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gdi32: Move the colour setting to a separate function.

This commit is contained in:
Huw Davies 2011-08-02 14:11:09 +01:00 committed by Alexandre Julliard
parent 2521bf3cc2
commit 1da138ced0
1 changed files with 42 additions and 33 deletions
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75
dlls/gdi32/dibdrv/dc.c
View File

@ -306,6 +306,46 @@ static BOOL dibdrv_DeleteDC( PHYSDEV dev )
return 0;
}
static void set_color_info( const dib_info *dib, BITMAPINFO *info )
{
info->bmiHeader.biCompression = BI_RGB;
info->bmiHeader.biClrUsed = 0;
switch (info->bmiHeader.biBitCount)
{
case 1:
case 4:
case 8:
if (dib->color_table)
{
info->bmiHeader.biClrUsed = min( dib->color_table_size, 1 << dib->bit_count );
memcpy( info->bmiColors, dib->color_table,
info->bmiHeader.biClrUsed * sizeof(RGBQUAD) );
}
break;
case 16:
if (dib->funcs != &funcs_555)
{
DWORD *masks = (DWORD *)info->bmiColors;
masks[0] = dib->red_mask;
masks[1] = dib->green_mask;
masks[2] = dib->blue_mask;
info->bmiHeader.biCompression = BI_BITFIELDS;
}
break;
case 32:
if (dib->funcs != &funcs_8888)
{
DWORD *masks = (DWORD *)info->bmiColors;
masks[0] = dib->red_mask;
masks[1] = dib->green_mask;
masks[2] = dib->blue_mask;
info->bmiHeader.biCompression = BI_BITFIELDS;
}
break;
}
}
/***********************************************************************
* dibdrv_GetImage
*/
@ -379,39 +419,8 @@ static DWORD dibdrv_GetImage( PHYSDEV dev, HBITMAP hbitmap, BITMAPINFO *info,
info->bmiHeader.biBitCount = pdev->dib.bit_count;
info->bmiHeader.biSizeImage = pdev->dib.height * abs(pdev->dib.stride);
switch (info->bmiHeader.biBitCount)
{
case 1:
case 4:
case 8:
if (pdev->dib.color_table)
{
info->bmiHeader.biClrUsed = min( pdev->dib.color_table_size, 1 << pdev->dib.bit_count );
memcpy( info->bmiColors, pdev->dib.color_table,
info->bmiHeader.biClrUsed * sizeof(RGBQUAD) );
}
break;
case 16:
if (pdev->dib.funcs != &funcs_555)
{
DWORD *masks = (DWORD *)info->bmiColors;
masks[0] = pdev->dib.red_mask;
masks[1] = pdev->dib.green_mask;
masks[2] = pdev->dib.blue_mask;
info->bmiHeader.biCompression = BI_BITFIELDS;
}
break;
case 32:
if (pdev->dib.funcs != &funcs_8888)
{
DWORD *masks = (DWORD *)info->bmiColors;
masks[0] = pdev->dib.red_mask;
masks[1] = pdev->dib.green_mask;
masks[2] = pdev->dib.blue_mask;
info->bmiHeader.biCompression = BI_BITFIELDS;
}
break;
}
set_color_info( &pdev->dib, info );
if (bits)
{
bits->ptr = pdev->dib.bits;