summaryrefslogtreecommitdiffstats
path: root/src/graphui/classes
diff options
context:
space:
mode:
Diffstat (limited to 'src/graphui/classes')
-rw-r--r--src/graphui/classes/com/jogamp/graph/ui/gl/Scene.java234
-rw-r--r--src/graphui/classes/com/jogamp/graph/ui/gl/Shape.java11
2 files changed, 191 insertions, 54 deletions
diff --git a/src/graphui/classes/com/jogamp/graph/ui/gl/Scene.java b/src/graphui/classes/com/jogamp/graph/ui/gl/Scene.java
index 558b13aba..139b764ef 100644
--- a/src/graphui/classes/com/jogamp/graph/ui/gl/Scene.java
+++ b/src/graphui/classes/com/jogamp/graph/ui/gl/Scene.java
@@ -42,6 +42,7 @@ import com.jogamp.opengl.fixedfunc.GLMatrixFunc;
import com.jogamp.graph.curve.Region;
import com.jogamp.graph.curve.opengl.RegionRenderer;
import com.jogamp.graph.curve.opengl.RenderState;
+import com.jogamp.graph.geom.SVertex;
import com.jogamp.graph.geom.Vertex;
import com.jogamp.newt.event.GestureHandler;
import com.jogamp.newt.event.InputEvent;
@@ -65,21 +66,27 @@ import com.jogamp.opengl.util.PMVMatrix;
* </p>
* @see Shape
*/
-public class Scene implements GLEventListener{
+public class Scene implements GLEventListener {
+ /** Default scene distance on z-axis to projection is -1/5f. */
+ public static final float DEFAULT_SCENE_DIST = -1/5f;
+ /** Default projection z-near value is 0.1. */
+ public static final float DEFAULT_ZNEAR = 0.1f;
+ /** Default projection z-far value is 7000. */
+ public static final float DEFAULT_ZFAR = 7000.0f;
+
+ private static final boolean DEBUG = false;
+
private final ArrayList<Shape> shapes = new ArrayList<Shape>();
private final float sceneDist, zNear, zFar;
- private RegionRenderer renderer;
+ private final RegionRenderer renderer;
private final int[] sampleCount = new int[1];
- /** Describing the bounding box in model-coordinates of the near-plane parallel at distance one. */
- private final AABBox nearPlane1Box = new AABBox();
+ /** Describing the bounding box in shape's object model-coordinates of the near-plane parallel at its scene-distance. */
+ private final AABBox scenePlane = new AABBox(0f, 0f, 0f, 0f, 0f, 0f);
private final int[] viewport = new int[] { 0, 0, 0, 0 };
- private final float[] sceneScale = new float[3];
- private final float[] scenePlaneOrigin = new float[3];
-
private volatile Shape activeShape = null;
@@ -89,11 +96,48 @@ public class Scene implements GLEventListener{
private GLAutoDrawable cDrawable = null;
+ private static RegionRenderer createRenderer() {
+ final RenderState rs = RenderState.createRenderState(SVertex.factory());
+ return RegionRenderer.create(rs, RegionRenderer.defaultBlendEnable, RegionRenderer.defaultBlendDisable);
+ }
+
+ /**
+ * Create a new scene with an internally created RegionRenderer
+ * and using default values {@link #DEFAULT_SCENE_DIST}, {@link #DEFAULT_ZNEAR} and {@link #DEFAULT_ZFAR}.
+ */
+ public Scene() {
+ this(createRenderer(), DEFAULT_SCENE_DIST, DEFAULT_ZNEAR, DEFAULT_ZFAR);
+ }
+
+ /**
+ * Create a new scene with given projection values and an internally created RegionRenderer.
+ * @param sceneDist scene distance on z-axis to projection, consider using {@link #DEFAULT_SCENE_DIST}.
+ * @param zNear projection z-near value, consider using {@link #DEFAULT_ZNEAR}
+ * @param zFar projection z-far value, consider using {@link #DEFAULT_ZFAR}
+ */
public Scene(final float sceneDist, final float zNear, final float zFar) {
- this(null, sceneDist, zNear, zFar);
+ this(createRenderer(), sceneDist, zNear, zFar);
+ }
+
+ /**
+ * Create a new scene taking ownership of the given RegionRenderer
+ * and using default values {@link #DEFAULT_SCENE_DIST}, {@link #DEFAULT_ZNEAR} and {@link #DEFAULT_ZFAR}.
+ */
+ public Scene(final RegionRenderer renderer) {
+ this(renderer, DEFAULT_SCENE_DIST, DEFAULT_ZNEAR, DEFAULT_ZFAR);
}
+ /**
+ * Create a new scene with given projection values and taking ownership of the given RegionRenderer.
+ * @param renderer RegionRenderer to use and own
+ * @param sceneDist scene distance on z-axis to projection, consider using {@link #DEFAULT_SCENE_DIST}.
+ * @param zNear projection z-near value, consider using {@link #DEFAULT_ZNEAR}
+ * @param zFar projection z-far value, consider using {@link #DEFAULT_ZFAR}
+ */
public Scene(final RegionRenderer renderer, final float sceneDist, final float zNear, final float zFar) {
+ if( null == renderer ) {
+ throw new IllegalArgumentException("Null RegionRenderer");
+ }
this.renderer = renderer;
this.sceneDist = sceneDist;
this.zFar = zFar;
@@ -101,12 +145,18 @@ public class Scene implements GLEventListener{
this.sampleCount[0] = 4;
}
+ /** Return z-axis distance of scene to projection, see {@link #DEFAULT_SCENE_DIST}. */
+ public float getProjSceneDist() { return sceneDist; }
+
+ /** Return projection z-near value, see {@link #DEFAULT_ZNEAR}. */
+ public float getProjZNear() { return zNear; }
+
+ /** Return projection z-far value, see {@link #DEFAULT_ZFAR}. */
+ public float getProjZFar() { return zFar; }
+
/** Returns the associated RegionRenderer */
public RegionRenderer getRenderer() { return renderer; }
- /** Sets the associated RegionRenderer, may set to null to avoid its destruction when {@link #dispose(GLAutoDrawable)} this instance. */
- public void setRenderer(final RegionRenderer renderer) {
- this.renderer = renderer;
- }
+
/** Returns the associated RegionRenderer's RenderState, may be null. */
public RenderState getRenderState() {
if( null != renderer ) {
@@ -190,9 +240,6 @@ public class Scene implements GLEventListener{
}
}
- public final float[] getSceneScale() { return sceneScale; }
- public final float[] getScenePlaneOrigin() { return scenePlaneOrigin; }
-
@Override
public void init(final GLAutoDrawable drawable) {
System.err.println("SceneUIController: init");
@@ -367,7 +414,19 @@ public class Scene implements GLEventListener{
}
}
- public static void mapWin2ObjCoord(final PMVMatrix pmv, final int[] view,
+ /**
+ *
+ * @param pmv
+ * @param view
+ * @param zNear
+ * @param zFar
+ * @param orthoX
+ * @param orthoY
+ * @param orthoDist
+ * @param winZ
+ * @param objPos float[3] storage for object coord result
+ */
+ public static void winToObjCoord(final PMVMatrix pmv, final int[] view,
final float zNear, final float zFar,
final float orthoX, final float orthoY, final float orthoDist,
final float[] winZ, final float[] objPos) {
@@ -375,7 +434,50 @@ public class Scene implements GLEventListener{
pmv.gluUnProject(orthoX, orthoY, winZ[0], view, 0, objPos, 0);
}
- @Override
+ /**
+ * Map given window surface-size to object coordinates relative to this scene and {@link #getProjSceneDist() and projection settings.
+ * @param width surface width in pixel
+ * @param height surface height in pixel
+ * @param objSceneSize float[2] storage for object surface size result
+ */
+ public void surfaceToObjSize(final int width, final int height, final float[/*2*/] objSceneSize) {
+ final int[] viewport = { 0, 0, width, height };
+
+ final PMVMatrix pmv = new PMVMatrix();
+ {
+ final float ratio = (float)width/(float)height;
+ pmv.glMatrixMode(GLMatrixFunc.GL_PROJECTION);
+ pmv.glLoadIdentity();
+ pmv.gluPerspective(45.0f, ratio, zNear, zFar);
+ }
+ {
+ pmv.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
+ pmv.glLoadIdentity();
+ pmv.glTranslatef(0f, 0f, sceneDist);
+ }
+ {
+ final float orthoDist = -sceneDist;
+ final float[] obj00Coord = new float[3];
+ final float[] obj11Coord = new float[3];
+ final float[] winZ = new float[1];
+
+ winToObjCoord(pmv, viewport, zNear, zFar, 0f, 0f, orthoDist, winZ, obj00Coord);
+ winToObjCoord(pmv, viewport, zNear, zFar, width, height, orthoDist, winZ, obj11Coord);
+ objSceneSize[0] = obj11Coord[0] - obj00Coord[0];
+ objSceneSize[1] = obj11Coord[1] - obj00Coord[1];
+ }
+ }
+
+ /**
+ * Reshape scene using perspective 45 degrees w/ given zNear and zFar.
+ * <p>
+ * Modelview is translated to given {@link #getProjSceneDist()}
+ * and and origin 0/0 becomes the lower-left corner.
+ * </p>
+ * @see #getScenePlane()
+ */
+ @SuppressWarnings("unused")
+ @Override
public void reshape(final GLAutoDrawable drawable, final int x, final int y, final int width, final int height) {
viewport[0] = x;
viewport[1] = y;
@@ -386,45 +488,79 @@ public class Scene implements GLEventListener{
renderer.reshapePerspective(45.0f, width, height, zNear, zFar);
pmv.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
pmv.glLoadIdentity();
-
- System.err.printf("Reshape: zNear %f, zFar %f%n", zNear, zFar);
- System.err.printf("Reshape: Frustum: %s%n", pmv.glGetFrustum());
+ pmv.glTranslatef(0f, 0f, sceneDist);
{
- final float orthoDist = 1f;
+ final float orthoDist = -sceneDist;
final float[] obj00Coord = new float[3];
final float[] obj11Coord = new float[3];
final float[] winZ = new float[1];
- mapWin2ObjCoord(pmv, viewport, zNear, zFar, 0f, 0f, orthoDist, winZ, obj00Coord);
- System.err.printf("Reshape: mapped.00: [%f, %f, %f], winZ %f -> [%f, %f, %f]%n", 0f, 0f, orthoDist, winZ[0], obj00Coord[0], obj00Coord[1], obj00Coord[2]);
-
- mapWin2ObjCoord(pmv, viewport, zNear, zFar, width, height, orthoDist, winZ, obj11Coord);
- System.err.printf("Reshape: mapped.11: [%f, %f, %f], winZ %f -> [%f, %f, %f]%n", (float)width, (float)height, orthoDist, winZ[0], obj11Coord[0], obj11Coord[1], obj11Coord[2]);
-
- nearPlane1Box.setSize( obj00Coord[0], // lx
- obj00Coord[1], // ly
- obj00Coord[2], // lz
- obj11Coord[0], // hx
- obj11Coord[1], // hy
- obj11Coord[2] );// hz
- System.err.printf("Reshape: dist1Box: %s%n", nearPlane1Box);
- }
- scenePlaneOrigin[0] = nearPlane1Box.getMinX() * sceneDist;
- scenePlaneOrigin[1] = nearPlane1Box.getMinY() * sceneDist;
- scenePlaneOrigin[2] = nearPlane1Box.getMinZ() * sceneDist;
- sceneScale[0] = ( nearPlane1Box.getWidth() * sceneDist ) / width;
- sceneScale[1] = ( nearPlane1Box.getHeight() * sceneDist ) / height;
- sceneScale[2] = 1f;
- System.err.printf("Scene Origin [%f, %f, %f]%n", scenePlaneOrigin[0], scenePlaneOrigin[1], scenePlaneOrigin[2]);
- System.err.printf("Scene Scale %f * [%f x %f] / [%d x %d] = [%f, %f, %f]%n",
- sceneDist, nearPlane1Box.getWidth(), nearPlane1Box.getHeight(),
- width, height,
- sceneScale[0], sceneScale[1], sceneScale[2]);
-
- pmv.glTranslatef(scenePlaneOrigin[0], scenePlaneOrigin[1], scenePlaneOrigin[2]);
- pmv.glScalef(sceneScale[0], sceneScale[1], sceneScale[2]);
+ winToObjCoord(pmv, viewport, zNear, zFar, 0f, 0f, orthoDist, winZ, obj00Coord);
+ winToObjCoord(pmv, viewport, zNear, zFar, width, height, orthoDist, winZ, obj11Coord);
+
+ pmv.glTranslatef(obj00Coord[0], obj00Coord[1], 0f); // lower-left corder origin 0/0
+
+ if( true ) {
+ scenePlane.setSize( obj00Coord[0], // lx
+ obj00Coord[1], // ly
+ obj00Coord[2], // lz
+ obj11Coord[0], // hx
+ obj11Coord[1], // hy
+ obj11Coord[2] );// hz
+ } else {
+ scenePlane.setSize( 0f, // lx
+ 0f, // ly
+ 0f, // lz
+ obj11Coord[0] - obj00Coord[0], // hx
+ obj11Coord[1] - obj00Coord[1], // hy
+ obj11Coord[2] - obj00Coord[2]); // hz
+ }
+
+ if( true || DEBUG ) {
+ System.err.printf("Reshape: zNear %f, zFar %f, sceneDist %f%n", zNear, zFar, sceneDist);
+ System.err.printf("Reshape: Frustum: %s%n", pmv.glGetFrustum());
+ System.err.printf("Reshape: mapped.00: [%f, %f, %f], winZ %f -> [%f, %f, %f]%n", 0f, 0f, orthoDist, winZ[0], obj00Coord[0], obj00Coord[1], obj00Coord[2]);
+ System.err.printf("Reshape: mapped.11: [%f, %f, %f], winZ %f -> [%f, %f, %f]%n", (float)width, (float)height, orthoDist, winZ[0], obj11Coord[0], obj11Coord[1], obj11Coord[2]);
+ System.err.printf("Reshape: scenePlaneBox: %s%n", scenePlane);
+ }
+ }
+
+ if( false ) {
+ final float[] sceneScale = new float[3];
+ final float[] scenePlaneOrigin = new float[3];
+ scenePlaneOrigin[0] = scenePlane.getMinX() * sceneDist;
+ scenePlaneOrigin[1] = scenePlane.getMinY() * sceneDist;
+ scenePlaneOrigin[2] = scenePlane.getMinZ() * sceneDist;
+ sceneScale[0] = ( scenePlane.getWidth() * sceneDist ) / width;
+ sceneScale[1] = ( scenePlane.getHeight() * sceneDist ) / height;
+ sceneScale[2] = 1f;
+ System.err.printf("Scene Origin [%f, %f, %f]%n", scenePlaneOrigin[0], scenePlaneOrigin[1], scenePlaneOrigin[2]);
+ System.err.printf("Scene Scale %f * [%f x %f] / [%d x %d] = [%f, %f, %f]%n",
+ sceneDist, scenePlane.getWidth(), scenePlane.getHeight(),
+ width, height,
+ sceneScale[0], sceneScale[1], sceneScale[2]);
+ }
+ }
+
+ /** Translate modelview to the {@link #getProjSceneDist()}, a convenience method. */
+ public void translate(final PMVMatrix pmv) {
+ // pmv.glTranslatef(0f, 0f, sceneDist);
+ pmv.glTranslatef(scenePlane.getMinX(), scenePlane.getMinY(), 0f);
}
+ /**
+ * Describing the scene's object model-dimensions of the near-plane parallel at its scene-distance {@link #getProjSceneDist()}
+ * having the origin 0/0 on the lower-left corner.
+ * <p>
+ * The value is evaluated at {@link #reshape(GLAutoDrawable, int, int, int, int)} before translating to the lower-left origin 0/0,
+ * i.e. its minimum values are negative of half dimension.
+ * </p>
+ * <p>
+ * {@link AABBox#getWidth()} and {@link AABBox#getHeight()} define scene's dimension covered by surface size.
+ * </p>
+ */
+ public AABBox getScenePlane() { return scenePlane; }
+
public final Shape getActiveShape() {
return activeShape;
}
diff --git a/src/graphui/classes/com/jogamp/graph/ui/gl/Shape.java b/src/graphui/classes/com/jogamp/graph/ui/gl/Shape.java
index 15c16cd13..536de57e2 100644
--- a/src/graphui/classes/com/jogamp/graph/ui/gl/Shape.java
+++ b/src/graphui/classes/com/jogamp/graph/ui/gl/Shape.java
@@ -367,7 +367,7 @@ public abstract class Shape {
* i.e. reshape for {@link GLMatrixFunc#GL_PROJECTION} and {@link #setTransform(PMVMatrix)} for {@link GLMatrixFunc#GL_MODELVIEW}.
* </p>
* @param renderer source of viewport and {@link PMVMatrix}
- * @param surfaceSize target surface size
+ * @param surfaceSize int[2] target surface size
* @return true for successful gluProject(..) operation, otherwise false
*/
public boolean getSurfaceSize(final RegionRenderer renderer, final int[/*2*/] surfaceSize) {
@@ -400,8 +400,8 @@ public abstract class Shape {
* i.e. reshape for {@link GLMatrixFunc#GL_PROJECTION} and {@link #setTransform(PMVMatrix)} for {@link GLMatrixFunc#GL_MODELVIEW}.
* </p>
* @param renderer source of viewport and {@link PMVMatrix}
- * @param objPos object position relative to this shape's center
- * @param glWinPos target window position of objPos relative to this shape
+ * @param objPos float[3] object position relative to this shape's center
+ * @param glWinPos int[2] target window position of objPos relative to this shape
* @return true for successful gluProject(..) operation, otherwise false
*/
public boolean objToWinCoord(final RegionRenderer renderer, final float[/*3*/] objPos, final int[/*2*/] glWinPos) {
@@ -430,7 +430,7 @@ public abstract class Shape {
* @param renderer source of viewport and {@link PMVMatrix}
* @param glWinX in GL window coordinates, origin bottom-left
* @param glWinY in GL window coordinates, origin bottom-left
- * @param objPos target object position of glWinX/glWinY relative to this shape
+ * @param objPos float[3] target object position of glWinX/glWinY relative to this shape
* @return @return true for successful gluProject(..) and gluUnProject(..) operations, otherwise false
*/
public boolean winToObjCoord(final RegionRenderer renderer, final int glWinX, final int glWinY, final float[/*3*/] objPos) {
@@ -527,7 +527,7 @@ public abstract class Shape {
}
public String getSubString() {
- return "enabled "+enabled+", toggle[able "+toggleable+", state "+toggle+"], "+position[0]+" / "+position[1]+", box "+box;
+ return "enabled "+enabled+", toggle[able "+toggleable+", state "+toggle+"], pos "+position[0]+" / "+position[1]+", box "+box;
}
//
@@ -545,6 +545,7 @@ public abstract class Shape {
public void setToggleable(final boolean toggleable) {
this.toggleable = toggleable;
}
+
/**
* Returns true if this shape is toggable,
* i.e. rendered w/ {@link #setToggleOnColorMod(float, float, float, float)} or {@link #setToggleOffColorMod(float, float, float, float)}.
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 22:48:31 +0000