int FillRect_16bpp(HDC hdc, HRECT rect, HBRUSH hbr)
{
int x, y;
uint16 *dstp;
int nXDest, nYDest;
int nWidth, nHeight;
uint16 color16;
RectToCRgn(rect, &nXDest, &nYDest, &nWidth, &nHeight);
if (ClipCoords(hdc, &nXDest, &nYDest, &nWidth, &nHeight, NULL, NULL) == 0)
return 0;
color16 = gdi_get_color_16bpp(hdc, hbr->color);
for (y = 0; y < nHeight; y++)
{
dstp = (uint16*) gdi_get_bitmap_pointer(hdc, nXDest, nYDest + y);
if (dstp != 0)
{
for (x = 0; x < nWidth; x++)
{
*dstp = color16;
dstp++;
}
}
}
InvalidateRegion(hdc, nXDest, nYDest, nWidth, nHeight);
return 0;
}
int FillRect_32bpp(HDC hdc, HRECT rect, HBRUSH hbr)
{
int x, y;
uint8 *dstp;
char r, g, b;
int nXDest, nYDest;
int nWidth, nHeight;
RectToCRgn(rect, &nXDest, &nYDest, &nWidth, &nHeight);
if (ClipCoords(hdc, &nXDest, &nYDest, &nWidth, &nHeight, NULL, NULL) == 0)
return 0;
GetRGB(r, g, b, hbr->color);
for (y = 0; y < nHeight; y++)
{
dstp = gdi_get_bitmap_pointer(hdc, nXDest, nYDest + y);
if (dstp != 0)
{
for (x = 0; x < nWidth; x++)
{
*dstp = b;
dstp++;
*dstp = g;
dstp++;
*dstp = r;
#ifdef USE_ALPHA
dstp++;
*dstp = 0xFF;
dstp++;
#else
dstp += 2;
#endif
}
}
}
InvalidateRegion(hdc, nXDest, nYDest, nWidth, nHeight);
return 0;
}
int FillRect_16bpp(HDC hdc, HRECT rect, HBRUSH hbr)
{
int x, y;
char *dstp;
char r, g, b;
int nXDest, nYDest;
int nWidth, nHeight;
uint16 *dstp16;
uint16 color16;
RectToCRgn(rect, &nXDest, &nYDest, &nWidth, &nHeight);
if (ClipCoords(hdc, &nXDest, &nYDest, &nWidth, &nHeight, NULL, NULL) == 0)
return 0;
GetRGB(r, g, b, hbr->color);
RGB_888_565(r, g, b);
color16 = RGB16(r, g, b);
for (y = 0; y < nHeight; y++)
{
dstp = gdi_get_bitmap_pointer(hdc, nXDest, nYDest + y);
if (dstp != 0)
{
for (x = 0; x < nWidth; x++)
{
dstp16 = (uint16*) dstp;
*dstp16 = color16;
dstp += 2;
}
}
}
InvalidateRegion(hdc, nXDest, nYDest, nWidth, nHeight);
return 0;
}
int ClipCoords(HDC hdc, int *x, int *y, int *w, int *h, int *srcx, int *srcy)
{
RECT bmp;
RECT clip;
RECT coords;
HBITMAP hBmp;
int dx = 0;
int dy = 0;
int draw = 1;
if (hdc == NULL)
return 0;
hBmp = (HBITMAP) hdc->selectedObject;
if (hBmp != NULL)
{
if (hdc->clip->null)
{
CRgnToRect(0, 0, hBmp->width, hBmp->height, &clip);
}
else
{
RgnToRect(hdc->clip, &clip);
CRgnToRect(0, 0, hBmp->width, hBmp->height, &bmp);
if (clip.left < bmp.left)
clip.left = bmp.left;
if (clip.right > bmp.right)
clip.right = bmp.right;
if (clip.top < bmp.top)
clip.top = bmp.top;
if (clip.bottom > bmp.bottom)
clip.bottom = bmp.bottom;
}
}
else
{
RgnToRect(hdc->clip, &clip);
}
CRgnToRect(*x, *y, *w, *h, &coords);
if (coords.right >= clip.left && coords.left <= clip.right &&
coords.bottom >= clip.top && coords.top <= clip.bottom)
{
/* coordinates overlap with clipping region */
if (coords.left < clip.left)
{
dx = (clip.left - coords.left) + 1;
coords.left = clip.left;
}
if (coords.right > clip.right)
coords.right = clip.right;
if (coords.top < clip.top)
{
dy = (clip.top - coords.top) + 1;
coords.top = clip.top;
}
if (coords.bottom > clip.bottom)
coords.bottom = clip.bottom;
}
else
{
/* coordinates do not overlap with clipping region */
coords.left = 0;
coords.right = 0;
coords.top = 0;
coords.bottom = 0;
draw = 0;
}
if (srcx != NULL)
{
if (dx > 0)
{
*srcx += dx - 1;
}
}
if (srcy != NULL)
{
if (dy > 0)
{
*srcy += dy - 1;
}
}
RectToCRgn(&coords, x, y, w, h);
return draw;
}
