示例#1
0
void FBLinear8::RevRect(int x1,int y1,int x2,int y2) {
    assert( x1 >= 0 && x1 < Width() && y1 >=0 && y1 < Height());
    assert( x2 >= 0 && x2 < Width() && y2 >=0 && y2 < Height());
    assert(x1 <= x2 && y1 <= y2);
    __u8* dest = (__u8*)mpBuf + mNextLine * y1 + x1;

    int height = y2 - y1 + 1;
    int width = x2 - x1 + 1;
    int cnt;
    __u8* dest8;
    __u16* dest16;
    __u32 *dest32;
    for(; height--; dest += mNextLine) {
        dest32 = (__u32*)dest;
        for (cnt = width/4; cnt--;) {
            fb_writel(fb_readl(dest32) ^ 0x0f0f0f0f, dest32++);
        }
        if (width & 2) {
            dest16 = (__u16*)dest32;
            fb_writew(fb_readw(dest16) ^ 0x0f0f, dest16++);
            dest32 = (__u32*)dest16;
        }
        if (width & 1) {
            dest8 = (__u8*)dest32;
            fb_writeb(fb_readb(dest8) ^ 0x0f, dest8);
        }
    }
}
示例#2
0
static inline unsigned long copy_from_user16(void *to, const void *from,
					     unsigned long n)
{
	u16 *dst = (u16 *) to;
	u16 *src = (u16 *) from;

	while (n > 1) {
		u16 v;
		if (__get_user(v, src))
			return n;

		fb_writew(v, dst);

		src++, dst++;
		n -= 2;
	}

	if (n) {
		u8 v;

		if (__get_user(v, ((u8 *) src)))
			return n;

		fb_writeb(v, dst);
	}

	return 0;
}
示例#3
0
void FBLinear8::DrawChar(int x,int y,int fg,int bg,struct CharBitMap* pFont) {
    __u32 eorx,fgx,bgx;
    fgx = fg;
    bgx = bg;
    fgx |= (fgx << 8);
    fgx |= (fgx << 16);
    bgx |= (bgx << 8);
    bgx |= (bgx << 16);
    eorx = fgx ^ bgx;

    __u8* dest = ((__u8*)mpBuf + mNextLine * y + x);
    __u32* dest32;
    __u16* tmp_half;

    char* cdat = pFont->pBuf;
    int rows, cnt;
    for (rows = mBlockHeight; rows-- ; dest += mNextLine) {
        dest32 = (__u32*)dest;
        for (cnt = (pFont->w)/8; cnt--;) {
            fb_writel((nibbletab_cfb8[*cdat >> 4] & eorx) ^ bgx, dest32++);
            fb_writel((nibbletab_cfb8[*cdat & 0xf] & eorx) ^ bgx, dest32++);
            cdat++;
        }
        if (pFont->isMulti8)
            continue;

        if (pFont->w & 4) {
            fb_writel((nibbletab_cfb8[*cdat >> 4] & eorx) ^ bgx, dest32++);
        }
        if (pFont->w & 2) {
            fb_writew((nibbletab_cfb8[*cdat & 0xc] & eorx) ^ bgx, dest32);
            tmp_half = (__u16*) dest32;
            dest32 = (__u32*) ++tmp_half;
        }
        if (pFont->w & 1) {
            fb_writeb((*cdat & 2) ? fg : bg, (__u8*)dest32);
        }
        cdat++;
    }