org.math.plot.render.AWTDrawer Maven / Gradle / Ivy
/*
* Created on 31 mai 2005 by richet
* Changed on 6/13/2014 by Jerry Dietrich
* Contact info [email protected]
*/
package org.math.plot.render;
import org.math.plot.utils.FastMath;
import java.awt.*;
import java.awt.font.*;
import java.awt.geom.*;
import org.math.plot.canvas.*;
import static java.lang.Math.*;
public abstract class AWTDrawer extends AbstractDrawer {
public Projection projection;
public AWTDrawer(PlotCanvas _canvas) {
super(_canvas);
}
/*
* (non-Javadoc)
*
* @see org.math.plot.render.AbstractDrawer#resetProjection()
*/
public void resetBaseProjection() {
projection.initBaseCoordsProjection(true);
}
/*
* (non-Javadoc)
*
* @see org.math.plot.render.AbstractDrawer#setColor(java.awt.Color)
*/
public void setColor(Color c) {
comp2D.setColor(c);
}
/*
* (non-Javadoc)
*
* @see org.math.plot.render.AbstractDrawer#setGradient
*/
public void setGradient(double[] xy0, Color c0, double[] xy1, Color c1) {
int[] s0 = project(xy0);
int[] s1 = project(xy1);
comp2D.setPaint(new GradientPaint(s0[0], s0[1], c0, s1[0], s1[1], c1));
}
/*
* (non-Javadoc)
*
* @see org.math.plot.render.AbstractDrawer#setFont(java.awt.Font)
*/
public void setFont(Font f) {
comp2D.setFont(f);
}
/*
* (non-Javadoc)
*
* @see org.math.plot.render.AbstractDrawer#getColor()
*/
public Color getColor() {
return comp2D.getColor();
}
/*
* (non-Javadoc)
*
* @see org.math.plot.render.AbstractDrawer#getFont()
*/
public Font getFont() {
return comp2D.getFont();
}
/*
* (non-Javadoc)
*
* @see org.math.plot.render.AbstractDrawer#project(double[])
*/
public int[] project(double... pC) {
return projection.screenProjection(pC);
}
/*
* (non-Javadoc)
*
* @see org.math.plot.render.AbstractDrawer#projectRatio(double[])
*/
public int[] projectBase(double... rC) {
return projection.screenProjectionBase(rC);
}
/*
* (non-Javadoc)
*
* @see org.math.plot.render.AbstractDrawer#translate(int[])
*/
public void translate(int... t) {
projection.translate(t);
}
/*
* (non-Javadoc)
*
* @see org.math.plot.render.AbstractDrawer#dilate(int[], double[])
*/
public void dilate(int[] screenOrigin, double[] screenRatio) {
projection.dilate(screenOrigin, screenRatio);
}
/*
* (non-Javadoc)
*
* @see org.math.plot.render.AbstractDrawer#drawString(java.lang.String,
* double[], double, double, double)
*/
public void drawText(String label, double... pC) {
int[] sC = projection.screenProjection(pC);
// Corner offset adjustment : Text Offset is used Here
FontRenderContext frc = comp2D.getFontRenderContext();
Font font1 = comp2D.getFont();
int x = sC[0];
int y = sC[1];
double w = font1.getStringBounds(label, frc).getWidth();
double h = font1.getSize2D();
x -= (int) (w * text_Eastoffset);
y += (int) (h * text_Northoffset);
int wc = (int) (w * FastMath.cos(text_angle) + h * FastMath.sin(text_angle));
int hc = (int) (h * FastMath.cos(text_angle) + w * FastMath.sin(text_angle));
if (!comp2D.hitClip(x, y, wc, hc)) {
return;
}
if (text_angle != 0) {
comp2D.rotate(text_angle, x + w / 2, y - h / 2);
}
int tmpY = y;
String[] lines = label.split("\n");
for (int i = 0; i < lines.length; i++) {
comp2D.drawString(lines[i], x, tmpY);
tmpY += h;
}
if (text_angle != 0) {
comp2D.rotate(-text_angle, x + w / 2, y - h / 2);
}
}
public void drawShadowedText(String label, float alpha, double... pC) {
int[] sC = projection.screenProjection(pC);
// Corner offset adjustment : Text Offset is used Here
FontRenderContext frc = comp2D.getFontRenderContext();
Font font1 = comp2D.getFont();
int x = sC[0];
int y = sC[1];
double w = font1.getStringBounds(label, frc).getWidth();
double h = font1.getSize2D();
x -= (int) (w * text_Eastoffset);
y += (int) (h * text_Northoffset);
int wc = (int) (w * FastMath.cos(text_angle) + h * FastMath.sin(text_angle));
int hc = (int) (h * FastMath.cos(text_angle) + w * FastMath.sin(text_angle));
if (!comp2D.hitClip(x, y, wc, hc)) {
return;
}
if (text_angle != 0) {
comp2D.rotate(text_angle, x + w / 2, y - h / 2);
}
Composite cs = comp2D.getComposite();
Color c = comp2D.getColor();
String[] lines = label.split("\n");
for (int i = 0; i < lines.length; i++) {
comp2D.setColor(Color.white);
comp2D.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha));
comp2D.fillRect(x, y - (int) h, (int) w, (int) h);
comp2D.setComposite(cs);
comp2D.setColor(c);
comp2D.drawString(lines[i], x, y);
y += h;
}
if (text_angle != 0) {
comp2D.rotate(-text_angle, x + w / 2, y - h / 2);
}
}
/*
* (non-Javadoc)
*
* @see org.math.plot.render.AbstractDrawer#drawStringRatio(java.lang.String,
* double[], double, double, double)
*/
public void drawTextBase(String label, double... rC) {
int[] sC = projection.screenProjectionBase(rC);
// Corner offset adjustment : Text Offset is used Here
FontRenderContext frc = comp2D.getFontRenderContext();
Font font1 = comp2D.getFont();
int x = sC[0];
int y = sC[1];
double w = font1.getStringBounds(label, frc).getWidth();
double h = font1.getSize2D();
x -= (int) (w * text_Eastoffset);
y += (int) (h * text_Northoffset);
int wc = (int) (w * FastMath.cos(text_angle) + h * FastMath.sin(text_angle));
int hc = (int) (h * FastMath.cos(text_angle) + w * FastMath.sin(text_angle));
if (!comp2D.hitClip(x, y, wc, hc)) {
return;
}
if (text_angle != 0) {
comp2D.rotate(text_angle, x + w / 2, y - h / 2);
}
String[] lines = label.split("\n");
for (int i = 0; i < lines.length; i++) {
comp2D.drawString(lines[i], x, y);
y += h;
}
//comp2D.drawString(label, x, y);
if (text_angle != 0) {
comp2D.rotate(-text_angle, x + w / 2, y - h / 2);
}
}
/*
* (non-Javadoc)
*
* @see org.math.plot.render.AbstractDrawer#drawLineRatio(double[],
* double[])
*/
public void drawLineBase(double[]... rC) {
int[][] sC = new int[rC.length][];
for (int i = 0; i < sC.length; i++) {
sC[i] = projection.screenProjectionBase(rC[i]);
}
drawLine(sC);
}
/*
* (non-Javadoc)
*
* @see org.math.plot.render.AbstractDrawer#drawLine(double[], double[])
*/
public void drawLine(double[]... pC) {
int[][] sC = new int[pC.length][];
for (int i = 0; i < sC.length; i++) {
sC[i] = projection.screenProjection(pC[i]);
}
drawLine(sC);
}
private void drawLine(int[]... c) {
int minx = c[0][0], miny = c[0][1], maxx = c[0][0] + 1, maxy = c[0][1] + 1;
int[] x = new int[c.length];
for (int i = 0; i < c.length; i++) {
x[i] = c[i][0];
minx = FastMath.min(minx, x[i]);
maxx = FastMath.max(maxx, x[i]);
}
int[] y = new int[c.length];
for (int i = 0; i < c.length; i++) {
y[i] = c[i][1];
miny = FastMath.min(miny, y[i]);
maxy = FastMath.max(maxy, y[i]);
}
if (comp2D.hitClip(minx, miny, maxx - minx, maxy - miny)) {
Stroke s = null;
switch (line_type) {
case CONTINOUS_LINE:
s = new BasicStroke(line_width, BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND);
break;
case DOTTED_LINE:
s = new BasicStroke(line_width, BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND, 1f, new float[]{2f}, 0f);
break;
}
comp2D.setStroke(s);
comp2D.drawPolyline(x, y, c.length);
}
}
public void drawRoundDot(double... pC) {
int[] sC = projection.screenProjection(pC);
comp2D.fillOval(sC[0] - dot_radius, sC[1] - dot_radius, 2 * dot_radius, 2 * dot_radius);
}
public void drawCrossDot(double... pC) {
int[] sC = projection.screenProjection(pC);
comp2D.drawLine(sC[0] - dot_radius, sC[1] - dot_radius, sC[0] + dot_radius, sC[1] + dot_radius);
comp2D.drawLine(sC[0] + dot_radius, sC[1] - dot_radius, sC[0] - dot_radius, sC[1] + dot_radius);
}
public void drawPatternDot(double... pC) {
int[] sC = projection.screenProjection(pC);
int yoffset = (int) FastMath.ceil(dot_pattern.length / 2.0);
int xoffset = (int) FastMath.ceil(dot_pattern[0].length / 2.0);
for (int i = 0; i < dot_pattern.length; i++) {
for (int j = 0; j < dot_pattern[i].length; j++) {
if (dot_pattern[i][j]) // comp2D.setColor(new Color(getColor())
{
//System.err.println("comp2D.fillRect");
comp2D.fillRect(sC[0] - xoffset + j, sC[1] - yoffset + i, 1, 1);
}
}
}
}
/*
* (non-Javadoc)
*
* @see org.math.plot.render.AbstractDrawer#drawPloygon(double[][])
*/
public void drawPolygon(double[]... pC) {
int[][] c = new int[pC.length][2];
for (int i = 0; i < pC.length; i++) {
c[i] = projection.screenProjection(pC[i]);
}
int minx = c[0][0], miny = c[0][1], maxx = c[0][0] + 1, maxy = c[0][1] + 1;
int[] x = new int[c.length];
for (int i = 0; i < c.length; i++) {
x[i] = c[i][0];
minx = FastMath.min(minx, x[i]);
maxx = FastMath.max(maxx, x[i]);
}
int[] y = new int[c.length];
for (int i = 0; i < c.length; i++) {
y[i] = c[i][1];
miny = FastMath.min(miny, y[i]);
maxy = FastMath.max(maxy, y[i]);
}
if (comp2D.hitClip(minx, miny, maxx - minx, maxy - miny)) {
comp2D.drawPolygon(x, y, c.length);
}
}
/*
* (non-Javadoc)
*
* @see org.math.plot.render.AbstractDrawer#fillPloygon(double[][])
*/
public void fillPolygon(float alpha, double[]... pC) {
int[][] c = new int[pC.length][2];
for (int i = 0; i < pC.length; i++) {
c[i] = projection.screenProjection(pC[i]);
}
int minx = c[0][0], miny = c[0][1], maxx = c[0][0] + 1, maxy = c[0][1] + 1;
int[] x = new int[c.length];
for (int i = 0; i < c.length; i++) {
x[i] = c[i][0];
minx = FastMath.min(minx, x[i]);
maxx = FastMath.max(maxx, x[i]);
}
int[] y = new int[c.length];
for (int i = 0; i < c.length; i++) {
y[i] = c[i][1];
miny = FastMath.min(miny, y[i]);
maxy = FastMath.max(maxy, y[i]);
}
if (comp2D.hitClip(minx, miny, maxx - minx, maxy - miny)) {
Composite cs = comp2D.getComposite();
comp2D.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha));
comp2D.fillPolygon(x, y, c.length);
comp2D.setComposite(cs);
}
}
public void drawImage(Image img, float alpha, double[] _xyzSW, double[] _xyzSE, double[] _xyzNW) {
Composite cs = comp2D.getComposite();
comp2D.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha));
AffineTransform t = getAffineTransform(img.getWidth(canvas), img.getHeight(canvas), _xyzSW, _xyzSE, _xyzNW);
if (t != null) {
comp2D.drawImage(img, t, canvas);
}
comp2D.setComposite(cs);
}
/*public void drawShape(Shape shape, float alpha, double[] _xyzSW, double[] _xyzSE, double[] _xyzNW) {
AffineTransform t = getAffineTransform(shape.getBounds().width,shape.getBounds().height, _xyzSW, _xyzSE, _xyzNW);
Shape t_shape = t.createTransformedShape(shape);
Composite cs = comp2D.getComposite();
comp2D.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha));
comp2D.draw(t_shape);
comp2D.setComposite(cs);
}*/
static boolean isDiff(double[] x, int[] y) {
return abs(x[0] - y[0]) > 1 || abs(x[1] - y[1]) > 1;
}
static double sign(double x) {
if (x != 0) {
return signum(x);
} else {
return 1.0;
}
}
static double sqr(double x) {
return x * x;
}
public AffineTransform getAffineTransform(int width, int height, double[] _xyzSW, double[] _xyzSE, double[] _xyzNW) {
int[] cornerNW = projection.screenProjection(_xyzNW);
int[] cornerSE = projection.screenProjection(_xyzSE);
int[] cornerSW = projection.screenProjection(_xyzSW);
double[] vectWE = {(double) cornerSE[0] - (double) cornerSW[0], (double) cornerSE[1] - (double) cornerSW[1]};
double normvectWE = sqrt(sqr(vectWE[0]) + sqr(vectWE[1]));
double[] vectSN = {(double) cornerNW[0] - (double) cornerSW[0], (double) cornerNW[1] - (double) cornerSW[1]};
double normvectSN = sqrt(sqr(vectSN[0]) + sqr(vectSN[1]));
double angleSW = acos((vectWE[0] * vectSN[0] + vectWE[1] * vectSN[1]) / (normvectWE * normvectSN));
if (angleSW == 0.0) {
return null;
}
AffineTransform t = new AffineTransform();
t.translate(cornerNW[0], cornerNW[1]);
t.scale(sign(vectWE[0]), -sign(vectSN[1]));
t.rotate(-atan(vectSN[0] / vectSN[1]));
t.shear(0, 1 / tan(PI - angleSW));
t.scale(normvectWE * cos(angleSW - PI / 2) / (double) width, normvectSN / (double) height);
double[] _cornerSE_tr = new double[2];
double[] _cornerSE = {width, height};
t.transform(_cornerSE, 0, _cornerSE_tr, 0, 1);
if (isDiff(_cornerSE_tr, cornerSE)) {
double[] vectSE_NW_1 = {(double) cornerNW[0] - (double) cornerSE[0], (double) cornerNW[1] - (double) cornerSE[1]};
double[] vectSE_NW_2 = {(double) cornerNW[0] - (double) _cornerSE_tr[0], (double) cornerNW[1] - (double) _cornerSE_tr[1]};
double normvect_1 = sqrt(sqr(vectSE_NW_1[0]) + sqr(vectSE_NW_1[1]));
double normvect_2 = sqrt(sqr(vectSE_NW_1[0]) + sqr(vectSE_NW_1[1]));
double cos_angle = (((vectSE_NW_1[0] * vectSE_NW_2[0] + vectSE_NW_1[1] * vectSE_NW_2[1]) / (normvect_1 * normvect_2)));
double vect = (vectSE_NW_1[0] * vectSE_NW_2[1] - vectSE_NW_1[1] * vectSE_NW_2[0]);
AffineTransform t2 = new AffineTransform();
if (vect < 0) {
t2.rotate(acos(cos_angle), cornerNW[0], cornerNW[1]);
} else {
t2.rotate(-acos(cos_angle), cornerNW[0], cornerNW[1]);
}
t.preConcatenate(t2);
}
// TODO patch for many cases...
/*double[] _cornerSW_tr = new double[2];
double[] _cornerSW = { 0, img.getHeight(canvas) };
t.transform(_cornerSW, 0, _cornerSW_tr, 0, 1);
if (isDiff(_cornerSW_tr, cornerSW)) {
double[] vectSW_NW_1 = { (double) cornerNW[0] - (double) cornerSW[0], (double) cornerNW[1] - (double) cornerSW[1] };
double[] vectSW_NW_2 = { (double) cornerNW[0] - (double) _cornerSW_tr[0], (double) cornerNW[1] - (double) _cornerSW_tr[1] };
double normvect_1 = sqrt(sqr(vectSW_NW_1[0]) + sqr(vectSW_NW_1[1]));
double normvect_2 = sqrt(sqr(vectSW_NW_1[0]) + sqr(vectSW_NW_1[1]));
double cos_angle = (((vectSW_NW_1[0] * vectSW_NW_2[0] + vectSW_NW_1[1] * vectSW_NW_2[1]) / (normvect_1 * normvect_2)));
double vect = (vectSW_NW_1[0] * vectSW_NW_2[1] - vectSW_NW_1[1] * vectSW_NW_2[0]);
System.out.println(cos_angle + " " + vect + " -> " + toDegrees(acos(cos_angle)));
//System.out.println(" "+vectSE_NW_1[0]+","+vectSE_NW_1[1]+" "+vectSE_NW_2[0]+","+vectSE_NW_2[1]);
AffineTransform t2 = new AffineTransform();
if (vect > 0)
t2.rotate(acos(cos_angle), cornerNW[0], cornerNW[1]);
else
t2.rotate(-acos(cos_angle), cornerNW[0], cornerNW[1]);
t.preConcatenate(t2);
}*/
return t;
}
}
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