#ifndef __DW_FLTKIMGBUF_HH__
#define __DW_FLTKIMGBUF_HH__
#ifndef __INCLUDED_FROM_DW_FLTK_CORE_HH__
# error Do not include this file directly, use "fltkcore.hh" instead.
#endif
namespace dw {
namespace fltk {
class FltkImgbuf: public core::Imgbuf
{
private:
class GammaCorrectionTable: public lout::object::Object
{
public:
double gamma;
uchar map[256];
};
FltkImgbuf *root;
int refCount;
bool deleteOnUnref;
lout::container::typed::List <FltkImgbuf> *scaledBuffers;
int width, height;
Type type;
double gamma;
//{
int bpp;
uchar *rawdata;
//}
// This is just for testing drawing, it has to be replaced by
// the image buffer.
lout::misc::BitSet *copiedRows;
static lout::container::typed::Vector <GammaCorrectionTable>
*gammaCorrectionTables;
static uchar *findGammaCorrectionTable (double gamma);
static bool excessiveImageDimensions (int width, int height);
FltkImgbuf (Type type, int width, int height, double gamma,
FltkImgbuf *root);
void init (Type type, int width, int height, double gamma, FltkImgbuf *root);
int scaledY(int ySrc);
int backscaledY(int yScaled);
int isRoot() { return (root == NULL); }
void detachScaledBuf (FltkImgbuf *scaledBuf);
protected:
~FltkImgbuf ();
public:
FltkImgbuf (Type type, int width, int height, double gamma);
static void freeall ();
void setCMap (int *colors, int num_colors);
inline void scaleRow (int row, const core::byte *data);
inline void scaleRowSimple (int row, const core::byte *data);
inline void scaleRowBeautiful (int row, const core::byte *data);
inline static void scaleBuffer (const core::byte *src, int srcWidth,
int srcHeight, core::byte *dest,
int destWidth, int destHeight, int bpp,
double gamma);
void newScan ();
void copyRow (int row, const core::byte *data);
core::Imgbuf* getScaledBuf (int width, int height);
void getRowArea (int row, dw::core::Rectangle *area);
int getRootWidth ();
int getRootHeight ();
core::Imgbuf *createSimilarBuf (int width, int height);
void copyTo (Imgbuf *dest, int xDestRoot, int yDestRoot,
int xSrc, int ySrc, int widthSrc, int heightSrc);
void ref ();
void unref ();
bool lastReference ();
void setDeleteOnUnref (bool deleteOnUnref);
bool isReferred ();
void draw (Fl_Widget *target, int xRoot, int yRoot,
int x, int y, int width, int height);
};
} // namespace fltk
} // namespace dw
#endif // __DW_FLTK_IMGBUF_HH__