diff options
author | Sven Gothel <[email protected]> | 2023-03-20 06:18:31 +0100 |
---|---|---|
committer | Sven Gothel <[email protected]> | 2023-03-20 06:18:31 +0100 |
commit | 0b476231be5cf4a42e7030d7e0f88589811c1c88 (patch) | |
tree | b3048f65c178abfa9558fe29e891f97a771fcbea | |
parent | 89d43b49537b021bbfe52ef8563ac9d9d7661534 (diff) |
GraphUI Default Scene.PMVMatrixSetup: Scale (back) projection to have normalized plane dimensions, 1 for the greater of width and height
-rw-r--r-- | src/demos/com/jogamp/opengl/demos/graph/ui/UISceneDemo00.java | 25 | ||||
-rw-r--r-- | src/graphui/classes/com/jogamp/graph/ui/gl/Scene.java | 50 |
2 files changed, 59 insertions, 16 deletions
diff --git a/src/demos/com/jogamp/opengl/demos/graph/ui/UISceneDemo00.java b/src/demos/com/jogamp/opengl/demos/graph/ui/UISceneDemo00.java index 76ee7389d..d7677ecbd 100644 --- a/src/demos/com/jogamp/opengl/demos/graph/ui/UISceneDemo00.java +++ b/src/demos/com/jogamp/opengl/demos/graph/ui/UISceneDemo00.java @@ -52,6 +52,13 @@ import com.jogamp.opengl.util.PMVMatrix; /** * Res independent Shape, in Scene attached to GLWindow showing simple linear Shape movement within one main function. + * <p> + * The shape is created using the normalized scene's default bounding box, normalized to 1 for the greater of width and height. + * </p> + * <p> + * Pass '-keep' to main-function to keep running after animation, + * then user can test Shape drag-move and drag-resize w/ 1-pointer. + * </p> */ public class UISceneDemo00 { public static void main(final String[] args) throws IOException { @@ -59,13 +66,22 @@ public class UISceneDemo00 { final int renderModes = Region.VBAA_RENDERING_BIT; final GLProfile glp = GLProfile.getGL2ES2(); + boolean keepRunning = false; + if( 0 != args.length ) { + for(int i=0; i<args.length; i++) { + if(args[i].equals("-keep")) { + keepRunning = true; + } + } + } + // // Resolution independent, no screen size // final Font font = FontFactory.get(FontFactory.UBUNTU).get(FontSet.FAMILY_LIGHT, FontSet.STYLE_SERIF); System.err.println("Font: "+font.getFullFamilyName()); - final Shape shape = new Button(SVertex.factory(), renderModes, font, "+", 0.10f, 0.10f/2.5f); + final Shape shape = new Button(SVertex.factory(), renderModes, font, "+", 0.10f, 0.10f/2.5f); // normalized: 1 is 100% surface size (width and/or height) System.err.println("Shape bounds "+shape.getBounds(glp)); final Scene scene = new Scene(); @@ -99,12 +115,11 @@ public class UISceneDemo00 { // // After initial display we can use screen resolution post initial Scene.reshape(..) // However, in this example we merely use the resolution to - // - Scale the shape to the sceneBox, i.e. normalizing to screen-size 1x1 // - Compute the animation values with DPI scene.waitUntilDisplayed(); final AABBox sceneBox = scene.getBounds(); - shape.scale(sceneBox.getWidth(), sceneBox.getWidth(), 1f); // scale shape to sceneBox, normalizing to screen-size 1x1 + System.err.println("SceneBox "+sceneBox); try { Thread.sleep(1000); } catch (final InterruptedException e1) { } // @@ -156,6 +171,8 @@ public class UISceneDemo00 { final float has_dur_s = ( ( Clock.currentNanos() / 1000 ) - t0_us ) / 1e6f; // [us] System.err.printf("Actual travel-duration %.3f s, delay %.3f s%n", has_dur_s, has_dur_s-exp_dur_s); try { Thread.sleep(1000); } catch (final InterruptedException e1) { } - window.destroy(); + if( !keepRunning ) { + window.destroy(); + } } } 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 d5468f388..47411f60f 100644 --- a/src/graphui/classes/com/jogamp/graph/ui/gl/Scene.java +++ b/src/graphui/classes/com/jogamp/graph/ui/gl/Scene.java @@ -540,13 +540,20 @@ public final class Scene implements GLEventListener { * Custom implementations can be set via {@link Scene#setPMVMatrixSetup(PMVMatrixSetup)}. * </p> * <p> - * The default implementation is described below - * </p> - * <p> - * {@link GLMatrixFunc#GL_PROJECTION} is setup using perspective {@link Scene#DEFAULT_ANGLE} with {@link Scene#DEFAULT_ZNEAR} and {@link Scene#DEFAULT_ZFAR}. - * </p> - * <p> - * Further {@link GLMatrixFunc#GL_MODELVIEW} is translated to given {@link Scene#DEFAULT_SCENE_DIST}. + * The default implementation is described below: + * <ul> + * <li>{@link GLMatrixFunc#GL_PROJECTION} Matrix + * <ul> + * <li>Identity</li> + * <li>Perspective {@link Scene#DEFAULT_ANGLE} with {@link Scene#DEFAULT_ZNEAR} and {@link Scene#DEFAULT_ZFAR}</li> + * <li>Translated to given {@link Scene#DEFAULT_SCENE_DIST}</li> + * <li>Scale (back) to have normalized {@link Scene#getBounds() plane dimensions}, 1 for the greater of width and height.</li> + * </ul></li> + * <li>{@link GLMatrixFunc#GL_MODELVIEW} Matrix + * <ul> + * <li>identity</li> + * </ul></li> + * </ul> * </p> */ public static interface PMVMatrixSetup { @@ -571,8 +578,12 @@ public final class Scene implements GLEventListener { * <p> * Will be called by {@link Scene#reshape(GLAutoDrawable, int, int, int, int)} after {@link #set(PMVMatrix, int, int, int, int)}. * </p> - * @param x TODO - * @param y TODO + * @param planeBox the {@link AABBox} to define + * @param pmv the {@link PMVMatrix}, already setup via {@link #set(PMVMatrix, int, int, int, int)}. + * @param x lower left corner of the viewport rectangle + * @param y lower left corner of the viewport rectangle + * @param width width of the viewport rectangle + * @param height height of the viewport rectangle */ void setPlaneBox(final AABBox planeBox, final PMVMatrix pmv, int x, int y, final int width, final int height); } @@ -583,6 +594,9 @@ public final class Scene implements GLEventListener { /** Set a custom {@link PMVMatrixSetup}. */ public final void setPMVMatrixSetup(final PMVMatrixSetup setup) { pmvMatrixSetup = setup; } + /** Return the default {@link PMVMatrixSetup}. */ + public static PMVMatrixSetup getDefaultPMVMatrixSetup() { return defaultPMVMatrixSetup; } + /** * Reshape scene using {@link #setupMatrix(PMVMatrix, int, int, int, int)} using {@link PMVMatrixSetup}. * <p> @@ -650,6 +664,9 @@ public final class Scene implements GLEventListener { * <p> * {@link AABBox} is setup via {@link #getPMVMatrixSetup()}'s {@link PMVMatrixSetup#setPlaneBox(AABBox, PMVMatrix, int, int, int, int)}. * </p> + * <p> + * The default {@link PMVMatrixSetup} implementation scales to normalized plane dimensions, 1 for the greater of width and height. + * </p> */ public AABBox getBounds() { return planeBox; } @@ -913,7 +930,7 @@ public final class Scene implements GLEventListener { return String.format("%03.1f/%03.1f fps, %.1f ms/f", lfps, tfps, td); } - private final PMVMatrixSetup defaultPMVMatrixSetup = new PMVMatrixSetup() { + private static final PMVMatrixSetup defaultPMVMatrixSetup = new PMVMatrixSetup() { @Override public void set(final PMVMatrix pmv, final int x, final int y, final int width, final int height) { final float ratio = (float)width/(float)height; @@ -922,6 +939,14 @@ public final class Scene implements GLEventListener { pmv.gluPerspective(DEFAULT_ANGLE, ratio, DEFAULT_ZNEAR, DEFAULT_ZFAR); pmv.glTranslatef(0f, 0f, DEFAULT_SCENE_DIST); + // Scale (back) to have normalized plane dimensions, 1 for the greater of width and height. + final AABBox planeBox0 = new AABBox(); + setPlaneBox(planeBox0, pmv, x, y, width, height); + final float sx = planeBox0.getWidth(); + final float sy = planeBox0.getHeight(); + final float sxy = sx > sy ? sx : sy; + pmv.glScalef(sxy, sxy, 1f); + pmv.glMatrixMode(GLMatrixFunc.GL_MODELVIEW); pmv.glLoadIdentity(); } @@ -931,9 +956,10 @@ public final class Scene implements GLEventListener { final float orthoDist = -DEFAULT_SCENE_DIST; final float[] obj00Coord = new float[3]; final float[] obj11Coord = new float[3]; + final int[] viewport = { x, y, width, height }; - winToPlaneCoord(pmv, getViewport(), DEFAULT_ZNEAR, DEFAULT_ZFAR, x, y, orthoDist, obj00Coord); - winToPlaneCoord(pmv, getViewport(), DEFAULT_ZNEAR, DEFAULT_ZFAR, width, height, orthoDist, obj11Coord); + winToPlaneCoord(pmv, viewport, DEFAULT_ZNEAR, DEFAULT_ZFAR, x, y, orthoDist, obj00Coord); + winToPlaneCoord(pmv, viewport, DEFAULT_ZNEAR, DEFAULT_ZFAR, width, height, orthoDist, obj11Coord); planeBox.setSize( obj00Coord[0], // lx obj00Coord[1], // ly |