lib/epson-layout.c

   1 /*_________________________________   epson-layout.c   _________________________________*/\r
   2 \r
   3 /*       1         2         3         4         5         6         7         8        */\r
   4 /*34567890123456789012345678901234567890123456789012345678901234567890123456789012345678*/\r
   5 /*******************************************|********************************************/\r
   6 /*\r
   7  *   Copyright (c) 2009  Seiko Epson Corporation                 All rights reserved.\r
   8  *\r
   9  *   Copyright protection claimed includes all forms and matters of\r
  10  *   copyrightable material and information now allowed by statutory or judicial\r
  11  *   law or hereinafter granted, including without limitation, material generated\r
  12  *   from the software programs which are displayed on the screen such as icons,\r
  13  *   screen display looks, etc.\r
  14  *\r
  15  */\r
  16 /*******************************************|********************************************/\r
  17 /*                                                                                      */\r
  18 /*                                Extent Layout Module                                  */\r
  19 /*                                                                                      */\r
  20 /*                                Public Function Calls                                 */\r
  21 /*                              --------------------------                              */\r
  22 /*      EPS_ERR_CODE elAppendQRCode             (qrcode                                 );      */\r
  23 /*              EPS_ERR_CODE elComposeQrcode    (pSrc, pDst, bpp, pRec                  );      */\r
  24 /*      EPS_ERR_CODE elCDClipping           (pSrc, pDst, bpp, pRec                  );      */\r
  25 /*                                                                                      */\r
  26 /*******************************************|********************************************/\r
  27 \r
  28 /*------------------------------------  Includes   -------------------------------------*/\r
  29 /*******************************************|********************************************/\r
  30 #include "epson-escpr-def.h"\r
  31 #include "epson-escpr-err.h"\r
  32 #include "epson-escpr-media.h"\r
  33 #include "epson-escpr-mem.h"\r
  34 #include "epson-layout.h"\r
  35 \r
  36 /*-----------------------------  Local Macro Definitions -------------------------------*/\r
  37 /*******************************************|********************************************/\r
  38 #ifdef EPS_LOG_MODULE_ELT\r
  39 #define EPS_LOG_MODULE EPS_LOG_MODULE_ELT\r
  40 #else\r
  41 #define EPS_LOG_MODULE 0\r
  42 #endif\r
  43 \r
  44 /*----------------------------  ESC/P-R Lib Global Variables  --------------------------*/\r
  45 /*******************************************|********************************************/\r
  46 \r
  47         /*** Extern Function                                                                */\r
  48 extern EPS_CMN_FUNC    epsCmnFnc;\r
  49 \r
  50     /*** Print Job Structure                                                            */\r
  51     /*** -------------------------------------------------------------------------------*/\r
  52 extern EPS_PRINT_JOB   printJob;\r
  53 \r
  54 \r
  55 /*---------------------------  Data Structure Declarations   ---------------------------*/\r
  56 /*******************************************|********************************************/\r
  57 \r
  58 \r
  59 /*--------------------------  Local Functions Declaration   ----------------------------*/\r
  60 /*******************************************|********************************************/\r
  61 static EPS_UINT32 isqrt(EPS_UINT32 x);\r
  62 \r
  63 \r
  64 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%|%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/\r
  65 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%|%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/\r
  66 /*%%%%%%%%%%%%%%%%%%%%                                             %%%%%%%%%%%%%%%%%%%%%*/\r
  67 /*--------------------              Public Functions               ---------------------*/\r
  68 /*%%%%%%%%%%%%%%%%%%%%                                             %%%%%%%%%%%%%%%%%%%%%*/\r
  69 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%|%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/\r
  70 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%|%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/\r
  71 \r
  72 /*******************************************|********************************************/\r
  73 /*                                                                                      */\r
  74 /* Function name:   elGetDots()                                                             */\r
  75 /*                                                                                      */\r
  76 /* Arguments                                                                            */\r
  77 /* ---------                                                                            */\r
  78 /* Name:        Type:               Description:                                        */\r
  79 /* resolution   EPS_UINT8                       I: resolution                                       */\r
  80 /* length       EPS_INT32           I: length                                                   */\r
  81 /*                                                                                      */\r
  82 /* Return value:                                                                        */\r
  83 /*      Dot num                                                                         */\r
  84 /*                                                                                      */\r
  85 /* Description:                                                                         */\r
  86 /*      calc the number of the dots in the resolution.                                  */\r
  87 /*                                                                                      */\r
  88 /*******************************************|********************************************/\r
  89 EPS_INT32     elGetDots (\r
  90 \r
  91         EPS_UINT8 resolution, \r
  92                 EPS_FLOAT millimeter\r
  93 \r
  94 ){\r
  95         EPS_INT32 dots = 0;\r
  96 \r
  97         if(resolution == EPS_IR_360X360){       /* EPS_IR_360X360 == 0 */\r
  98                 dots = (EPS_INT32)(millimeter * 14.1732);       /* 0.03937 * 360 = 14.1732 */\r
  99         } else if( resolution & EPS_IR_720X720 ){\r
 100                 dots = (EPS_INT32)(millimeter * 28.3464);       /* 0.03937 * 720 = 28.3464 */\r
 101         } else if( resolution & EPS_IR_300X300 ){\r
 102                 dots = (EPS_INT32)(millimeter * 11.811);        /* 0.03937 * 300 = 11.811 */\r
 103         } else if( resolution & EPS_IR_1200X1200 ){\r
 104                 dots = (EPS_INT32)(millimeter * 47.244);        /* 0.03937 * 1200 = 23.622 */\r
 105         } else if( resolution & EPS_IR_600X600 ){\r
 106                 dots = (EPS_INT32)(millimeter * 23.622);        /* 0.03937 * 600 = 23.622 */\r
 107         } else{\r
 108                 /* default 360dpi */\r
 109                 dots = (EPS_INT32)(millimeter * 14.1732);       /* 0.03937 * 360 = 14.1732 */\r
 110         }\r
 111 \r
 112         return dots;\r
 113 }\r
 114 \r
 115 \r
 116 #ifdef GCOMSW_EL_CDLABEL\r
 117 /*******************************************|********************************************/\r
 118 /*                                                                                      */\r
 119 /* Function name:   elCDClipping()                                                      */\r
 120 /*                                                                                      */\r
 121 /* Arguments                                                                            */\r
 122 /* ---------                                                                            */\r
 123 /* Name:        Type:               Description:                                        */\r
 124 /* pSrc         const EPS_UINT8*    I: source buffer                                    */\r
 125 /* pDst         EPS_UINT8*          O: destination buffer                               */\r
 126 /* bpp          EPS_UINT8           I: byte per pixel                                   */\r
 127 /* pRec         EPS_RECT*           I/O: byte per pixel                                 */\r
 128 /*                                                                                      */\r
 129 /* Return value:                                                                        */\r
 130 /*      None                                                                            */\r
 131 /*                                                                                      */\r
 132 /* Description:                                                                         */\r
 133 /*      clip band line to cd label                                                      */\r
 134 /*                                                                                      */\r
 135 /*******************************************|********************************************/\r
 136 EPS_ERR_CODE     elCDClipping (\r
 137 \r
 138         const EPS_UINT8* pSrc,\r
 139         EPS_UINT8*       pDst,\r
 140         EPS_UINT8        bpp,\r
 141         EPS_RECT*        pRec\r
 142 \r
 143 ){\r
 144 #define GET_RADIUS(mm)          (EPS_INT32)(elGetDots(printJob.attr.inputResolution, mm)/2)\r
 145 #define X_OF_SECANT(r, y)   ((EPS_INT32)isqrt((r-y) * (r+y)))\r
 146 \r
 147         EPS_LINE_SEGMENT segOut, segIn;\r
 148         EPS_INT32 rOut = GET_RADIUS(printJob.attr.cdDimOut);\r
 149         EPS_INT32 rIn  = GET_RADIUS(printJob.attr.cdDimIn);\r
 150         EPS_INT32 y    = 0;\r
 151     EPS_UINT32 wOut = 0;\r
 152     EPS_UINT32 wIn = 0;\r
 153 \r
 154         EPS_LOG_FUNCIN;\r
 155 \r
 156         /* calc clipping segment */\r
 157         y = rOut - pRec->top;\r
 158     if(y <= 0) {\r
 159         y -= -1;\r
 160     }\r
 161 \r
 162     wOut = X_OF_SECANT(rOut, y);\r
 163         segOut.start = rOut - wOut;\r
 164         segOut.length = wOut * 2;\r
 165 \r
 166     if(y <= rIn && y >= -rIn) {\r
 167         wIn = X_OF_SECANT(rIn, y);\r
 168                 segIn.start = wOut - wIn;\r
 169                 segIn.length = wIn * 2;\r
 170         } else{\r
 171                 segIn.start = \r
 172                 segIn.length = 0;\r
 173         }\r
 174 \r
 175 /*      EPS_DBGPRINT((" (%04d - %04d) (%04d - %04d)\n",\r
 176                 segOut.start, segOut.length,\r
 177                 segIn.start, segIn.length));\r
 178 */\r
 179         /* outside clip */\r
 180         memcpy(pDst, pSrc + segOut.start * bpp, segOut.length * bpp);\r
 181 \r
 182         /* inside mask  */\r
 183         if( 0 < segIn.start){\r
 184                 memset(pDst + segIn.start * bpp, 0xFF, segIn.length * bpp);\r
 185         }\r
 186 \r
 187         pRec->left = segOut.start;\r
 188         pRec->right = segOut.start + segOut.length;\r
 189 \r
 190     EPS_RETURN( EPS_ERR_NONE );\r
 191 }\r
 192 \r
 193 static EPS_UINT32 isqrt(EPS_UINT32 x) \r
 194 { \r
 195     EPS_INT32   b = 15;         /* this is the next bit we try                                                          */\r
 196     EPS_UINT32  r = 0;          /* r will contain the result                                                            */\r
 197     EPS_UINT32  r2= 0;          /* here we maintain r squared                                                           */\r
 198 \r
 199     while(b>=0)  \r
 200     { \r
 201         EPS_UINT32 sr2=r2; \r
 202         EPS_UINT32 sr=r; \r
 203                     /* compute (r+(1<<b))**2, we have r**2 already. */\r
 204         r2 += (EPS_UINT32)((r<<(1+b))+(1<<(b+b)));       \r
 205         r  += (EPS_UINT32)(1<<b); \r
 206         if (r2>x)  \r
 207         { \r
 208             r=sr; \r
 209             r2=sr2; \r
 210         } \r
 211         b--; \r
 212     } \r
 213     return r; \r
 214 }\r
 215 #endif /* GCOMSW_EL_CDLABEL */\r
 216 \r
 217 /*_________________________________   epson-layout.c   _________________________________*/\r
 218 \r
 219 /*34567890123456789012345678901234567890123456789012345678901234567890123456789012345678*/\r
 220 /*       1         2         3         4         5         6         7         8        */\r
 221 /*******************************************|********************************************/\r
 222 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%|%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/\r
 223 /***** End of File *** End of File *** End of File *** End of File *** End of File ******/\r
 224 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%|%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/\r
 225 \r