Java Code Examples for java.awt.Component#getGraphics()
The following examples show how to use
java.awt.Component#getGraphics() .
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Example 1
Source File: BufferedImageGraphicsConfig.java From dragonwell8_jdk with GNU General Public License v2.0 | 5 votes |
public BufferedImageGraphicsConfig(BufferedImage bufImg, Component comp) { if (comp == null) { this.gd = new BufferedImageDevice(this); } else { Graphics2D g2d = (Graphics2D)comp.getGraphics(); this.gd = g2d.getDeviceConfiguration().getDevice(); } this.model = bufImg.getColorModel(); this.raster = bufImg.getRaster().createCompatibleWritableRaster(1, 1); this.width = bufImg.getWidth(); this.height = bufImg.getHeight(); }
Example 2
Source File: BufferedImageGraphicsConfig.java From jdk8u-jdk with GNU General Public License v2.0 | 5 votes |
public BufferedImageGraphicsConfig(BufferedImage bufImg, Component comp) { if (comp == null) { this.gd = new BufferedImageDevice(this); } else { Graphics2D g2d = (Graphics2D)comp.getGraphics(); this.gd = g2d.getDeviceConfiguration().getDevice(); } this.model = bufImg.getColorModel(); this.raster = bufImg.getRaster().createCompatibleWritableRaster(1, 1); this.width = bufImg.getWidth(); this.height = bufImg.getHeight(); }
Example 3
Source File: AWTComponentRenderer.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 5 votes |
/** * Get the graphics context of the given component. * @param destination the AWT component used for rendering. * @return the graphics context of the given component. */ protected Graphics getGraphics(Component destination) { if (destination != null) { if (destination.getGraphics() != null) { return destination.getGraphics(); } else { System.out.println("AWT component "+destination.getClass().getSimpleName()+" does not provide 2D graphics capabilities."); return null; //throw new IllegalArgumentException("AWT component "+destination.getClass().getSimpleName()+" does not provide 2D graphics capabilities."); } } else { throw new NullPointerException("Component cannot be null."); } }
Example 4
Source File: BufferedImageGraphicsConfig.java From jdk8u60 with GNU General Public License v2.0 | 5 votes |
public BufferedImageGraphicsConfig(BufferedImage bufImg, Component comp) { if (comp == null) { this.gd = new BufferedImageDevice(this); } else { Graphics2D g2d = (Graphics2D)comp.getGraphics(); this.gd = g2d.getDeviceConfiguration().getDevice(); } this.model = bufImg.getColorModel(); this.raster = bufImg.getRaster().createCompatibleWritableRaster(1, 1); this.width = bufImg.getWidth(); this.height = bufImg.getHeight(); }
Example 5
Source File: BufferedImageGraphicsConfig.java From hottub with GNU General Public License v2.0 | 5 votes |
public BufferedImageGraphicsConfig(BufferedImage bufImg, Component comp) { if (comp == null) { this.gd = new BufferedImageDevice(this); } else { Graphics2D g2d = (Graphics2D)comp.getGraphics(); this.gd = g2d.getDeviceConfiguration().getDevice(); } this.model = bufImg.getColorModel(); this.raster = bufImg.getRaster().createCompatibleWritableRaster(1, 1); this.width = bufImg.getWidth(); this.height = bufImg.getHeight(); }
Example 6
Source File: BufferedImageGraphicsConfig.java From jdk8u-jdk with GNU General Public License v2.0 | 5 votes |
public BufferedImageGraphicsConfig(BufferedImage bufImg, Component comp) { if (comp == null) { this.gd = new BufferedImageDevice(this); } else { Graphics2D g2d = (Graphics2D)comp.getGraphics(); this.gd = g2d.getDeviceConfiguration().getDevice(); } this.model = bufImg.getColorModel(); this.raster = bufImg.getRaster().createCompatibleWritableRaster(1, 1); this.width = bufImg.getWidth(); this.height = bufImg.getHeight(); }
Example 7
Source File: BufferedImageGraphicsConfig.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 5 votes |
public BufferedImageGraphicsConfig(BufferedImage bufImg, Component comp) { if (comp == null) { this.gd = new BufferedImageDevice(this); } else { Graphics2D g2d = (Graphics2D)comp.getGraphics(); this.gd = g2d.getDeviceConfiguration().getDevice(); } this.model = bufImg.getColorModel(); this.raster = bufImg.getRaster().createCompatibleWritableRaster(1, 1); this.width = bufImg.getWidth(); this.height = bufImg.getHeight(); }
Example 8
Source File: BufferedImageGraphicsConfig.java From Bytecoder with Apache License 2.0 | 5 votes |
public BufferedImageGraphicsConfig(BufferedImage bufImg, Component comp, double scaleX, double scaleY) { if (comp == null) { device = new BufferedImageDevice(this); } else { Graphics2D g2d = (Graphics2D)comp.getGraphics(); device = g2d.getDeviceConfiguration().getDevice(); } this.model = bufImg.getColorModel(); this.raster = bufImg.getRaster().createCompatibleWritableRaster(1, 1); this.scaleX = scaleX; this.scaleY = scaleY; }
Example 9
Source File: RepaintArea.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
/** * Invokes paint and update on target Component with optimal * rectangular clip region. * If PAINT bounding rectangle is less than * MAX_BENEFIT_RATIO times the benefit, then the vertical and horizontal unions are * painted separately. Otherwise the entire bounding rectangle is painted. * * @param target Component to <code>paint</code> or <code>update</code> * @since 1.4 */ public void paint(Object target, boolean shouldClearRectBeforePaint) { Component comp = (Component)target; if (isEmpty()) { return; } if (!comp.isVisible()) { return; } RepaintArea ra = this.cloneAndReset(); if (!subtract(ra.paintRects[VERTICAL], ra.paintRects[HORIZONTAL])) { subtract(ra.paintRects[HORIZONTAL], ra.paintRects[VERTICAL]); } if (ra.paintRects[HORIZONTAL] != null && ra.paintRects[VERTICAL] != null) { Rectangle paintRect = ra.paintRects[HORIZONTAL].union(ra.paintRects[VERTICAL]); int square = paintRect.width * paintRect.height; int benefit = square - ra.paintRects[HORIZONTAL].width * ra.paintRects[HORIZONTAL].height - ra.paintRects[VERTICAL].width * ra.paintRects[VERTICAL].height; // if benefit is comparable with bounding box if (MAX_BENEFIT_RATIO * benefit < square) { ra.paintRects[HORIZONTAL] = paintRect; ra.paintRects[VERTICAL] = null; } } for (int i = 0; i < paintRects.length; i++) { if (ra.paintRects[i] != null && !ra.paintRects[i].isEmpty()) { // Should use separate Graphics for each paint() call, // since paint() can change Graphics state for next call. Graphics g = comp.getGraphics(); if (g != null) { try { g.setClip(ra.paintRects[i]); if (i == UPDATE) { updateComponent(comp, g); } else { if (shouldClearRectBeforePaint) { g.clearRect( ra.paintRects[i].x, ra.paintRects[i].y, ra.paintRects[i].width, ra.paintRects[i].height); } paintComponent(comp, g); } } finally { g.dispose(); } } } } }
Example 10
Source File: RepaintArea.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
/** * Invokes paint and update on target Component with optimal * rectangular clip region. * If PAINT bounding rectangle is less than * MAX_BENEFIT_RATIO times the benefit, then the vertical and horizontal unions are * painted separately. Otherwise the entire bounding rectangle is painted. * * @param target Component to <code>paint</code> or <code>update</code> * @since 1.4 */ public void paint(Object target, boolean shouldClearRectBeforePaint) { Component comp = (Component)target; if (isEmpty()) { return; } if (!comp.isVisible()) { return; } RepaintArea ra = this.cloneAndReset(); if (!subtract(ra.paintRects[VERTICAL], ra.paintRects[HORIZONTAL])) { subtract(ra.paintRects[HORIZONTAL], ra.paintRects[VERTICAL]); } if (ra.paintRects[HORIZONTAL] != null && ra.paintRects[VERTICAL] != null) { Rectangle paintRect = ra.paintRects[HORIZONTAL].union(ra.paintRects[VERTICAL]); int square = paintRect.width * paintRect.height; int benefit = square - ra.paintRects[HORIZONTAL].width * ra.paintRects[HORIZONTAL].height - ra.paintRects[VERTICAL].width * ra.paintRects[VERTICAL].height; // if benefit is comparable with bounding box if (MAX_BENEFIT_RATIO * benefit < square) { ra.paintRects[HORIZONTAL] = paintRect; ra.paintRects[VERTICAL] = null; } } for (int i = 0; i < paintRects.length; i++) { if (ra.paintRects[i] != null && !ra.paintRects[i].isEmpty()) { // Should use separate Graphics for each paint() call, // since paint() can change Graphics state for next call. Graphics g = comp.getGraphics(); if (g != null) { try { g.setClip(ra.paintRects[i]); if (i == UPDATE) { updateComponent(comp, g); } else { if (shouldClearRectBeforePaint) { g.clearRect( ra.paintRects[i].x, ra.paintRects[i].y, ra.paintRects[i].width, ra.paintRects[i].height); } paintComponent(comp, g); } } finally { g.dispose(); } } } } }
Example 11
Source File: RepaintArea.java From hottub with GNU General Public License v2.0 | 4 votes |
/** * Invokes paint and update on target Component with optimal * rectangular clip region. * If PAINT bounding rectangle is less than * MAX_BENEFIT_RATIO times the benefit, then the vertical and horizontal unions are * painted separately. Otherwise the entire bounding rectangle is painted. * * @param target Component to <code>paint</code> or <code>update</code> * @since 1.4 */ public void paint(Object target, boolean shouldClearRectBeforePaint) { Component comp = (Component)target; if (isEmpty()) { return; } if (!comp.isVisible()) { return; } RepaintArea ra = this.cloneAndReset(); if (!subtract(ra.paintRects[VERTICAL], ra.paintRects[HORIZONTAL])) { subtract(ra.paintRects[HORIZONTAL], ra.paintRects[VERTICAL]); } if (ra.paintRects[HORIZONTAL] != null && ra.paintRects[VERTICAL] != null) { Rectangle paintRect = ra.paintRects[HORIZONTAL].union(ra.paintRects[VERTICAL]); int square = paintRect.width * paintRect.height; int benefit = square - ra.paintRects[HORIZONTAL].width * ra.paintRects[HORIZONTAL].height - ra.paintRects[VERTICAL].width * ra.paintRects[VERTICAL].height; // if benefit is comparable with bounding box if (MAX_BENEFIT_RATIO * benefit < square) { ra.paintRects[HORIZONTAL] = paintRect; ra.paintRects[VERTICAL] = null; } } for (int i = 0; i < paintRects.length; i++) { if (ra.paintRects[i] != null && !ra.paintRects[i].isEmpty()) { // Should use separate Graphics for each paint() call, // since paint() can change Graphics state for next call. Graphics g = comp.getGraphics(); if (g != null) { try { g.setClip(ra.paintRects[i]); if (i == UPDATE) { updateComponent(comp, g); } else { if (shouldClearRectBeforePaint) { g.clearRect( ra.paintRects[i].x, ra.paintRects[i].y, ra.paintRects[i].width, ra.paintRects[i].height); } paintComponent(comp, g); } } finally { g.dispose(); } } } } }
Example 12
Source File: RepaintArea.java From jdk8u-jdk with GNU General Public License v2.0 | 4 votes |
/** * Invokes paint and update on target Component with optimal * rectangular clip region. * If PAINT bounding rectangle is less than * MAX_BENEFIT_RATIO times the benefit, then the vertical and horizontal unions are * painted separately. Otherwise the entire bounding rectangle is painted. * * @param target Component to <code>paint</code> or <code>update</code> * @since 1.4 */ public void paint(Object target, boolean shouldClearRectBeforePaint) { Component comp = (Component)target; if (isEmpty()) { return; } if (!comp.isVisible()) { return; } RepaintArea ra = this.cloneAndReset(); if (!subtract(ra.paintRects[VERTICAL], ra.paintRects[HORIZONTAL])) { subtract(ra.paintRects[HORIZONTAL], ra.paintRects[VERTICAL]); } if (ra.paintRects[HORIZONTAL] != null && ra.paintRects[VERTICAL] != null) { Rectangle paintRect = ra.paintRects[HORIZONTAL].union(ra.paintRects[VERTICAL]); int square = paintRect.width * paintRect.height; int benefit = square - ra.paintRects[HORIZONTAL].width * ra.paintRects[HORIZONTAL].height - ra.paintRects[VERTICAL].width * ra.paintRects[VERTICAL].height; // if benefit is comparable with bounding box if (MAX_BENEFIT_RATIO * benefit < square) { ra.paintRects[HORIZONTAL] = paintRect; ra.paintRects[VERTICAL] = null; } } for (int i = 0; i < paintRects.length; i++) { if (ra.paintRects[i] != null && !ra.paintRects[i].isEmpty()) { // Should use separate Graphics for each paint() call, // since paint() can change Graphics state for next call. Graphics g = comp.getGraphics(); if (g != null) { try { g.setClip(ra.paintRects[i]); if (i == UPDATE) { updateComponent(comp, g); } else { if (shouldClearRectBeforePaint) { g.clearRect( ra.paintRects[i].x, ra.paintRects[i].y, ra.paintRects[i].width, ra.paintRects[i].height); } paintComponent(comp, g); } } finally { g.dispose(); } } } } }
Example 13
Source File: RepaintArea.java From jdk8u-jdk with GNU General Public License v2.0 | 4 votes |
/** * Invokes paint and update on target Component with optimal * rectangular clip region. * If PAINT bounding rectangle is less than * MAX_BENEFIT_RATIO times the benefit, then the vertical and horizontal unions are * painted separately. Otherwise the entire bounding rectangle is painted. * * @param target Component to <code>paint</code> or <code>update</code> * @since 1.4 */ public void paint(Object target, boolean shouldClearRectBeforePaint) { Component comp = (Component)target; if (isEmpty()) { return; } if (!comp.isVisible()) { return; } RepaintArea ra = this.cloneAndReset(); if (!subtract(ra.paintRects[VERTICAL], ra.paintRects[HORIZONTAL])) { subtract(ra.paintRects[HORIZONTAL], ra.paintRects[VERTICAL]); } if (ra.paintRects[HORIZONTAL] != null && ra.paintRects[VERTICAL] != null) { Rectangle paintRect = ra.paintRects[HORIZONTAL].union(ra.paintRects[VERTICAL]); int square = paintRect.width * paintRect.height; int benefit = square - ra.paintRects[HORIZONTAL].width * ra.paintRects[HORIZONTAL].height - ra.paintRects[VERTICAL].width * ra.paintRects[VERTICAL].height; // if benefit is comparable with bounding box if (MAX_BENEFIT_RATIO * benefit < square) { ra.paintRects[HORIZONTAL] = paintRect; ra.paintRects[VERTICAL] = null; } } for (int i = 0; i < paintRects.length; i++) { if (ra.paintRects[i] != null && !ra.paintRects[i].isEmpty()) { // Should use separate Graphics for each paint() call, // since paint() can change Graphics state for next call. Graphics g = comp.getGraphics(); if (g != null) { try { g.setClip(ra.paintRects[i]); if (i == UPDATE) { updateComponent(comp, g); } else { if (shouldClearRectBeforePaint) { g.clearRect( ra.paintRects[i].x, ra.paintRects[i].y, ra.paintRects[i].width, ra.paintRects[i].height); } paintComponent(comp, g); } } finally { g.dispose(); } } } } }
Example 14
Source File: RepaintArea.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
/** * Invokes paint and update on target Component with optimal * rectangular clip region. * If PAINT bounding rectangle is less than * MAX_BENEFIT_RATIO times the benefit, then the vertical and horizontal unions are * painted separately. Otherwise the entire bounding rectangle is painted. * * @param target Component to {@code paint} or {@code update} * @since 1.4 */ public void paint(Object target, boolean shouldClearRectBeforePaint) { Component comp = (Component)target; if (isEmpty()) { return; } if (!comp.isVisible()) { return; } RepaintArea ra = this.cloneAndReset(); if (!subtract(ra.paintRects[VERTICAL], ra.paintRects[HORIZONTAL])) { subtract(ra.paintRects[HORIZONTAL], ra.paintRects[VERTICAL]); } if (ra.paintRects[HORIZONTAL] != null && ra.paintRects[VERTICAL] != null) { Rectangle paintRect = ra.paintRects[HORIZONTAL].union(ra.paintRects[VERTICAL]); int square = paintRect.width * paintRect.height; int benefit = square - ra.paintRects[HORIZONTAL].width * ra.paintRects[HORIZONTAL].height - ra.paintRects[VERTICAL].width * ra.paintRects[VERTICAL].height; // if benefit is comparable with bounding box if (MAX_BENEFIT_RATIO * benefit < square) { ra.paintRects[HORIZONTAL] = paintRect; ra.paintRects[VERTICAL] = null; } } for (int i = 0; i < paintRects.length; i++) { if (ra.paintRects[i] != null && !ra.paintRects[i].isEmpty()) { // Should use separate Graphics for each paint() call, // since paint() can change Graphics state for next call. Graphics g = comp.getGraphics(); if (g != null) { try { g.setClip(ra.paintRects[i]); if (i == UPDATE) { updateComponent(comp, g); } else { if (shouldClearRectBeforePaint) { g.clearRect( ra.paintRects[i].x, ra.paintRects[i].y, ra.paintRects[i].width, ra.paintRects[i].height); } paintComponent(comp, g); } } finally { g.dispose(); } } } } }
Example 15
Source File: RepaintArea.java From Bytecoder with Apache License 2.0 | 4 votes |
/** * Invokes paint and update on target Component with optimal * rectangular clip region. * If PAINT bounding rectangle is less than * MAX_BENEFIT_RATIO times the benefit, then the vertical and horizontal unions are * painted separately. Otherwise the entire bounding rectangle is painted. * * @param target Component to {@code paint} or {@code update} * @since 1.4 */ public void paint(Object target, boolean shouldClearRectBeforePaint) { Component comp = (Component)target; if (isEmpty()) { return; } if (!comp.isVisible()) { return; } RepaintArea ra = this.cloneAndReset(); if (!subtract(ra.paintRects[VERTICAL], ra.paintRects[HORIZONTAL])) { subtract(ra.paintRects[HORIZONTAL], ra.paintRects[VERTICAL]); } if (ra.paintRects[HORIZONTAL] != null && ra.paintRects[VERTICAL] != null) { Rectangle paintRect = ra.paintRects[HORIZONTAL].union(ra.paintRects[VERTICAL]); int square = paintRect.width * paintRect.height; int benefit = square - ra.paintRects[HORIZONTAL].width * ra.paintRects[HORIZONTAL].height - ra.paintRects[VERTICAL].width * ra.paintRects[VERTICAL].height; // if benefit is comparable with bounding box if (MAX_BENEFIT_RATIO * benefit < square) { ra.paintRects[HORIZONTAL] = paintRect; ra.paintRects[VERTICAL] = null; } } for (int i = 0; i < paintRects.length; i++) { if (ra.paintRects[i] != null && !ra.paintRects[i].isEmpty()) { // Should use separate Graphics for each paint() call, // since paint() can change Graphics state for next call. Graphics g = comp.getGraphics(); if (g != null) { try { g.setClip(ra.paintRects[i]); if (i == UPDATE) { updateComponent(comp, g); } else { if (shouldClearRectBeforePaint) { g.clearRect( ra.paintRects[i].x, ra.paintRects[i].y, ra.paintRects[i].width, ra.paintRects[i].height); } paintComponent(comp, g); } } finally { g.dispose(); } } } } }
Example 16
Source File: RepaintArea.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 4 votes |
/** * Invokes paint and update on target Component with optimal * rectangular clip region. * If PAINT bounding rectangle is less than * MAX_BENEFIT_RATIO times the benefit, then the vertical and horizontal unions are * painted separately. Otherwise the entire bounding rectangle is painted. * * @param target Component to <code>paint</code> or <code>update</code> * @since 1.4 */ public void paint(Object target, boolean shouldClearRectBeforePaint) { Component comp = (Component)target; if (isEmpty()) { return; } if (!comp.isVisible()) { return; } RepaintArea ra = this.cloneAndReset(); if (!subtract(ra.paintRects[VERTICAL], ra.paintRects[HORIZONTAL])) { subtract(ra.paintRects[HORIZONTAL], ra.paintRects[VERTICAL]); } if (ra.paintRects[HORIZONTAL] != null && ra.paintRects[VERTICAL] != null) { Rectangle paintRect = ra.paintRects[HORIZONTAL].union(ra.paintRects[VERTICAL]); int square = paintRect.width * paintRect.height; int benefit = square - ra.paintRects[HORIZONTAL].width * ra.paintRects[HORIZONTAL].height - ra.paintRects[VERTICAL].width * ra.paintRects[VERTICAL].height; // if benefit is comparable with bounding box if (MAX_BENEFIT_RATIO * benefit < square) { ra.paintRects[HORIZONTAL] = paintRect; ra.paintRects[VERTICAL] = null; } } for (int i = 0; i < paintRects.length; i++) { if (ra.paintRects[i] != null && !ra.paintRects[i].isEmpty()) { // Should use separate Graphics for each paint() call, // since paint() can change Graphics state for next call. Graphics g = comp.getGraphics(); if (g != null) { try { g.setClip(ra.paintRects[i]); if (i == UPDATE) { updateComponent(comp, g); } else { if (shouldClearRectBeforePaint) { g.clearRect( ra.paintRects[i].x, ra.paintRects[i].y, ra.paintRects[i].width, ra.paintRects[i].height); } paintComponent(comp, g); } } finally { g.dispose(); } } } } }
Example 17
Source File: RepaintArea.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 4 votes |
/** * Invokes paint and update on target Component with optimal * rectangular clip region. * If PAINT bounding rectangle is less than * MAX_BENEFIT_RATIO times the benefit, then the vertical and horizontal unions are * painted separately. Otherwise the entire bounding rectangle is painted. * * @param target Component to <code>paint</code> or <code>update</code> * @since 1.4 */ public void paint(Object target, boolean shouldClearRectBeforePaint) { Component comp = (Component)target; if (isEmpty()) { return; } if (!comp.isVisible()) { return; } RepaintArea ra = this.cloneAndReset(); if (!subtract(ra.paintRects[VERTICAL], ra.paintRects[HORIZONTAL])) { subtract(ra.paintRects[HORIZONTAL], ra.paintRects[VERTICAL]); } if (ra.paintRects[HORIZONTAL] != null && ra.paintRects[VERTICAL] != null) { Rectangle paintRect = ra.paintRects[HORIZONTAL].union(ra.paintRects[VERTICAL]); int square = paintRect.width * paintRect.height; int benefit = square - ra.paintRects[HORIZONTAL].width * ra.paintRects[HORIZONTAL].height - ra.paintRects[VERTICAL].width * ra.paintRects[VERTICAL].height; // if benefit is comparable with bounding box if (MAX_BENEFIT_RATIO * benefit < square) { ra.paintRects[HORIZONTAL] = paintRect; ra.paintRects[VERTICAL] = null; } } for (int i = 0; i < paintRects.length; i++) { if (ra.paintRects[i] != null && !ra.paintRects[i].isEmpty()) { // Should use separate Graphics for each paint() call, // since paint() can change Graphics state for next call. Graphics g = comp.getGraphics(); if (g != null) { try { g.setClip(ra.paintRects[i]); if (i == UPDATE) { updateComponent(comp, g); } else { if (shouldClearRectBeforePaint) { g.clearRect( ra.paintRects[i].x, ra.paintRects[i].y, ra.paintRects[i].width, ra.paintRects[i].height); } paintComponent(comp, g); } } finally { g.dispose(); } } } } }
Example 18
Source File: RepaintArea.java From openjdk-jdk8u with GNU General Public License v2.0 | 4 votes |
/** * Invokes paint and update on target Component with optimal * rectangular clip region. * If PAINT bounding rectangle is less than * MAX_BENEFIT_RATIO times the benefit, then the vertical and horizontal unions are * painted separately. Otherwise the entire bounding rectangle is painted. * * @param target Component to <code>paint</code> or <code>update</code> * @since 1.4 */ public void paint(Object target, boolean shouldClearRectBeforePaint) { Component comp = (Component)target; if (isEmpty()) { return; } if (!comp.isVisible()) { return; } RepaintArea ra = this.cloneAndReset(); if (!subtract(ra.paintRects[VERTICAL], ra.paintRects[HORIZONTAL])) { subtract(ra.paintRects[HORIZONTAL], ra.paintRects[VERTICAL]); } if (ra.paintRects[HORIZONTAL] != null && ra.paintRects[VERTICAL] != null) { Rectangle paintRect = ra.paintRects[HORIZONTAL].union(ra.paintRects[VERTICAL]); int square = paintRect.width * paintRect.height; int benefit = square - ra.paintRects[HORIZONTAL].width * ra.paintRects[HORIZONTAL].height - ra.paintRects[VERTICAL].width * ra.paintRects[VERTICAL].height; // if benefit is comparable with bounding box if (MAX_BENEFIT_RATIO * benefit < square) { ra.paintRects[HORIZONTAL] = paintRect; ra.paintRects[VERTICAL] = null; } } for (int i = 0; i < paintRects.length; i++) { if (ra.paintRects[i] != null && !ra.paintRects[i].isEmpty()) { // Should use separate Graphics for each paint() call, // since paint() can change Graphics state for next call. Graphics g = comp.getGraphics(); if (g != null) { try { g.setClip(ra.paintRects[i]); if (i == UPDATE) { updateComponent(comp, g); } else { if (shouldClearRectBeforePaint) { g.clearRect( ra.paintRects[i].x, ra.paintRects[i].y, ra.paintRects[i].width, ra.paintRects[i].height); } paintComponent(comp, g); } } finally { g.dispose(); } } } } }
Example 19
Source File: RepaintArea.java From jdk8u60 with GNU General Public License v2.0 | 4 votes |
/** * Invokes paint and update on target Component with optimal * rectangular clip region. * If PAINT bounding rectangle is less than * MAX_BENEFIT_RATIO times the benefit, then the vertical and horizontal unions are * painted separately. Otherwise the entire bounding rectangle is painted. * * @param target Component to <code>paint</code> or <code>update</code> * @since 1.4 */ public void paint(Object target, boolean shouldClearRectBeforePaint) { Component comp = (Component)target; if (isEmpty()) { return; } if (!comp.isVisible()) { return; } RepaintArea ra = this.cloneAndReset(); if (!subtract(ra.paintRects[VERTICAL], ra.paintRects[HORIZONTAL])) { subtract(ra.paintRects[HORIZONTAL], ra.paintRects[VERTICAL]); } if (ra.paintRects[HORIZONTAL] != null && ra.paintRects[VERTICAL] != null) { Rectangle paintRect = ra.paintRects[HORIZONTAL].union(ra.paintRects[VERTICAL]); int square = paintRect.width * paintRect.height; int benefit = square - ra.paintRects[HORIZONTAL].width * ra.paintRects[HORIZONTAL].height - ra.paintRects[VERTICAL].width * ra.paintRects[VERTICAL].height; // if benefit is comparable with bounding box if (MAX_BENEFIT_RATIO * benefit < square) { ra.paintRects[HORIZONTAL] = paintRect; ra.paintRects[VERTICAL] = null; } } for (int i = 0; i < paintRects.length; i++) { if (ra.paintRects[i] != null && !ra.paintRects[i].isEmpty()) { // Should use separate Graphics for each paint() call, // since paint() can change Graphics state for next call. Graphics g = comp.getGraphics(); if (g != null) { try { g.setClip(ra.paintRects[i]); if (i == UPDATE) { updateComponent(comp, g); } else { if (shouldClearRectBeforePaint) { g.clearRect( ra.paintRects[i].x, ra.paintRects[i].y, ra.paintRects[i].width, ra.paintRects[i].height); } paintComponent(comp, g); } } finally { g.dispose(); } } } } }
Example 20
Source File: RepaintArea.java From TencentKona-8 with GNU General Public License v2.0 | 4 votes |
/** * Invokes paint and update on target Component with optimal * rectangular clip region. * If PAINT bounding rectangle is less than * MAX_BENEFIT_RATIO times the benefit, then the vertical and horizontal unions are * painted separately. Otherwise the entire bounding rectangle is painted. * * @param target Component to <code>paint</code> or <code>update</code> * @since 1.4 */ public void paint(Object target, boolean shouldClearRectBeforePaint) { Component comp = (Component)target; if (isEmpty()) { return; } if (!comp.isVisible()) { return; } RepaintArea ra = this.cloneAndReset(); if (!subtract(ra.paintRects[VERTICAL], ra.paintRects[HORIZONTAL])) { subtract(ra.paintRects[HORIZONTAL], ra.paintRects[VERTICAL]); } if (ra.paintRects[HORIZONTAL] != null && ra.paintRects[VERTICAL] != null) { Rectangle paintRect = ra.paintRects[HORIZONTAL].union(ra.paintRects[VERTICAL]); int square = paintRect.width * paintRect.height; int benefit = square - ra.paintRects[HORIZONTAL].width * ra.paintRects[HORIZONTAL].height - ra.paintRects[VERTICAL].width * ra.paintRects[VERTICAL].height; // if benefit is comparable with bounding box if (MAX_BENEFIT_RATIO * benefit < square) { ra.paintRects[HORIZONTAL] = paintRect; ra.paintRects[VERTICAL] = null; } } for (int i = 0; i < paintRects.length; i++) { if (ra.paintRects[i] != null && !ra.paintRects[i].isEmpty()) { // Should use separate Graphics for each paint() call, // since paint() can change Graphics state for next call. Graphics g = comp.getGraphics(); if (g != null) { try { g.setClip(ra.paintRects[i]); if (i == UPDATE) { updateComponent(comp, g); } else { if (shouldClearRectBeforePaint) { g.clearRect( ra.paintRects[i].x, ra.paintRects[i].y, ra.paintRects[i].width, ra.paintRects[i].height); } paintComponent(comp, g); } } finally { g.dispose(); } } } } }