@NotNull
private static Color getMiddleColor(Color fg, Color bg, double factor) {
int red = avg(fg.getRed(), bg.getRed(), factor);
int green = avg(fg.getGreen(), bg.getGreen(), factor);
int blue = avg(fg.getBlue(), bg.getBlue(), factor);
return new Color(red, green, blue);
}
public void save() {
Rectangle rect = this.getBounds();
prefs.putInt(LOCATION_X, rect.x);
prefs.putInt(LOCATION_Y, rect.y);
prefs.putInt(WIDTH, rect.width);
prefs.putInt(HEIGHT, rect.height);
prefs.put(FONTSTYLE, this.myMenu.fontStyle);
prefs.putInt(FONTSIZE, this.myMenu.fontSize);
Color fColor = this.myMenu.fontColor;
fRed = fColor.getRed();
fGreen = fColor.getGreen();
fBlue = fColor.getBlue();
prefs.putInt(FRED, fRed);
prefs.putInt(FGREEN, fGreen);
prefs.putInt(FBLUE, fBlue);
Color color = this.myMenu.getBackground();
bgRed = color.getRed();
bgGreen = color.getGreen();
bgBlue = color.getBlue();
prefs.putInt(BGRED, bgRed);
prefs.putInt(BGGREEN, bgGreen);
prefs.putInt(BGBLUE, bgBlue);
}
private void paintBell(Graphics g) {
P9TermPreferences preferences = P9Term.getPreferences();
if (preferences.getBoolean(P9TermPreferences.VISUAL_BELL) == false) {
return;
}
Color foreground = preferences.getColor(P9TermPreferences.FOREGROUND_COLOR);
if (preferences.getBoolean(P9TermPreferences.FANCY_BELL)) {
// On decent hardware, we can produce a really tasteful effect by compositing a
// semi-transparent rectangle over the terminal.
// We need to choose a color that will show up against the background.
// A reasonable assumption is that the user has already chosen such a color for the
// foreground.
Color color =
new Color(foreground.getRed(), foreground.getGreen(), foreground.getBlue(), 100);
g.setColor(color);
g.fillRect(0, 0, getWidth(), getHeight());
} else {
// On a remote X11 display (or really rubbish hardware) the compositing effect is
// prohibitively expensive, so we offer XOR instead.
Color background = preferences.getColor(P9TermPreferences.BACKGROUND_COLOR);
;
final int R = blend(background.getRed(), foreground.getRed());
final int G = blend(background.getGreen(), foreground.getGreen());
final int B = blend(background.getBlue(), foreground.getBlue());
g.setColor(background);
g.setXORMode(new Color(R, G, B));
g.fillRect(0, 0, getWidth(), getHeight());
g.setPaintMode();
}
}
private static Color[] toColorsForLineMarkers(Color[] baseColors) {
final Color[] colors = new Color[baseColors.length];
final Color tagBackground = Gray._239;
final double transparency = 0.4;
final double factor = 0.8;
for (int i = 0; i < colors.length; i++) {
final Color color = baseColors[i];
if (color == null) {
colors[i] = null;
continue;
}
int r = (int) (color.getRed() * factor);
int g = (int) (color.getGreen() * factor);
int b = (int) (color.getBlue() * factor);
r = (int) (tagBackground.getRed() * (1 - transparency) + r * transparency);
g = (int) (tagBackground.getGreen() * (1 - transparency) + g * transparency);
b = (int) (tagBackground.getBlue() * (1 - transparency) + b * transparency);
colors[i] = new Color(r, g, b);
}
return colors;
}
private static void initColorMap(IntBuffer colorMap, int stepSize, Color... colors) {
for (int n = 0; n < colors.length - 1; n++) {
Color color = colors[n];
int r0 = color.getRed();
int g0 = color.getGreen();
int b0 = color.getBlue();
color = colors[n + 1];
int r1 = color.getRed();
int g1 = color.getGreen();
int b1 = color.getBlue();
int deltaR = r1 - r0;
int deltaG = g1 - g0;
int deltaB = b1 - b0;
for (int step = 0; step < stepSize; step++) {
float alpha = (float) step / (stepSize - 1);
int r = (int) (r0 + alpha * deltaR);
int g = (int) (g0 + alpha * deltaG);
int b = (int) (b0 + alpha * deltaB);
colorMap.put((r << 0) | (g << 8) | (b << 16));
}
}
colorMap.flip();
}
public static void drawGradientRect(
int x, int y, float z, int toX, int toY, Color color, Color colorFade) {
GL11.glDisable(GL11.GL_TEXTURE_2D);
GL11.glEnable(GL11.GL_BLEND);
GL11.glDisable(GL11.GL_ALPHA_TEST);
GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
GL11.glShadeModel(GL11.GL_SMOOTH);
Tessellator tes = Tessellator.getInstance();
VertexBuffer vb = tes.getBuffer();
vb.begin(GL11.GL_QUADS, DefaultVertexFormats.POSITION_COLOR);
vb.pos(toX, y, z)
.color(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha())
.endVertex();
vb.pos(x, y, z)
.color(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha())
.endVertex();
vb.pos(x, toY, z)
.color(colorFade.getRed(), colorFade.getGreen(), colorFade.getBlue(), colorFade.getAlpha())
.endVertex();
vb.pos(toX, toY, z)
.color(colorFade.getRed(), colorFade.getGreen(), colorFade.getBlue(), colorFade.getAlpha())
.endVertex();
tes.draw();
GL11.glShadeModel(GL11.GL_FLAT);
GL11.glDisable(GL11.GL_BLEND);
GL11.glEnable(GL11.GL_ALPHA_TEST);
GL11.glEnable(GL11.GL_TEXTURE_2D);
}
public static Color fadeColors(Color startColor, Color endColor, double fadePosition) {
return Color.getArgbColor(
mixComponent(startColor.getAlpha(), endColor.getAlpha(), fadePosition),
mixComponent(startColor.getRed(), endColor.getRed(), fadePosition),
mixComponent(startColor.getGreen(), endColor.getGreen(), fadePosition),
mixComponent(startColor.getBlue(), endColor.getBlue(), fadePosition));
}
public void fillRect(int x, int y, int width, int height) {
HSSFSimpleShape shape =
escherGroup.createShape(new HSSFChildAnchor(x, y, x + width, y + height));
shape.setShapeType(HSSFSimpleShape.OBJECT_TYPE_RECTANGLE);
shape.setLineStyle(HSSFShape.LINESTYLE_NONE);
shape.setFillColor(foreground.getRed(), foreground.getGreen(), foreground.getBlue());
shape.setLineStyleColor(foreground.getRed(), foreground.getGreen(), foreground.getBlue());
}
private BufferedImage figureOutDrawImage(Sprite[] imgs) {
Sprite img;
if (dead) {
return imgs[5].getBuffer();
}
if (Math.abs((int) (vel.y * 100)) > 0 && !piped) {
img = imgs[1];
} else if (!(movingRight || movingLeft) && vel.x == 0) img = imgs[0];
else {
if (movingRight && vel.x < 0 || movingLeft && vel.x > 0) img = imgs[4];
else {
if (rightFoot) img = imgs[3];
else img = imgs[2];
}
}
if (star && (starTime < 8000 / 15 || System.currentTimeMillis() % 60 > 30)) {
int width = img.getBuffer().getWidth(), height = img.getBuffer().getHeight();
Sprite limg = new Sprite(img.getBuffer());
for (int x = 0; x < width; x++) {
for (int y = 0; y < height; y++) {
Color pixel = limg.getPixel(x, y);
if (pixel.getAlpha() != 0) {
limg.setPixel(
x,
y,
new Color(
255 - pixel.getRed(),
255 - pixel.getGreen(),
255 - pixel.getBlue(),
pixel.getAlpha()));
}
}
}
img = limg;
} else if (metal) {
int width = img.getBuffer().getWidth(), height = img.getBuffer().getHeight();
Sprite limg = new Sprite(img.getBuffer());
for (int x = 0; x < width; x++) {
for (int y = 0; y < height; y++) {
Color pixel = limg.getPixel(x, y);
if (pixel.getAlpha() != 0) {
int gray = (pixel.getRed() + pixel.getBlue() + pixel.getGreen()) / 3;
limg.setPixel(x, y, new Color(gray, gray, gray, pixel.getAlpha()));
}
}
}
img = limg;
}
if (facingRight) {
return img.flipX();
} else {
return img.getBuffer();
}
}
/**
* Fills a (closed) polygon, as defined by a pair of arrays, which hold the <i>x</i> and <i>y</i>
* coordinates.
*
* <p>This draws the polygon, with <code>nPoint</code> line segments. The first <code>
* nPoint - 1</code> line segments are drawn between sequential points (<code>
* xPoints[i],yPoints[i],xPoints[i+1],yPoints[i+1]</code>). The final line segment is a closing
* one, from the last point to the first (assuming they are different).
*
* <p>The area inside of the polygon is defined by using an even-odd fill rule (also known as the
* alternating rule), and the area inside of it is filled.
*
* @param xPoints array of the <code>x</code> coordinates.
* @param yPoints array of the <code>y</code> coordinates.
* @param nPoints the total number of points in the polygon.
* @see java.awt.Graphics#drawPolygon(int[], int[], int)
*/
public void fillPolygon(int xPoints[], int yPoints[], int nPoints) {
int right = findBiggest(xPoints);
int bottom = findBiggest(yPoints);
int left = findSmallest(xPoints);
int top = findSmallest(yPoints);
HSSFPolygon shape = escherGroup.createPolygon(new HSSFChildAnchor(left, top, right, bottom));
shape.setPolygonDrawArea(right - left, bottom - top);
shape.setPoints(addToAll(xPoints, -left), addToAll(yPoints, -top));
shape.setLineStyleColor(foreground.getRed(), foreground.getGreen(), foreground.getBlue());
shape.setFillColor(foreground.getRed(), foreground.getGreen(), foreground.getBlue());
}
/**
* Paints 3 different strokes around a shape to indicate focus. The widest stroke is the most
* transparent, so this achieves a nice "glow" effect.
*
* <p>The catch is that you have to render this underneath the shape, and the shape should be
* filled completely.
*
* @param g the graphics to paint to
* @param shape the shape to outline
* @param pixelSize the number of pixels the outline should cover.
* @param focusColor the color of the focus ring to paint
* @param changeRenderingHints if true then the rendering hints will be modified, if false they
* will be left in tact
*/
public static void paintFocus(
Graphics2D g, Shape shape, int pixelSize, Color focusColor, boolean changeRenderingHints) {
g = (Graphics2D) g.create();
try {
Color[] focusArray =
new Color[] {
new Color(
focusColor.getRed(),
focusColor.getGreen(),
focusColor.getBlue(),
235 * focusColor.getAlpha() / 255),
new Color(
focusColor.getRed(),
focusColor.getGreen(),
focusColor.getBlue(),
130 * focusColor.getAlpha() / 255),
new Color(
focusColor.getRed(),
focusColor.getGreen(),
focusColor.getBlue(),
80 * focusColor.getAlpha() / 255)
};
if (changeRenderingHints) {
if (JVM.usingQuartz) {
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE);
} else {
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g.setRenderingHint(
RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_NORMALIZE);
}
}
g.setStroke(
new BasicStroke(2 * pixelSize + 1, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
g.setColor(focusArray[2]);
g.draw(shape);
if (2 * pixelSize + 1 > 0) {
g.setStroke(
new BasicStroke(2 * pixelSize - 2 + 1, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
g.setColor(focusArray[1]);
g.draw(shape);
}
if (2 * pixelSize - 4 + 1 > 0) {
g.setStroke(
new BasicStroke(2 * pixelSize - 4 + 1, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
g.setColor(focusArray[0]);
g.draw(shape);
}
} finally {
g.dispose();
}
}
/**
* Sets the color of a pixel.
*
* @param x the x-coordinate (column) of the pixel
* @param y the y-coordinate (row) of the pixel
* @param the color of the pixel at the given row and column
*/
public void setColorAt(int x, int y, Color color) {
if (image == null || x < 0 || x >= image.getWidth() || y < 0 || y >= image.getHeight()) {
throw new IndexOutOfBoundsException("(" + x + "," + y + ")");
} else {
if (color.getRed() < 0 || color.getRed() > 255)
throw new IllegalArgumentException("red not between 0 and 255");
if (color.getGreen() < 0 || color.getGreen() > 255)
throw new IllegalArgumentException("green not between 0 and 255");
if (color.getBlue() < 0 || color.getBlue() > 255)
throw new IllegalArgumentException("blue not between 0 and 255");
image.setRGB(x, y, color.getRed() * 65536 + color.getGreen() * 256 + color.getBlue());
Canvas.getInstance().repaint();
}
}
/**
* Sets the selected color of this panel.
*
* <p>If this panel is in RED, GREEN, or BLUE mode, then this method converts these values to RGB
* coordinates and calls <code>setRGB</code>.
*
* <p>This method may regenerate the graphic if necessary.
*
* @param h the hue value of the selected color.
* @param s the saturation value of the selected color.
* @param b the brightness value of the selected color.
*/
public void setHSB(float h, float s, float b) {
if (Float.isInfinite(h) || Float.isNaN(h))
throw new IllegalArgumentException("The hue value (" + h + ") is not a valid number.");
// hue is cyclic, so it can be any value:
while (h < 0) h++;
while (h > 1) h--;
if (s < 0 || s > 1)
throw new IllegalArgumentException("The saturation value (" + s + ") must be between [0,1]");
if (b < 0 || b > 1)
throw new IllegalArgumentException("The brightness value (" + b + ") must be between [0,1]");
if (hue != h || sat != s || bri != b) {
if (mode == ColorPicker.HUE || mode == ColorPicker.BRI || mode == ColorPicker.SAT) {
float lastHue = hue;
float lastBri = bri;
float lastSat = sat;
hue = h;
sat = s;
bri = b;
if (mode == ColorPicker.HUE) {
if (lastHue != hue) {
regenerateImage();
}
} else if (mode == ColorPicker.SAT) {
if (lastSat != sat) {
regenerateImage();
}
} else if (mode == ColorPicker.BRI) {
if (lastBri != bri) {
regenerateImage();
}
}
} else {
Color c = new Color(Color.HSBtoRGB(h, s, b));
setRGB(c.getRed(), c.getGreen(), c.getBlue());
return;
}
Color c = new Color(Color.HSBtoRGB(hue, sat, bri));
red = c.getRed();
green = c.getGreen();
blue = c.getBlue();
regeneratePoint();
repaint();
fireChangeListeners();
}
}
public static Color mix(Color src, Color dst, double factor) {
double fs = factor / 255.0;
double fd = (1.0 - factor) / 255.0;
double r = src.getRed() * fs + dst.getRed() * fd;
double g = src.getGreen() * fs + dst.getGreen() * fd;
double b = src.getBlue() * fs + dst.getBlue() * fd;
int ir = Math.max(0, Math.min(255, (int) Math.round(r * 255)));
int ig = Math.max(0, Math.min(255, (int) Math.round(g * 255)));
int ib = Math.max(0, Math.min(255, (int) Math.round(b * 255)));
return new Color(ir, ig, ib);
}
/**
* Compute a contrasting background color to draw the label's outline.
*
* @param color Label color.
* @return A color that contrasts with {@code color}.
*/
protected Color computeBackgroundColor(Color color) {
float[] colorArray = new float[4];
Color.RGBtoHSB(color.getRed(), color.getGreen(), color.getBlue(), colorArray);
if (colorArray[2] > 0.5) return new Color(0, 0, 0, 0.7f);
else return new Color(1, 1, 1, 0.7f);
}
@NotNull
public static Icon colorize(@NotNull final Icon source, @NotNull Color color, boolean keepGray) {
float[] base = Color.RGBtoHSB(color.getRed(), color.getGreen(), color.getBlue(), null);
final BufferedImage image =
UIUtil.createImage(source.getIconWidth(), source.getIconHeight(), Transparency.TRANSLUCENT);
final Graphics2D g = image.createGraphics();
source.paintIcon(null, g, 0, 0);
g.dispose();
final BufferedImage img =
UIUtil.createImage(source.getIconWidth(), source.getIconHeight(), Transparency.TRANSLUCENT);
int[] rgba = new int[4];
float[] hsb = new float[3];
for (int y = 0; y < image.getRaster().getHeight(); y++) {
for (int x = 0; x < image.getRaster().getWidth(); x++) {
image.getRaster().getPixel(x, y, rgba);
if (rgba[3] != 0) {
Color.RGBtoHSB(rgba[0], rgba[1], rgba[2], hsb);
int rgb = Color.HSBtoRGB(base[0], base[1] * (keepGray ? hsb[1] : 1f), base[2] * hsb[2]);
img.getRaster()
.setPixel(x, y, new int[] {rgb >> 16 & 0xff, rgb >> 8 & 0xff, rgb & 0xff, rgba[3]});
}
}
}
return createImageIcon(img);
}
public void addPlot(String name, int[] data) {
plot_names.add(name);
plot_data.add(data);
int new_max = getMax(plot_data.size() - 1);
if (new_max > MAX_Y) {
MAX_Y = new_max;
}
if (data.length > MAX_X) {
MAX_X = data.length;
}
int i = plot_data.size();
Color c =
new Color(
(i * COLOR_RATIO) % 255,
((i + 2) * COLOR_RATIO) % 255,
((i + 3) * COLOR_RATIO) % 255,
255);
plot_colors.add(c);
for (int j = 0; j < plot_colors.size(); j++) {
Color color = plot_colors.get(j);
Color new_color =
new Color(
color.getRed(), color.getBlue(), color.getGreen(), 127 / plot_colors.size() + 128);
plot_colors.set(j, new_color);
}
}
/**
* Draw labels for picking.
*
* @param dc Current draw context.
* @param pickSupport the PickSupport instance to be used.
*/
protected void doPick(DrawContext dc, PickSupport pickSupport) {
GL gl = dc.getGL();
Angle heading = this.rotation;
double headingDegrees;
if (heading != null) headingDegrees = heading.degrees;
else headingDegrees = 0;
int x = this.screenPoint.x;
int y = this.screenPoint.y;
boolean matrixPushed = false;
try {
if (headingDegrees != 0) {
gl.glPushMatrix();
matrixPushed = true;
gl.glTranslated(x, y, 0);
gl.glRotated(headingDegrees, 0, 0, 1);
gl.glTranslated(-x, -y, 0);
}
for (int i = 0; i < this.lines.length; i++) {
Rectangle2D bounds = this.lineBounds[i];
double width = bounds.getWidth();
double height = bounds.getHeight();
x = this.screenPoint.x;
if (this.textAlign.equals(AVKey.CENTER)) x = x - (int) (width / 2.0);
else if (this.textAlign.equals(AVKey.RIGHT)) x = x - (int) width;
y -= this.lineHeight;
Color color = dc.getUniquePickColor();
int colorCode = color.getRGB();
PickedObject po = new PickedObject(colorCode, this.getPickedObject(), this.position, false);
pickSupport.addPickableObject(po);
// Draw line rectangle
gl.glColor3ub((byte) color.getRed(), (byte) color.getGreen(), (byte) color.getBlue());
try {
gl.glBegin(GL.GL_POLYGON);
gl.glVertex3d(x, y, 0);
gl.glVertex3d(x + width - 1, y, 0);
gl.glVertex3d(x + width - 1, y + height - 1, 0);
gl.glVertex3d(x, y + height - 1, 0);
gl.glVertex3d(x, y, 0);
} finally {
gl.glEnd();
}
y -= this.lineSpacing;
}
} finally {
if (matrixPushed) {
gl.glPopMatrix();
}
}
}
/**
* Computes the combined histogram for a color pixel based on the following formula: RGB_Combined
* = R*0.299 + G*0.587 + B*0.114
*
* @param c the color of a pixel.
* @return the combined value which is computed from R, G and B colors.
*/
private static int computeGrayColor2(Color c) {
int r = c.getRed();
int g = c.getGreen();
int b = c.getBlue();
int gray = (int) ((double) (r * 0.299) + (double) (g * 0.587) + (double) (b * 0.114));
return gray;
}
/**
* Find the color band that this value falls in and assign that color.
*
* @param v
* @param color
*/
private final void absoluteValue(final double v, final int[] color) {
final double search;
switch (scaling) {
case Absolute:
search = v;
break;
case MinMax:
search = (v - min) / (max - min);
break;
case Modulo:
search = v % (max - min);
break;
default:
search = 0;
break;
}
final Map.Entry<Double, Color> lower = floorEntry(search);
Color c;
if (lower == null) {
c = entrySet().iterator().next().getValue();
} else {
c = lower.getValue();
}
color[R] = c.getRed();
color[G] = c.getGreen();
color[B] = c.getBlue();
color[A] = c.getAlpha();
}
/** Patches attributes to be visible under debugger active line */
@SuppressWarnings("UseJBColor")
private static TextAttributes patchAttributesColor(
TextAttributes attributes, TextRange range, Editor editor) {
int line = editor.offsetToLogicalPosition(range.getStartOffset()).line;
for (RangeHighlighter highlighter : editor.getMarkupModel().getAllHighlighters()) {
if (!highlighter.isValid()) continue;
if (highlighter.getTargetArea() == HighlighterTargetArea.LINES_IN_RANGE
&& editor.offsetToLogicalPosition(highlighter.getStartOffset()).line == line) {
TextAttributes textAttributes = highlighter.getTextAttributes();
if (textAttributes != null) {
Color color = textAttributes.getBackgroundColor();
if (color != null
&& color.getBlue() > 128
&& color.getRed() < 128
&& color.getGreen() < 128) {
TextAttributes clone = attributes.clone();
clone.setForegroundColor(Color.orange);
clone.setEffectColor(Color.orange);
return clone;
}
}
}
}
return attributes;
}
public static final Color contrastBW(Color c) {
if ((c.getRed() + c.getGreen() + c.getBlue()) > 200.0) {
return (Color.black);
} else {
return (Color.white);
}
}
/*
* Draws this place.
*/
void paint(Graphics g) {
super.paint(g); // very important, do not forget
Graphics2D g2 = (Graphics2D) g;
int w = this.getSize().width;
int h = this.getSize().height;
int x = this.getPosition().x - (w >> 1);
int y = this.getPosition().y - (h >> 1);
// draw forground
if (this.getAction()) g2.setPaint(this.actionColor);
else if (this.getSelected()) g2.setPaint(this.selectColor);
else if (this.getEmphasized()) g2.setPaint(emphasize_color);
// else g2.setPaint(new GradientPaint(x,y,this.foreground_color,x+w,y+h,Color.white));
else g2.setPaint(Props.PLACE_FILL_COLOR);
if (isMouseOver()) {
Color c = (Color) g2.getPaint();
g2.setPaint(new Color(c.getRed() ^ 0x66, c.getGreen() ^ 0x00, c.getBlue() ^ 0x00));
}
g2.fillOval(x, y, w, h);
// draw background
g2.setPaint(Props.PLACE_BORDER_COLOR);
if (this.getJoined()) {
Stroke oldStroke = g2.getStroke();
g2.setStroke(new BasicStroke(2.5f));
g2.drawOval(x, y, w, h);
g2.setStroke(oldStroke);
} else g2.drawOval(x, y, w, h);
}
public static void main(String[] args) {
int x = 500, y = 80;
DrawingKit dk = new DrawingKit("Daffodils", 800, 800);
BufferedImage pict = dk.loadPicture("daffodils.jpg");
// get pixel value at location (500, 80)
int encodedPixelColor = pict.getRGB(x, y);
Color pixelColor = new Color(encodedPixelColor);
System.out.println(pixelColor);
int red = pixelColor.getRed();
int green = pixelColor.getGreen();
int blue = pixelColor.getBlue();
// change the color of the pixel to be pure red
red = 255;
green = 0;
blue = 0;
// update the pixel color in picture
Color newPixelColor = new Color(red, green, blue);
int newRgbvalue = newPixelColor.getRGB();
pict.setRGB(x, y, newRgbvalue);
// display the approximate location of the pixel
dk.drawPicture(pict, 0, 0);
BasicStroke s = new BasicStroke(3);
dk.setStroke(s);
Ellipse2D.Float e = new Ellipse2D.Float(x - 3, y - 3, 8, 8);
dk.draw(e);
dk.drawString("(600, 150)", x - 3, y - 5);
}
/** Patches attributes to be visible under debugger active line */
@SuppressWarnings("UseJBColor")
public static TextAttributes patchAttributesColor(
TextAttributes attributes, @NotNull TextRange range, @NotNull Editor editor) {
if (attributes.getForegroundColor() == null && attributes.getEffectColor() == null)
return attributes;
MarkupModel model =
DocumentMarkupModel.forDocument(editor.getDocument(), editor.getProject(), false);
if (model != null) {
if (!((MarkupModelEx) model)
.processRangeHighlightersOverlappingWith(
range.getStartOffset(),
range.getEndOffset(),
highlighter -> {
if (highlighter.isValid()
&& highlighter.getTargetArea() == HighlighterTargetArea.LINES_IN_RANGE) {
TextAttributes textAttributes = highlighter.getTextAttributes();
if (textAttributes != null) {
Color color = textAttributes.getBackgroundColor();
return !(color != null
&& color.getBlue() > 128
&& color.getRed() < 128
&& color.getGreen() < 128);
}
}
return true;
})) {
TextAttributes clone = attributes.clone();
clone.setForegroundColor(Color.orange);
clone.setEffectColor(Color.orange);
return clone;
}
}
return attributes;
}
/**
* Computes the combined histogram for a color pixel based on the following formula: RGB_Combined
* = R*0.2126 + G*0.7152 + B*0.0722
*
* @param c the color of a pixel.
* @return the combined value which is computed from R, G and B colors.
*/
private static int computeGrayColor1(Color c) {
int r = c.getRed();
int g = c.getGreen();
int b = c.getBlue();
int gray = (int) ((double) (r * 0.2126) + (double) (g * 0.7152) + (double) (b * 0.0722));
return gray;
}
void lineToArea(ImagePlus imp) {
Roi roi = imp.getRoi();
if (roi == null || !roi.isLine()) {
IJ.error("Line to Area", "Line selection required");
return;
}
Undo.setup(Undo.ROI, imp);
Roi roi2 = null;
if (roi.getType() == Roi.LINE) {
double width = roi.getStrokeWidth();
if (width <= 1.0) roi.setStrokeWidth(1.0000001);
FloatPolygon p = roi.getFloatPolygon();
roi.setStrokeWidth(width);
roi2 = new PolygonRoi(p, Roi.POLYGON);
roi2.setDrawOffset(roi.getDrawOffset());
} else {
ImageProcessor ip2 = new ByteProcessor(imp.getWidth(), imp.getHeight());
ip2.setColor(255);
roi.drawPixels(ip2);
// new ImagePlus("ip2", ip2.duplicate()).show();
ip2.setThreshold(255, 255, ImageProcessor.NO_LUT_UPDATE);
ThresholdToSelection tts = new ThresholdToSelection();
roi2 = tts.convert(ip2);
}
transferProperties(roi, roi2);
roi2.setStrokeWidth(0);
Color c = roi2.getStrokeColor();
if (c != null) // remove any transparency
roi2.setStrokeColor(new Color(c.getRed(), c.getGreen(), c.getBlue()));
imp.setRoi(roi2);
Roi.previousRoi = (Roi) roi.clone();
}
@Override
public void step(Graphics g) {
Color c;
double factor = new Random().nextDouble() * 2;
double factor2 = new Random().nextDouble() * 2;
double factor3 = new Random().nextDouble() * 2;
// blur using averaging algorithm
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
c = new Color(original.getRGB(x, y));
switch (box.getSelectedIndex()) {
case 0:
g.setColor(
new Color(
c.getRed(),
c.getGreen(),
(int) Math.min(Math.round(c.getBlue() * factor), 255)));
break;
case 1:
g.setColor(
new Color(
(int) Math.min(Math.round(c.getRed() * factor), 255),
c.getGreen(),
c.getBlue()));
break;
case 2:
g.setColor(
new Color(
c.getRed(),
(int) Math.min(Math.round(c.getGreen() * factor), 255),
c.getBlue()));
break;
case 3:
g.setColor(
new Color(
(int) Math.min(Math.round(c.getRed() * factor), 255),
(int) Math.min(Math.round(c.getGreen() * factor2), 255),
(int) Math.min(Math.round(c.getBlue() * factor3), 255)));
break;
default:
System.out.println("shouldn't happen");
break;
}
g.drawLine(x, y, x, y);
}
}
}
/**
* Interpolate the color value for the given scalar value. The result is placed in color.
*
* @param v
* @param color
* @return
*/
private final void interpolateValue(final double v, final int[] color) {
final double search;
switch (scaling) {
case Absolute:
search = v;
break;
case MinMax:
search = (v - min) / (max - min);
break;
case Modulo:
search = (v - min) % (max - min);
break;
default:
search = 0;
break;
}
final Map.Entry<Double, Color> lower = floorEntry(search);
final Map.Entry<Double, Color> upper = higherEntry(search);
assert (upper != null || lower != null);
if (upper == null) {
final Color c = lower.getValue();
color[R] = c.getRed();
color[G] = c.getGreen();
color[B] = c.getBlue();
color[A] = c.getAlpha();
} else if (lower == null) {
final Color c = upper.getValue();
color[R] = c.getRed();
color[G] = c.getGreen();
color[B] = c.getBlue();
color[A] = c.getAlpha();
} else {
final double diff = upper.getKey().doubleValue() - lower.getKey().doubleValue();
final double lw = 1.0 - ((search - lower.getKey().doubleValue()) / diff);
final double uw = 1.0 - lw;
final Color lc = lower.getValue();
final Color uc = upper.getValue();
color[R] = (int) Math.round(lc.getRed() * lw + uc.getRed() * uw);
color[G] = (int) Math.round(lc.getGreen() * lw + uc.getGreen() * uw);
color[B] = (int) Math.round(lc.getBlue() * lw + uc.getBlue() * uw);
color[A] = (int) Math.round(lc.getAlpha() * lw + uc.getAlpha() * uw);
}
}
/**
* Sets the fillColor and defines the outline color to be a non-transparent version of the fill
* color
*/
public void setColor(Color fillColor) {
m_fillColor = fillColor;
m_outlineColor =
new Color(
fillColor.getRed() < 255 ? 0.0f : 1.0f,
fillColor.getGreen() < 255 ? 0.0f : 1.0f,
fillColor.getBlue() < 255 ? 0.0f : 1.0f);
}
