src/stc/scintilla/src/XPM.h

   1 // Scintilla source code edit control
   2 /** @file XPM.h
   3  ** Define a class that holds data in the X Pixmap (XPM) format.
   4  **/
   5 // Copyright 1998-2003 by Neil Hodgson <neilh@scintilla.org>
   6 // The License.txt file describes the conditions under which this software may be distributed.
   7
   8 #ifndef XPM_H
   9 #define XPM_H
  10
  11 /**
  12  * Hold a pixmap in XPM format.
  13  */
  14 class XPM {
  15         int id;         // Assigned by container
  16         int height;
  17         int width;
  18         int nColours;
  19         char *data;
  20         char codeTransparent;
  21         char *codes;
  22         ColourPair *colours;
  23         ColourAllocated ColourFromCode(int ch);
  24         void FillRun(Surface *surface, int code, int startX, int y, int x);
  25         char **lines;
  26         ColourPair *colourCodeTable[256];
  27 public:
  28         XPM(const char *textForm);
  29         XPM(const char * const *linesForm);
  30         ~XPM();
  31         void Init(const char *textForm);
  32         void Init(const char * const *linesForm);
  33         void Clear();
  34         /// Similar to same named method in ViewStyle:
  35         void RefreshColourPalette(Palette &pal, bool want);
  36         /// No palette used, so just copy the desired colours to the allocated colours
  37         void CopyDesiredColours();
  38         /// Decompose image into runs and use FillRectangle for each run
  39         void Draw(Surface *surface, PRectangle &rc);
  40         char **InLinesForm() { return lines; }
  41         void SetId(int id_) { id = id_; }
  42         int GetId() { return id; }
  43         int GetHeight() { return height; }
  44         int GetWidth() { return width; }
  45         static const char **LinesFormFromTextForm(const char *textForm);
  46 };
  47
  48 /**
  49  * A collection of pixmaps indexed by integer id.
  50  */
  51 class XPMSet {
  52         XPM **set;      ///< The stored XPMs.
  53         int len;        ///< Current number of XPMs.
  54         int maximum;    ///< Current maximum number of XPMs, increased by steps if reached.
  55         int height;     ///< Memorize largest height of the set.
  56         int width;      ///< Memorize largest width of the set.
  57 public:
  58         XPMSet();
  59         ~XPMSet();
  60         /// Remove all XPMs.
  61         void Clear();
  62         /// Add a XPM.
  63         void Add(int id, const char *textForm);
  64         /// Get XPM by id.
  65         XPM *Get(int id);
  66         /// Give the largest height of the set.
  67         int GetHeight();
  68         /// Give the largest width of the set.
  69         int GetWidth();
  70 };
  71
  72 #endif