canonmakernotedescriptor.java

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        }
    }

    public String getShortFocalLengthDescription() throws MetadataException
    {
        if (!_directory.containsTag(CanonMakernoteDirectory.TAG_CANON_STATE1_SHORT_FOCAL_LENGTH)) return null;
        int value = _directory.getInt(CanonMakernoteDirectory.TAG_CANON_STATE1_SHORT_FOCAL_LENGTH);
        String units = getFocalUnitsPerMillimetreDescription();
        return Integer.toString(value) + " " + units;
    }

    public String getLongFocalLengthDescription() throws MetadataException
    {
        if (!_directory.containsTag(CanonMakernoteDirectory.TAG_CANON_STATE1_LONG_FOCAL_LENGTH)) return null;
        int value = _directory.getInt(CanonMakernoteDirectory.TAG_CANON_STATE1_LONG_FOCAL_LENGTH);
        String units = getFocalUnitsPerMillimetreDescription();
        return Integer.toString(value) + " " + units;
    }

    public String getExposureModeDescription() throws MetadataException
    {
        if (!_directory.containsTag(CanonMakernoteDirectory.TAG_CANON_STATE1_EXPOSURE_MODE)) return null;
        int value = _directory.getInt(CanonMakernoteDirectory.TAG_CANON_STATE1_EXPOSURE_MODE);
        switch (value) {
            case 0:
                return "Easy shooting";
            case 1:
                return "Program";
            case 2:
                return "Tv-priority";
            case 3:
                return "Av-priority";
            case 4:
                return "Manual";
            case 5:
                return "A-DEP";
            default:
                return "Unknown (" + value + ")";
        }
    }

    public String getAfPointSelectedDescription() throws MetadataException
    {
        if (!_directory.containsTag(CanonMakernoteDirectory.TAG_CANON_STATE1_AF_POINT_SELECTED)) return null;
        int value = _directory.getInt(CanonMakernoteDirectory.TAG_CANON_STATE1_AF_POINT_SELECTED);
        switch (value) {
            case 0x3000:
                return "None (MF)";
            case 0x3001:
                return "Auto selected";
            case 0x3002:
                return "Right";
            case 0x3003:
                return "Centre";
            case 0x3004:
                return "Left";
            default:
                return "Unknown (" + value + ")";
        }
    }

    public String getMeteringModeDescription() throws MetadataException
    {
        if (!_directory.containsTag(CanonMakernoteDirectory.TAG_CANON_STATE1_METERING_MODE)) return null;
        int value = _directory.getInt(CanonMakernoteDirectory.TAG_CANON_STATE1_METERING_MODE);
        switch (value) {
            case 3:
                return "Evaluative";
            case 4:
                return "Partial";
            case 5:
                return "Centre weighted";
            default:
                return "Unknown (" + value + ")";
        }
    }

    public String getIsoDescription() throws MetadataException
    {
        if (!_directory.containsTag(CanonMakernoteDirectory.TAG_CANON_STATE1_ISO)) return null;
        int value = _directory.getInt(CanonMakernoteDirectory.TAG_CANON_STATE1_ISO);
        switch (value) {
            case 0:
                return "Not specified (see ISOSpeedRatings tag)";
            case 15:
                return "Auto";
            case 16:
                return "50";
            case 17:
                return "100";
            case 18:
                return "200";
            case 19:
                return "400";
            default:
                return "Unknown (" + value + ")";
        }
    }

    public String getSharpnessDescription() throws MetadataException
    {
        if (!_directory.containsTag(CanonMakernoteDirectory.TAG_CANON_STATE1_SHARPNESS)) return null;
        int value = _directory.getInt(CanonMakernoteDirectory.TAG_CANON_STATE1_SHARPNESS);
        switch (value) {
            case 0xFFFF:
                return "Low";
            case 0x000:
                return "Normal";
            case 0x001:
                return "High";
            default:
                return "Unknown (" + value + ")";
        }
    }

    public String getSaturationDescription() throws MetadataException
    {
        if (!_directory.containsTag(CanonMakernoteDirectory.TAG_CANON_STATE1_SATURATION)) return null;
        int value = _directory.getInt(CanonMakernoteDirectory.TAG_CANON_STATE1_SATURATION);
        switch (value) {
            case 0xFFFF:
                return "Low";
            case 0x000:
                return "Normal";
            case 0x001:
                return "High";
            default:
                return "Unknown (" + value + ")";
        }
    }

    public String getContrastDescription() throws MetadataException
    {
        if (!_directory.containsTag(CanonMakernoteDirectory.TAG_CANON_STATE1_CONTRAST)) return null;
        int value = _directory.getInt(CanonMakernoteDirectory.TAG_CANON_STATE1_CONTRAST);
        switch (value) {
            case 0xFFFF:
                return "Low";
            case 0x000:
                return "Normal";
            case 0x001:
                return "High";
            default:
                return "Unknown (" + value + ")";
        }
    }

    public String getEasyShootingModeDescription() throws MetadataException
    {
        if (!_directory.containsTag(CanonMakernoteDirectory.TAG_CANON_STATE1_EASY_SHOOTING_MODE)) return null;
        int value = _directory.getInt(CanonMakernoteDirectory.TAG_CANON_STATE1_EASY_SHOOTING_MODE);
        switch (value) {
            case 0:
                return "Full auto";
            case 1:
                return "Manual";
            case 2:
                return "Landscape";
            case 3:
                return "Fast shutter";
            case 4:
                return "Slow shutter";
            case 5:
                return "Night";
            case 6:
                return "B&W";
            case 7:
                return "Sepia";
            case 8:
                return "Portrait";
            case 9:
                return "Sports";
            case 10:
                return "Macro / Closeup";
            case 11:
                return "Pan focus";
            default:
                return "Unknown (" + value + ")";
        }
    }

    public String getImageSizeDescription() throws MetadataException
    {
        if (!_directory.containsTag(CanonMakernoteDirectory.TAG_CANON_STATE1_IMAGE_SIZE)) return null;
        int value = _directory.getInt(CanonMakernoteDirectory.TAG_CANON_STATE1_IMAGE_SIZE);
        switch (value) {
            case 0:
                return "Large";
            case 1:
                return "Medium";
            case 2:
                return "Small";
            default:
                return "Unknown (" + value + ")";
        }
    }

    public String getFocusMode1Description() throws MetadataException
    {
        if (!_directory.containsTag(CanonMakernoteDirectory.TAG_CANON_STATE1_FOCUS_MODE_1)) return null;
        int value = _directory.getInt(CanonMakernoteDirectory.TAG_CANON_STATE1_FOCUS_MODE_1);
        switch (value) {
            case 0:
                return "One-shot";
            case 1:
                return "AI Servo";
            case 2:
                return "AI Focus";
            case 3:
                return "Manual Focus";
            case 4:
                // TODO should check field 32 here (FOCUS_MODE_2)
                return "Single";
            case 5:
                return "Continuous";
            case 6:
                return "Manual Focus";
            default:
                return "Unknown (" + value + ")";
        }
    }

    public String getContinuousDriveModeDescription() throws MetadataException
    {
        if (!_directory.containsTag(CanonMakernoteDirectory.TAG_CANON_STATE1_CONTINUOUS_DRIVE_MODE)) return null;
        int value = _directory.getInt(CanonMakernoteDirectory.TAG_CANON_STATE1_CONTINUOUS_DRIVE_MODE);
        switch (value) {
            case 0:
                if (_directory.getInt(CanonMakernoteDirectory.TAG_CANON_STATE1_SELF_TIMER_DELAY) == 0) {
                    return "Single shot";
                } else {
                    return "Single shot with self-timer";
                }
            case 1:
                return "Continuous";
            default:
                return "Unknown (" + value + ")";
        }
    }

    public String getFlashModeDescription() throws MetadataException
    {
        if (!_directory.containsTag(CanonMakernoteDirectory.TAG_CANON_STATE1_FLASH_MODE)) return null;
        int value = _directory.getInt(CanonMakernoteDirectory.TAG_CANON_STATE1_FLASH_MODE);
        switch (value) {
            case 0:
                return "No flash fired";
            case 1:
                return "Auto";
            case 2:
                return "On";
            case 3:
                return "Red-eye reduction";
            case 4:
                return "Slow-synchro";
            case 5:
                return "Auto and red-eye reduction";
            case 6:
                return "On and red-eye reduction";
            case 16:
                // note: this value not set on Canon D30
                return "Extenal flash";
            default:
                return "Unknown (" + value + ")";
        }
    }

    public String getSelfTimerDelayDescription() throws MetadataException
    {
        if (!_directory.containsTag(CanonMakernoteDirectory.TAG_CANON_STATE1_SELF_TIMER_DELAY)) return null;
        int value = _directory.getInt(CanonMakernoteDirectory.TAG_CANON_STATE1_SELF_TIMER_DELAY);
        if (value == 0) {
            return "Self timer not used";
        } else {
            // TODO find an image that tests this calculation
            return Double.toString((double)value * 0.1d) + " sec";
        }
    }

    public String getMacroModeDescription() throws MetadataException
    {
        if (!_directory.containsTag(CanonMakernoteDirectory.TAG_CANON_STATE1_MACRO_MODE)) return null;
        int value = _directory.getInt(CanonMakernoteDirectory.TAG_CANON_STATE1_MACRO_MODE);
        switch (value) {
            case 1:
                return "Macro";
            case 2:
                return "Normal";
            default:
                return "Unknown (" + value + ")";
        }
    }

    public String getQualityDescription() throws MetadataException
    {
        if (!_directory.containsTag(CanonMakernoteDirectory.TAG_CANON_STATE1_QUALITY)) return null;
        int value = _directory.getInt(CanonMakernoteDirectory.TAG_CANON_STATE1_QUALITY);
        switch (value) {
            case 2:
                return "Normal";
            case 3:
                return "Fine";
            case 5:
                return "Superfine";
            default:
                return "Unknown (" + value + ")";
        }
    }

    public String getDigitalZoomDescription() throws MetadataException
    {
        if (!_directory.containsTag(CanonMakernoteDirectory.TAG_CANON_STATE1_DIGITAL_ZOOM)) return null;
        int value = _directory.getInt(CanonMakernoteDirectory.TAG_CANON_STATE1_DIGITAL_ZOOM);
        switch (value) {
            case 0:
                return "No digital zoom";
            case 1:
                return "2x";
            case 2:
                return "4x";
            default:
                return "Unknown (" + value + ")";
        }
    }

    public String getFocusTypeDescription() throws MetadataException
    {
        if (!_directory.containsTag(CanonMakernoteDirectory.TAG_CANON_STATE1_FOCUS_TYPE)) return null;
        int value = _directory.getInt(CanonMakernoteDirectory.TAG_CANON_STATE1_FOCUS_TYPE);
        switch (value) {
            case 0:
                return "Manual";
            case 1:
                return "Auto";
            case 3:
                return "Close-up (Macro)";
            case 8:
                return "Locked (Pan Mode)";
            default:
                return "Unknown (" + value + ")";
        }
    }

    public String getFlashActivityDescription() throws MetadataException
    {
        if (!_directory.containsTag(CanonMakernoteDirectory.TAG_CANON_STATE1_FLASH_ACTIVITY)) return null;
        int value = _directory.getInt(CanonMakernoteDirectory.TAG_CANON_STATE1_FLASH_ACTIVITY);
        switch (value) {
            case 0:
                return "Flash did not fire";
            case 1:
                return "Flash fired";
            default:
                return "Unknown (" + value + ")";
        }
    }
}