UT/UT_IconManager.h

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/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 *
 * Produced by:
 *      Ondrej Kos
 *      Side Effects Software Inc
 *      477 Richmond Street West
 *      Toronto, Ontario
 *      Canada   M5V 3E7
 *      416-504-9876
 *
 * NAME:        UT_IconManager.h (C++)
 *
 * COMMENTS:    A very simple class to help with finding and otherwise
 *              dealing with icon files.
 */

#ifndef __UT_IconManager__
#define __UT_IconManager__

#include "UT_API.h"
class UT_PathSearch;

#define UT_ICON_MAXSIZE         64

enum
UT_IconType
{
    UT_ICON_SGI,
    UT_ICON_IMG,
    UT_ICON_SVG
};

class UT_API UT_IconManager
{
public:
    UT_IconManager();
    ~UT_IconManager();

    /// Gets the first icon (of type SGI, image, or SVG) in the icon path
    /// that matches the icon root name. Sets 'iconpath' to the full path
    /// to that icon file, and if type is set to a non-NULL pointer, sets
    /// the type appropriately.
    /// Returns true if an icon was found, and false otherwise.
    bool                         getFirstIconFile(const char *iconroot,
                                                  UT_String &iconpath,
                                                  UT_IconType *type = NULL);

    /// As in getFirstIconFile, but only finds image icons.
    bool                         getFirstImageFile(const char *imageroot,
                                                   UT_String &imagepath);

    /// As in getFirstIconFile, but only finds SVG icons.
    bool                         getFirstSVGFile(const char *svgroot,
                                                 UT_String &svgpath);

    // This returns a pointer to a list of pointers to strings.  The last
    // one will be null marking the end of the list.
    static const char          **getValidExts();

    // Returns true if the extension in the filename matches one of the valid
    // extensions.
    static bool                  hasValidExt(const UT_String &filename);

private:
    bool                 getFirstFile(const char *iconroot, UT_String &iconpath,
                                      UT_IconType *type, bool doimages, bool doicons,
                                      bool dosvg);

    const UT_PathSearch         *myIconPaths;

    static const char           *theValidExts[];
    static const UT_IconType     theExtTypes[];
};

UT_API UT_IconManager   *UTgetIconManager();

#endif

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