/* return RGB value at specified coordinates*/
COLORREF WINAPI
GetPixel(HDC hdc, int x, int y)
{
HWND hwnd;
POINT pt;
MWPIXELVAL pixel;
MWPALENTRY rgb;
hwnd = MwPrepareDC(hdc);
if(!hwnd)
return CLR_INVALID;
pt.x = x;
pt.y = y;
if(MwIsClientDC(hdc))
ClientToScreen(hwnd, &pt);
/* read pixel value*/
GdReadArea(hdc->psd, pt.x, pt.y, 1, 1, &pixel);
switch(hdc->psd->pixtype) {
case MWPF_TRUECOLOR0888:
case MWPF_TRUECOLOR888:
/* create RGB colorval from 8/8/8 pixel*/
return PIXEL888TOCOLORVAL(pixel);
case MWPF_TRUECOLOR565:
/* create RGB colorval from 5/6/5 pixel*/
return PIXEL565TOCOLORVAL(pixel);
case MWPF_TRUECOLOR555:
/* create RGB colorval from 5/5/5 pixel*/
return PIXEL555TOCOLORVAL(pixel);
case MWPF_TRUECOLOR332:
/* create RGB colorval from 3/3/2 pixel*/
return PIXEL332TOCOLORVAL(pixel);
case MWPF_TRUECOLOR233:
/* create RGB colorval from 2/3/3 pixel*/
return PIXEL233TOCOLORVAL(pixel);
case MWPF_PALETTE:
if(GdGetPalette(hdc->psd, pixel, 1, &rgb))
return RGB(rgb.r, rgb.g, rgb.b);
}
return CLR_INVALID;
}
/* return RGB value at specified coordinates*/
COLORREF WINAPI
GetPixel(HDC hdc, int x, int y)
{
HWND hwnd;
POINT pt;
MWPIXELVALHW pixel;
hwnd = MwPrepareDC(hdc);
if(!hwnd)
return CLR_INVALID;
pt.x = x;
pt.y = y;
if(MwIsClientDC(hdc))
ClientToScreen(hwnd, &pt);
/* read pixel value*/
GdReadArea(hdc->psd, pt.x, pt.y, 1, 1, &pixel);
return GdGetColorRGB(hdc->psd, pixel);
}
