Cutting Out Images in Text Shape
In this programming puzzle, we strive to extract an image into the form of text present in a separate image.
Consider a cat photo and a text "Cat," both given as images. The goal is to create a new image where the cat's silhouette matches the shape of the "Cat" text, while maintaining a transparent background.
To achieve this, we leverage Java's graphics capabilities. First, we read in both images. Next, we create a new image with the same dimensions as the original cat photo and draw the "Cat" text onto it. To create the cutout effect, we utilize the Graphics2D class to define a clipping shape based on the text outline. This effectively masks the cat image, revealing only the areas that align with the text silhouette.
Finally, we render the trimmed image by drawing the masked cat image and outlining the text. The resulting image exhibits the cat's silhouette perfectly matching the "Cat" text shape, with both images having transparent backgrounds.
The code snippet below demonstrates the implementation of this image processing solution:
import java.awt.*; import java.awt.font.*; import java.awt.image.BufferedImage; import java.awt.geom.Rectangle2D; import javax.imageio.ImageIO; import java.net.URL; import java.io.File; class PictureText { public static void main(String[] args) throws Exception { URL catUrl = new URL("https://i.sstatic.net/Nqf3H.jpg"); URL textUrl = new URL("https://i.sstatic.net/EUtiX.png"); BufferedImage catImage = ImageIO.read(catUrl); BufferedImage textImage = ImageIO.read(textUrl); int width = catImage.getWidth(); int height = catImage.getHeight(); BufferedImage cutoutImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); Graphics2D g = cutoutImage.createGraphics(); g.drawImage(catImage, 0, 0, null); FontRenderContext frc = g.getFontRenderContext(); Font font = new Font(Font.SANS_SERIF, Font.BOLD, 250); GlyphVector gv = font.createGlyphVector(frc, "Cat"); Rectangle2D box = gv.getVisualBounds(); int xOffset = 25 + (int) -box.getX(); int yOffset = 80 + (int) -box.getY(); Shape shape = gv.getOutline(xOffset, yOffset); g.setClip(shape); g.drawImage(catImage, 0, 0, null); g.setClip(null); g.setStroke(new BasicStroke(2f)); g.setColor(Color.BLACK); g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); g.draw(shape); g.dispose(); File outputFile = new File("cutout-image.png"); ImageIO.write(cutoutImage, "png", outputFile); Desktop.getDesktop().open(outputFile); } }
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