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// Scintilla source code edit control
/** @file XPM.h
** Define a class that holds data in the X Pixmap (XPM) format.
**/
// Copyright 1998-2003 by Neil Hodgson <neilh@scintilla.org>
// The License.txt file describes the conditions under which this software may be distributed.
#ifndef XPM_H
#define XPM_H
#ifdef SCI_NAMESPACE
namespace Scintilla {
#endif
/**
* Hold a pixmap in XPM format.
*/
class XPM {
int pid; // Assigned by container
int height;
int width;
int nColours;
char *data;
char codeTransparent;
char *codes;
ColourDesired *colours;
ColourDesired ColourDesiredFromCode(int ch) const;
ColourDesired ColourFromCode(int ch) const;
void FillRun(Surface *surface, int code, int startX, int y, int x);
char **lines;
ColourDesired *colourCodeTable[256];
public:
XPM(const char *textForm);
XPM(const char *const *linesForm);
~XPM();
void Init(const char *textForm);
void Init(const char *const *linesForm);
void Clear();
/// Decompose image into runs and use FillRectangle for each run
void Draw(Surface *surface, PRectangle &rc);
char **InLinesForm() { return lines; }
void SetId(int pid_) { pid = pid_; }
int GetId() const { return pid; }
int GetHeight() const { return height; }
int GetWidth() const { return width; }
void PixelAt(int x, int y, ColourDesired &colour, bool &transparent) const;
static const char **LinesFormFromTextForm(const char *textForm);
};
/**
* A collection of pixmaps indexed by integer id.
*/
class XPMSet {
XPM **set; ///< The stored XPMs.
int len; ///< Current number of XPMs.
int maximum; ///< Current maximum number of XPMs, increased by steps if reached.
int height; ///< Memorize largest height of the set.
int width; ///< Memorize largest width of the set.
public:
XPMSet();
~XPMSet();
/// Remove all XPMs.
void Clear();
/// Add a XPM.
void Add(int ident, const char *textForm);
/// Get XPM by id.
XPM *Get(int ident);
/// Give the largest height of the set.
int GetHeight();
/// Give the largest width of the set.
int GetWidth();
};
/**
* An translucent image stoed as a sequence of RGBA bytes.
*/
class RGBAImage {
// Private so RGBAImage objects can not be copied
RGBAImage(const RGBAImage &);
RGBAImage &operator=(const RGBAImage &);
int height;
int width;
float scale;
std::vector<unsigned char> pixelBytes;
public:
RGBAImage(int width_, int height_, float scale_, const unsigned char *pixels_);
RGBAImage(const XPM &xpm);
virtual ~RGBAImage();
int GetHeight() const { return height; }
int GetWidth() const { return width; }
float GetScale() const { return scale; }
float GetScaledHeight() const { return height / scale; }
float GetScaledWidth() const { return width / scale; }
int CountBytes() const;
const unsigned char *Pixels() const;
void SetPixel(int x, int y, ColourDesired colour, int alpha=0xff);
};
/**
* A collection of RGBAImage pixmaps indexed by integer id.
*/
class RGBAImageSet {
typedef std::map<int, RGBAImage*> ImageMap;
ImageMap images;
mutable int height; ///< Memorize largest height of the set.
mutable int width; ///< Memorize largest width of the set.
public:
RGBAImageSet();
~RGBAImageSet();
/// Remove all images.
void Clear();
/// Add an image.
void Add(int ident, RGBAImage *image);
/// Get image by id.
RGBAImage *Get(int ident);
/// Give the largest height of the set.
int GetHeight() const;
/// Give the largest width of the set.
int GetWidth() const;
};
#ifdef SCI_NAMESPACE
}
#endif
#endif
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