lcdlin32.c

图像系统uc_GUI

        AndMask = ~(0xFFFFFFFF << NumPixel_0);
        if ((32 - NumPixel_0) > xsize) {
          AndMask |= ~(0xFFFFFFFF >> (31 - NumPixel_1));
        }
        for (i = NumPixel_0; (i < 32) && xsize; i++, xsize--) {
          U8 Index = *p & (0x80 >> Diff) ? Index1 : Index0;
          if (++Diff == 8) {
            Diff = 0;
            p++;
          }
          ColorMask |= Index << i;
        }
        Data = READ_MEM(Off);
        Data &= AndMask;
        Data |= ColorMask;
        WRITE_MEM(Off, Data);
        Off++;
      }
      /* Complete DWORDS */
      while (xsize >= 32) {
        ColorMask = 0;
        for (i = 0; i < 32; i++) {
          U8 Index = *p & (0x80 >> Diff) ? Index1 : Index0;
          if (++Diff == 8) {
            Diff = 0;
            p++;
          }
          ColorMask |= Index << i;
        }
        WRITE_MEM(Off, ColorMask);
        Off++;
        xsize -= 32;
      }
      /* Last DWORD */
      if (xsize) {
        ColorMask = i = 0;
        AndMask = 0xFFFFFFFE << NumPixel_1;
        while (xsize) {
          U8 Index = *p & (0x80 >> Diff) ? Index1 : Index0;
          if (++Diff == 8) {
            Diff = 0;
            p++;
          }
          ColorMask |= Index << i++;
          xsize--;
        }
        Data = READ_MEM(Off);
        Data &= AndMask;
        Data |= ColorMask;
        WRITE_MEM(Off, Data);
      }
    }
  } else {
    switch (Mode) {
    case LCD_DRAWMODE_TRANS:
      do {
        if (*p & (0x80 >> Diff)) {
          LCD_L0_SetPixelIndex(x, y, Index1);
        }
        x++;
        if (++Diff == 8) {
          Diff = 0;
          p++;
        }
      } while (--xsize);
      break;
    case LCD_DRAWMODE_XOR | LCD_DRAWMODE_TRANS:
    case LCD_DRAWMODE_XOR:
      do {
        if (*p & (0x80 >> Diff)) {
          int Pixel = LCD_L0_GetPixelIndex(x, y);
          LCD_L0_SetPixelIndex(x, y, LCD_NUM_COLORS - 1 - Pixel);
        }
        x++;
        if (++Diff == 8) {
          Diff = 0;
          p++;
        }
      } while (--xsize);
      break;
    }
  }
}

/*********************************************************************
*
*       Draw Bitmap 1 BPP, not optimized
*/
#else

#if LCD_ALLOW_NON_OPTIMIZED_MODE == 0
  #error Non-optimized mode. Please select an other mode, define LCD_ALLOW_NON_OPTIMIZED_MODE in LCDCOnf.h or contact [e-mail].
#endif

static void _DrawBitLine1BPP(unsigned x, unsigned y, U8 const GUI_UNI_PTR * p, int Diff, int xsize, const LCD_PIXELINDEX * pTrans) {
  LCD_PIXELINDEX Index0, Index1;
  #if (GUI_USE_MEMDEV_1BPP_FOR_SCREEN == 1)
    const LCD_PIXELINDEX aTrans[2] = {0, 1};
    if (!pTrans) {
      pTrans = aTrans;
    }
  #endif
  Index0 = *(pTrans + 0);
  Index1 = *(pTrans + 1);
  x += Diff;
  switch (GUI_Context.DrawMode & (LCD_DRAWMODE_TRANS | LCD_DRAWMODE_XOR)) {
  case 0:
    do {
      LCD_L0_SetPixelIndex(x++, y, (*p & (0x80 >> Diff)) ? Index1 : Index0);
      if (++Diff == 8) {
        Diff = 0;
        p++;
      }
    } while (--xsize);
    break;
  case LCD_DRAWMODE_TRANS:
    do {
      if (*p & (0x80 >> Diff))
        LCD_L0_SetPixelIndex(x, y, Index1);
      x++;
      if (++Diff == 8) {
        Diff = 0;
        p++;
      }
    } while (--xsize);
    break;
  case LCD_DRAWMODE_XOR | LCD_DRAWMODE_TRANS:
  case LCD_DRAWMODE_XOR:
    do {
      if (*p & (0x80 >> Diff)) {
        int Pixel = LCD_L0_GetPixelIndex(x, y);
        LCD_L0_SetPixelIndex(x, y, LCD_NUM_COLORS - 1 - Pixel);
      }
      x++;
      if (++Diff == 8) {
        Diff = 0;
        p++;
      }
    } while (--xsize);
    break;
  }
}
#endif

/*********************************************************************
*
*       Draw Bitmap 2 BPP
*/
#if (LCD_MAX_LOG_COLORS > 2)
static void  _DrawBitLine2BPP(int x, int y, U8 const GUI_UNI_PTR * p, int Diff, int xsize, const LCD_PIXELINDEX * pTrans) {
  LCD_PIXELINDEX Pixels = *p;
  int CurrentPixel = Diff;
  x += Diff;
  switch (GUI_Context.DrawMode & (LCD_DRAWMODE_TRANS | LCD_DRAWMODE_XOR)) {
    case 0:
      if (pTrans) {
        do {
          int Shift = (3 - CurrentPixel) << 1;
          int Index = (Pixels & (0xC0 >> (6 - Shift))) >> Shift;
          LCD_PIXELINDEX PixelIndex = *(pTrans + Index);
          LCD_L0_SetPixelIndex(x++, y, PixelIndex);
          if (++CurrentPixel == 4) {
            CurrentPixel = 0;
            Pixels = *(++p);
          }
        } while (--xsize);
      } else {
        do {
          int Shift = (3 - CurrentPixel) << 1;
          int Index = (Pixels & (0xC0 >> (6 - Shift))) >> Shift;
          LCD_L0_SetPixelIndex(x++, y, Index);
          if (++CurrentPixel == 4) {
            CurrentPixel = 0;
            Pixels = *(++p);
          }
        } while (--xsize);
      }
      break;
    case LCD_DRAWMODE_TRANS:
      if (pTrans) {
        do {
          int Shift = (3 - CurrentPixel) << 1;
          int Index = (Pixels & (0xC0 >> (6 - Shift))) >> Shift;
          if (Index) {
            LCD_PIXELINDEX PixelIndex = *(pTrans + Index);
            LCD_L0_SetPixelIndex(x, y, PixelIndex);
          }
          x++;
          if (++CurrentPixel == 4) {
            CurrentPixel = 0;
            Pixels = *(++p);
          }
        } while (--xsize);
      } else {
        do {
          int Shift = (3 - CurrentPixel) << 1;
          int Index = (Pixels & (0xC0 >> (6 - Shift))) >> Shift;
          if (Index) {
            LCD_L0_SetPixelIndex(x, y, Index);
          }
          x++;
          if (++CurrentPixel == 4) {
            CurrentPixel = 0;
            Pixels = *(++p);
          }
        } while (--xsize);
      }
      break;
  }
}
#endif

/*********************************************************************
*
*       Draw Bitmap 4 BPP, optimized for LCD_ENDIAN_BIG == 0, LCD_BITSPERPIXEL == 4
*/
#if (LCD_MAX_LOG_COLORS > 4)
#if (LCD_ENDIAN_BIG == 0) && \
    (LCD_BITSPERPIXEL == 4) && \
    (!LCD_MIRROR_X) && \
    (!LCD_MIRROR_Y) && \
    (!LCD_SWAP_XY)
static void  _DrawBitLine4BPP(int x, int y, U8 const GUI_UNI_PTR * p, int Diff, int xsize, const LCD_PIXELINDEX * pTrans) {
  LCD_PIXELINDEX Pixels = *p;
  int CurrentPixel = Diff;
  x += Diff;
  if ((GUI_Context.DrawMode & LCD_DRAWMODE_TRANS) == 0) {
    int Off, NumPixel_0, NumPixel_1, i;
    U32 Data, ColorMask, AndMask;
    Off = y * DWORDS_PER_LINE + x / PIXELS_PER_DWORD;
    NumPixel_0 = x & (PIXELS_PER_DWORD - 1);
    NumPixel_1 = (x + xsize - 1) & (PIXELS_PER_DWORD - 1);
    if (pTrans) {
      /* First DWORD */
      if (NumPixel_0) {
        ColorMask = 0;
        AndMask = ~(0xFFFFFFFF << (4 * NumPixel_0));
        if ((8 - NumPixel_0) > xsize) {
          AndMask |= ~(0xFFFFFFFF >> (4 * (7 - NumPixel_1)));
        }
        for (i = NumPixel_0; (i < 8) && xsize; i++, xsize--) {
          int Shift = 4 * (1 - CurrentPixel);
          U8 Pixel = (*p & (0xF << Shift)) >> Shift;
          U8 Index = *(pTrans + Pixel);
          ColorMask |= Index << (4 * i);
          if (++CurrentPixel == 2) {
            CurrentPixel = 0;
            p++;
          }
        }
        Data = READ_MEM(Off);
        Data &= AndMask;
        Data |= ColorMask;
        WRITE_MEM(Off, Data);
        Off++;
      }
      /* Complete DWORDS */
      while (xsize >= 8) {
        ColorMask = 0;
        for (i = 0; i < 8; i++) {
          int Shift = 4 * (1 - CurrentPixel);
          U8 Pixel = (*p & (0xF << Shift)) >> Shift;
          U8 Index = *(pTrans + Pixel);
          ColorMask |= Index << (4 * i);
          if (++CurrentPixel == 2) {
            CurrentPixel = 0;
            p++;
          }
        }
        WRITE_MEM(Off, ColorMask);
        Off++;
        xsize -= 8;
      }
      /* Last DWORD */
      if (xsize) {
        ColorMask = i = 0;
        AndMask = 0xFFFFFFF0 << (4 * NumPixel_1);
        while (xsize) {
          int Shift = 4 * (1 - CurrentPixel);
          U8 Pixel = (*p & (0xF << Shift)) >> Shift;
          U8 Index = *(pTrans + Pixel);
          ColorMask |= Index << (4 * i++);
          if (++CurrentPixel == 2) {
            CurrentPixel = 0;
            p++;
          }
          xsize--;
        }
        Data = READ_MEM(Off);
        Data &= AndMask;
        Data |= ColorMask;
        WRITE_MEM(Off, Data);
      }
    } else {
      /* First DWORD */
      if (NumPixel_0) {
        ColorMask = 0;
        AndMask = ~(0xFFFFFFFF << (4 * NumPixel_0));
        if ((8 - NumPixel_0) > xsize) {
          AndMask |= ~(0xFFFFFFFF >> (4 * (7 - NumPixel_1)));
        }
        for (i = NumPixel_0; (i < 8) && xsize; i++, xsize--) {
          int Shift = 4 * (1 - CurrentPixel);
          U8 Index = (*p & (0xF << Shift)) >> Shift;
          ColorMask |= Index << (4 * i);
          if (++CurrentPixel == 2) {
            CurrentPixel = 0;
            p++;
          }
        }
        Data = READ_MEM(Off);
        Data &= AndMask;
        Data |= ColorMask;
        WRITE_MEM(Off, Data);
        Off++;
      }
      /* Complete DWORDS */
      while (xsize >= 8) {
        ColorMask = 0;
        for (i = 0; i < 8; i++) {
          int Shift = 4 * (1 - CurrentPixel);
          U8 Index = (*p & (0xF << Shift)) >> Shift;
          ColorMask |= Index << (4 * i);
          if (++CurrentPixel == 2) {
            CurrentPixel = 0;
            p++;
          }
        }
        WRITE_MEM(Off, ColorMask);
        Off++;
        xsize -= 8;
      }
      /* Last DWORD */
      if (xsize) {
        ColorMask = i = 0;
        AndMask = 0xFFFFFFF0 << (4 * NumPixel_1);
        while (xsize) {
          int Shift = 4 * (1 - CurrentPixel);
          U8 Index = (*p & (0xF << Shift)) >> Shift;
          ColorMask |= Index << (4 * i++);
          if (++CurrentPixel == 2) {
            CurrentPixel = 0;
            p++;
          }
          xsize--;
        }
        Data = READ_MEM(Off);
        Data &= AndMask;
        Data |= ColorMask;
        WRITE_MEM(Off, Data);
      }
    }
  } else {
    if (pTrans) {
      do {
        int Shift = (1 - CurrentPixel) << 2;
        int Index = (Pixels & (0xF0 >> (4 - Shift))) >> Shift;
        if (Index) {
          LCD_PIXELINDEX PixelIndex = *(pTrans + Index);
          LCD_L0_SetPixelIndex(x, y, PixelIndex);
        }
        x++;
        if (++CurrentPixel == 2) {
          CurrentPixel = 0;
          Pixels = *(++p);
        }
      } while (--xsize);
    } else {
      do {
        int Shift = (1 - CurrentPixel) << 2;
        int Index = (Pixels & (0xF0 >> (4 - Shift))) >> Shift;
        if (Index) {
          LCD_L0_SetPixelIndex(x, y, Index);
        }
        x++;
        if (++CurrentPixel == 2) {
          CurrentPixel = 0;
          Pixels = *(++p);
        }
      } while (--xsize);
    }
  }
}

/*********************************************************************
*
*       Draw Bitmap 4 BPP, not optimized
*/
#else
static void  _DrawBitLine4BPP(int x, int y, U8 const GUI_UNI_PTR * p, int Diff, int xsize, const LCD_PIXELINDEX * pTrans) {
  LCD_PIXELINDEX Pixels = *p;
  int CurrentPixel = Diff;
  x += Diff;
  switch (GUI_Context.DrawMode & (LCD_DRAWMODE_TRANS | LCD_DRAWMODE_XOR)) {
  case 0:
    if (pTrans) {
      do {
        int Shift = (1 - CurrentPixel) << 2;
        int Index = (Pixels & (0xF0 >> (4 - Shift))) >> Shift;
        LCD_PIXELINDEX PixelIndex = *(pTrans + Index);
        LCD_L0_SetPixelIndex(x++, y, PixelIndex);
        if (++CurrentPixel == 2) {
          CurrentPixel = 0;
          Pixels = *(++p);
        }
      } while (--xsize);
    } else {
      do {
        int Shift = (1 - CurrentPixel) << 2;
        int Index = (Pixels & (0xF0 >> (4 - Shift))) >> Shift;
        LCD_L0_SetPixelIndex(x++, y, Index);
        if (++CurrentPixel == 2) {
          CurrentPixel = 0;
          Pixels = *(++p);
        }
      } while (--xsize);
    }
    break;
  case LCD_DRAWMODE_TRANS:
    if (pTrans) {
      do {
        int Shift = (1 - CurrentPixel) << 2;
        int Index = (Pixels & (0xF0 >> (4 - Shift))) >> Shift;
        if (Index) {
          LCD_PIXELINDEX PixelIndex = *(pTrans + Index);
          LCD_L0_SetPixelIndex(x, y, PixelIndex);
        }
        x++;
        if (++CurrentPixel == 2) {
          CurrentPixel = 0;
          Pixels = *(++p);