hal_curs.c

来自「epson 13506 driver code」· C语言代码 · 共 1,102 行 · 第 1/2 页
1,102 行
   unsigned regInkCursorStartAddress;

   /*
   ** Determine start address of cursor.
   */
   if (_ActiveImageSurface->DisplayMode & LCD)
      regInkCursorStartAddress = seReadRegByte(REG_LCD_INK_CURS_START_ADDR);
   else if (_ActiveImageSurface->DisplayMode & (CRT | TV))
      regInkCursorStartAddress = seReadRegByte(REG_CRTTV_INK_CURS_START_ADDR);
   else // Assume LCD
      regInkCursorStartAddress = seReadRegByte(REG_LCD_INK_CURS_START_ADDR);

   if (regInkCursorStartAddress == 0)
      return _MemorySize - CURSOR_SIZE;
   else
      return _MemorySize - (regInkCursorStartAddress * 8192L);
   }

/*-------------------------------------------------------------------------*/

void seMoveLcdCursor(long x, long y)
   {
   long abs_x, abs_y, tmp;
   unsigned sign_x, sign_y;
   unsigned width, height;

   seGetLcdResolution(&width, &height);

   switch (seGetLcdOrientation())
      {
      case ROTATE180:
         x = width - x - 64; 
         y = height - y - 64;
         break;

      case ROTATE90:
         tmp = x;
         x = y;
         y = tmp;
   
         x = height - x - 64;
         break;

      case ROTATE270:
         tmp = x;
         x = y;
         y = tmp;

         y = width - y - 64;
         break;
      }


   if (x < 0)
      {
      abs_x = -x;
      sign_x = 0x8000;
      }
   else
      {
      abs_x = x;
      sign_x = 0;
      }

   if (y < 0)
      {
      abs_y = -y;
      sign_y = 0x8000;
      }
   else
      {
      abs_y = y;
      sign_y = 0;
      }

   seWriteRegWord(REG_LCD_CURSOR_X_POS0, (abs_x & 0x7fff) | sign_x);
   seWriteRegWord(REG_LCD_CURSOR_Y_POS0, (abs_y & 0x7fff) | sign_y);
   }

/*-------------------------------------------------------------------------*/

void seMoveCrtCursor(long x, long y)
   {
   long abs_x, abs_y;
   unsigned sign_x, sign_y;
   unsigned width, height;

   seGetCrtResolution(&width, &height);

   if (x < 0)
      {
      abs_x = -x;
      sign_x = 0x8000;
      }
   else
      {
      abs_x = x;
      sign_x = 0;
      }

   if (y < 0)
      {
      abs_y = -y;
      sign_y = 0x8000;
      }
   else
      {
      abs_y = y;
      sign_y = 0;
      }

   seWriteRegWord(REG_CRTTV_CURSOR_X_POS0, (abs_x & 0x7fff) | sign_x);
   seWriteRegWord(REG_CRTTV_CURSOR_Y_POS0, (abs_y & 0x7fff) | sign_y);
   }

/*-------------------------------------------------------------------------*/

void seMoveTvCursor(long x, long y)
   {
   seMoveCrtCursor(x, y);
   }

/*-------------------------------------------------------------------------*/

void seMoveCursor(long x, long y)
   {
   long abs_x, abs_y, tmp;
   unsigned sign_x, sign_y;
   unsigned width, height;
   unsigned DisplayMode;
   unsigned orientation;

   seGetResolution(&width, &height);

   DisplayMode = _ActiveImageSurface->DisplayMode;

   if ((DisplayMode & LCD) && !(DisplayMode & (CRT | TV)))
      orientation = seGetLcdOrientation();
   else
      orientation = LANDSCAPE;

   switch (orientation)
      {
      case ROTATE180:
         x = width - x - 64; 
         y = height - y - 64;
         break;

      case ROTATE90:
         tmp = x;
         x = y;
         y = tmp;
   
         x = height - x - 64;
         break;

      case ROTATE270:
         tmp = x;
         x = y;
         y = tmp;

         y = width - y - 64;
         break;
      }


   if (x < 0)
      {
      abs_x = -x;
      sign_x = 0x8000;
      }
   else
      {
      abs_x = x;
      sign_x = 0;
      }

   if (y < 0)
      {
      abs_y = -y;
      sign_y = 0x8000;
      }
   else
      {
      abs_y = y;
      sign_y = 0;
      }

   if (_ActiveImageSurface->DisplayMode & LCD)
      {
      seWriteRegWord(REG_LCD_CURSOR_X_POS0, (abs_x & 0x7fff) | sign_x);
      seWriteRegWord(REG_LCD_CURSOR_Y_POS0, (abs_y & 0x7fff) | sign_y);
      }


   if (_ActiveImageSurface->DisplayMode & (CRT | TV))
      {
      seWriteRegWord(REG_CRTTV_CURSOR_X_POS0, (abs_x & 0x7fff) | sign_x);
      seWriteRegWord(REG_CRTTV_CURSOR_Y_POS0, (abs_y & 0x7fff) | sign_y);
      }
   }

/*-------------------------------------------------------------------------*/

void seSetLcdCursorColor(int index, DWORD color)
   {
   switch (index)
      {
      case 0:
         seWriteRegDword(REG_LCD_INK_CURS_BLUE0, color);
         break;

      case 1:
         seWriteRegDword(REG_LCD_INK_CURS_BLUE1, color);
         break;
      }
   }

/*-------------------------------------------------------------------------*/

void seSetCrtCursorColor(int index, DWORD color)
   {
   switch (index)
      {
      case 0:
         seWriteRegDword(REG_CRTTV_INK_CURS_BLUE0, color);
         break;

      case 1:
         seWriteRegDword(REG_CRTTV_INK_CURS_BLUE1, color);
         break;
      }
   }

/*-------------------------------------------------------------------------*/

void seSetTvCursorColor(int index, DWORD color)
   {
   seSetCrtCursorColor(index, color);
   }

/*-------------------------------------------------------------------------*/

void seSetCursorColor(int index, DWORD color)
   {
   if (_ActiveImageSurface->DisplayMode & LCD)
      seSetLcdCursorColor(index, color);

   if (_ActiveImageSurface->DisplayMode & (CRT | TV))
      seSetCrtCursorColor(index, color);
   }

/*-------------------------------------------------------------------------*/

void seSetLcdCursorPixel(long x, long y, DWORD color)
   {
   DWORD StartLinearAddress;
   unsigned regDisplayMode;

   StartLinearAddress = seGetLcdCursorLinearAddress();

   /*
   ** If in rotate90 mode, get out of rotate90 mode.
   */
   regDisplayMode = seReadRegByte(REG_DISPLAY_MODE);
   seWriteRegByte(REG_DISPLAY_MODE, regDisplayMode & ~0x40);


   /*
   ** Each line in the cursor has 64 pixels. Since the cursor
   ** is in 2 bpp mode, there are 16 bytes per line.
   */
	_Pixel2bpp(StartLinearAddress, 16, x, y, color);

   seWriteRegByte(REG_DISPLAY_MODE, regDisplayMode);
   }

/*-------------------------------------------------------------------------*/

void seSetCrtCursorPixel(long x, long y, DWORD color)
   {
   DWORD StartLinearAddress;
   unsigned regDisplayMode;

   StartLinearAddress = seGetCrtCursorLinearAddress();

   /*
   ** If in rotate90 mode, get out of rotate90 mode.
   */
   regDisplayMode = seReadRegByte(REG_DISPLAY_MODE);
   seWriteRegByte(REG_DISPLAY_MODE, regDisplayMode & ~0x40);


   /*
   ** Each line in the cursor has 64 pixels. Since the cursor
   ** is in 2 bpp mode, there are 16 bytes per line.
   */
	_Pixel2bpp(StartLinearAddress, 16, x, y, color);

   seWriteRegByte(REG_DISPLAY_MODE, regDisplayMode);
   }

/*-------------------------------------------------------------------------*/

void seSetTvCursorPixel(long x, long y, DWORD color)
   {
   seSetCrtCursorPixel(x, y, color);
   }

/*-------------------------------------------------------------------------*/

void seSetCursorPixel(long x, long y, DWORD color)
   {
   DWORD StartLinearAddress;
   unsigned regDisplayMode;

   StartLinearAddress = seGetCursorLinearAddress();

   /*
   ** If in rotate90 mode, get out of rotate90 mode.
   */
   regDisplayMode = seReadRegByte(REG_DISPLAY_MODE);
   seWriteRegByte(REG_DISPLAY_MODE, regDisplayMode & ~0x40);

   /*
   ** Each line in the cursor has 64 pixels. Since the cursor
   ** is in 2 bpp mode, there are 16 bytes per line.
   */
	_Pixel2bpp(StartLinearAddress, 16, x, y, color);

   seWriteRegByte(REG_DISPLAY_MODE, regDisplayMode);
   }

/*-------------------------------------------------------------------------*/

void seDrawLcdCursorLine(long x1, long y1, long x2, long y2, DWORD color)
   {
   DWORD StartLinearAddress;
   unsigned regDisplayMode;

   StartLinearAddress = seGetLcdCursorLinearAddress();

   /*
   ** If in rotate90 mode, get out of rotate90 mode.
   */
   regDisplayMode = seReadRegByte(REG_DISPLAY_MODE);
   seWriteRegByte(REG_DISPLAY_MODE, regDisplayMode & ~0x40);

   if (x1 > x2)
      {
      _Swap(&x1, &x2);
      _Swap(&y1, &y2);
      }


   /*
   ** Each line in the cursor has 64 pixels. Since the cursor
   ** is in 2 bpp mode, there are 16 bytes per line.
   */
   _Line(StartLinearAddress, 16, x1, y1, x2, y2, color, _Pixel2bpp);

   seWriteRegByte(REG_DISPLAY_MODE, regDisplayMode);
   }

/*-------------------------------------------------------------------------*/

void seDrawCrtCursorLine(long x1, long y1, long x2, long y2, DWORD color)
   {
   DWORD StartLinearAddress;
   unsigned regDisplayMode;

   StartLinearAddress = seGetCrtCursorLinearAddress();

   /*
   ** If in rotate90 mode, get out of rotate90 mode.
   */
   regDisplayMode = seReadRegByte(REG_DISPLAY_MODE);
   seWriteRegByte(REG_DISPLAY_MODE, regDisplayMode & ~0x40);


   if (x1 > x2)
      {
      _Swap(&x1, &x2);
      _Swap(&y1, &y2);
      }


   /*
   ** Each line in the cursor has 64 pixels. Since the cursor
   ** is in 2 bpp mode, there are 16 bytes per line.
   */
   _Line(StartLinearAddress, 16, x1, y1, x2, y2, color, _Pixel2bpp);

   seWriteRegByte(REG_DISPLAY_MODE, regDisplayMode);
   }

/*-------------------------------------------------------------------------*/

void seDrawTvCursorLine(long x1, long y1, long x2, long y2, DWORD color)
   {
   seDrawCrtCursorLine(x1, y1, x2, y2, color);
   }

/*-------------------------------------------------------------------------*/

void seDrawCursorLine(long x1, long y1, long x2, long y2, DWORD color)
   {
   DWORD StartLinearAddress;
   unsigned regDisplayMode;

   StartLinearAddress = seGetCursorLinearAddress();

   /*
   ** If in rotate90 mode, get out of rotate90 mode.
   */
   regDisplayMode = seReadRegByte(REG_DISPLAY_MODE);
   seWriteRegByte(REG_DISPLAY_MODE, regDisplayMode & ~0x40);

   if (x1 > x2)
      {
      _Swap(&x1, &x2);
      _Swap(&y1, &y2);
      }


   /*
   ** Each line in the cursor has 64 pixels. Since the cursor
   ** is in 2 bpp mode, there are 16 bytes per line.
   */
   _Line(StartLinearAddress, 16, x1, y1, x2, y2, color, _Pixel2bpp);

   seWriteRegByte(REG_DISPLAY_MODE, regDisplayMode);
   }

/*-------------------------------------------------------------------------*/

void seDrawLcdCursorRect(long x1, long y1, long x2, long y2, DWORD color, BOOL SolidFill)
   {
   DWORD StartLinearAddress;
   void (*linefn)(DWORD,int,long,long,long,long,DWORD);
   long y;
   unsigned regDisplayMode;

   StartLinearAddress = seGetLcdCursorLinearAddress();

   /*
   ** If in rotate90 mode, get out of rotate90 mode.
   */
   regDisplayMode = seReadRegByte(REG_DISPLAY_MODE);
   seWriteRegByte(REG_DISPLAY_MODE, regDisplayMode & ~0x40);

   if (y1 > y2)
      {
      y = y2;
      y2 = y1;
      y1 = y;
      }


   linefn = _Line2bpp;

   /*
   ** Each line in the cursor has 64 pixels. Since the cursor
   ** is in 2 bpp mode, there are 16 bytes per line.
   */

	if (SolidFill)
      {
	   for (y = y1; y <= y2; y++)
		   (*linefn)(StartLinearAddress, 16, x1, y, x2, y, color);
	   }
	else
      {
	   (*linefn)(StartLinearAddress, 16, x1, y1, x2, y1, color);
	   (*linefn)(StartLinearAddress, 16, x1, y2, x2, y2, color);
	   (*linefn)(StartLinearAddress, 16, x1, y1, x1, y2, color);
	   (*linefn)(StartLinearAddress, 16, x2, y1, x2, y2, color);
	   }

   seWriteRegByte(REG_DISPLAY_MODE, regDisplayMode);
   }

/*-------------------------------------------------------------------------*/

void seDrawCrtCursorRect(long x1, long y1, long x2, long y2, DWORD color, BOOL SolidFill)
   {
   DWORD StartLinearAddress;
   void (*linefn)(DWORD,int,long,long,long,long,DWORD);
   long y;
   unsigned regDisplayMode;

   StartLinearAddress = seGetCrtCursorLinearAddress();

   /*
   ** If in rotate90 mode, get out of rotate90 mode.
   */
   regDisplayMode = seReadRegByte(REG_DISPLAY_MODE);
   seWriteRegByte(REG_DISPLAY_MODE, regDisplayMode & ~0x40);

   if (y1 > y2)
      {
      y = y2;
      y2 = y1;
      y1 = y;
      }


   linefn = _Line2bpp;

   /*
   ** Each line in the cursor has 64 pixels. Since the cursor
   ** is in 2 bpp mode, there are 16 bytes per line.
   */

	if (SolidFill)
      {
	   for (y = y1; y <= y2; y++)
		   (*linefn)(StartLinearAddress, 16, x1, y, x2, y, color);
	   }
	else
      {
	   (*linefn)(StartLinearAddress, 16, x1, y1, x2, y1, color);
	   (*linefn)(StartLinearAddress, 16, x1, y2, x2, y2, color);
	   (*linefn)(StartLinearAddress, 16, x1, y1, x1, y2, color);
	   (*linefn)(StartLinearAddress, 16, x2, y1, x2, y2, color);
	   }

   // Restore previous mode (rotate90 or landscape)
   seWriteRegByte(REG_DISPLAY_MODE, regDisplayMode);
   }

/*-------------------------------------------------------------------------*/

void seDrawTvCursorRect(long x1, long y1, long x2, long y2, DWORD color, BOOL SolidFill)
   {
   seDrawCrtCursorRect(x1, y1, x2, y2, color, SolidFill);
   }

/*-------------------------------------------------------------------------*/

void seDrawCursorRect(long x1, long y1, long x2, long y2, DWORD color, BOOL SolidFill)
   {
   if (_ActiveImageSurface->DisplayMode & LCD)
      seDrawLcdCursorRect(x1, y1, x2, y2, color, SolidFill);

   if (_ActiveImageSurface->DisplayMode & (CRT | TV))
      seDrawCrtCursorRect(x1, y1, x2, y2, color, SolidFill);
   }

/*-------------------------------------------------------------------------*/
hal_curs.c - 源码说明

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