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151 lines
5.0 KiB
151 lines
5.0 KiB
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/*
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Copyright (c) 2003,2004,2005 Clarence Dang <dang@kde.org>
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef KP_DOCUMENT_SAVE_OPTIONS_H
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#define KP_DOCUMENT_SAVE_OPTIONS_H
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class TQPixmap;
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class TQString;
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class KConfigBase;
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class kpDocumentSaveOptions
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{
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public:
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kpDocumentSaveOptions ();
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kpDocumentSaveOptions (const kpDocumentSaveOptions &rhs);
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kpDocumentSaveOptions (TQString mimeType, int colorDepth, bool dither, int quality);
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virtual ~kpDocumentSaveOptions ();
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bool operator== (const kpDocumentSaveOptions &rhs) const;
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bool operator!= (const kpDocumentSaveOptions &rhs) const;
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kpDocumentSaveOptions &operator= (const kpDocumentSaveOptions &rhs);
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void printDebug (const TQString &prefix) const;
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TQString mimeType () const;
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void setMimeType (const TQString &mimeType);
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static TQString invalidMimeType ();
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static bool mimeTypeIsInvalid (const TQString &mimeType);
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bool mimeTypeIsInvalid () const;
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int colorDepth () const;
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void setColorDepth (int depth);
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static int invalidColorDepth ();
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static bool colorDepthIsInvalid (int colorDepth);
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bool colorDepthIsInvalid () const;
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bool dither () const;
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void setDither (bool dither);
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static int initialDither ();
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int quality () const;
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void setQuality (int quality);
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static int invalidQuality ();
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static bool qualityIsInvalid (int quality);
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bool qualityIsInvalid () const;
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// (All assume that <config>'s group has been set)
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// (None of them call KConfigBase::reparseConfig() nor KConfigBase::sync())
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static TQString defaultMimeType (KConfigBase *config);
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static void saveDefaultMimeType (KConfigBase *config, const TQString &mimeType);
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static int defaultColorDepth (KConfigBase *config);
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static void saveDefaultColorDepth (KConfigBase *config, int colorDepth);
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static int defaultDither (KConfigBase *config);
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static void saveDefaultDither (KConfigBase *config, bool dither);
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static int defaultQuality (KConfigBase *config);
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static void saveDefaultQuality (KConfigBase *config, int quality);
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static kpDocumentSaveOptions defaultDocumentSaveOptions (KConfigBase *config);
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// (returns true if it encountered a difference (and saved it to <config>))
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static bool saveDefaultDifferences (KConfigBase *config,
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const kpDocumentSaveOptions &oldDocInfo,
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const kpDocumentSaveOptions &newDocInfo);
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public:
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// (purely for informational purposes - not enforced by this class)
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static int mimeTypeMaximumColorDepth (const TQString &mimeType);
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int mimeTypeMaximumColorDepth () const;
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static bool mimeTypeHasConfigurableColorDepth (const TQString &mimeType);
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bool mimeTypeHasConfigurableColorDepth () const;
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static bool mimeTypeHasConfigurableQuality (const TQString &mimeType);
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bool mimeTypeHasConfigurableQuality () const;
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// TODO: checking for tqmask loss due to format e.g. BMP
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enum LossyType
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{
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LossLess = 0,
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// mimeTypeMaximumColorDepth() < <pixmap>.depth()
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MimeTypeMaximumColorDepthLow = 1,
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// i.e. colorDepth() < <pixmap>.depth() ||
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// colorDepth() < 32 && <pixmap>.tqmask()
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ColorDepthLow = 2,
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// i.e. mimeTypeHasConfigurableQuality()
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Quality = 4
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};
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// Returns whether saving <pixmap> with these options will result in
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// loss of information. Returned value is the bitwise OR of
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// LossType enum possiblities.
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int isLossyForSaving (const TQPixmap &pixmap) const;
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private:
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// There is no need to maintain binary compatibility at this stage.
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// The d-pointer is just so that you can experiment without recompiling
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// the kitchen sink.
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class kpDocumentSaveOptionsPrivate *d;
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};
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#endif // KP_DOCUMENT_SAVE_OPTIONS_H
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