphics = new Graphics (fBackground ); fvm1 = new VerticalFieldManager() { public void paint(Graphics graphics) { // fGraphics.drawText(fText, 0, 0); graphics.drawBitmap(0, 0, fBackground.getWidth(), fBackground.getHeight(), fBackground, 0, 0); graphics.drawText(fText, 0, 0); // plus any other draws... super.paint(graphics); } }
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However, doing it this way is really strange. You must be something much simpler than a VerticalFieldManager to paint in it (expand, replace its layout() setExtent() correctly and his object to do any painting you need - do not call the super.paint (), it is abstract) or you add fields to it as usual and let the super.paint () do its job.
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