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 int getAlpha(double level) {
if (colors != null) {
if (level >= 0 && level < colors.length) return colors[(int) level].getAlpha();
}
// else...
final double minLevel = this.minLevel;
final double maxLevel = this.maxLevel;
// these next two also handle the possibility that maxLevel = minLevel
if (level >= maxLevel) return maxColor.getAlpha();
else if (level <= minLevel) return minColor.getAlpha();
else {
// now convert to between 0 and 1
double interval = maxLevel - minLevel;
// finally call the convert() function, then set back to between
// minLevel and maxLevel
level = filterLevel((level - minLevel) / interval) * interval + minLevel;
}
final double interpolation = (level - minLevel) / (maxLevel - minLevel);
// TODO all messed up
final int maxAlpha = alphas[alphas.length - 1]; // this.maxAlpha;
final int minAlpha = alphas[0]; // this.minAlpha;
return (maxAlpha == minAlpha
? minAlpha
: (int) (interpolation * (maxAlpha - minAlpha) + minAlpha));
}
private static String toRGBFunctionCall(Color color) {
StringBuffer sbuf = new StringBuffer();
sbuf.append('#');
String s = Integer.toHexString(color.getRed());
if (s.length() == 1) {
sbuf.append('0');
}
sbuf.append(s);
s = Integer.toHexString(color.getGreen());
if (s.length() == 1) {
sbuf.append('0');
}
sbuf.append(s);
s = Integer.toHexString(color.getBlue());
if (s.length() == 1) {
sbuf.append('0');
}
sbuf.append(s);
if (color.getAlpha() != 255) {
s = Integer.toHexString(color.getAlpha());
if (s.length() == 1) {
sbuf.append('0');
}
sbuf.append(s);
}
return sbuf.toString();
}
private Color tween(Color c1, Color c2, float p) {
return new Color(
(int) (c1.getRed() * (1 - p) + c2.getRed() * (p)),
(int) (c1.getGreen() * (1 - p) + c2.getGreen() * (p)),
(int) (c1.getBlue() * (1 - p) + c2.getBlue() * (p)),
(int) (c1.getAlpha() * (1 - p) + c2.getAlpha() * (p)));
}
public Color evaluate(Color v0, Color v1, float fraction) {
int r = v0.getRed() + (int) ((v1.getRed() - v0.getRed()) * fraction + 0.5f);
int g = v0.getGreen() + (int) ((v1.getGreen() - v0.getGreen()) * fraction + 0.5f);
int b = v0.getBlue() + (int) ((v1.getBlue() - v0.getBlue()) * fraction + 0.5f);
int a = v0.getAlpha() + (int) ((v1.getAlpha() - v0.getAlpha()) * fraction + 0.5f);
Color value = new Color(r, g, b, a);
return value;
}
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();
}
}
public static Color blendcol(Color in, Color bl) {
int f1 = bl.getAlpha();
int f2 = 255 - bl.getAlpha();
return (new Color(
((in.getRed() * f2) + (bl.getRed() * f1)) / 255,
((in.getGreen() * f2) + (bl.getGreen() * f1)) / 255,
((in.getBlue() * f2) + (bl.getBlue() * f1)) / 255,
in.getAlpha()));
}
public static Color contrast(Color col) {
int max = Math.max(col.getRed(), Math.max(col.getGreen(), col.getBlue()));
if (max > 128) {
return (new Color(col.getRed() / 2, col.getGreen() / 2, col.getBlue() / 2, col.getAlpha()));
} else if (max == 0) {
return (Color.WHITE);
} else {
int f = 128 / max;
return (new Color(col.getRed() * f, col.getGreen() * f, col.getBlue() * f, col.getAlpha()));
}
}
/**
* 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();
}
}
private static void configureXYDifferenceRenderer(
FormattedXYDifferenceRenderer renderer,
ValueSource valueSource,
PlotConfiguration plotConfiguration) {
renderer.setBaseToolTipGenerator(new StandardXYToolTipGenerator());
SeriesFormat seriesFormat = valueSource.getSeriesFormat();
DimensionConfig domainConfig = valueSource.getDomainConfig();
DimensionConfig colorDimensionConfig =
plotConfiguration.getDimensionConfig(PlotDimension.COLOR);
DimensionConfig shapeDimensionConfig =
plotConfiguration.getDimensionConfig(PlotDimension.SHAPE);
int seriesCount = 1; // valueSource.getSeriesDataForAllGroupCells().groupCellCount();
// Loop all series and set series format.
// Format based on dimension configs will be set later on in initFormatDelegate().
for (int seriesIdx = 0; seriesIdx < seriesCount; ++seriesIdx) {
// configure linestyle
if (seriesFormat.getLineStyle() == LineStyle.NONE) {
} else {
renderer.setSeriesStroke(seriesIdx, seriesFormat.getStroke(), false);
}
// configure series shape if necessary
if (!SeriesFormat.calculateIndividualFormatForEachItem(domainConfig, shapeDimensionConfig)) {
if (seriesFormat.getItemShape() != ItemShape.NONE) {
renderer.setSeriesShape(seriesIdx, seriesFormat.getItemShape().getShape());
} else {
}
}
// configure series color if necessary
if (!SeriesFormat.calculateIndividualFormatForEachItem(domainConfig, colorDimensionConfig)) {
Color itemColor = seriesFormat.getItemColor();
Color halfTransparentPaint =
DataStructureUtils.setColorAlpha(itemColor, itemColor.getAlpha() / 2);
renderer.setSeriesPaint(0, halfTransparentPaint);
renderer.setSeriesFillPaint(0, halfTransparentPaint);
renderer.setPositivePaint(halfTransparentPaint);
renderer.setNegativePaint(
new Color(
255 - itemColor.getRed(),
255 - itemColor.getGreen(),
255 - itemColor.getBlue(),
itemColor.getAlpha() / 2));
}
renderer.setSeriesOutlinePaint(seriesIdx, PlotConfiguration.DEFAULT_SERIES_OUTLINE_PAINT);
}
}
public static String averageColor(Color c1, Color c2) {
double avgR = c1.getRed() + c2.getRed();
double avgB = c1.getBlue() + c2.getBlue();
double avgG = c1.getGreen() + c2.getGreen();
double avgA = c1.getAlpha() + c2.getAlpha();
return ((int) (avgR / 2)
+ ","
+ (int) (avgG / 2)
+ ","
+ (int) (avgB / 2)
+ ","
+ (int) (avgA / 2));
}
// Grab from screen, edit to work with alpha out of 1
private Color blend(Color colorA, Color colorB, float alpha) {
Color c0 = colorA;
Color c1 = colorB;
// double totalAlpha = c0.getAlpha() + c1.getAlpha();
double weight0 = alpha; // c0.getAlpha() / totalAlpha;
double weight1 = 1 - alpha; // c1.getAlpha() / totalAlpha;
double r = weight0 * c0.getRed() + weight1 * c1.getRed();
double g = weight0 * c0.getGreen() + weight1 * c1.getGreen();
double b = weight0 * c0.getBlue() + weight1 * c1.getBlue();
double a = Math.max(c0.getAlpha(), c1.getAlpha());
return new Color((int) r, (int) g, (int) b, (int) a);
}
public Colors(Color col) {
this(
new Color(
(int) (col.getRed() * defamb[0]),
(int) (col.getGreen() * defamb[1]),
(int) (col.getBlue() * defamb[2]),
col.getAlpha()),
new Color(
(int) (col.getRed() * defdif[0]),
(int) (col.getGreen() * defdif[1]),
(int) (col.getBlue() * defdif[2]),
col.getAlpha()),
new Color(0, 0, 0, 0),
new Color(0, 0, 0, 0),
0);
}
public void paintComponent(Graphics g) {
final Color bg = getBackground();
final Insets insets = getInsets();
if (shouldPaintBg) {
super.paintComponent(g);
if ((bg != null) && (bg.getAlpha() > 0)) {
g.setColor(bg);
g.fillRect(
insets.left,
insets.top,
getWidth() - (insets.left + insets.right),
getHeight() - (insets.top + insets.bottom));
}
if (!clear) {
shouldPaintBg = false;
setOpaque(true);
}
}
if (pen != null) {
if (pen.getAbsCoords()) {
pen.paintIcon(this, g, 0, 0);
} else {
pen.paintIcon(this, g, insets.left, insets.top);
}
}
}
/** Set ARGB control point values to specified index */
public void setARGBControlPoint(int index, Color value) {
alpha.setControlPoint(index, (short) value.getAlpha());
red.setControlPoint(index, (short) value.getRed());
green.setControlPoint(index, (short) value.getGreen());
blue.setControlPoint(index, (short) value.getBlue());
gray.setControlPoint(index, (short) ColorUtil.getGrayMix(value));
}
/**
* Paints a single bar instance.
*
* @param g2 the graphics target.
* @param renderer the renderer.
* @param row the row index.
* @param column the column index.
* @param bar the bar
* @param base indicates which side of the rectangle is the base of the bar.
* @param pegShadow peg the shadow to the base of the bar?
*/
public void paintBarShadow(
Graphics2D g2,
XYBarRenderer renderer,
int row,
int column,
RectangularShape bar,
RectangleEdge base,
boolean pegShadow) {
// handle a special case - if the bar colour has alpha == 0, it is
// invisible so we shouldn't draw any shadow
Paint itemPaint = renderer.getItemPaint(row, column);
if (itemPaint instanceof Color) {
Color c = (Color) itemPaint;
if (c.getAlpha() == 0) {
return;
}
}
RectangularShape shadow =
createShadow(
bar, renderer.getShadowXOffset(), renderer.getShadowYOffset(), base, pegShadow);
g2.setPaint(Color.gray);
g2.fill(shadow);
}
public String getComplementColour(String hexColour) throws JspException {
String output = null;
Integer i = null;
if (hexColour == null || hexColour.equals("")) {
i = 0;
} else {
i = Integer.parseInt(hexColour, 16);
}
int red = (i >> 16);
int green = (i >> 8) & 0xFF;
int blue = i & 0xFF;
float[] hsl;
float alpha;
Color rgb = new Color(red, green, blue);
hsl = fromRGB(rgb);
alpha = rgb.getAlpha() / 255.0f;
float hue = (hsl[0] + 180.0f) % 360.0f;
Color complement = toRGB(hue, hsl[1], hsl[2], 1.0f);
output = rgb2hex(complement.getRed(), complement.getGreen(), complement.getBlue());
return output;
}
/**
* 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();
}
public static ColorRGBA toColorRGBA(Color color) {
float r = color.getRed() / 255f;
float g = color.getGreen() / 255f;
float b = color.getBlue() / 255f;
float a = color.getAlpha() / 255f;
return new ColorRGBA(r, g, b, a);
}
private static Paint createTransparentCheckeredPaint(Color color, int checkerSize) {
int s = checkerSize;
BufferedImage bufferedImage = new BufferedImage(2 * s, 2 * s, BufferedImage.TYPE_INT_ARGB);
Graphics2D g2 = bufferedImage.createGraphics();
g2.setRenderingHint(
RenderingHints.KEY_ANTIALIASING, // Anti-alias!
RenderingHints.VALUE_ANTIALIAS_ON);
Color c1 = DataStructureUtils.setColorAlpha(color, (int) (color.getAlpha() * .8));
Color c2 = DataStructureUtils.setColorAlpha(color, (int) (color.getAlpha() * .2));
g2.setStroke(new BasicStroke(0));
g2.setPaint(c2);
g2.setColor(c2);
g2.fillRect(0, 0, s, s);
g2.fillRect(s, s, s, s);
g2.setPaint(c1);
g2.setColor(c1);
g2.fillRect(0, s, s, s);
g2.fillRect(s, 0, s, s);
// paint with the texturing brush
Rectangle2D rect = new Rectangle2D.Double(0, 0, 2 * s, 2 * s);
return new TexturePaint(bufferedImage, rect);
}
/**
* Remove the specified zone from the zone picker
*
* @param zone the zone to remove
* @return The zone that was removed
*/
public Zone remove(Zone zone) {
Color color = zone.getPickColor();
int pixelColor = color.getAlpha() + (color.getRGB() << 8);
Zone removed = zoneMap.remove(pixelColor);
zone.setPickColor(null);
return removed;
}
protected void applyColor(DrawContext dc, java.awt.Color color, double opacity) {
if (dc.isPickingMode()) return;
double finalOpacity = opacity * (color.getAlpha() / 255.0);
GL2 gl = dc.getGL().getGL2(); // GL initialization checks for GL2 compatibility.
OGLUtil.applyColor(gl, color, finalOpacity, true);
}
public boolean hasChanges() {
if (layerColour.getRed() != model.getRed()
|| layerColour.getGreen() != model.getGreen()
|| layerColour.getBlue() != model.getBlue()
|| ((float) layerColour.getAlpha() / 255f) != model.getOpacity()) return true;
else return false;
}
public int getAlpha() {
if (withTransp) {
return sldTransparency.getValue();
} else {
return color.getAlpha();
}
}
protected ColorRGBA makeColorRGBA(Color color) {
return new ColorRGBA(
color.getRed() / 255f,
color.getGreen() / 255f,
color.getBlue() / 255f,
color.getAlpha() / 255f);
}
/** Encode the 'binary' string into the pixels' r, g and b channels in that order. */
protected void encodeBits() {
writeMessageLength();
char[] chars = message.toCharArray();
int charsWritten = 0;
for (int w = 1; w < width; w++) {
for (int h = 0; h < height; h++) {
if (charsWritten < messageLength) {
char r = chars[charsWritten++];
char g = (charsWritten < messageLength) ? chars[charsWritten++] : '0';
char b = (charsWritten < messageLength) ? chars[charsWritten++] : '0';
Color c = new Color(image.getRGB(w, h));
int red = c.getRed();
int green = c.getGreen();
int blue = c.getBlue();
int alpha = c.getAlpha();
red = setSteganoBit(red, r);
green = setSteganoBit(green, g);
blue = setSteganoBit(blue, b);
Color n = new Color(red, green, blue, alpha);
image.setRGB(w, h, n.getRGB());
}
}
}
}
@Override
public String toString() {
if (value != null)
return "rgb("
+ value.getRed()
+ ","
+ value.getGreen()
+ ","
+ value.getBlue()
+ ") "
+ (value.getAlpha() == 255 ? "" : ((value.getAlpha() * 100) / 255) + "")
+ "%";
else if (keyword != null)
return keyword + (opacity != 255 ? " " + ((100 * opacity + 128) / 255) + "%" : "");
else return "transparent";
}
/**
* Converts a colour dimension to a value that is whitewashed by {@link #BACKGROUND_WHITEWASH}
* degrees.
*/
public static Color whitewash(Color color) {
int red = whitewash(color.getRed());
int green = whitewash(color.getGreen());
int blue = whitewash(color.getBlue());
int alpha = whitewash(color.getAlpha());
return new Color(red, green, blue, alpha);
}
private void glcolor() {
gl.glColor4f(
(float) color.getRed() / 255.0f,
(float) color.getGreen() / 255.0f,
(float) color.getBlue() / 255.0f,
(float) color.getAlpha() / 255.0f);
}
private static Color shadeColor(Color color, double shade) {
return new Color(
(int) (color.getRed() * (1.0 - shade)),
(int) (color.getGreen() * (1.0 - shade)),
(int) (color.getBlue() * (1.0 - shade)),
color.getAlpha());
}