X-Git-Url: http://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=tim%2Fprune%2Fgui%2FPhotoThumbnail.java;h=101f1a39c64aefcada6069c146765d4938ce3f34;hp=2ad22fa3a36e00be8979a2b23281490211e7618f;hb=1ee49ae3c8ef3aa2e63eadd458531e5f8bd4f92c;hpb=112bb0c9b46894adca9a33ed8c99ea712b253185 diff --git a/tim/prune/gui/PhotoThumbnail.java b/tim/prune/gui/PhotoThumbnail.java index 2ad22fa..101f1a3 100644 --- a/tim/prune/gui/PhotoThumbnail.java +++ b/tim/prune/gui/PhotoThumbnail.java @@ -18,11 +18,9 @@ public class PhotoThumbnail extends JPanel implements Runnable { private Photo _photo = null; private BufferedImage _thumbnail = null; - private int _lastWidth = -1; - private int _lastHeight = -1; private boolean _loadingImage = false; /** String to show before photo is loaded */ - private static final String _loadingString = I18nManager.getText("details.photo.loading") + " ..."; + private static final String LOADING_STRING = I18nManager.getText("details.photo.loading") + " ..."; /** @@ -30,7 +28,6 @@ public class PhotoThumbnail extends JPanel implements Runnable */ public PhotoThumbnail() { - // TODO: Make size of thumbnail dynamic, as big as it can be setOpaque(true); } @@ -42,11 +39,19 @@ public class PhotoThumbnail extends JPanel implements Runnable public void setPhoto(Photo inPhoto) { // Check whether the photo has changed - if (_photo == inPhoto) {return;} - _photo = inPhoto; - _thumbnail = null; + if (_photo != inPhoto) { + _photo = inPhoto; + _thumbnail = null; + } + repaint(); } + /** + * Force a refresh / reload + */ + public void refresh() { + _thumbnail = null; + } /** * Override paint method @@ -57,29 +62,34 @@ public class PhotoThumbnail extends JPanel implements Runnable super.paint(inG); if (_photo != null) { - // recalculate thumbnail if photo has changed - if (_thumbnail == null || getWidth() != _lastWidth || getHeight() != _lastHeight) + // read thumbnail in separate thread + if (_thumbnail == null && !_loadingImage) { - // initiate load if not already started - if (!_loadingImage) - { - _loadingImage = true; - new Thread(this).start(); - } + _loadingImage = true; + new Thread(this).start(); } - // Set width and height - _lastWidth = getWidth(); - _lastHeight = getHeight(); - // if loading, display image + // if loading, display message if (_loadingImage) { inG.setColor(Color.BLACK); - inG.drawString(_loadingString, 10, 30); + inG.drawString(LOADING_STRING, 10, 30); } else { - // Copy scaled, smoothed image onto the screen - inG.drawImage(_thumbnail, 0, 0, _thumbnail.getWidth(), _thumbnail.getHeight(), null); + // Copy scaled, smoothed (and rotated) image into scaled + int usableWidth = getParent().getWidth()-10; + Image scaled = ImageUtils.rotateImage(_thumbnail, usableWidth, usableWidth, _photo.getRotationDegrees()); + int scaleWidth = scaled.getWidth(null); + int scaleHeight = scaled.getHeight(null); + // Draw scaled / rotated image to component + int horizOffset = (getWidth() - scaleWidth) / 2; + int vertOffset = (getHeight() - scaleHeight) / 2; + inG.drawImage(scaled, horizOffset, vertOffset, scaleWidth, scaleHeight, null); + if (getHeight() < getWidth()) + { + setPreferredSize(new Dimension(usableWidth, usableWidth)); + invalidate(); + } } } } @@ -104,24 +114,15 @@ public class PhotoThumbnail extends JPanel implements Runnable int picHeight = _photo.getHeight(); if (picWidth > -1 && picHeight > -1) { - int displayWidth = Math.min(getWidth(), getParent().getWidth()); - int displayHeight = Math.min(getHeight(), getParent().getHeight()); - + // Just set a "reasonable" thumbnail size for now + final int DEFAULT_THUMB_SIZE = 400; // calculate maximum thumbnail size - Dimension thumbSize = ImageUtils.getThumbnailSize(picWidth, picHeight, displayWidth, displayHeight); - // Work out if need to remake image - boolean needToRemake = (_thumbnail == null) - || _thumbnail.getWidth() != thumbSize.width || _thumbnail.getHeight() != thumbSize.height; - if (thumbSize.width > 0 && thumbSize.height > 0 && needToRemake) - { - // Make icon to load image into - Image image = new ImageIcon(_photo.getFile().getAbsolutePath()).getImage(); - // save scaled, smoothed thumbnail for reuse - _thumbnail = ImageUtils.createScaledImage(image, thumbSize.width, thumbSize.height); - image = null; - // TODO: Calculate and set size of thumbnail here - // setPreferredSize(new Dimension(200, 200)); - } + Dimension thumbSize = ImageUtils.getThumbnailSize(picWidth, picHeight, DEFAULT_THUMB_SIZE, DEFAULT_THUMB_SIZE); + // Make icon to load image into + Image image = new ImageIcon(_photo.getFile().getAbsolutePath()).getImage(); + // save scaled, smoothed thumbnail for reuse + _thumbnail = ImageUtils.createScaledImage(image, thumbSize.width, thumbSize.height); + image = null; } } _loadingImage = false;