/**
* Write the given text string in the current font, left-aligned at (x, y).
*
* @param x the x-coordinate of the text
* @param y the y-coordinate of the text
* @param s the text
*/
public static void textLeft(double x, double y, String s) {
offscreen.setFont(font);
FontMetrics metrics = offscreen.getFontMetrics();
double xs = scaleX(x);
double ys = scaleY(y);
int hs = metrics.getDescent();
offscreen.drawString(s, (float) (xs), (float) (ys + hs));
draw();
}
// From: http://forum.java.sun.com/thread.jspa?threadID=378460&tstart=135
void drawArrow(
Graphics2D g2d,
int xCenter,
int yCenter,
int x,
int y,
float stroke,
BasicStroke drawStroke) {
double aDir = Math.atan2(xCenter - x, yCenter - y);
// Line can be dashed.
g2d.setStroke(drawStroke);
g2d.drawLine(x, y, xCenter, yCenter);
// make the arrow head solid even if dash pattern has been specified
g2d.setStroke(lineStroke);
Polygon tmpPoly = new Polygon();
int i1 = 12 + (int) (stroke * 2);
// make the arrow head the same size regardless of the length length
int i2 = 6 + (int) stroke;
tmpPoly.addPoint(x, y);
tmpPoly.addPoint(x + xCor(i1, aDir + .5), y + yCor(i1, aDir + .5));
tmpPoly.addPoint(x + xCor(i2, aDir), y + yCor(i2, aDir));
tmpPoly.addPoint(x + xCor(i1, aDir - .5), y + yCor(i1, aDir - .5));
tmpPoly.addPoint(x, y); // arrow tip
g2d.drawPolygon(tmpPoly);
// Remove this line to leave arrow head unpainted:
g2d.fillPolygon(tmpPoly);
}
/**
* Draws a double headed arrow with arrow heads of a given width and height.
*
* @param aG the canvas to draw on;
* @param aX1 the starting X position of the arrow;
* @param aY1 the starting Y position of the arrow;
* @param aX2 the ending X position of the arrow;
* @param aY2 the ending Y position of the arrow;
* @param aArrowWidth the total width of the arrow head;
* @param aArrowHeight the total height of the arrow head.
*/
public static final void drawDoubleHeadedArrow(
final Graphics aG,
final int aX1,
final int aY1,
final int aX2,
final int aY2,
final int aArrowWidth,
final int aArrowHeight) {
final Graphics2D g2d = (Graphics2D) aG.create();
final int lineWidth = Math.abs(aX2 - aX1);
final int threshold = (2 * aArrowWidth) + 2;
try {
int x1 = aX1;
int x2 = aX2;
if (lineWidth > threshold) {
drawArrowHead(g2d, aX1, aY1, LEFT_FACING, aArrowWidth, aArrowHeight);
// why x2 needs to be shifted by one pixel is beyond me...
drawArrowHead(g2d, aX2 + 1, aY2, RIGHT_FACING, aArrowWidth, aArrowHeight);
x1 += aArrowWidth - 1;
x2 -= aArrowWidth + 1;
}
g2d.drawLine(x1, aY1, x2, aY2);
} finally {
g2d.dispose();
}
}
public static void saveJPG(Image img, String s) {
BufferedImage bi =
new BufferedImage(img.getWidth(null), img.getHeight(null), BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = bi.createGraphics();
g2.drawImage(img, null, null);
FileOutputStream out = null;
try {
out = new FileOutputStream(s);
} catch (java.io.FileNotFoundException io) {
System.out.println("File Not Found");
}
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam(bi);
param.setQuality(0.5f, false);
encoder.setJPEGEncodeParam(param);
try {
encoder.encode(bi);
out.close();
} catch (java.io.IOException io) {
System.out.println("IOException");
}
}
/**
* Write the given text string in the current font, centered on (x, y) and rotated by the
* specified number of degrees
*
* @param x the center x-coordinate of the text
* @param y the center y-coordinate of the text
* @param s the text
* @param degrees is the number of degrees to rotate counterclockwise
*/
public static void text(double x, double y, String s, double degrees) {
double xs = scaleX(x);
double ys = scaleY(y);
offscreen.rotate(Math.toRadians(-degrees), xs, ys);
text(x, y, s);
offscreen.rotate(Math.toRadians(+degrees), xs, ys);
}
public ArrayList<BufferedImage> Split(BufferedImage orgBilde) throws IOException {
ArrayList<BufferedImage> bilder = new ArrayList<>();
int rader = 3;
int kolonner = 2;
int bildeBit = rader * kolonner;
int splittetBredde = orgBilde.getWidth() / kolonner;
int splittetHøyde = orgBilde.getHeight() / rader;
int count = 0;
BufferedImage imgs[] = new BufferedImage[bildeBit];
for (int x = 0; x < rader; x++) {
for (int y = 0; y < kolonner; y++) {
imgs[count] = new BufferedImage(splittetBredde, splittetHøyde, orgBilde.getType());
Graphics2D gr = imgs[count++].createGraphics();
gr.drawImage(
orgBilde,
0,
0,
splittetBredde,
splittetHøyde,
splittetBredde * y,
splittetHøyde * x,
splittetBredde * y + splittetBredde,
splittetHøyde * x + splittetHøyde,
null);
gr.dispose();
}
}
bilder.addAll(Arrays.asList(imgs));
return bilder;
}
protected void drawImageMosaic(Graphics2D g2) {
// Break the image up into tiles. Draw each
// tile with its own transparency, allowing
// the background to show through to varying
// degrees.
int side = 36;
int width = mImage.getWidth();
int height = mImage.getHeight();
for (int y = 0; y < height; y += side) {
for (int x = 0; x < width; x += side) {
// Calculate an appropriate transparency value.
float xBias = (float) x / (float) width;
float yBias = (float) y / (float) height;
float alpha = 1.0f - Math.abs(xBias - yBias);
g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha));
// Draw the subimage.
int w = Math.min(side, width - x);
int h = Math.min(side, height - y);
BufferedImage tile = mImage.getSubimage(x, y, w, h);
g2.drawImage(tile, x, y, null);
}
}
// Reset the composite.
g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER));
}
/**
* Returns the specified image as icon.
*
* @param name name of icon
* @return icon
*/
public static ImageIcon icon(final String name) {
ImageIcon ii = ICONS.get(name);
if (ii != null) return ii;
Image img;
if (GUIConstants.scale > 1) {
// choose large image or none
final URL url =
GUIConstants.large() ? BaseXImages.class.getResource("/img/" + name + "_32.png") : null;
if (url == null) {
// resize low-res image if no hi-res image exists
img = get(url(name));
final int w = (int) (img.getWidth(null) * GUIConstants.scale);
final int h = (int) (img.getHeight(null) * GUIConstants.scale);
final BufferedImage tmp = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
final Graphics2D g2 = tmp.createGraphics();
g2.setRenderingHint(
RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
g2.drawImage(img, 0, 0, w, h, null);
g2.dispose();
img = tmp;
} else {
img = get(url);
}
} else {
img = get(name);
}
ii = new ImageIcon(img);
ICONS.put(name, ii);
return ii;
}
@Override
public int print(Graphics g, PageFormat pf, int page) throws PrinterException {
if (page > 0) {
return NO_SUCH_PAGE;
}
int i = pf.getOrientation();
// get the size of the page
double pageWidth = pf.getImageableWidth();
double pageHeight = pf.getImageableHeight();
double myWidth = this.getWidth(); // - borderWidth * 2;
double myHeight = this.getHeight(); // - borderWidth * 2;
double scaleX = pageWidth / myWidth;
double scaleY = pageHeight / myHeight;
double minScale = Math.min(scaleX, scaleY);
Graphics2D g2d = (Graphics2D) g;
g2d.translate(pf.getImageableX(), pf.getImageableY());
g2d.scale(minScale, minScale);
drawPlot(g);
return PAGE_EXISTS;
}
/** paint the canvas into a image file of given width and height */
public void writeToImage(String s, int w, int h) {
String ext;
File f;
try {
ext = s.substring(s.lastIndexOf(".") + 1);
f = new File(s);
} catch (Exception e) {
System.out.println(e);
return;
}
if (!ext.equals("jpg") && !ext.equals("png")) {
System.out.println("Cannot write to file: Illegal extension " + ext);
return;
}
boolean opq = true;
if (theOpaque != null) opq = theOpaque;
BufferedImage image = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = image.createGraphics();
g2.setBackground(Color.white);
g2.setPaint(Color.black);
g2.setStroke(new BasicStroke(1));
g2.setRenderingHint(
RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
doBuffer(g2, true, new Rectangle(0, 0, w, h));
try {
ImageIO.write(image, ext, f);
} catch (Exception e) {
System.out.println(e);
}
}
/** [Internal] */
private void paintBackground(Graphics2D g2, Color theBackground) {
Color color1 = g2.getColor();
if (theBackground == null) theBackground = Color.white;
g2.setColor(theBackground);
g2.fillRect(0, 0, 30000, 30000);
g2.setColor(color1);
}
private <T> T scaleImageUsingAffineTransformation(final BufferedImage bufferedImage, T target) {
BufferedImage destinationImage = generateDestinationImage();
Graphics2D graphics2D = destinationImage.createGraphics();
AffineTransform transformation =
AffineTransform.getScaleInstance(
((double) getQualifiedWidth() / bufferedImage.getWidth()),
((double) getQualifiedHeight() / bufferedImage.getHeight()));
graphics2D.drawRenderedImage(bufferedImage, transformation);
graphics2D.addRenderingHints(retrieveRenderingHints());
try {
if (target instanceof File) {
LOGGER.info(String.format(M_TARGET_TYPE_OF, "File"));
ImageIO.write(destinationImage, imageType.toString(), (File) target);
} else if (target instanceof ImageOutputStream) {
LOGGER.info(String.format(M_TARGET_TYPE_OF, "ImageOutputStream"));
ImageIO.write(destinationImage, imageType.toString(), (ImageOutputStream) target);
} else if (target instanceof OutputStream) {
LOGGER.info(String.format(M_TARGET_TYPE_OF, "OutputStream"));
ImageIO.write(destinationImage, imageType.toString(), (OutputStream) target);
} else {
target = null;
}
} catch (IOException e) {
e.printStackTrace();
}
return target;
}
// public void savePDF(){
// Rectangle suggestedPageSize = getITextPageSize(page1.getPageSize());
// Rectangle pageSize = rotatePageIfNecessary(suggestedPageSize);
// //rotate if we need landscape
// Document document = new Document(pageSize);
//
// PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(outputFile));
// document.open();
// Graphics2D graphics = cb.createGraphics(pageSize.getWidth(), pageSize.getHeight());
//
// // call your GTRenderer here
// GTRenderer draw = new StreamingRenderer();
// draw.setMapContent(mapContent);
//
// draw.paint(graphics, outputArea, mapContent.getLayerBounds() );
//
// // cleanup
// graphics.dispose();
//
// //cleanup
// document.close();
// writer.close();
// }
public void saveImage(final MapContent map, final String file, final int imageWidth) {
GTRenderer renderer = new StreamingRenderer();
renderer.setMapContent(map);
Rectangle imageBounds = null;
ReferencedEnvelope mapBounds = null;
try {
mapBounds = map.getMaxBounds();
double heightToWidth = mapBounds.getSpan(1) / mapBounds.getSpan(0);
imageBounds = new Rectangle(0, 0, imageWidth, (int) Math.round(imageWidth * heightToWidth));
} catch (Exception e) {
// failed to access mapContent layers
throw new RuntimeException(e);
}
BufferedImage image =
new BufferedImage(imageBounds.width, imageBounds.height, BufferedImage.TYPE_INT_RGB);
Graphics2D gr = image.createGraphics();
gr.setPaint(Color.WHITE);
gr.fill(imageBounds);
try {
renderer.paint(gr, imageBounds, mapBounds);
File fileToSave = new File(file);
ImageIO.write(image, "jpeg", fileToSave);
} catch (Exception e) {
e.printStackTrace();
}
}
public void draw(node leaf, Graphics2D g, int px, int py) {
int lvl = leaf.getLevel();
double l = lvl;
counts[lvl]++;
double xfraq = counts[lvl] / (spacing[lvl] + 1);
double yfraq = l / depth;
int x = new Double(1600 * xfraq).intValue();
int y = new Double(1200 * yfraq).intValue() + 10;
if (leaf.getAttr() != null) {
g.drawString(leaf.getAttr(), x - 20, y);
}
if (leaf.getCrit() != null) {
g.drawString(leaf.getCrit(), x - 20, y + 10);
}
if (leaf.getResult() != null) {
g.drawString(leaf.getResult(), x - 20, y + 10);
}
g.drawLine(x, y, px, py);
// g.fillRect(x,y,20,20);
ArrayList children = leaf.getChildren();
while (!children.isEmpty()) {
draw((node) children.remove(0), g, x, y);
}
}
/**
* Appends a frame to the current video.
*
* @param image the image to append
* @return true if image successfully appended
*/
protected boolean append(Image image) {
BufferedImage bi;
if (image instanceof BufferedImage) {
bi = (BufferedImage) image;
} else {
bi = new BufferedImage(dim.width, dim.height, BufferedImage.TYPE_INT_RGB);
Graphics2D g = bi.createGraphics();
g.drawImage(image, 0, 0, null);
}
ByteArrayOutputStream out = new ByteArrayOutputStream();
try {
if (!editing) {
videoMedia.beginEdits();
editing = true;
}
ImageIO.write(bi, "png", out); // $NON-NLS-1$
QTHandle handle = new QTHandle(out.toByteArray());
DataRef dataRef = new DataRef(handle, kDataRefFileExtensionTag, "png"); // $NON-NLS-1$
GraphicsImporter importer = new GraphicsImporter(dataRef);
ImageDescription description = importer.getImageDescription();
int duration = (int) (frameDuration * 0.6);
videoMedia.addSample(
handle,
0, // data offset
handle.getSize(),
duration,
description,
1, // number of samples
0); // key frame??
} catch (Exception ex) {
ex.printStackTrace();
return false;
}
return true;
}
void drawLine(Graphics g, DrawObject L) {
if (L == null) {
return;
}
if ((sequencingOn) && (L.sequenceNum != currentSequenceNumDisplay)) {
return;
}
Graphics2D g2 = (Graphics2D) g;
g2.setStroke(L.drawStroke);
int x1 = (int) ((L.x - minX) / (maxX - minX) * (D.width - 2 * inset));
int y1 = (int) ((L.y - minY) / (maxY - minY) * (D.height - 2.0 * inset));
int x2 = (int) ((L.x2 - minX) / (maxX - minX) * (D.width - 2 * inset));
int y2 = (int) ((L.y2 - minY) / (maxY - minY) * (D.height - 2.0 * inset));
if (L.isArrow) {
drawArrow(
(Graphics2D) g,
inset + x1,
D.height - y1 - inset,
inset + x2,
D.height - y2 - inset,
1.0f,
L.drawStroke);
} else {
g.drawLine(inset + x1, D.height - y1 - inset, inset + x2, D.height - y2 - inset);
}
}
// buffered images are just better.
protected static BufferedImage imageToBufferedImage(Image img) {
BufferedImage bi =
new BufferedImage(img.getWidth(null), img.getHeight(null), BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = bi.createGraphics();
g2.drawImage(img, null, null);
return bi;
}
public void paint(Graphics g) {
if (loadflag && (!runflag)) {
g.clearRect(0, 0, 530, 330);
Graphics2D g2D = (Graphics2D) g;
g2D.translate(0, 50); // 设置图像左上角为当前点
g.drawImage(iImage, 0, 0, null); // 画输入图
}
}
private void shadeExt(Graphics2D g2, int r, int g, int b, int a) {
g2.setPaint(new Color(r, g, b, a));
g2.fillRect(0, 0, iw, rect.y); /* _N_ */
g2.fillRect(
rect.x + rect.width + 1, rect.y, iw - rect.x - rect.width - 1, rect.height + 1); /* E */
g2.fillRect(0, rect.y, rect.x, rect.height + 1); /* W */
g2.fillRect(0, rect.y + rect.height + 1, iw, ih - rect.y - rect.height - 1); /* _S_ */
}
public static BufferedImage convertToARGB(BufferedImage image) {
BufferedImage newImage =
new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_INT_ARGB);
Graphics2D g = newImage.createGraphics();
g.drawImage(image, 0, 0, null);
g.dispose();
return newImage;
}
public static BufferedImage resize(BufferedImage image, int width, int height) {
BufferedImage bi = new BufferedImage(width, height, BufferedImage.TRANSLUCENT);
Graphics2D g2d = (Graphics2D) bi.createGraphics();
g2d.addRenderingHints(
new RenderingHints(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY));
g2d.drawImage(image, 0, 0, width, height, null);
g2d.dispose();
return bi;
}
public void plot(Color c, int x0, int y0, int z0) {
Graphics2D g = bi.createGraphics();
g.setColor(c);
if (x0 >= XRES || y0 >= YRES || x0 < 0 || y0 < 0) return;
if (z0 > zbuffer[x0][y0]) {
g.drawLine(x0, y0, x0, y0);
zbuffer[x0][y0] = z0;
}
}
// initialize default image
private BufferedImage getDefaultImage(int w, int h) {
BufferedImage defaultImage = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
Graphics2D graphics2D = defaultImage.createGraphics();
graphics2D.setColor(new Color(200, 200, 200));
graphics2D.fillRect(0, 0, w, h);
graphics2D.setColor(new Color(130, 130, 130));
graphics2D.drawRect(0, 0, w - 1, h - 1);
return defaultImage;
}
@SuppressWarnings("unchecked")
private <T> T scaleImageUsingGraphics2D(final BufferedImage bufferedImage, T target) {
BufferedImage destinationImage = generateDestinationImage();
Graphics2D graphics2D = destinationImage.createGraphics();
graphics2D.addRenderingHints(retrieveRenderingHints());
graphics2D.drawImage(bufferedImage, O_X, O_Y, getQualifiedWidth(), getQualifiedHeight(), null);
graphics2D.dispose();
target = (T) destinationImage;
return target;
}
private void drawSnake(Graphics2D g) {
g.setColor(panel.getColor());
for (BodyPart bodyPart : snake.getBody()) {
g.fillRect(
bodyPart.getX() * CELL_SIZE - CELL_SIZE,
game.getScreenSize().height - (bodyPart.getY() * CELL_SIZE),
CELL_SIZE,
CELL_SIZE);
}
}
public void paint(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
// Turn on antialiasing.
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
drawBackground(g2);
drawImageMosaic(g2);
drawText(g2);
}
/**
* Method to load the buffered image with the passed image
*
* @param image the image to use
*/
public void load(Image image) {
// get a graphics context to use to draw on the buffered image
Graphics2D graphics2d = bufferedImage.createGraphics();
// draw the image on the buffered image starting at 0,0
graphics2d.drawImage(image, 0, 0, null);
// show the new image
show();
}
/**
* Render the View to the given graphic context. This implementation render the interior first,
* then the outline.
*/
public void paint(Graphics2D g, Rectangle2D a) {
if (!a.intersects(getBounds())) return;
if (image != null) { // paint bitmap
g.drawImage(image, text2ModelTr, null);
// debug:
g.setPaint(Color.red);
g.draw(this.bounds);
super.paint(g, a); // possibly paint framebox if non-null
} else { // paint textlayout
super.paint(g, a); // possibly paint framebox if non-null
AffineTransform oldAT = g.getTransform();
// paint text in black
g.setPaint(Color.black);
// from now on, we work in Y-direct (<0) coordinates to avoid inextricable problems with font
// being mirrored...
g.transform(text2ModelTr); // also include rotation
textLayout.draw(g, 0.0f, 0.0f);
// [pending] ajouter un cadre si areDimensionsComputed (wysiwyg du pauvre)
// get back to previous transform
g.setTransform(oldAT);
if (DEBUG) {
g.setPaint(Color.red);
g.draw(bounds);
}
}
}
public void paint(Graphics g) {
gRef = (Graphics2D) g;
// change size of font
gRef.setFont(gRef.getFont().deriveFont(9.0f));
fmRef = g.getFontMetrics();
// Clear background
if (Preferences.monochrome) {
gRef.setColor(Preferences.whiteColor);
} else {
gRef.setColor(Preferences.backgroundColor);
}
gRef.fillRect(0, 0, getWidth(), getHeight());
// set colour to correct drawing colour
if (Preferences.monochrome) {
gRef.setColor(Preferences.blackColor);
} else {
gRef.setColor(Preferences.penColor);
}
gRef.translate(0, margin);
// Call c code to draw tree
gRef.scale(scale, scale);
nativeDrawTree();
}
@Override
public BufferedImage makeIcon(
final int width, final int height, final Path2D iconShape, final boolean allowAlpha) {
final BufferedImage result = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
final Graphics2D g = result.createGraphics();
g.setStroke(new BasicStroke(0.05f));
final Color c;
if (allowAlpha) {
c =
new Color(
this.color.getRed(),
this.color.getGreen(),
this.color.getBlue(),
this.color.getAlpha());
} else {
c = new Color(this.color.getRGB());
}
if (iconShape != null) {
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g.setRenderingHint(
RenderingHints.KEY_ALPHA_INTERPOLATION, RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
g.setColor(c);
final Shape path = makeTransformedPathForSize(width, height, iconShape);
g.fill(path);
} else {
g.setColor(c);
g.fillRect(0, 0, width, height);
}
g.dispose();
return result;
}