Examples of javax.imageio.IIOException

javax.imageio.IIOException
An exception class used for signaling run-time failure of reading and writing operations.
In addition to a message string, a reference to another Throwable (Error or Exception) is maintained. This reference, if non-null, refers to the event that caused this exception to occur. For example, an IOException while reading from a File would be stored there.

            // Global Color Table
            if (globalColorTable != null) {
                stream.write(globalColorTable);
            }
        } catch (IOException e) {
            throw new IIOException("I/O error writing header!", e);
        }
    }

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            stream.writeShort((short)delayTime);


            stream.write(transparentColorIndex);
            stream.write(0x00);
        } catch (IOException e) {
            throw new IIOException("I/O error writing Graphic Control Extension!", e);
        }
    }

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                writeBlocks(im.text);


                stream.write(0x00);
            } catch (IOException e) {
                throw new IIOException("I/O error writing Plain Text Extension!", e);
            }
        }
    }

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                    writeBlocks((byte[])iterData.next());


                    stream.write(0x00);
                } catch (IOException e) {
                    throw new IIOException("I/O error writing Application Extension!", e);
                }
            }
        }
    }

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                    stream.write(0xfe);
                    writeBlocks((byte[])iter.next());
                    stream.write(0x00);
                }
            } catch (IOException e) {
                throw new IIOException("I/O error writing Comment Extension!", e);
            }
        }
    }

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    public int getWidth(int imageIndex) throws IOException {
        checkIndex(imageIndex);
        try {
            readHeader();
        } catch (IllegalArgumentException e) {
            throw new IIOException(I18N.getString("BMPImageReader6"), e);
        }
        return width;
    }

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    public int getHeight(int imageIndex) throws IOException {
        checkIndex(imageIndex);
        try {
            readHeader();
        } catch (IllegalArgumentException e) {
            throw new IIOException(I18N.getString("BMPImageReader6"), e);
        }
        return height;
    }

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            if (localColorTable != null) {
                stream.write(localColorTable);
            }
        } catch (IOException e) {
            throw new IIOException("I/O error writing Image Descriptor!", e);
        }
    }

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                case BI_RLE8:  // 8-bit RLE compression
                case BI_RLE4:  // 4-bit RLE compression


                    // Read in the palette
                    if (bitmapOffset < (size + 14)) {
                        throw new IIOException(I18N.getString("BMPImageReader7"));
                    }
                    int numberOfEntries = (int)((bitmapOffset-14-size) / 4);
                    int sizeOfPalette = numberOfEntries * 4;
                    palette = new byte[sizeOfPalette];
                    iis.readFully(palette, 0, sizeOfPalette);


                    metadata.palette = palette;
                    metadata.paletteSize = numberOfEntries;


                    if (bitsPerPixel == 1) {
                        imageType = VERSION_3_1_BIT;
                    } else if (bitsPerPixel == 4) {
                        imageType = VERSION_3_4_BIT;
                    } else if (bitsPerPixel == 8) {
                        imageType = VERSION_3_8_BIT;
                    } else if (bitsPerPixel == 24) {
                        imageType = VERSION_3_24_BIT;
                    } else if (bitsPerPixel == 16) {
                        imageType = VERSION_3_NT_16_BIT;


                        redMask = 0x7C00;
                        greenMask = 0x3E0;
                        blueMask =  (1 << 5) - 1;// 0x1F;
                        metadata.redMask = redMask;
                        metadata.greenMask = greenMask;
                        metadata.blueMask = blueMask;
                    } else if (bitsPerPixel == 32) {
                        imageType = VERSION_3_NT_32_BIT;
                        redMask   = 0x00FF0000;
                        greenMask = 0x0000FF00;
                        blueMask  = 0x000000FF;
                        metadata.redMask = redMask;
                        metadata.greenMask = greenMask;
                        metadata.blueMask = blueMask;
                    }


                    metadata.bmpVersion = VERSION_3;
                    break;


                case BI_BITFIELDS:


                    if (bitsPerPixel == 16) {
                        imageType = VERSION_3_NT_16_BIT;
                    } else if (bitsPerPixel == 32) {
                        imageType = VERSION_3_NT_32_BIT;
                    }


                    // BitsField encoding
                    redMask = (int)iis.readUnsignedInt();
                    greenMask = (int)iis.readUnsignedInt();
                    blueMask = (int)iis.readUnsignedInt();
                    metadata.redMask = redMask;
                    metadata.greenMask = greenMask;
                    metadata.blueMask = blueMask;


                    if (colorsUsed != 0) {
                        // there is a palette
                        sizeOfPalette = (int)colorsUsed*4;
                        palette = new byte[sizeOfPalette];
                        iis.readFully(palette, 0, sizeOfPalette);


                        metadata.palette = palette;
                        metadata.paletteSize = (int)colorsUsed;
                    }
                    metadata.bmpVersion = VERSION_3_NT;


                    break;
                default:
                    throw new
                        IIOException(I18N.getString("BMPImageReader2"));
                }
            } else if (size == 108 || size == 124) {
                // Windows 4.x BMP
                if (size == 108)
                    metadata.bmpVersion = VERSION_4;
                else if (size == 124)
                    metadata.bmpVersion = VERSION_5;


                // rgb masks, valid only if comp is BI_BITFIELDS
                redMask = (int)iis.readUnsignedInt();
                greenMask = (int)iis.readUnsignedInt();
                blueMask = (int)iis.readUnsignedInt();
                // Only supported for 32bpp BI_RGB argb
                alphaMask = (int)iis.readUnsignedInt();
                long csType = iis.readUnsignedInt();
                int redX = iis.readInt();
                int redY = iis.readInt();
                int redZ = iis.readInt();
                int greenX = iis.readInt();
                int greenY = iis.readInt();
                int greenZ = iis.readInt();
                int blueX = iis.readInt();
                int blueY = iis.readInt();
                int blueZ = iis.readInt();
                long gammaRed = iis.readUnsignedInt();
                long gammaGreen = iis.readUnsignedInt();
                long gammaBlue = iis.readUnsignedInt();


                if (size == 124) {
                    metadata.intent = iis.readInt();
                    profileData = iis.readInt();
                    profileSize = iis.readInt();
                    iis.skipBytes(4);
                }


                metadata.colorSpace = (int)csType;


                if (csType == LCS_CALIBRATED_RGB) {
                    // All the new fields are valid only for this case
                    metadata.redX = redX;
                    metadata.redY = redY;
                    metadata.redZ = redZ;
                    metadata.greenX = greenX;
                    metadata.greenY = greenY;
                    metadata.greenZ = greenZ;
                    metadata.blueX = blueX;
                    metadata.blueY = blueY;
                    metadata.blueZ = blueZ;
                    metadata.gammaRed = (int)gammaRed;
                    metadata.gammaGreen = (int)gammaGreen;
                    metadata.gammaBlue = (int)gammaBlue;
                }


                // Read in the palette
                int numberOfEntries = (int)((bitmapOffset-14-size) / 4);
                int sizeOfPalette = numberOfEntries*4;
                palette = new byte[sizeOfPalette];
                iis.readFully(palette, 0, sizeOfPalette);
                metadata.palette = palette;
                metadata.paletteSize = numberOfEntries;


                switch ((int)compression) {
                case BI_JPEG:
                case BI_PNG:
                    if (size == 108) {
                        imageType = VERSION_4_XP_EMBEDDED;
                    } else if (size == 124) {
                        imageType = VERSION_5_XP_EMBEDDED;
                    }
                    break;
                default:
                    if (bitsPerPixel == 1) {
                        imageType = VERSION_4_1_BIT;
                    } else if (bitsPerPixel == 4) {
                        imageType = VERSION_4_4_BIT;
                    } else if (bitsPerPixel == 8) {
                        imageType = VERSION_4_8_BIT;
                    } else if (bitsPerPixel == 16) {
                        imageType = VERSION_4_16_BIT;
                        if ((int)compression == BI_RGB) {
                            redMask = 0x7C00;
                            greenMask = 0x3E0;
                            blueMask = 0x1F;
                        }
                    } else if (bitsPerPixel == 24) {
                        imageType = VERSION_4_24_BIT;
                    } else if (bitsPerPixel == 32) {
                        imageType = VERSION_4_32_BIT;
                        if ((int)compression == BI_RGB) {
                            redMask   = 0x00FF0000;
                            greenMask = 0x0000FF00;
                            blueMask  = 0x000000FF;
                        }
                    }


                    metadata.redMask = redMask;
                    metadata.greenMask = greenMask;
                    metadata.blueMask = blueMask;
                    metadata.alphaMask = alphaMask;
                }
            } else {
                throw new
                    IIOException(I18N.getString("BMPImageReader3"));
            }
        }


        if (height > 0) {

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      throws IOException {
        checkIndex(imageIndex);
        try {
            readHeader();
        } catch (IllegalArgumentException e) {
            throw new IIOException(I18N.getString("BMPImageReader6"), e);
        }
        ArrayList list = new ArrayList(1);
        list.add(new ImageTypeSpecifier(originalColorModel,
                                        originalSampleModel));
        return list.iterator();

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