private void draw(DrawContext dc) { this.referencePoint = this.computeReferencePoint(dc); this.assembleTiles(dc); // Determine the tiles to draw. if (this.currentTiles.size() >= 1) { MercatorTextureTile[] sortedTiles = new MercatorTextureTile[this.currentTiles.size()]; sortedTiles = this.currentTiles.toArray(sortedTiles); Arrays.sort(sortedTiles, levelComparer); GL gl = dc.getGL(); if (this.isUseTransparentTextures() || this.getOpacity() < 1) { gl.glPushAttrib(GL.GL_COLOR_BUFFER_BIT | GL.GL_POLYGON_BIT | GL.GL_CURRENT_BIT); gl.glColor4d(1d, 1d, 1d, this.getOpacity()); gl.glEnable(GL.GL_BLEND); gl.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA); } else { gl.glPushAttrib(GL.GL_COLOR_BUFFER_BIT | GL.GL_POLYGON_BIT); } gl.glPolygonMode(GL.GL_FRONT, GL.GL_FILL); gl.glEnable(GL.GL_CULL_FACE); gl.glCullFace(GL.GL_BACK); dc.setPerFrameStatistic( PerformanceStatistic.IMAGE_TILE_COUNT, this.tileCountName, this.currentTiles.size()); dc.getGeographicSurfaceTileRenderer().renderTiles(dc, this.currentTiles); gl.glPopAttrib(); if (this.drawTileIDs) this.drawTileIDs(dc, this.currentTiles); if (this.drawBoundingVolumes) this.drawBoundingVolumes(dc, this.currentTiles); this.currentTiles.clear(); } this.sendRequests(); this.requestQ.clear(); }
public void render(GLOContext ctx) { GUIContext guictx = (GUIContext) ctx; GL gl = ctx.getGL(); ModelRenderer mrend = guictx.rendcache.getModelRenderer(xpointermodel, ModelRenderer.NO_NORMALS); gl.glPushMatrix(); // #1 gl.glPushAttrib(GL.GL_ENABLE_BIT | GL.GL_POLYGON_BIT); gl.glEnable(GL.GL_CULL_FACE); setShader("xpointer"); Point org = origin; float w2 = getWidth() * 0.5f; float h2 = getHeight() * 0.5f; float cenx = org.x + w2; float ceny = org.y + h2; gl.glTranslatef(cenx, ceny, 0); gl.glScalef(w2, h2, 1); // must convert right-hand to left-hand coords // draw the x value gl.glPushMatrix(); float xval = getXValue(); xval = Math.max(-maxrot, Math.min(maxrot, xval * maxrot)); gl.glRotatef(90, 0, 0, 1); gl.glRotatef(xval, -1, 0, 0); mrend.render(); gl.glPopMatrix(); // draw the y value float yval = getYValue(); yval = Math.max(-maxrot, Math.min(maxrot, yval * maxrot)); gl.glRotatef(yval, -1, 0, 0); mrend.render(); gl.glPopAttrib(); gl.glPopMatrix(); // #1 }
public void display(GLAutoDrawable glDrawable) { GL gl = glDrawable.getGL(); // Store old matrices gl.glMatrixMode(GL.GL_MODELVIEW); gl.glPushMatrix(); gl.glLoadIdentity(); gl.glMatrixMode(GL.GL_PROJECTION); gl.glPushMatrix(); gl.glLoadIdentity(); gl.glViewport(0, 0, glDrawable.getWidth(), glDrawable.getHeight()); // Store enabled state and disable lighting, texture mapping and the depth buffer gl.glPushAttrib(GL.GL_ENABLE_BIT); gl.glDisable(GL.GL_BLEND); gl.glDisable(GL.GL_LIGHTING); gl.glDisable(GL.GL_TEXTURE_2D); gl.glDisable(GL.GL_DEPTH_TEST); // Retrieve the current viewport and switch to orthographic mode IntBuffer viewPort = BufferUtil.newIntBuffer(4); gl.glGetIntegerv(GL.GL_VIEWPORT, viewPort); glu.gluOrtho2D(0, viewPort.get(2), viewPort.get(3), 0); // Render the text gl.glColor3f(1, 1, 1); int x = OFFSET; int maxx = 0; int y = OFFSET + CHAR_HEIGHT; if (keyboardEntries.size() > 0) { gl.glRasterPos2i(x, y); glut.glutBitmapString(GLUT.BITMAP_HELVETICA_12, KEYBOARD_CONTROLS); maxx = Math.max( maxx, OFFSET + glut.glutBitmapLength(GLUT.BITMAP_HELVETICA_12, KEYBOARD_CONTROLS)); y += OFFSET; x += INDENT; for (int i = 0; i < keyboardEntries.size(); i++) { gl.glRasterPos2f(x, y); String text = (String) keyboardEntries.get(i); glut.glutBitmapString(GLUT.BITMAP_HELVETICA_12, text); maxx = Math.max(maxx, OFFSET + glut.glutBitmapLength(GLUT.BITMAP_HELVETICA_12, text)); y += OFFSET; } } if (mouseEntries.size() > 0) { x = maxx + OFFSET; y = OFFSET + CHAR_HEIGHT; gl.glRasterPos2i(x, y); glut.glutBitmapString(GLUT.BITMAP_HELVETICA_12, MOUSE_CONTROLS); y += OFFSET; x += INDENT; for (int i = 0; i < mouseEntries.size(); i++) { gl.glRasterPos2f(x, y); glut.glutBitmapString(GLUT.BITMAP_HELVETICA_12, (String) mouseEntries.get(i)); y += OFFSET; } } // Restore enabled state gl.glPopAttrib(); // Restore old matrices gl.glPopMatrix(); gl.glMatrixMode(GL.GL_MODELVIEW); gl.glPopMatrix(); }
@Override public void render(final DrawContext dc) { // _lastDC = dc; runFrameWorkers(); final GTexture texture = getTexture(); if ((texture == null) || !texture.hasGLTexture()) { return; } final GL gl = dc.getGL(); gl.glPushAttrib( GL.GL_DEPTH_BUFFER_BIT | GL.GL_COLOR_BUFFER_BIT | GL.GL_ENABLE_BIT | GL.GL_TEXTURE_BIT | GL.GL_TRANSFORM_BIT | GL.GL_VIEWPORT_BIT | GL.GL_CURRENT_BIT); gl.glEnable(GL.GL_BLEND); gl.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA); gl.glDisable(GL.GL_DEPTH_TEST); // Load a parallel projection with xy dimensions (viewportWidth, viewportHeight) // into the GL projection matrix. final Rectangle viewport = dc.getView().getViewport(); gl.glMatrixMode(GL.GL_PROJECTION); gl.glPushMatrix(); gl.glLoadIdentity(); final double maxwh = Math.max(_textureWidth, _textureHeight); gl.glOrtho(0d, viewport.width, 0d, viewport.height, -0.6 * maxwh, 0.6 * maxwh); gl.glMatrixMode(GL.GL_MODELVIEW); gl.glPushMatrix(); gl.glLoadIdentity(); // Translate and scale final float scale = computeScale(viewport); final Vec4 locationSW = computeLocation(viewport, scale); gl.glTranslated(locationSW.x(), locationSW.y(), locationSW.z()); // Scale to 0..1 space gl.glScalef(scale, scale, 1f); gl.glScaled(_textureWidth, _textureHeight, 1d); _lastScreenBounds = calculateScreenBounds(viewport, locationSW, scale); texture.enable(); texture.bind(); gl.glTexEnvf(GL.GL_TEXTURE_ENV, GL.GL_TEXTURE_ENV_MODE, GL.GL_MODULATE); gl.glColor4f(1, 1, 1, calculateOpacity()); dc.drawUnitQuad(texture.getImageTexCoords()); texture.disable(); gl.glMatrixMode(GL.GL_PROJECTION); gl.glPopMatrix(); gl.glMatrixMode(GL.GL_MODELVIEW); gl.glPopMatrix(); gl.glPopAttrib(); }
public void restoreGLState() { restoreGLMatrices(); gl.glPopAttrib(); }
public void restoreView() { restoreGLMatrices(); gl.glPopAttrib(); }
public void prerenderToTexture(GL gl) { int texSize = 256; final int[] tmp = new int[1]; gl.glGenTextures(1, tmp, 0); textureID = tmp[0]; gl.glBindTexture(GL_TEXTURE_2D, textureID); gl.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); gl.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); gl.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); gl.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); gl.glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, texSize, texSize, 0, GL_BGRA, GL_UNSIGNED_BYTE, null); final int[] fbo = new int[1]; gl.glGenFramebuffersEXT(1, IntBuffer.wrap(fbo)); gl.glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fbo[0]); gl.glFramebufferTexture2DEXT( GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, textureID, 0); gl.glDrawBuffers(1, IntBuffer.wrap(new int[] {GL_COLOR_ATTACHMENT0_EXT})); final int[] rba = new int[1]; gl.glGenRenderbuffersEXT(1, IntBuffer.wrap(rba)); gl.glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, rba[0]); gl.glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT, texSize, texSize); gl.glFramebufferRenderbufferEXT( GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, rba[0]); gl.glPushMatrix(); gl.glLoadIdentity(); gl.glPushAttrib(GL_VIEWPORT_BIT); gl.glViewport(0, 0, texSize, texSize); gl.glMatrixMode(GL.GL_PROJECTION); gl.glPushMatrix(); gl.glLoadIdentity(); gl.glOrtho(0, texSize, 0, texSize, 0, 10); gl.glMatrixMode(GL.GL_MODELVIEW); Set<MapElement> map = State.getInstance().getMapInfo().queryElements(detailLevel, bounds, true); gl.glDisable(GL_TEXTURE_2D); gl.glColor3f(1, 1, 1); for (MapElement element : map) { if (element instanceof Street) { drawLine( gl, ((Street) element).getDrawingSize() / (float) Projection.getZoomFactor(detailLevel), ((Street) element).getNodes()); } } gl.glColor3f(0.3f, 0.3f, 0.3f); for (MapElement element : map) { if ((element instanceof Area) && (((Area) element).getWayInfo().isBuilding())) { gl.glBegin(GL_POLYGON); for (Node node : ((Area) element).getNodes()) { Coordinates pos = getLocalCoordinates(node.getPos()); gl.glVertex3f(pos.getLongitude(), pos.getLatitude(), 0f); } gl.glEnd(); } } gl.glEnable(GL_TEXTURE_2D); gl.glMatrixMode(GL.GL_PROJECTION); gl.glPopMatrix(); gl.glMatrixMode(GL.GL_MODELVIEW); gl.glPopAttrib(); gl.glPopMatrix(); gl.glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); gl.glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0); gl.glDeleteFramebuffersEXT(1, fbo, 0); gl.glDeleteRenderbuffersEXT(1, rba, 0); }
// Rendering public void draw(DrawContext dc) { GL gl = dc.getGL(); boolean attribsPushed = false; boolean modelviewPushed = false; boolean projectionPushed = false; try { gl.glPushAttrib( GL.GL_DEPTH_BUFFER_BIT | GL.GL_COLOR_BUFFER_BIT | GL.GL_ENABLE_BIT | GL.GL_TEXTURE_BIT | GL.GL_TRANSFORM_BIT | GL.GL_VIEWPORT_BIT | GL.GL_CURRENT_BIT); attribsPushed = true; gl.glDisable(GL.GL_TEXTURE_2D); // no textures gl.glEnable(GL.GL_BLEND); gl.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA); gl.glDisable(GL.GL_DEPTH_TEST); double width = this.size.width; double height = this.size.height; // Load a parallel projection with xy dimensions (viewportWidth, viewportHeight) // into the GL projection matrix. java.awt.Rectangle viewport = dc.getView().getViewport(); gl.glMatrixMode(javax.media.opengl.GL.GL_PROJECTION); gl.glPushMatrix(); projectionPushed = true; gl.glLoadIdentity(); double maxwh = width > height ? width : height; gl.glOrtho(0d, viewport.width, 0d, viewport.height, -0.6 * maxwh, 0.6 * maxwh); gl.glMatrixMode(GL.GL_MODELVIEW); gl.glPushMatrix(); modelviewPushed = true; gl.glLoadIdentity(); // Scale to a width x height space // located at the proper position on screen double scale = this.computeScale(viewport); Vec4 locationSW = this.computeLocation(viewport, scale); gl.glTranslated(locationSW.x(), locationSW.y(), locationSW.z()); gl.glScaled(scale, scale, 1); // Compute scale size in real world Position referencePosition = dc.getViewportCenterPosition(); if (referencePosition != null) { Vec4 groundTarget = dc.getGlobe().computePointFromPosition(referencePosition); Double distance = dc.getView().getEyePoint().distanceTo3(groundTarget); this.pixelSize = dc.getView().computePixelSizeAtDistance(distance); Double scaleSize = this.pixelSize * width * scale; // meter String unitLabel = "m"; if (this.unit.equals(UNIT_METRIC)) { if (scaleSize > 10000) { scaleSize /= 1000; unitLabel = "Km"; } } else if (this.unit.equals(UNIT_IMPERIAL)) { scaleSize *= 3.280839895; // feet unitLabel = "ft"; if (scaleSize > 5280) { scaleSize /= 5280; unitLabel = "mile(s)"; } } // Rounded division size int pot = (int) Math.floor(Math.log10(scaleSize)); if (!Double.isNaN(pot)) { int digit = Integer.parseInt(String.format("%.0f", scaleSize).substring(0, 1)); double divSize = digit * Math.pow(10, pot); if (digit >= 5) divSize = 5 * Math.pow(10, pot); else if (digit >= 2) divSize = 2 * Math.pow(10, pot); double divWidth = width * divSize / scaleSize; // Draw scale if (!dc.isPickingMode()) { // Set color using current layer opacity Color backColor = this.getBackgroundColor(this.color); float[] colorRGB = backColor.getRGBColorComponents(null); gl.glColor4d( colorRGB[0], colorRGB[1], colorRGB[2], (double) backColor.getAlpha() / 255d * this.getOpacity()); gl.glTranslated((width - divWidth) / 2, 0d, 0d); this.drawScale(dc, divWidth, height); colorRGB = this.color.getRGBColorComponents(null); gl.glColor4d(colorRGB[0], colorRGB[1], colorRGB[2], this.getOpacity()); gl.glTranslated(-1d / scale, 1d / scale, 0d); this.drawScale(dc, divWidth, height); // Draw label String label = String.format("%.0f ", divSize) + unitLabel; gl.glLoadIdentity(); gl.glDisable(GL.GL_CULL_FACE); drawLabel( dc, label, locationSW.add3( new Vec4(divWidth * scale / 2 + (width - divWidth) / 2, height * scale, 0))); } else { // Picking this.pickSupport.clearPickList(); this.pickSupport.beginPicking(dc); // Draw unique color across the map Color color = dc.getUniquePickColor(); int colorCode = color.getRGB(); // Add our object(s) to the pickable list this.pickSupport.addPickableObject(colorCode, this, referencePosition, false); gl.glColor3ub((byte) color.getRed(), (byte) color.getGreen(), (byte) color.getBlue()); gl.glTranslated((width - divWidth) / 2, 0d, 0d); this.drawRectangle(dc, divWidth, height); // Done picking this.pickSupport.endPicking(dc); this.pickSupport.resolvePick(dc, dc.getPickPoint(), this); } } } } finally { if (projectionPushed) { gl.glMatrixMode(GL.GL_PROJECTION); gl.glPopMatrix(); } if (modelviewPushed) { gl.glMatrixMode(GL.GL_MODELVIEW); gl.glPopMatrix(); } if (attribsPushed) gl.glPopAttrib(); } }