FrameBuf.hh

Go to the documentation of this file.

/*

    Framebuffer class
    Copyright (C) 1999-2002 Jussi Laako

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*/


#include <gtk/gtk.h>
#include <gdk/gdkrgb.h>
#include <tiffio.h>
#include <freetype2/freetype/freetype.h>
#ifndef __FREETYPE_H__
#error no freetype
#endif
#include <Alloc.hh>

#include "Config.h"
#include "Palette.hh"


#ifndef FRAMEBUF_HH
    #define FRAMEBUF_HH

    #define FB_TIFF_MODE        "w"         // w = write, a = append
    #define FB_TIFF_RESOLUTION  100         // dpi
    #define FB_TIFF_FONTSIZE    12          // points
    #define FB_TIFF_DATELEN     19          // characters


    enum
    {
        FB_TYPE_NONE = 0,
        FB_TYPE_LINE = 1,
        FB_TYPE_COLUMN = 2
    };

    enum
    {
        FB_TIFF_COMPRESS_NONE = COMPRESSION_NONE,
        FB_TIFF_COMPRESS_RLE = COMPRESSION_CCITTRLE,
        FB_TIFF_COMPRESS_LZW = COMPRESSION_LZW,
        FB_TIFF_COMPRESS_JPEG = COMPRESSION_JPEG,
        FB_TIFF_COMPRESS_DEFLATE = COMPRESSION_ADOBE_DEFLATE
    };

    enum
    {
        FB_TIFF_CONT_NO,
        FB_TIFF_CONT_VERTICAL,
        FB_TIFF_CONT_HORIZONTAL
    };


    class clFrameBuf : public clPalette
    {
            bool bSaving;
            int iType;
            int iWidth;
            int iHeight;
            int iCurPos;
            int iPixFontSize;
            int iMaxFontWidth;
            char cpDateTime[FB_TIFF_DATELEN + 1];
            unsigned int *upFrameBuf;
            uint32 *upScanBuf;
            uint32 uiStripSize;
            tstrip_t uiContStrip;
            TIFF *tiffImg;
            FT_Library ftLib;
            FT_Face ftFace;
            clAlloc FrameBuf;
            clAlloc ScanBuf;
            void RGBA2RGB (unsigned char *, const unsigned int *, int, int, 
                int, int, int, int);
            bool SetTiffTags (const char *, int, int, const char *, int,
                int, int);
            bool WriteTiffData ();
            bool WriteTiffData (int, int, double, double, double, double);
            bool WriteTiffScanData ();
            void DrawHLine (unsigned char *, int, int, int, int, int);
            void DrawVLine (unsigned char *, int, int, int, int, int);
            bool DrawText (unsigned char *, int, int, int, int, const char *);
        public:
            clFrameBuf ();
            ~clFrameBuf ();
            void SetSize (int, int);
            void Clear ();
            unsigned int *GetFBPtr () { return upFrameBuf; }
            unsigned int *GetPalPtr () { return upPalette; }
            guchar *GetCurPtr (int, int);
            gint GetRowStride () { return (iWidth * sizeof(unsigned int)); }
            int GetNumColors () { return iPalSize; }
            int GetWidth () { return iWidth; }
            int GetHeight () { return iHeight; }
            void DrawLine (unsigned int *);
            void DrawLine (GDT *);
            void DrawColumn (unsigned int *);
            void DrawColumn (GDT *);
            unsigned int operator [] (int iPix)
                { return upFrameBuf[iPix]; }
            void PalGenBW () { GenBW(); }
            void PalGenHSV () { GenHSV(); }
            void PalGenLight () { GenLight(); }
            void PalGenTemp () { GenTemp(); }
            void PalGenDir () { GenDir(); }
            void PalGenGreen () { GenGreen(); }
            void PalGenGreen2 () { GenGreen2(); }
            void PalGenGreen3 () { GenGreen3(); }
            void PalGenGreen4 () { GenGreen4(); }
            void PalGenPureGreen () { GenPureGreen(); }
            void PalGenWB () { GenWB(); }
            bool SaveToFile (const char *, int, int, const char *);
            bool SaveToFile (const char *, int, int, const char *,
                double, double, double, double);

            bool StartSaveToFile (const char *, int, int, const char *, int);
            void StopSaveToFile ();
    };

#endif

---