?? lcd6642x.c
字號:
Buffer &= ~BufferMask;
Data = Index << (6 - (((i + x0) & 3) << 1));
Buffer |= Data;
}
break;
}
if (BufferMask == 3) {
BufferMask = 0xC0;
BufferValid = 0;
WRITE_VMEM0(Buffer);
} else {
BufferMask >>= 2;
}
}
if (BufferValid) {
WRITE_VMEM0(Buffer);
}
}
#else
/*
*********************************************************
*
* Draw Bitmap 1 BPP no optimization
*
*********************************************************
*/
static void DrawBitLine1BPP(int x, int y, U8 const *p, int Diff, int xsize, const LCD_PIXELINDEX*pTrans) {
PIXELCOLOR pixels;
PIXELCOLOR Index0 = *(pTrans+0);
PIXELCOLOR Index1 = *(pTrans+1);
/*
// Jump to right entry point
*/
pixels = *p;
switch (GUI_Context.DrawMode & (LCD_DRAWMODE_TRANS|LCD_DRAWMODE_XOR)) {
case 0:
#if defined (SETNEXTPIXEL)
SetPosXY(x,y);
#endif
switch (Diff&7) {
case 0:
goto WriteBit0;
case 1:
goto WriteBit1;
case 2:
goto WriteBit2;
case 3:
goto WriteBit3;
case 4:
goto WriteBit4;
case 5:
goto WriteBit5;
case 6:
goto WriteBit6;
case 7:
goto WriteBit7;
}
break;
case LCD_DRAWMODE_TRANS:
switch (Diff&7) {
case 0:
goto WriteTBit0;
case 1:
goto WriteTBit1;
case 2:
goto WriteTBit2;
case 3:
goto WriteTBit3;
case 4:
goto WriteTBit4;
case 5:
goto WriteTBit5;
case 6:
goto WriteTBit6;
case 7:
goto WriteTBit7;
}
break;
case LCD_DRAWMODE_XOR:
switch (Diff&7) {
case 0:
goto WriteXBit0;
case 1:
goto WriteXBit1;
case 2:
goto WriteXBit2;
case 3:
goto WriteXBit3;
case 4:
goto WriteXBit4;
case 5:
goto WriteXBit5;
case 6:
goto WriteXBit6;
case 7:
goto WriteXBit7;
}
}
/*
Write with transparency
*/
WriteTBit0:
if (pixels&(1<<7)) SETPIXEL(x+0, y, Index1);
if (!--xsize)
return;
WriteTBit1:
if (pixels&(1<<6)) SETPIXEL(x+1, y, Index1);
if (!--xsize)
return;
WriteTBit2:
if (pixels&(1<<5)) SETPIXEL(x+2, y, Index1);
if (!--xsize)
return;
WriteTBit3:
if (pixels&(1<<4)) SETPIXEL(x+3, y, Index1);
if (!--xsize)
return;
WriteTBit4:
if (pixels&(1<<3)) SETPIXEL(x+4, y, Index1);
if (!--xsize)
return;
WriteTBit5:
if (pixels&(1<<2)) SETPIXEL(x+5, y, Index1);
if (!--xsize)
return;
WriteTBit6:
if (pixels&(1<<1)) SETPIXEL(x+6, y, Index1);
if (!--xsize)
return;
WriteTBit7:
if (pixels&(1<<0)) SETPIXEL(x+7, y, Index1);
if (!--xsize)
return;
x+=8;
pixels = *(++p);
goto WriteTBit0;
/*
Write without transparency
*/
#if defined (SETNEXTPIXEL) /* Optimization ! */
WriteBit0:
SetNextPixel(x+0, y, (pixels&(1<<7)) ? Index1 : Index0);
if (!--xsize)
return;
WriteBit1:
SetNextPixel(x+1, y, (pixels&(1<<6)) ? Index1 : Index0);
if (!--xsize)
return;
WriteBit2:
SetNextPixel(x+2, y, (pixels&(1<<5)) ? Index1 : Index0);
if (!--xsize)
return;
WriteBit3:
SetNextPixel(x+3, y, (pixels&(1<<4)) ? Index1 : Index0);
if (!--xsize)
return;
WriteBit4:
SetNextPixel(x+4, y, (pixels&(1<<3)) ? Index1 : Index0);
if (!--xsize)
return;
WriteBit5:
SetNextPixel(x+5, y, (pixels&(1<<2)) ? Index1 : Index0);
if (!--xsize)
return;
WriteBit6:
SetNextPixel(x+6, y, (pixels&(1<<1)) ? Index1 : Index0);
if (!--xsize)
return;
WriteBit7:
SetNextPixel(x+7, y, (pixels&(1<<0)) ? Index1 : Index0);
if (!--xsize)
return;
x+=8;
pixels = *(++p);
goto WriteBit0;
#else
WriteBit0:
SETPIXEL(x+0, y, (pixels&(1<<7)) ? Index1 : Index0);
if (!--xsize)
return;
WriteBit1:
SETPIXEL(x+1, y, (pixels&(1<<6)) ? Index1 : Index0);
if (!--xsize)
return;
WriteBit2:
SETPIXEL(x+2, y, (pixels&(1<<5)) ? Index1 : Index0);
if (!--xsize)
return;
WriteBit3:
SETPIXEL(x+3, y, (pixels&(1<<4)) ? Index1 : Index0);
if (!--xsize)
return;
WriteBit4:
SETPIXEL(x+4, y, (pixels&(1<<3)) ? Index1 : Index0);
if (!--xsize)
return;
WriteBit5:
SETPIXEL(x+5, y, (pixels&(1<<2)) ? Index1 : Index0);
if (!--xsize)
return;
WriteBit6:
SETPIXEL(x+6, y, (pixels&(1<<1)) ? Index1 : Index0);
if (!--xsize)
return;
WriteBit7:
SETPIXEL(x+7, y, (pixels&(1<<0)) ? Index1 : Index0);
if (!--xsize)
return;
x+=8;
pixels = *(++p);
goto WriteBit0;
#endif
/*
Write XOR mode
*/
WriteXBit0:
if (pixels&(1<<7))
XORPIXEL(x+0, y);
if (!--xsize)
return;
WriteXBit1:
if (pixels&(1<<6))
XORPIXEL(x+1, y);
if (!--xsize)
return;
WriteXBit2:
if (pixels&(1<<5))
XORPIXEL(x+2, y);
if (!--xsize)
return;
WriteXBit3:
if (pixels&(1<<4))
XORPIXEL(x+3, y);
if (!--xsize)
return;
WriteXBit4:
if (pixels&(1<<3))
XORPIXEL(x+4, y);
if (!--xsize)
return;
WriteXBit5:
if (pixels&(1<<2))
XORPIXEL(x+5, y);
if (!--xsize)
return;
WriteXBit6:
if (pixels&(1<<1))
XORPIXEL(x+6, y);
if (!--xsize)
return;
WriteXBit7:
if (pixels&(1<<0))
XORPIXEL(x+7, y);
if (!--xsize)
return;
x+=8;
pixels = *(++p);
goto WriteXBit0;
}
#endif
/*
*********************************************************
*
* Draw Bitmap 2 BPP, optimized
*
*********************************************************
*/
#if (LCD_MAX_LOG_COLORS > 2)
#if (LCD_OPTIMIZE) \
&& (LCD_BITSPERPIXEL == 2) \
&& (LCD_SWAP_XY ==1) \
&& (LCD_MIRROR_X==1) \
&& (LCD_MIRROR_Y==0) \
&& (!defined (LCD_LUT_SEG))
static void DrawBitLine2BPP_Swap(
int x,
int y,
U8 const * pData,
int ysize,
const U8 * pTrans,
int BytesPerLine,
U8 Pos)
{
int i;
int y0 = LCD_XSIZE - x - 1;
int x0 = y;
int x0Byte = y >> 2;
U8 Buffer, DataMask, Index, Data, ShiftPos, BufferMask;
U8 BufferValid = 0;
SET_Y0(y0);
SET_X0(x0Byte);
ShiftPos = (Pos & 3) << 1;
BufferMask = 0xC0 >> ((x0 & 3) << 1);
DataMask = 0xC0 >> ShiftPos;
for (i = 0; i < ysize; i++, pData += BytesPerLine) {
if (!BufferValid) {
READ_VMEM0(Buffer);
BufferValid = 1;
}
switch (GUI_Context.DrawMode) {
case LCD_DRAWMODE_NORMAL:
case LCD_DRAWMODE_REV:
Buffer &= ~BufferMask;
Index = *(pTrans + ((*pData & DataMask) >> (6 - ShiftPos)));
Data = Index << (6 - (((i + x0) & 3) << 1));
Buffer |= Data;
break;
case LCD_DRAWMODE_XOR:
Index = *(pTrans + ((*pData & DataMask) >> (6 - ShiftPos))) * 3;
Data = Index << (6 - (((i + x0) & 3) << 1));
Buffer ^= Data;
break;
case LCD_DRAWMODE_TRANS:
Index = *(pTrans + ((*pData & DataMask) >> (6 - ShiftPos)));
if (Index) {
Buffer &= ~BufferMask;
Data = Index << (6 - (((i + x0) & 3) << 1));
Buffer |= Data;
}
break;
}
if (BufferMask == 3) {
BufferMask = 0xC0;
BufferValid = 0;
WRITE_VMEM0(Buffer);
} else {
BufferMask >>= 2;
}
}
if (BufferValid) {
WRITE_VMEM0(Buffer);
}
}
/*
*********************************************************
*
* Draw Bitmap 2 BPP no optimization
*
*********************************************************
*/
#else
static void DrawBitLine2BPP(int x, int y, U8 const *p, int Diff, int xsize, const LCD_PIXELINDEX*pTrans) {
PIXELCOLOR pixels;
/*
// Jump to right entry point
*/
pixels = *p;
switch (GUI_Context.DrawMode & (LCD_DRAWMODE_TRANS|LCD_DRAWMODE_XOR)) {
case 0:
switch (Diff&3) {
case 0:
goto WriteBit0;
case 1:
goto WriteBit1;
case 2:
goto WriteBit2;
default:
goto WriteBit3;
}
case LCD_DRAWMODE_TRANS:
switch (Diff&3) {
case 0:
goto WriteTBit0;
case 1:
goto WriteTBit1;
case 2:
goto WriteTBit2;
default:
goto WriteTBit3;
}
case LCD_DRAWMODE_XOR:
switch (Diff&3) {
case 0:
goto WriteXBit0;
case 1:
goto WriteXBit1;
case 2:
goto WriteXBit2;
default:
goto WriteXBit3;
}
case LCD_DRAWMODE_TRANS|LCD_DRAWMODE_XOR:
switch (Diff&3) {
case 0:
goto WriteTXBit0;
case 1:
goto WriteTXBit1;
case 2:
goto WriteTXBit2;
default:
goto WriteTXBit3;
}
}
/*
Write without transparency
*/
WriteBit0:
SETPIXEL(x+0, y, *(pTrans+(pixels>>6)));
if (!--xsize)
return;
WriteBit1:
SETPIXEL(x+1, y, *(pTrans+(3&(pixels>>4))));
if (!--xsize)
return;
WriteBit2:
SETPIXEL(x+2, y, *(pTrans+(3&(pixels>>2))));
if (!--xsize)
return;
WriteBit3:
SETPIXEL(x+3, y, *(pTrans+(3&(pixels))));
if (!--xsize)
return;
pixels = *(++p);
x+=4;
goto WriteBit0;
/*
Write with transparency
*/
WriteTBit0:
if (pixels&(3<<6))
SETPIXEL(x+0, y, *(pTrans+(pixels>>6)));
if (!--xsize)
return;
WriteTBit1:
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