private <T> T scaleImageUsingAffineTransformation(final BufferedImage bufferedImage, T target) {
BufferedImage destinationImage = generateDestinationImage();
Graphics2D graphics2D = destinationImage.createGraphics();
AffineTransform transformation =
AffineTransform.getScaleInstance(
((double) getQualifiedWidth() / bufferedImage.getWidth()),
((double) getQualifiedHeight() / bufferedImage.getHeight()));
graphics2D.drawRenderedImage(bufferedImage, transformation);
graphics2D.addRenderingHints(retrieveRenderingHints());
try {
if (target instanceof File) {
LOGGER.info(String.format(M_TARGET_TYPE_OF, "File"));
ImageIO.write(destinationImage, imageType.toString(), (File) target);
} else if (target instanceof ImageOutputStream) {
LOGGER.info(String.format(M_TARGET_TYPE_OF, "ImageOutputStream"));
ImageIO.write(destinationImage, imageType.toString(), (ImageOutputStream) target);
} else if (target instanceof OutputStream) {
LOGGER.info(String.format(M_TARGET_TYPE_OF, "OutputStream"));
ImageIO.write(destinationImage, imageType.toString(), (OutputStream) target);
} else {
target = null;
}
} catch (IOException e) {
e.printStackTrace();
}
return target;
}
public static Image get(ImageType imageType) {
assertNotNull(imageType, "iamgeType");
final Image image = images[imageType.ordinal()];
assertNotNull(image, imageType.toString());
return image;
}
private static ImageElement fetchImageProperties(
final BufferedImage source,
final ImageType imageType,
final String id,
final Date modifiedDate,
final String mimeType)
throws NullPointerException, IOException {
if (verifyNotNull(source)) {
ImageElement image = new ImageElement();
image.setBitDepth(
verifyNotNull(source.getColorModel().getPixelSize())
? source.getColorModel().getPixelSize()
: 0);
image.setHeight(verifyNotNull(source.getHeight()) ? source.getHeight() : 0);
image.setWidth(verifyNotNull(source.getWidth()) ? source.getWidth() : 0);
image.setSizeInBytes(determineSizeOfBufferedImage(source, imageType.toString()));
image.setCreated(new Date(System.currentTimeMillis()));
image.setTransparent(
determineTransparencyType(source.getGraphics().getColor().getTransparency()));
if (verifyNotNull(modifiedDate)) image.setModified(modifiedDate);
image.setId((verifyNotNull(id) ? id : ""));
image.setFontType(
verifyNotNull(source.getGraphics().getFont())
? source.getGraphics().getFont()
: new Font("Default", 0, 0));
image.setMediaType(MediaType.Missing);
return image;
}
throw new NullPointerException(E_OBJECT_WAS_NULL);
}
public class Images {
private static final Image[] images = new Image[ImageType.values().length];
public static void loadImageResources() throws IOException {
final ClassLoader cl = Images.class.getClassLoader();
for (ImageType imageType : ImageType.values()) {
images[imageType.ordinal()] = readFromImageDir(imageType.getFileName());
}
}
public static Image get(ImageType imageType) {
assertNotNull(imageType, "iamgeType");
final Image image = images[imageType.ordinal()];
assertNotNull(image, imageType.toString());
return image;
}
private static void assertNotNull(Object o, String msg) {
if (o == null) {
throw new AssertionError("object was null: " + msg);
}
}
private static Image readFromImageDir(String fileName) {
final String relativePath = "image/" + fileName;
try {
InputStream imageStream = ResourceFinder.getResourceStream(relativePath);
final Image img = ImageIO.read(imageStream);
return img;
} catch (Exception e) {
throw new IllegalStateException("couldn't find image: " + relativePath);
}
}
}
private static BufferedImage convert(final BufferedImage source, final ImageType imageType)
throws NullPointerException, IOException {
if (verifyNotNull(source)) {
File targetedFile = null;
ImageIO.write(source, imageType.toString(), targetedFile);
if (verifyNotNull(targetedFile)) {
return ImageIO.read(targetedFile);
}
}
throw new NullPointerException(
"Something bad happened. You should never try that again. Ever.");
}
public static void loadImageResources() throws IOException {
final ClassLoader cl = Images.class.getClassLoader();
for (ImageType imageType : ImageType.values()) {
images[imageType.ordinal()] = readFromImageDir(imageType.getFileName());
}
}
