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winex11: Remap pixels to system palette in Get/PutImage for 4 and 8 bpp.

This commit is contained in:
Alexandre Julliard 2011-07-18 14:48:01 +02:00
parent 5d22f3aa14
commit be74c47e86
1 changed files with 30 additions and 10 deletions
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40
dlls/winex11.drv/bitblt.c
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@ -1642,7 +1642,7 @@ static void set_color_info( const ColorShifts *color_shifts, BITMAPINFO *info )
/* copy the image bits, fixing up alignment and byte swapping as necessary */
static DWORD copy_image_bits( BITMAPINFO *info, const ColorShifts *color_shifts, XImage *image,
const struct gdi_image_bits *src_bits, struct gdi_image_bits *dst_bits,
unsigned int zeropad_mask )
const int *mapping, unsigned int zeropad_mask )
{
#ifdef WORDS_BIGENDIAN
static const int client_byte_order = MSBFirst;
@ -1678,6 +1678,7 @@ static DWORD copy_image_bits( BITMAPINFO *info, const ColorShifts *color_shifts,
if ((need_byteswap && !src_bits->is_copy) || /* need to swap bytes */
(zeropad_mask != ~0u && !src_bits->is_copy) || /* need to clear padding bytes */
(mapping && !src_bits->is_copy) || /* need to remap pixels */
(width_bytes & 3) || /* need to fixup line alignment */
(info->bmiHeader.biHeight > 0)) /* need to flip vertically */
{
@ -1696,7 +1697,7 @@ static DWORD copy_image_bits( BITMAPINFO *info, const ColorShifts *color_shifts,
dst_bits->offset = src_bits->offset;
dst_bits->is_copy = src_bits->is_copy;
dst_bits->free = NULL;
if (!need_byteswap && zeropad_mask == ~0u) return ERROR_SUCCESS; /* nothing to do */
if (!need_byteswap && zeropad_mask == ~0u && !mapping) return ERROR_SUCCESS; /* nothing to do */
}
src = src_bits->ptr;
@ -1709,7 +1710,7 @@ static DWORD copy_image_bits( BITMAPINFO *info, const ColorShifts *color_shifts,
width_bytes = -width_bytes;
}
if (need_byteswap)
if (need_byteswap || mapping)
{
switch (info->bmiHeader.biBitCount)
{
@ -1722,10 +1723,22 @@ static DWORD copy_image_bits( BITMAPINFO *info, const ColorShifts *color_shifts,
}
break;
case 4:
for (y = 0; y < height; y++, src += image->bytes_per_line, dst += width_bytes)
{
if (mapping)
for (x = 0; x < image->bytes_per_line; x++)
dst[x] = (mapping[src[x] & 0x0f] << 4) | mapping[src[x] >> 4];
else
for (x = 0; x < image->bytes_per_line; x++)
dst[x] = (src[x] << 4) | (src[x] >> 4);
((unsigned int *)dst)[padding_pos] &= zeropad_mask;
}
break;
case 8:
for (y = 0; y < height; y++, src += image->bytes_per_line, dst += width_bytes)
{
for (x = 0; x < image->bytes_per_line; x++)
dst[x] = (src[x] << 4) | (src[x] >> 4);
dst[x] = mapping[src[x]];
((unsigned int *)dst)[padding_pos] &= zeropad_mask;
}
break;
@ -1787,6 +1800,8 @@ DWORD X11DRV_PutImage( PHYSDEV dev, HBITMAP hbitmap, BITMAPINFO *info, const str
struct gdi_image_bits dst_bits;
const XPixmapFormatValues *format;
const ColorShifts *color_shifts;
const BYTE *opcode = BITBLT_Opcodes[(rop >> 16) & 0xff];
const int *mapping = NULL;
if (hbitmap)
{
@ -1845,7 +1860,13 @@ DWORD X11DRV_PutImage( PHYSDEV dev, HBITMAP hbitmap, BITMAPINFO *info, const str
wine_tsx11_unlock();
if (!image) return ERROR_OUTOFMEMORY;
ret = copy_image_bits( info, color_shifts, image, bits, &dst_bits, ~0u );
if (image->bits_per_pixel == 4 || image->bits_per_pixel == 8)
{
if (bitmap || (!opcode[1] && OP_SRCDST(opcode[0]) == OP_ARGS(SRC,DST)))
mapping = X11DRV_PALETTE_PaletteToXPixel;
}
ret = copy_image_bits( info, color_shifts, image, bits, &dst_bits, mapping, ~0u );
if (!ret)
{
@ -1862,8 +1883,6 @@ DWORD X11DRV_PutImage( PHYSDEV dev, HBITMAP hbitmap, BITMAPINFO *info, const str
}
else
{
const BYTE *opcode = BITBLT_Opcodes[(rop >> 16) & 0xff];
X11DRV_LockDIBSection( physdev, DIB_Status_GdiMod );
/* optimization for single-op ROPs */
@ -1931,6 +1950,7 @@ DWORD X11DRV_GetImage( PHYSDEV dev, HBITMAP hbitmap, BITMAPINFO *info,
struct gdi_image_bits src_bits;
const XPixmapFormatValues *format;
const ColorShifts *color_shifts;
const int *mapping = NULL;
if (hbitmap)
{
@ -1952,8 +1972,8 @@ DWORD X11DRV_GetImage( PHYSDEV dev, HBITMAP hbitmap, BITMAPINFO *info,
switch (format->bits_per_pixel)
{
case 1: align = 32; break;
case 4: align = 8; break;
case 8: align = 4; break;
case 4: align = 8; mapping = X11DRV_PALETTE_XPixelToPalette; break;
case 8: align = 4; mapping = X11DRV_PALETTE_XPixelToPalette; break;
case 16: align = 2; break;
case 24: align = 4; break;
case 32: align = 1; break;
@ -2021,7 +2041,7 @@ DWORD X11DRV_GetImage( PHYSDEV dev, HBITMAP hbitmap, BITMAPINFO *info,
src_bits.ptr = image->data;
src_bits.is_copy = TRUE;
ret = copy_image_bits( info, color_shifts, image, &src_bits, bits,
ret = copy_image_bits( info, color_shifts, image, &src_bits, bits, mapping,
zeropad_masks[(width * image->bits_per_pixel) & 31] );
if (!ret && bits->ptr == image->data)