Java Utililty Methods Draw Image

List of utility methods to do Draw Image

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Draw Image

Description

The list of methods to do Draw Image are organized into topic(s).

Method

void draw(BufferedImage image, Consumer action)
Draw onto an image

Graphics2D g = image.createGraphics();
try {
 action.accept(g);
} finally {
 g.dispose();

void draw(BufferedImage image, Rectangle rectangle, BufferedImage backgroundImg)
draw

Graphics2D g = backgroundImg.createGraphics();
if (rectangle == null) {
 g.drawImage(image, 0, 0, null);
} else {
 g.drawImage(image, rectangle.x, rectangle.y, null);
g.dispose();

BufferedImage draw(final Image img, final int type)
draw

final BufferedImage imgCopy = new BufferedImage(img.getWidth(null), img.getHeight(null), type);
imgCopy.createGraphics().drawImage(img, 0, 0, null);
return imgCopy;

void draw4on1(BufferedImage[] src, BufferedImage dst)
drawon

Graphics2D g2 = dst.createGraphics();
g2.setColor(java.awt.Color.WHITE);
g2.fillRect(0, 0, dst.getWidth(), dst.getHeight());
int dxi;
int dyi = 0;
int x0 = dst.getWidth() - 5;
int y0 = 5;
int x = x0;
...

void draw9Patch(BufferedImage image, Integer[] patches, float ratio)
draw Patch

int width = image.getWidth();
int height = image.getHeight();
int wStart = (int) (patches[0] * ratio) + 1; 
int wEnd = (int) (width - patches[1] * ratio) - 1;
int hStart = (int) (patches[2] * ratio) + 1; 
int hEnd = (int) (height - patches[3] * ratio) - 1;
for (int i = wStart; i < wEnd; i++) {
 image.setRGB(i, 0, 0xFF000000);
...

void drawBorder(BufferedImage buffImage)
draws a black border around the image

Graphics2D g2D = buffImage.createGraphics();
int width = buffImage.getWidth();
int height = buffImage.getHeight();
g2D.setColor(Color.BLACK);
g2D.drawLine(0, height - 1, width - 1, height - 1);
g2D.drawLine(width - 1, 0, width - 1, height - 1);
g2D.drawLine(0, 0, width - 1, 0);
g2D.drawLine(0, 0, 0, height - 1);
...

BufferedImage drawBorder(BufferedImage originalImage, Color borderColor, int borderWidth)
draw Border

BufferedImage bi = new BufferedImage(originalImage.getWidth() + (2 * borderWidth),
 originalImage.getHeight() + (2 * borderWidth), BufferedImage.TYPE_INT_ARGB);
Graphics2D g = bi.createGraphics();
g.setColor(borderColor);
g.drawImage(originalImage, borderWidth, borderWidth, null);
BasicStroke stroke = new BasicStroke(borderWidth * 2);
g.setStroke(stroke);
g.drawRect(0, 0, bi.getWidth(), bi.getHeight());
...

void drawBorders(final BufferedImage image, final int currentX, final int currentY, final int width, final int height, final int subImageWidth, final int subImageHeight, final Color c)
Colors the borders of a certain rectangle.

int x, y;
for (int a = 0; a < subImageWidth; a++) {
 x = currentX * width + a;
 y = currentY * height;
 colorPixel(image, x, y, c);
 y = currentY * height + subImageHeight - 1;
 colorPixel(image, x, y, c);
for (int b = 1; b < subImageHeight - 1; b++) {
 x = currentX * width;
 y = currentY * height + b;
 colorPixel(image, x, y, c);
 x = currentX * width + subImageWidth - 1;
 colorPixel(image, x, y, c);

BufferedImage drawBoundingPolygon(BufferedImage canvas, Polygon p, Color fgColour)
draw Bounding Polygon

Graphics2D g2d = canvas.createGraphics();
g2d.setColor(fgColour);
g2d.drawPolygon(p);
return canvas;

void drawBubble(BufferedImage img, Graphics g, Component component)
draw Bubble

g.drawImage(img.getSubimage(0, 0, 31, 31), 0, 0, 14, 14, null);
g.drawImage(img.getSubimage(31, 0, 10, 31), 14, 0, component.getWidth() - 14 - 14, 14, null);
g.drawImage(img.getSubimage(img.getWidth() - 31, 0, 31, 31), component.getWidth() - 14, 0, 14, 14, null);
g.drawImage(img.getSubimage(0, 31, 31, img.getHeight() - 31 - 25), 0, 14, 14,
 component.getHeight() - 14 - 14, null);
g.drawImage(img.getSubimage(31, 31, 5, img.getHeight() - 31 - 25), 14, 14, component.getWidth() - 14 - 14,
 component.getHeight() - 14 - 14, null);
g.drawImage(img.getSubimage(img.getWidth() - 25, 31, 25, img.getHeight() - 31 - 25),
...