Java Code Examples for java.awt.image.ImageObserver#HEIGHT

The following examples show how to use java.awt.image.ImageObserver#HEIGHT . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: MultiResolutionImageTest.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 6 votes vote down vote up 
@Override
public boolean imageUpdate(Image img, int infoflags, int x, int y, int width, int height) {

    if (image != img) {
        throw new RuntimeException("Original image is not passed to the observer");
    }

    if ((infoflags & ImageObserver.WIDTH) != 0) {
        if (width != IMAGE_WIDTH) {
            throw new RuntimeException("Original width is not passed to the observer");
        }
    }

    if ((infoflags & ImageObserver.HEIGHT) != 0) {
        if (height != IMAGE_HEIGHT) {
            throw new RuntimeException("Original height is not passed to the observer");
        }
    }

    return (infoflags & ALLBITS) == 0;
}
Example 2
Source File: ImageRepresentation.java    From jdk8u_jdk with GNU General Public License v2.0 6 votes vote down vote up 
public void setDimensions(int w, int h) {
    if (src != null) {
        src.checkSecurity(null, false);
    }

    image.setDimensions(w, h);

    newInfo(image, (ImageObserver.WIDTH | ImageObserver.HEIGHT),
            0, 0, w, h);

    if (w <= 0 || h <= 0) {
        imageComplete(ImageConsumer.IMAGEERROR);
        return;
    }

    if (width != w || height != h) {
        // dimension mismatch => trigger recreation of the buffer
        bimage = null;
    }

    width = w;
    height = h;

    availinfo |= ImageObserver.WIDTH | ImageObserver.HEIGHT;
}
Example 3
Source File: ImageRepresentation.java    From TencentKona-8 with GNU General Public License v2.0 6 votes vote down vote up 
public void setDimensions(int w, int h) {
    if (src != null) {
        src.checkSecurity(null, false);
    }

    image.setDimensions(w, h);

    newInfo(image, (ImageObserver.WIDTH | ImageObserver.HEIGHT),
            0, 0, w, h);

    if (w <= 0 || h <= 0) {
        imageComplete(ImageConsumer.IMAGEERROR);
        return;
    }

    if (width != w || height != h) {
        // dimension mismatch => trigger recreation of the buffer
        bimage = null;
    }

    width = w;
    height = h;

    availinfo |= ImageObserver.WIDTH | ImageObserver.HEIGHT;
}
Example 4
Source File: MultiResolutionImageTest.java    From hottub with GNU General Public License v2.0 6 votes vote down vote up 
@Override
public boolean imageUpdate(Image img, int infoflags, int x, int y, int width, int height) {

    if (image != img) {
        throw new RuntimeException("Original image is not passed to the observer");
    }

    if ((infoflags & ImageObserver.WIDTH) != 0) {
        if (width != IMAGE_WIDTH) {
            throw new RuntimeException("Original width is not passed to the observer");
        }
    }

    if ((infoflags & ImageObserver.HEIGHT) != 0) {
        if (height != IMAGE_HEIGHT) {
            throw new RuntimeException("Original height is not passed to the observer");
        }
    }

    return (infoflags & ALLBITS) == 0;
}
Example 5
Source File: ToolkitImage.java    From openjdk-jdk8u with GNU General Public License v2.0 5 votes vote down vote up 
public int check(ImageObserver iw) {
    if (src != null) {
        src.checkSecurity(null, false);
    }
    if ((availinfo & ImageObserver.ERROR) == 0 &&
        ((~availinfo) & (ImageObserver.WIDTH |
                         ImageObserver.HEIGHT |
                         ImageObserver.PROPERTIES)) != 0) {
        addWatcher(iw, false);
    }
    return availinfo;
}
Example 6
Source File: ToolkitImage.java    From jdk8u_jdk with GNU General Public License v2.0 5 votes vote down vote up 
public int check(ImageObserver iw) {
    if (src != null) {
        src.checkSecurity(null, false);
    }
    if ((availinfo & ImageObserver.ERROR) == 0 &&
        ((~availinfo) & (ImageObserver.WIDTH |
                         ImageObserver.HEIGHT |
                         ImageObserver.PROPERTIES)) != 0) {
        addWatcher(iw, false);
    }
    return availinfo;
}
Example 7
Source File: ToolkitImage.java    From openjdk-8 with GNU General Public License v2.0 5 votes vote down vote up 
synchronized void infoDone(int status) {
    if (status == ImageConsumer.IMAGEERROR ||
        ((~availinfo) & (ImageObserver.WIDTH |
                         ImageObserver.HEIGHT)) != 0) {
        addInfo(ImageObserver.ERROR);
    } else if ((availinfo & ImageObserver.PROPERTIES) == 0) {
        setProperties(null);
    }
}
Example 8
Source File: ToolkitImage.java    From jdk8u_jdk with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Return the height of the original image source.
 * If the height isn't known, then the ImageObserver object will be
 * notified when the data is available.
 */
public synchronized int getHeight(ImageObserver iw) {
    if (src != null) {
        src.checkSecurity(null, false);
    }
    if ((availinfo & ImageObserver.HEIGHT) == 0) {
        addWatcher(iw, true);
        if ((availinfo & ImageObserver.HEIGHT) == 0) {
            return -1;
        }
    }
    return height;
}
Example 9
Source File: ToolkitImage.java    From openjdk-8 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Return the height of the original image source.
 * If the height isn't known, then the image is reconstructed.
 */
public int getHeight() {
    if (src != null) {
        src.checkSecurity(null, false);
    }
    if ((availinfo & ImageObserver.HEIGHT) == 0) {
        reconstruct(ImageObserver.HEIGHT);
    }
    return height;
}
Example 10
Source File: ToolkitImage.java    From TencentKona-8 with GNU General Public License v2.0 5 votes vote down vote up 
public int check(ImageObserver iw) {
    if (src != null) {
        src.checkSecurity(null, false);
    }
    if ((availinfo & ImageObserver.ERROR) == 0 &&
        ((~availinfo) & (ImageObserver.WIDTH |
                         ImageObserver.HEIGHT |
                         ImageObserver.PROPERTIES)) != 0) {
        addWatcher(iw, false);
    }
    return availinfo;
}
Example 11
Source File: ToolkitImage.java    From openjdk-jdk9 with GNU General Public License v2.0 5 votes vote down vote up 
public int check(ImageObserver iw) {
    if (src != null) {
        src.checkSecurity(null, false);
    }
    if ((availinfo & ImageObserver.ERROR) == 0 &&
        ((~availinfo) & (ImageObserver.WIDTH |
                         ImageObserver.HEIGHT |
                         ImageObserver.PROPERTIES)) != 0) {
        addWatcher(iw, false);
    }
    return availinfo;
}
Example 12
Source File: ToolkitImage.java    From jdk8u60 with GNU General Public License v2.0 5 votes vote down vote up 
synchronized void infoDone(int status) {
    if (status == ImageConsumer.IMAGEERROR ||
        ((~availinfo) & (ImageObserver.WIDTH |
                         ImageObserver.HEIGHT)) != 0) {
        addInfo(ImageObserver.ERROR);
    } else if ((availinfo & ImageObserver.PROPERTIES) == 0) {
        setProperties(null);
    }
}
Example 13
Source File: ToolkitImage.java    From jdk8u-jdk with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Return the height of the original image source.
 * If the height isn't known, then the ImageObserver object will be
 * notified when the data is available.
 */
public synchronized int getHeight(ImageObserver iw) {
    if (src != null) {
        src.checkSecurity(null, false);
    }
    if ((availinfo & ImageObserver.HEIGHT) == 0) {
        addWatcher(iw, true);
        if ((availinfo & ImageObserver.HEIGHT) == 0) {
            return -1;
        }
    }
    return height;
}
Example 14
Source File: ToolkitImage.java    From dragonwell8_jdk with GNU General Public License v2.0 5 votes vote down vote up 
public int check(ImageObserver iw) {
    if (src != null) {
        src.checkSecurity(null, false);
    }
    if ((availinfo & ImageObserver.ERROR) == 0 &&
        ((~availinfo) & (ImageObserver.WIDTH |
                         ImageObserver.HEIGHT |
                         ImageObserver.PROPERTIES)) != 0) {
        addWatcher(iw, false);
    }
    return availinfo;
}
Example 15
Source File: MultiResolutionToolkitImage.java    From jdk8u_jdk with GNU General Public License v2.0 4 votes vote down vote up 
public static ImageObserver getResolutionVariantObserver(
        final Image image, final ImageObserver observer,
        final int imgWidth, final int imgHeight,
        final int rvWidth, final int rvHeight, boolean concatenateInfo) {

    if (observer == null) {
        return null;
    }

    synchronized (ObserverCache.INSTANCE) {
        ImageObserver o = (ImageObserver) ObserverCache.INSTANCE.get(observer);

        if (o == null) {

            o = (Image resolutionVariant, int flags,
                    int x, int y, int width, int height) -> {

                        if ((flags & (ImageObserver.WIDTH | BITS_INFO)) != 0) {
                            width = (width + 1) / 2;
                        }

                        if ((flags & (ImageObserver.HEIGHT | BITS_INFO)) != 0) {
                            height = (height + 1) / 2;
                        }

                        if ((flags & BITS_INFO) != 0) {
                            x /= 2;
                            y /= 2;
                        }

                        if(concatenateInfo){
                            flags &= ((ToolkitImage) image).
                                    getImageRep().check(null);
                        }

                        return observer.imageUpdate(
                                image, flags, x, y, width, height);
                    };

            ObserverCache.INSTANCE.put(observer, o);
        }
        return o;
    }
}
Example 16
Source File: MultiResolutionToolkitImage.java    From jdk8u60 with GNU General Public License v2.0 4 votes vote down vote up 
public static ImageObserver getResolutionVariantObserver(
        final Image image, final ImageObserver observer,
        final int imgWidth, final int imgHeight,
        final int rvWidth, final int rvHeight, boolean concatenateInfo) {

    if (observer == null) {
        return null;
    }

    synchronized (ObserverCache.INSTANCE) {
        ImageObserver o = (ImageObserver) ObserverCache.INSTANCE.get(observer);

        if (o == null) {

            o = (Image resolutionVariant, int flags,
                    int x, int y, int width, int height) -> {

                        if ((flags & (ImageObserver.WIDTH | BITS_INFO)) != 0) {
                            width = (width + 1) / 2;
                        }

                        if ((flags & (ImageObserver.HEIGHT | BITS_INFO)) != 0) {
                            height = (height + 1) / 2;
                        }

                        if ((flags & BITS_INFO) != 0) {
                            x /= 2;
                            y /= 2;
                        }

                        if(concatenateInfo){
                            flags &= ((ToolkitImage) image).
                                    getImageRep().check(null);
                        }

                        return observer.imageUpdate(
                                image, flags, x, y, width, height);
                    };

            ObserverCache.INSTANCE.put(observer, o);
        }
        return o;
    }
}
Example 17
Source File: ImageView.java    From openjdk-8-source with GNU General Public License v2.0 4 votes vote down vote up 
public boolean imageUpdate(Image img, int flags, int x, int y,
                           int newWidth, int newHeight ) {
    if (img != image && img != disabledImage ||
        image == null || getParent() == null) {

        return false;
    }

    // Bail out if there was an error:
    if ((flags & (ABORT|ERROR)) != 0) {
        repaint(0);
        synchronized(ImageView.this) {
            if (image == img) {
                // Be sure image hasn't changed since we don't
                // initialy synchronize
                image = null;
                if ((state & WIDTH_FLAG) != WIDTH_FLAG) {
                    width = DEFAULT_WIDTH;
                }
                if ((state & HEIGHT_FLAG) != HEIGHT_FLAG) {
                    height = DEFAULT_HEIGHT;
                }
            } else {
                disabledImage = null;
            }
            if ((state & LOADING_FLAG) == LOADING_FLAG) {
                // No need to resize or repaint, still in the process
                // of loading.
                return false;
            }
        }
        updateAltTextView();
        safePreferenceChanged();
        return false;
    }

    if (image == img) {
        // Resize image if necessary:
        short changed = 0;
        if ((flags & ImageObserver.HEIGHT) != 0 && !getElement().
              getAttributes().isDefined(HTML.Attribute.HEIGHT)) {
            changed |= 1;
        }
        if ((flags & ImageObserver.WIDTH) != 0 && !getElement().
              getAttributes().isDefined(HTML.Attribute.WIDTH)) {
            changed |= 2;
        }

        synchronized(ImageView.this) {
            if ((changed & 1) == 1 && (state & WIDTH_FLAG) == 0) {
                width = newWidth;
            }
            if ((changed & 2) == 2 && (state & HEIGHT_FLAG) == 0) {
                height = newHeight;
            }
            if ((state & LOADING_FLAG) == LOADING_FLAG) {
                // No need to resize or repaint, still in the process of
                // loading.
                return true;
            }
        }
        if (changed != 0) {
            // May need to resize myself, asynchronously:
            safePreferenceChanged();
            return true;
        }
    }

    // Repaint when done or when new pixels arrive:
    if ((flags & (FRAMEBITS|ALLBITS)) != 0) {
        repaint(0);
    }
    else if ((flags & SOMEBITS) != 0 && sIsInc) {
        repaint(sIncRate);
    }
    return ((flags & ALLBITS) == 0);
}
Example 18
Source File: ImageView.java    From hottub with GNU General Public License v2.0 4 votes vote down vote up 
public boolean imageUpdate(Image img, int flags, int x, int y,
                           int newWidth, int newHeight ) {
    if (img != image && img != disabledImage ||
        image == null || getParent() == null) {

        return false;
    }

    // Bail out if there was an error:
    if ((flags & (ABORT|ERROR)) != 0) {
        repaint(0);
        synchronized(ImageView.this) {
            if (image == img) {
                // Be sure image hasn't changed since we don't
                // initialy synchronize
                image = null;
                if ((state & WIDTH_FLAG) != WIDTH_FLAG) {
                    width = DEFAULT_WIDTH;
                }
                if ((state & HEIGHT_FLAG) != HEIGHT_FLAG) {
                    height = DEFAULT_HEIGHT;
                }
            } else {
                disabledImage = null;
            }
            if ((state & LOADING_FLAG) == LOADING_FLAG) {
                // No need to resize or repaint, still in the process
                // of loading.
                return false;
            }
        }
        updateAltTextView();
        safePreferenceChanged();
        return false;
    }

    if (image == img) {
        // Resize image if necessary:
        short changed = 0;
        if ((flags & ImageObserver.HEIGHT) != 0 && !getElement().
              getAttributes().isDefined(HTML.Attribute.HEIGHT)) {
            changed |= 1;
        }
        if ((flags & ImageObserver.WIDTH) != 0 && !getElement().
              getAttributes().isDefined(HTML.Attribute.WIDTH)) {
            changed |= 2;
        }

        synchronized(ImageView.this) {
            if ((changed & 1) == 1 && (state & WIDTH_FLAG) == 0) {
                width = newWidth;
            }
            if ((changed & 2) == 2 && (state & HEIGHT_FLAG) == 0) {
                height = newHeight;
            }
            if ((state & LOADING_FLAG) == LOADING_FLAG) {
                // No need to resize or repaint, still in the process of
                // loading.
                return true;
            }
        }
        if (changed != 0) {
            // May need to resize myself, asynchronously:
            safePreferenceChanged();
            return true;
        }
    }

    // Repaint when done or when new pixels arrive:
    if ((flags & (FRAMEBITS|ALLBITS)) != 0) {
        repaint(0);
    }
    else if ((flags & SOMEBITS) != 0 && sIsInc) {
        repaint(sIncRate);
    }
    return ((flags & ALLBITS) == 0);
}
Example 19
Source File: ImageView.java    From Bytecoder with Apache License 2.0 4 votes vote down vote up 
public boolean imageUpdate(Image img, int flags, int x, int y,
                           int newWidth, int newHeight ) {
    if (img != image && img != disabledImage ||
        image == null || getParent() == null) {

        return false;
    }

    // Bail out if there was an error:
    if ((flags & (ABORT|ERROR)) != 0) {
        repaint(0);
        synchronized(ImageView.this) {
            if (image == img) {
                // Be sure image hasn't changed since we don't
                // initialy synchronize
                image = null;
                if ((state & WIDTH_FLAG) != WIDTH_FLAG) {
                    width = DEFAULT_WIDTH;
                }
                if ((state & HEIGHT_FLAG) != HEIGHT_FLAG) {
                    height = DEFAULT_HEIGHT;
                }
            } else {
                disabledImage = null;
            }
            if ((state & LOADING_FLAG) == LOADING_FLAG) {
                // No need to resize or repaint, still in the process
                // of loading.
                return false;
            }
        }
        updateAltTextView();
        safePreferenceChanged();
        return false;
    }

    if (image == img) {
        // Resize image if necessary:
        short changed = 0;
        if ((flags & ImageObserver.HEIGHT) != 0 && !getElement().
              getAttributes().isDefined(HTML.Attribute.HEIGHT)) {
            changed |= 1;
        }
        if ((flags & ImageObserver.WIDTH) != 0 && !getElement().
              getAttributes().isDefined(HTML.Attribute.WIDTH)) {
            changed |= 2;
        }

        /**
         * If the image properties (height and width) have been loaded,
         * then figure out if scaling is necessary based on the
         * specified HTML attributes.
         */
        if (((flags & ImageObserver.HEIGHT) != 0) &&
            ((flags & ImageObserver.WIDTH) != 0)) {
                Dimension d = adjustWidthHeight(newWidth, newHeight);
                newWidth = d.width;
                newHeight = d.height;
                changed |= 3;
        }
        synchronized(ImageView.this) {
            if ((changed & 1) == 1 && (state & HEIGHT_FLAG) == 0) {
                height = newHeight;
            }
            if ((changed & 2) == 2 && (state & WIDTH_FLAG) == 0) {
                width = newWidth;
            }
            if ((state & LOADING_FLAG) == LOADING_FLAG) {
                // No need to resize or repaint, still in the process of
                // loading.
                return true;
            }
        }
        if (changed != 0) {
            // May need to resize myself, asynchronously:
            safePreferenceChanged();
            return true;
        }
    }

    // Repaint when done or when new pixels arrive:
    if ((flags & (FRAMEBITS|ALLBITS)) != 0) {
        repaint(0);
    }
    else if ((flags & SOMEBITS) != 0 && sIsInc) {
        repaint(sIncRate);
    }
    return ((flags & ALLBITS) == 0);
}
Example 20
Source File: MultiResolutionToolkitImage.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 4 votes vote down vote up 
public static ImageObserver getResolutionVariantObserver(
        final Image image, final ImageObserver observer,
        final int imgWidth, final int imgHeight,
        final int rvWidth, final int rvHeight, boolean concatenateInfo) {

    if (observer == null) {
        return null;
    }

    synchronized (ObserverCache.INSTANCE) {
        ImageObserver o = (ImageObserver) ObserverCache.INSTANCE.get(observer);

        if (o == null) {

            o = (Image resolutionVariant, int flags,
                    int x, int y, int width, int height) -> {

                        if ((flags & (ImageObserver.WIDTH | BITS_INFO)) != 0) {
                            width = (width + 1) / 2;
                        }

                        if ((flags & (ImageObserver.HEIGHT | BITS_INFO)) != 0) {
                            height = (height + 1) / 2;
                        }

                        if ((flags & BITS_INFO) != 0) {
                            x /= 2;
                            y /= 2;
                        }

                        if(concatenateInfo){
                            flags &= ((ToolkitImage) image).
                                    getImageRep().check(null);
                        }

                        return observer.imageUpdate(
                                image, flags, x, y, width, height);
                    };

            ObserverCache.INSTANCE.put(observer, o);
        }
        return o;
    }
}