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[#2076] Support transparent rendering and exporting of PS images

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This commit is contained in:
SiboVG 2023-02-25 16:40:48 +01:00
parent 2c22015ec7
commit 32e7d328f5
1 changed files with 9 additions and 3 deletions
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12
swing/src/net/sf/openrocket/gui/figure3d/photo/PhotoPanel.java
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@ -1,7 +1,9 @@
package net.sf.openrocket.gui.figure3d.photo;
import java.awt.AlphaComposite;
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.SplashScreen;
import java.awt.event.MouseEvent;
@ -169,10 +171,12 @@ public class PhotoPanel extends JPanel implements GLEventListener {
Preferences.OPENGL_USE_FBO, false)) {
log.trace("GL - Creating GLJPanel");
canvas = new GLJPanel(caps);
((GLJPanel) canvas).setOpaque(false);
} else {
log.trace("GL - Creating GLCanvas");
canvas = new GLCanvas(caps);
}
canvas.setBackground(new java.awt.Color(0, 0, 0, 0));
((GLAutoDrawable) canvas).addGLEventListener(this);
this.add(canvas, BorderLayout.CENTER);
@ -277,7 +281,7 @@ public class PhotoPanel extends JPanel implements GLEventListener {
if (!imageCallbacks.isEmpty()) {
BufferedImage i = (new AWTGLReadBufferUtil(
GLProfile.get(GLProfile.GL2), false))
GLProfile.get(GLProfile.GL2), true)) // Set the second parameter to true
.readPixelsToBufferedImage(drawable.getGL(), 0, 0,
drawable.getSurfaceWidth(), drawable.getSurfaceHeight(), true);
final Vector<ImageCallback> cbs = new Vector<PhotoPanel.ImageCallback>(
@ -298,10 +302,12 @@ public class PhotoPanel extends JPanel implements GLEventListener {
out[0] = 1;
out[1] = 1;
out[2] = 0;
out[3] = 1;
} else {
out[0] = (float) color.getRed() / 255f;
out[1] = (float) color.getGreen() / 255f;
out[2] = (float) color.getBlue() / 255f;
out[3] = (float) color.getAlpha() / 255f;
}
}
@ -309,7 +315,7 @@ public class PhotoPanel extends JPanel implements GLEventListener {
GL2 gl = drawable.getGL().getGL2();
GLU glu = new GLU();
float[] color = new float[3];
float[] color = new float[4];
gl.glEnable(GL.GL_MULTISAMPLE);
@ -334,7 +340,7 @@ public class PhotoPanel extends JPanel implements GLEventListener {
0);
convertColor(p.getSkyColor(), color);
gl.glClearColor(color[0], color[1], color[2], 1);
gl.glClearColor(color[0], color[1], color[2], color[3]);
gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
gl.glMatrixMode(GLMatrixFunc.GL_PROJECTION);