Skip to content

W
wine-cw
Commit 77c97174 authored by Jacek Caban's avatar Jacek Caban Committed by Alexandre Julliard
Browse files
Options

gdi32: Use GetDIBits in emfdrv_stretchblt.

Signed-off-by: 's avatarJacek Caban <jacek@codeweavers.com> Signed-off-by: 's avatarHuw Davies <huw@codeweavers.com> Signed-off-by: 's avatarAlexandre Julliard <julliard@winehq.org>
parent 8f37560f
Hide whitespace changes
Inline Side-by-side
Showing with 84 additions and 49 deletions
dlls/gdi32/enhmfdrv/bitblt.c
View file @ 77c97174
......@@ -20,51 +20,98 @@
#include <stdarg.h>
#include <string.h>
#include <assert.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "enhmetafiledrv.h"
#include "wine/debug.h"
/* Generate an EMRBITBLT, EMRSTRETCHBLT or EMRALPHABLEND record depending on the type parameter */
static BOOL emfdrv_stretchblt( PHYSDEV dev_dst, struct bitblt_coords *dst, PHYSDEV dev_src,
static BOOL emfdrv_stretchblt( PHYSDEV dev_dst, struct bitblt_coords *dst, HDC hdc_src,
struct bitblt_coords *src, DWORD rop, DWORD type )
{
unsigned char src_buffer[FIELD_OFFSET(BITMAPINFO, bmiColors[256])];
BITMAPINFO *src_info = (BITMAPINFO *)src_buffer;
UINT bits_size, bmi_size, emr_size, size, bpp;
EMRSTRETCHBLT *emr_stretchblt;
struct gdi_image_bits bits;
BITMAPINFO src_info = {{ sizeof( src_info.bmiHeader ) }};
UINT bmi_size, emr_size, size, bpp;
HBITMAP bitmap, blit_bitmap = NULL;
EMRBITBLT *emr = NULL;
BITMAPINFO *bmi;
EMRBITBLT *emr;
DC *dc_src;
DWORD err;
DIBSECTION dib;
HDC blit_dc;
int info_size;
BOOL ret = FALSE;
dc_src = get_physdev_dc(dev_src);
dev_src = GET_DC_PHYSDEV(dc_src, pGetImage);
err = dev_src->funcs->pGetImage(dev_src, src_info, &bits, src);
if (err)
if (!(bitmap = GetCurrentObject( hdc_src, OBJ_BITMAP ))) return FALSE;
if (!(info_size = GetObjectW( bitmap, sizeof(dib), &dib ))) return FALSE;
if (info_size == sizeof(DIBSECTION))
{
SetLastError(err);
return FALSE;
blit_dc = hdc_src;
blit_bitmap = bitmap;
}
else
{
unsigned char dib_info_buffer[FIELD_OFFSET(BITMAPINFO, bmiColors[256])];
BITMAPINFO *dib_info = (BITMAPINFO *)dib_info_buffer;
BITMAP bmp = dib.dsBm;
HPALETTE palette;
void *bits;
assert( info_size == sizeof(BITMAP) );
dib_info->bmiHeader.biSize = sizeof(dib_info->bmiHeader);
dib_info->bmiHeader.biWidth = bmp.bmWidth;
dib_info->bmiHeader.biHeight = bmp.bmHeight;
dib_info->bmiHeader.biPlanes = 1;
dib_info->bmiHeader.biBitCount = bmp.bmBitsPixel;
dib_info->bmiHeader.biCompression = BI_RGB;
dib_info->bmiHeader.biSizeImage = 0;
dib_info->bmiHeader.biXPelsPerMeter = 0;
dib_info->bmiHeader.biYPelsPerMeter = 0;
dib_info->bmiHeader.biClrUsed = 0;
dib_info->bmiHeader.biClrImportant = 0;
switch (dib_info->bmiHeader.biBitCount)
{
case 16:
((DWORD *)dib_info->bmiColors)[0] = 0xf800;
((DWORD *)dib_info->bmiColors)[1] = 0x07e0;
((DWORD *)dib_info->bmiColors)[2] = 0x001f;
break;
case 32:
((DWORD *)dib_info->bmiColors)[0] = 0xff0000;
((DWORD *)dib_info->bmiColors)[1] = 0x00ff00;
((DWORD *)dib_info->bmiColors)[2] = 0x0000ff;
break;
default:
if (dib_info->bmiHeader.biBitCount > 8) break;
if (!(palette = GetCurrentObject( hdc_src, OBJ_PAL ))) return FALSE;
if (!GetPaletteEntries( palette, 0, 256, (PALETTEENTRY *)dib_info->bmiColors ))
return FALSE;
}
if (!(blit_dc = NtGdiCreateCompatibleDC( hdc_src ))) return FALSE;
if (!(blit_bitmap = CreateDIBSection( blit_dc, dib_info, DIB_RGB_COLORS, &bits, NULL, 0 )))
goto err;
if (!SelectObject( blit_dc, blit_bitmap )) goto err;
if (!BitBlt( blit_dc, 0, 0, bmp.bmWidth, bmp.bmHeight, hdc_src, 0, 0, SRCCOPY ))
goto err;
}
if (!GetDIBits( blit_dc, blit_bitmap, 0, INT_MAX, NULL, &src_info, DIB_RGB_COLORS ))
goto err;
bpp = src_info->bmiHeader.biBitCount;
bpp = src_info.bmiHeader.biBitCount;
if (bpp <= 8)
bmi_size = sizeof(BITMAPINFOHEADER) + (1 << bpp) * sizeof(RGBQUAD);
else if (bpp == 16 || bpp == 32)
bmi_size = sizeof(BITMAPINFOHEADER) + 3 * sizeof(RGBQUAD);
else
bmi_size = sizeof(BITMAPINFOHEADER);
/* EMRSTRETCHBLT and EMRALPHABLEND have the same structure */
emr_size = type == EMR_BITBLT ? sizeof(EMRBITBLT) : sizeof(EMRSTRETCHBLT);
bits_size = src_info->bmiHeader.biSizeImage;
size = emr_size + bmi_size + bits_size;
size = emr_size + bmi_size + src_info.bmiHeader.biSizeImage;
emr = HeapAlloc(GetProcessHeap(), 0, size);
if (!emr) goto err;
if (!(emr = HeapAlloc(GetProcessHeap(), 0, size))) goto err;
emr->emr.iType = type;
emr->emr.nSize = size;
......@@ -80,52 +127,40 @@ static BOOL emfdrv_stretchblt( PHYSDEV dev_dst, struct bitblt_coords *dst, PHYSD
emr->ySrc = src->log_y;
if (type == EMR_STRETCHBLT || type == EMR_ALPHABLEND)
{
emr_stretchblt = (EMRSTRETCHBLT *)emr;
EMRSTRETCHBLT *emr_stretchblt = (EMRSTRETCHBLT *)emr;
emr_stretchblt->cxSrc = src->log_width;
emr_stretchblt->cySrc = src->log_height;
}
emr->dwRop = rop;
NtGdiGetTransform( dev_src->hdc, 0x204, &emr->xformSrc );
emr->crBkColorSrc = GetBkColor(dev_src->hdc);
NtGdiGetTransform( hdc_src, 0x204, &emr->xformSrc );
emr->crBkColorSrc = GetBkColor( hdc_src );
emr->iUsageSrc = DIB_RGB_COLORS;
emr->offBmiSrc = emr_size;
emr->cbBmiSrc = bmi_size;
emr->offBitsSrc = emr_size + bmi_size;
emr->cbBitsSrc = bits_size;
emr->cbBitsSrc = src_info.bmiHeader.biSizeImage;
bmi = (BITMAPINFO *)((BYTE *)emr + emr->offBmiSrc);
memcpy(bmi, src_info, bmi_size);
memcpy((BYTE *)emr + emr->offBitsSrc, bits.ptr, bits_size);
bmi->bmiHeader.biClrUsed = 0;
if (bmi->bmiHeader.biCompression == BI_RGB && bmi->bmiHeader.biBitCount == 16)
{
bmi->bmiHeader.biCompression = BI_BITFIELDS;
((DWORD *)bmi->bmiColors)[0] = 0xf800;
((DWORD *)bmi->bmiColors)[1] = 0x07e0;
((DWORD *)bmi->bmiColors)[2] = 0x001f;
}
else if (bmi->bmiHeader.biCompression == BI_RGB && bmi->bmiHeader.biBitCount == 32)
bmi->bmiHeader = src_info.bmiHeader;
ret = GetDIBits( blit_dc, blit_bitmap, 0, src_info.bmiHeader.biHeight, (BYTE *)emr + emr->offBitsSrc,
bmi, DIB_RGB_COLORS );
if (ret)
{
bmi->bmiHeader.biCompression = BI_BITFIELDS;
((DWORD *)bmi->bmiColors)[0] = 0xff0000;
((DWORD *)bmi->bmiColors)[1] = 0x00ff00;
((DWORD *)bmi->bmiColors)[2] = 0x0000ff;
ret = EMFDRV_WriteRecord( dev_dst, (EMR *)emr );
if (ret) EMFDRV_UpdateBBox( dev_dst, &emr->rclBounds );
}
ret = EMFDRV_WriteRecord(dev_dst, (EMR *)emr);
if (ret) EMFDRV_UpdateBBox(dev_dst, &emr->rclBounds);
err:
HeapFree(GetProcessHeap(), 0, emr);
if (bits.free) bits.free(&bits);
HeapFree( GetProcessHeap(), 0, emr );
if (blit_bitmap && blit_bitmap != bitmap) DeleteObject( blit_bitmap );
if (blit_dc && blit_dc != hdc_src) DeleteDC( blit_dc );
return ret;
}
BOOL CDECL EMFDRV_AlphaBlend( PHYSDEV dev_dst, struct bitblt_coords *dst,
PHYSDEV dev_src, struct bitblt_coords *src, BLENDFUNCTION func )
{
return emfdrv_stretchblt(dev_dst, dst, dev_src, src, *(DWORD *)&func, EMR_ALPHABLEND);
return emfdrv_stretchblt( dev_dst, dst, dev_src->hdc, src, *(DWORD *)&func, EMR_ALPHABLEND );
}
BOOL CDECL EMFDRV_PatBlt( PHYSDEV dev, struct bitblt_coords *dst, DWORD rop )
......@@ -176,9 +211,9 @@ BOOL CDECL EMFDRV_StretchBlt( PHYSDEV devDst, struct bitblt_coords *dst,
PHYSDEV devSrc, struct bitblt_coords *src, DWORD rop )
{
if (src->log_width == dst->log_width && src->log_height == dst->log_height)
return emfdrv_stretchblt(devDst, dst, devSrc, src, rop, EMR_BITBLT);
return emfdrv_stretchblt( devDst, dst, devSrc->hdc, src, rop, EMR_BITBLT );
else
return emfdrv_stretchblt(devDst, dst, devSrc, src, rop, EMR_STRETCHBLT);
return emfdrv_stretchblt( devDst, dst, devSrc->hdc, src, rop, EMR_STRETCHBLT );
}
INT CDECL EMFDRV_StretchDIBits( PHYSDEV dev, INT xDst, INT yDst, INT widthDst, INT heightDst,
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment