int FillRect_32bpp(HGDI_DC hdc, HGDI_RECT rect, HGDI_BRUSH hbr)
{
int x, y;
uint32 *dstp;
uint32 color32;
int nXDest, nYDest;
int nWidth, nHeight;
gdi_RectToCRgn(rect, &nXDest, &nYDest, &nWidth, &nHeight);
if (gdi_ClipCoords(hdc, &nXDest, &nYDest, &nWidth, &nHeight, NULL, NULL) == 0)
return 0;
color32 = gdi_get_color_32bpp(hdc, hbr->color);
for (y = 0; y < nHeight; y++)
{
dstp = (uint32*) gdi_get_bitmap_pointer(hdc, nXDest, nYDest + y);
if (dstp != 0)
{
for (x = 0; x < nWidth; x++)
{
*dstp = color32;
dstp++;
}
}
}
gdi_InvalidateRegion(hdc, nXDest, nYDest, nWidth, nHeight);
return 0;
}
BOOL FillRect_16bpp(HGDI_DC hdc, HGDI_RECT rect, HGDI_BRUSH hbr)
{
int x, y;
UINT16 *dstp;
int nXDest, nYDest;
int nWidth, nHeight;
UINT16 color16;
gdi_RectToCRgn(rect, &nXDest, &nYDest, &nWidth, &nHeight);
if (!gdi_ClipCoords(hdc, &nXDest, &nYDest, &nWidth, &nHeight, NULL, NULL))
return TRUE;
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++;
}
}
}
if (!gdi_InvalidateRegion(hdc, nXDest, nYDest, nWidth, nHeight))
return FALSE;
return TRUE;
}
BOOL gdi_FillRect(HGDI_DC hdc, const HGDI_RECT rect, HGDI_BRUSH hbr)
{
UINT32 x, y;
UINT32 color, dstColor;
BOOL monochrome = FALSE;
UINT32 nXDest, nYDest;
UINT32 nWidth, nHeight;
const BYTE* srcp;
DWORD formatSize;
gdi_RectToCRgn(rect, &nXDest, &nYDest, &nWidth, &nHeight);
if (!hdc || !hbr)
return FALSE;
if (!gdi_ClipCoords(hdc, &nXDest, &nYDest, &nWidth, &nHeight, NULL, NULL))
return TRUE;
switch (hbr->style)
{
case GDI_BS_SOLID:
color = hbr->color;
for (x = 0; x < nWidth; x++)
{
BYTE* dstp = gdi_get_bitmap_pointer(hdc, nXDest + x,
nYDest);
if (dstp)
WriteColor(dstp, hdc->format, color);
}
srcp = gdi_get_bitmap_pointer(hdc, nXDest, nYDest);
formatSize = GetBytesPerPixel(hdc->format);
for (y = 1; y < nHeight; y++)
{
BYTE* dstp = gdi_get_bitmap_pointer(hdc, nXDest, nYDest + y);
memcpy(dstp, srcp, nWidth * formatSize);
}
break;
case GDI_BS_HATCHED:
case GDI_BS_PATTERN:
monochrome = (hbr->pattern->format == PIXEL_FORMAT_MONO);
formatSize = GetBytesPerPixel(hbr->pattern->format);
for (y = 0; y < nHeight; y++)
{
for (x = 0; x < nWidth; x++)
{
const UINT32 yOffset = ((nYDest + y) * hbr->pattern->width %
hbr->pattern->height) * formatSize;
const UINT32 xOffset = ((nXDest + x) % hbr->pattern->width) * formatSize;
const BYTE* patp = &hbr->pattern->data[yOffset + xOffset];
BYTE* dstp = gdi_get_bitmap_pointer(hdc, nXDest + x,
nYDest + y);
if (!patp)
return FALSE;
if (monochrome)
{
if (*patp == 0)
dstColor = hdc->bkColor;
else
dstColor = hdc->textColor;
}
else
{
dstColor = ReadColor(patp, hbr->pattern->format);
dstColor = ConvertColor(dstColor, hbr->pattern->format, hdc->format, NULL);
}
if (dstp)
WriteColor(dstp, hdc->format, dstColor);
}
}
break;
default:
break;
}
if (!gdi_InvalidateRegion(hdc, nXDest, nYDest, nWidth, nHeight))
return FALSE;
return TRUE;
}
BOOL gdi_ClipCoords(HGDI_DC hdc, INT32* x, INT32* y, INT32* w, INT32* h,
INT32* srcx, INT32* srcy)
{
GDI_RECT bmp;
GDI_RECT clip;
GDI_RECT coords;
HGDI_BITMAP hBmp;
int dx = 0;
int dy = 0;
BOOL draw = TRUE;
if (hdc == NULL)
return FALSE;
hBmp = (HGDI_BITMAP) hdc->selectedObject;
if (hBmp != NULL)
{
if (hdc->clip->null)
{
gdi_CRgnToRect(0, 0, hBmp->width, hBmp->height, &clip);
}
else
{
gdi_RgnToRect(hdc->clip, &clip);
gdi_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
{
gdi_RgnToRect(hdc->clip, &clip);
}
gdi_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);
coords.left = clip.left;
}
if (coords.right > clip.right)
coords.right = clip.right;
if (coords.top < clip.top)
{
dy = (clip.top - coords.top);
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 = FALSE;
}
if (srcx != NULL)
*srcx += dx;
if (srcy != NULL)
*srcy += dy;
gdi_RectToCRgn(&coords, x, y, w, h);
return draw;
}
