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Axis label draw parallel with axis line

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This commit is contained in:
wyq 2019-09-19 10:51:47 +08:00
parent f49973cb4f
commit fc59cdb39a
1 changed files with 99 additions and 17 deletions
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116
MeteoInfoLib/src/main/java/org/meteoinfo/chart/jogl/Plot3DGL.java
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@ -50,6 +50,7 @@ import org.meteoinfo.legend.LegendType;
import org.meteoinfo.legend.PointBreak;
import org.meteoinfo.legend.PolygonBreak;
import org.meteoinfo.legend.PolylineBreak;
import org.meteoinfo.math.meteo.MeteoMath;
import org.meteoinfo.shape.Graphic;
import org.meteoinfo.shape.ImageShape;
import org.meteoinfo.shape.PointZ;
@ -59,7 +60,6 @@ import org.meteoinfo.shape.PolygonZShape;
import org.meteoinfo.shape.Polyline;
import org.meteoinfo.shape.PolylineZShape;
import org.meteoinfo.shape.Shape;
import org.meteoinfo.shape.ShapeTypes;
import static org.meteoinfo.shape.ShapeTypes.PointZ;
/**
@ -110,12 +110,15 @@ public class Plot3DGL extends Plot implements GLEventListener {
//this.legends.add(new ChartColorBar(new LegendScheme(ShapeTypes.Polygon, 5)));
this.xAxis = new Axis();
this.xAxis.setLabel("X");
//this.xAxis.setLabel("Longitude");
this.xAxis.setTickLength(8);
this.yAxis = new Axis();
this.yAxis.setLabel("Y");
//this.yAxis.setLabel("Latitude");
this.yAxis.setTickLength(8);
this.zAxis = new Axis();
this.zAxis.setLabel("Z");
//this.zAxis.setLabel("Altitude");
this.zAxis.setTickLength(8);
this.graphics = new GraphicCollection3D();
this.hideOnDrag = false;
@ -746,6 +749,17 @@ public class Plot3DGL extends Plot implements GLEventListener {
return (float) Math.sqrt(Math.pow(sx2 - sx1, 2) + Math.pow(sy2 - sy1, 2));
}
private float toScreenAngle(float x1, float y1, float z1, float x2, float y2, float z2) {
float[] coord = toScreen(x1, y1, z1);
float sx1 = coord[0];
float sy1 = coord[1];
coord = toScreen(x2, y2, z2);
float sx2 = coord[0];
float sy2 = coord[1];
return (float) MeteoMath.uv2ds(sx2 - sx1, sy2 - sy1)[0];
}
private int getLabelGap(Font font, List<ChartText> labels, double len) {
TextRenderer textRenderer = new TextRenderer(font);
@ -919,10 +933,13 @@ public class Plot3DGL extends Plot implements GLEventListener {
//Draw x axis label
ChartText label = this.xAxis.getLabel();
if (label != null) {
strWidth += 10;
float xShift = xAlign == XAlign.LEFT ? strWidth : -strWidth;
float yShift = this.angleX > -120 ? -strHeight : strHeight;
drawString(gl, label, 0.0f, y1, -1.0f, xAlign, yAlign, xShift, yShift);
strWidth += this.tickSpace;
float angle = this.toScreenAngle(-1.0f, y, -1.0f, 1.0f, y, -1.0f);
angle = y < 0 ? 270 - angle : 90 - angle;
float yShift = Math.min(-strWidth, -strWidth);
if (this.angleX <= -120)
yShift = -yShift;
drawString(gl, label, 0.0f, y1, -1.0f, XAlign.CENTER, yAlign, angle, 0, yShift);
}
////////////////////////////////////////////
@ -1006,11 +1023,14 @@ public class Plot3DGL extends Plot implements GLEventListener {
//Draw y axis label
label = this.yAxis.getLabel();
if (label != null) {
strWidth += 10;
float xShift = xAlign == XAlign.LEFT ? strWidth : -strWidth;
float yShift = this.angleX > -120 ? -strHeight : strHeight;
drawString(gl, label, x1, 0.0f, -1.0f, xAlign, yAlign, xShift, yShift);
if (label != null) {
strWidth += this.tickSpace;
float angle = this.toScreenAngle(x, -1.0f, -1.0f, x, 1.0f, -1.0f);
angle = x > 0 ? 270 - angle : 90 - angle;
float yShift = Math.min(-strWidth, -strWidth);
if (this.angleX <= -120)
yShift = -yShift;
drawString(gl, label, x1, 0.0f, -1.0f, XAlign.CENTER, yAlign, angle, 0, yShift);
}
}
@ -1108,7 +1128,7 @@ public class Plot3DGL extends Plot implements GLEventListener {
gl.glEnd();
//Draw tick label
rect = drawString(gl, tlabs.get(i), x1, y1, v, xAlign, yAlign);
rect = drawString(gl, tlabs.get(i), x1, y1, v, xAlign, yAlign, -this.tickSpace, 0);
if (strWidth < rect.getWidth()) {
strWidth = (float) rect.getWidth();
}
@ -1117,9 +1137,8 @@ public class Plot3DGL extends Plot implements GLEventListener {
//Draw z axis label
ChartText label = this.zAxis.getLabel();
if (label != null) {
strWidth += 10;
float xShift = xAlign == XAlign.LEFT ? strWidth : -strWidth;
drawString(gl, label, x1, y1, 0.0f, xAlign, yAlign, xShift, 0);
float yShift = strWidth + this.tickSpace * 3;
drawString(gl, label, x1, y1, 0.0f, XAlign.CENTER, YAlign.BOTTOM, 90.f, 0, yShift);
}
}
}
@ -1134,6 +1153,11 @@ public class Plot3DGL extends Plot implements GLEventListener {
vy, vz, xAlign, yAlign, xShift, yShift);
}
Rectangle2D drawString(GL2 gl, String str, Font font, Color color, float vx, float vy, float vz,
XAlign xAlign, YAlign yAlign) {
return drawString(gl, str, font, color, vx, vy, vz, xAlign, yAlign, 0, 0);
}
Rectangle2D drawString(GL2 gl, String str, Font font, Color color, float vx, float vy, float vz,
XAlign xAlign, YAlign yAlign, float xShift, float yShift) {
//Get screen coordinates
@ -1163,14 +1187,72 @@ public class Plot3DGL extends Plot implements GLEventListener {
y -= rect.getHeight();
break;
}
if (xAlign == XAlign.RIGHT && yAlign == YAlign.CENTER) {
x -= this.tickSpace;
}
textRenderer.draw(str, (int) (x + xShift), (int) (y + yShift));
textRenderer.endRendering();
return rect;
}
Rectangle2D drawString(GL2 gl, ChartText text, float vx, float vy, float vz,
XAlign xAlign, YAlign yAlign, float angle) {
return drawString(gl, text.getText(), text.getFont(), text.getColor(), vx, vy, vz, xAlign, yAlign, angle, 0, 0);
}
Rectangle2D drawString(GL2 gl, ChartText text, float vx, float vy, float vz,
XAlign xAlign, YAlign yAlign, float angle, float xShift, float yShift) {
return drawString(gl, text.getText(), text.getFont(), text.getColor(), vx, vy,
vz, xAlign, yAlign, angle, xShift, yShift);
}
Rectangle2D drawString(GL2 gl, String str, Font font, Color color, float vx, float vy, float vz,
XAlign xAlign, YAlign yAlign, float angle) {
return drawString(gl, str, font, color, vx, vy, vz, xAlign, yAlign, angle, 0, 0);
}
Rectangle2D drawString(GL2 gl, String str, Font font, Color color, float vx, float vy, float vz,
XAlign xAlign, YAlign yAlign, float angle, float xShift, float yShift) {
//Get screen coordinates
float coord[] = this.toScreen(vx, vy, vz);
float x = coord[0];
float y = coord[1];
//Rendering text string
TextRenderer textRenderer = new TextRenderer(font, true);
textRenderer.beginRendering(this.width, this.height);
textRenderer.setColor(color);
textRenderer.setSmoothing(true);
Rectangle2D rect = textRenderer.getBounds(str.subSequence(0, str.length()));
gl.glMatrixMode(GL2.GL_MODELVIEW);
gl.glPushMatrix();
gl.glTranslatef(x, y, 0.0f);
if (angle != 0) {
gl.glRotatef(angle, 0.0f, 0.0f, 1.0f);
}
x = 0; y = 0;
switch (xAlign) {
case CENTER:
x -= rect.getWidth() * 0.5;
break;
case RIGHT:
x -= rect.getWidth();
break;
}
switch (yAlign) {
case CENTER:
y -= rect.getHeight() * 0.5;
break;
case TOP:
y -= rect.getHeight();
break;
}
x += xShift;
y += yShift;
textRenderer.draw(str, (int)x, (int)y);
textRenderer.endRendering();
gl.glPopMatrix();
return rect;
}
void drawTitle() {
if (title != null) {