X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=src%2Fbe%2Fnikiroo%2Futils%2Fui%2FImageUtilsAwt.java;h=4cf12c04cd0573629d90ed6e376be7c5ca6e7155;hb=505be508ae7d3fb48122be548b310a238cfb91eb;hp=0c69dc4482938ae02608be704167e23a8add13e0;hpb=e704a41477b85b6bb76dff4181df132176aec112;p=fanfix.git diff --git a/src/be/nikiroo/utils/ui/ImageUtilsAwt.java b/src/be/nikiroo/utils/ui/ImageUtilsAwt.java index 0c69dc4..4cf12c0 100644 --- a/src/be/nikiroo/utils/ui/ImageUtilsAwt.java +++ b/src/be/nikiroo/utils/ui/ImageUtilsAwt.java @@ -3,7 +3,6 @@ package be.nikiroo.utils.ui; import java.awt.geom.AffineTransform; import java.awt.image.AffineTransformOp; import java.awt.image.BufferedImage; -import java.io.ByteArrayInputStream; import java.io.File; import java.io.IOException; import java.io.InputStream; @@ -12,6 +11,7 @@ import javax.imageio.ImageIO; import be.nikiroo.utils.Image; import be.nikiroo.utils.ImageUtils; +import be.nikiroo.utils.StringUtils; /** * This class offer some utilities based around images and uses java.awt. @@ -19,6 +19,13 @@ import be.nikiroo.utils.ImageUtils; * @author niki */ public class ImageUtilsAwt extends ImageUtils { + @Override + protected boolean check() { + // Will not work if ImageIO is not available + ImageIO.getCacheDirectory(); + return true; + } + @Override public void saveAsImage(Image img, File target, String format) throws IOException { @@ -36,7 +43,14 @@ public class ImageUtilsAwt extends ImageUtils { // Some formats are not reliable // Second chance: PNG if (!ok && !format.equals("png")) { - ok = ImageIO.write(image, "png", target); + try { + ok = ImageIO.write(image, "png", target); + } catch (IllegalArgumentException e) { + throw e; + } catch (Exception e) { + throw new IOException("Undocumented exception occured, " + + "converting to IOException", e); + } } if (!ok) { @@ -62,80 +76,104 @@ public class ImageUtilsAwt extends ImageUtils { * in case of IO error */ public static BufferedImage fromImage(Image img) throws IOException { - InputStream in = new ByteArrayInputStream(img.getData()); - - int orientation; + InputStream in = img.newInputStream(); + BufferedImage image; try { - orientation = getExifTransorm(in); - } catch (Exception e) { - // no EXIF transform, ok - orientation = -1; - } + int orientation; + try { + orientation = getExifTransorm(in); + } catch (Exception e) { + // no EXIF transform, ok + orientation = -1; + } - in.reset(); - BufferedImage image = ImageIO.read(in); + in.reset(); - if (image == null) { - throw new IOException("Failed to convert input to image"); - } + try { + image = ImageIO.read(in); + } catch (IllegalArgumentException e) { + throw e; + } catch (Exception e) { + throw new IOException("Undocumented exception occured, " + + "converting to IOException", e); + } - // Note: this code has been found on Internet; - // thank you anonymous coder. - int width = image.getWidth(); - int height = image.getHeight(); - AffineTransform affineTransform = new AffineTransform(); - - switch (orientation) { - case 1: - affineTransform = null; - break; - case 2: // Flip X - affineTransform.scale(-1.0, 1.0); - affineTransform.translate(-width, 0); - break; - case 3: // PI rotation - affineTransform.translate(width, height); - affineTransform.rotate(Math.PI); - break; - case 4: // Flip Y - affineTransform.scale(1.0, -1.0); - affineTransform.translate(0, -height); - break; - case 5: // - PI/2 and Flip X - affineTransform.rotate(-Math.PI / 2); - affineTransform.scale(-1.0, 1.0); - break; - case 6: // -PI/2 and -width - affineTransform.translate(height, 0); - affineTransform.rotate(Math.PI / 2); - break; - case 7: // PI/2 and Flip - affineTransform.scale(-1.0, 1.0); - affineTransform.translate(-height, 0); - affineTransform.translate(0, width); - affineTransform.rotate(3 * Math.PI / 2); - break; - case 8: // PI / 2 - affineTransform.translate(0, width); - affineTransform.rotate(3 * Math.PI / 2); - break; - default: - affineTransform = null; - break; - } + if (image == null) { + String extra = ""; + if (img.getSize() <= 2048) { + try { + extra = ", content: " + + new String(img.getData(), "UTF-8"); + } catch (Exception e) { + extra = ", content unavailable"; + } + } + String ssize = StringUtils.formatNumber(img.getSize()); + throw new IOException( + "Failed to convert input to image, size was: " + ssize + + extra); + } + + // Note: this code has been found on Internet; + // thank you anonymous coder. + int width = image.getWidth(); + int height = image.getHeight(); + AffineTransform affineTransform = new AffineTransform(); + + switch (orientation) { + case 1: + affineTransform = null; + break; + case 2: // Flip X + affineTransform.scale(-1.0, 1.0); + affineTransform.translate(-width, 0); + break; + case 3: // PI rotation + affineTransform.translate(width, height); + affineTransform.rotate(Math.PI); + break; + case 4: // Flip Y + affineTransform.scale(1.0, -1.0); + affineTransform.translate(0, -height); + break; + case 5: // - PI/2 and Flip X + affineTransform.rotate(-Math.PI / 2); + affineTransform.scale(-1.0, 1.0); + break; + case 6: // -PI/2 and -width + affineTransform.translate(height, 0); + affineTransform.rotate(Math.PI / 2); + break; + case 7: // PI/2 and Flip + affineTransform.scale(-1.0, 1.0); + affineTransform.translate(-height, 0); + affineTransform.translate(0, width); + affineTransform.rotate(3 * Math.PI / 2); + break; + case 8: // PI / 2 + affineTransform.translate(0, width); + affineTransform.rotate(3 * Math.PI / 2); + break; + default: + affineTransform = null; + break; + } - if (affineTransform != null) { - AffineTransformOp affineTransformOp = new AffineTransformOp( - affineTransform, AffineTransformOp.TYPE_BILINEAR); + if (affineTransform != null) { + AffineTransformOp affineTransformOp = new AffineTransformOp( + affineTransform, AffineTransformOp.TYPE_BILINEAR); - BufferedImage transformedImage = new BufferedImage(width, height, - image.getType()); - transformedImage = affineTransformOp - .filter(image, transformedImage); + BufferedImage transformedImage = new BufferedImage(width, + height, image.getType()); + transformedImage = affineTransformOp.filter(image, + transformedImage); - image = transformedImage; + image = transformedImage; + } + // + } finally { + in.close(); } - // return image; }