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