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/*
* Enhanced MetaFile recording functions
*
* Copyright 1999 Huw D M Davies
* Copyright 2016 Alexandre Julliard
* Copyright 2021 Jacek Caban for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <assert.h>
#include <stdlib.h>
#include "gdi_private.h"
#include "winnls.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(enhmetafile);
struct emf
{
ENHMETAHEADER *emh;
DC_ATTR *dc_attr;
UINT handles_size, cur_handles;
HGDIOBJ *handles;
HANDLE file;
HBRUSH dc_brush;
HPEN dc_pen;
BOOL path;
};
#define HANDLE_LIST_INC 20
static const RECTL empty_bounds = { 0, 0, -1, -1 };
static BOOL emfdc_record( struct emf *emf, EMR *emr )
{
DWORD len, size;
ENHMETAHEADER *emh;
TRACE( "record %d, size %d\n", emr->iType, emr->nSize );
assert( !(emr->nSize & 3) );
emf->emh->nBytes += emr->nSize;
emf->emh->nRecords++;
size = HeapSize( GetProcessHeap(), 0, emf->emh );
len = emf->emh->nBytes;
if (len > size)
{
size += (size / 2) + emr->nSize;
emh = HeapReAlloc( GetProcessHeap(), 0, emf->emh, size );
if (!emh) return FALSE;
emf->emh = emh;
}
memcpy( (char *)emf->emh + emf->emh->nBytes - emr->nSize, emr, emr->nSize );
return TRUE;
}
static void emfdc_update_bounds( struct emf *emf, RECTL *rect )
{
RECTL *bounds = &emf->dc_attr->emf_bounds;
RECTL vport_rect = *rect;
LPtoDP( emf->dc_attr->hdc, (POINT *)&vport_rect, 2 );
/* The coordinate systems may be mirrored
(LPtoDP handles points, not rectangles) */
if (vport_rect.left > vport_rect.right)
{
LONG temp = vport_rect.right;
vport_rect.right = vport_rect.left;
vport_rect.left = temp;
}
if (vport_rect.top > vport_rect.bottom)
{
LONG temp = vport_rect.bottom;
vport_rect.bottom = vport_rect.top;
vport_rect.top = temp;
}
if (bounds->left > bounds->right)
{
/* first bounding rectangle */
*bounds = vport_rect;
}
else
{
bounds->left = min(bounds->left, vport_rect.left);
bounds->top = min(bounds->top, vport_rect.top);
bounds->right = max(bounds->right, vport_rect.right);
bounds->bottom = max(bounds->bottom, vport_rect.bottom);
}
}
static UINT get_bitmap_info( HDC *hdc, HBITMAP *bitmap, BITMAPINFO *info )
{
HBITMAP blit_bitmap;
HDC blit_dc;
UINT info_size, bpp;
DIBSECTION dib;
if (!(info_size = GetObjectW( *bitmap, sizeof(dib), &dib ))) return 0;
if (info_size == sizeof(dib))
{
blit_dc = *hdc;
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, OBJ_PAL ))) return FALSE;
if (!GetPaletteEntries( palette, 0, 256, (PALETTEENTRY *)dib_info->bmiColors ))
return FALSE;
}
if (!(blit_dc = NtGdiCreateCompatibleDC( *hdc ))) 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, 0, 0, SRCCOPY ))
goto err;
}
if (!GetDIBits( blit_dc, blit_bitmap, 0, INT_MAX, NULL, info, DIB_RGB_COLORS ))
goto err;
bpp = info->bmiHeader.biBitCount;
if (bpp <= 8)
return sizeof(BITMAPINFOHEADER) + (1 << bpp) * sizeof(RGBQUAD);
else if (bpp == 16 || bpp == 32)
return sizeof(BITMAPINFOHEADER) + 3 * sizeof(RGBQUAD);
return sizeof(BITMAPINFOHEADER);
err:
if (blit_dc && blit_dc != *hdc) DeleteDC( blit_dc );
if (blit_bitmap && blit_bitmap != *bitmap) DeleteObject( blit_bitmap );
return 0;
}
/*******************************************************************************************
* Verify that the DIB parameters are valid.
*/
static BOOL is_valid_dib_format( const BITMAPINFOHEADER *info, BOOL allow_compression )
{
if (info->biWidth <= 0) return FALSE;
if (info->biHeight == 0) return FALSE;
if (allow_compression && (info->biCompression == BI_RLE4 || info->biCompression == BI_RLE8))
{
if (info->biHeight < 0) return FALSE;
if (!info->biSizeImage) return FALSE;
return info->biBitCount == (info->biCompression == BI_RLE4 ? 4 : 8);
}
if (!info->biPlanes) return FALSE;
/* check for size overflow */
if (!info->biBitCount) return FALSE;
if (UINT_MAX / info->biBitCount < info->biWidth) return FALSE;
if (UINT_MAX / get_dib_stride( info->biWidth, info->biBitCount ) < abs( info->biHeight )) return FALSE;
switch (info->biBitCount)
{
case 1:
case 4:
case 8:
case 24:
return (info->biCompression == BI_RGB);
case 16:
case 32:
return (info->biCompression == BI_BITFIELDS || info->biCompression == BI_RGB);
default:
return FALSE;
}
}
static BOOL emf_parse_user_bitmapinfo( BITMAPINFOHEADER *dst, const BITMAPINFOHEADER *info,
UINT coloruse, BOOL allow_compression,
UINT *bmi_size, UINT *img_size )
{
UINT colour_table_size;
if (coloruse > DIB_PAL_COLORS + 1) return FALSE; /* FIXME: handle DIB_PAL_COLORS+1 format */
if (!info) return FALSE;
memset(dst, 0, sizeof(*dst));
if (info->biSize == sizeof(BITMAPCOREHEADER))
{
const BITMAPCOREHEADER *core = (const BITMAPCOREHEADER *)info;
dst->biWidth = core->bcWidth;
dst->biHeight = core->bcHeight;
dst->biPlanes = core->bcPlanes;
dst->biBitCount = core->bcBitCount;
dst->biCompression = BI_RGB;
dst->biXPelsPerMeter = 0;
dst->biYPelsPerMeter = 0;
dst->biClrUsed = 0;
dst->biClrImportant = 0;
}
else if (info->biSize >= sizeof(BITMAPINFOHEADER)) /* assume BITMAPINFOHEADER */
{
*dst = *info;
}
else
{
WARN( "(%u): unknown/wrong size for header\n", info->biSize );
return FALSE;
}
dst->biSize = sizeof(*dst);
if (!is_valid_dib_format( dst, allow_compression )) return FALSE;
colour_table_size = 0;
if (dst->biCompression == BI_BITFIELDS)
{
colour_table_size = 3 * sizeof(DWORD);
}
else if (dst->biBitCount <= 8)
{
UINT elm_size = coloruse == DIB_PAL_COLORS ? sizeof(WORD) : sizeof(DWORD);
UINT colours = dst->biClrUsed;
/* Windows never truncates colour tables, even if they are
* unnecessarily big (> 1<<bpp). We emulate this behaviour. */
if (colours > UINT_MAX / elm_size)
{
WARN( "too many colours in palette (%u > %u)\n",
colours, UINT_MAX / elm_size );
return FALSE;
}
colour_table_size = colours * elm_size;
}
*bmi_size = sizeof(BITMAPINFOHEADER) + colour_table_size;
if (*bmi_size < sizeof(BITMAPINFOHEADER))
return FALSE;
if (dst->biCompression == BI_RGB || dst->biCompression == BI_BITFIELDS)
*img_size = get_dib_stride( dst->biWidth, dst->biBitCount ) * abs( dst->biHeight );
else
*img_size = dst->biSizeImage;
return TRUE;
}
static void emf_copy_colours_from_user_bitmapinfo( BITMAPINFO *dst, const BITMAPINFO *info, UINT coloruse )
{
if (dst->bmiHeader.biCompression == BI_BITFIELDS)
{
/* bitfields are always at bmiColors even in larger structures */
memcpy( dst->bmiColors, info->bmiColors, 3 * sizeof(DWORD) );
}
else if (dst->bmiHeader.biBitCount <= 8)
{
void *src_colors = (char *)info + info->bmiHeader.biSize;
unsigned int colors = dst->bmiHeader.biClrUsed;
if (!colors) colors = 1 << dst->bmiHeader.biBitCount;
if (coloruse == DIB_PAL_COLORS)
{
memcpy( dst->bmiColors, src_colors, colors * sizeof(WORD) );
}
else if (info->bmiHeader.biSize != sizeof(BITMAPCOREHEADER))
{
memcpy( dst->bmiColors, src_colors, colors * sizeof(RGBQUAD) );
}
else
{
unsigned int i;
RGBTRIPLE *triple = (RGBTRIPLE *)src_colors;
for (i = 0; i < colors; i++)
{
dst->bmiColors[i].rgbRed = triple[i].rgbtRed;
dst->bmiColors[i].rgbGreen = triple[i].rgbtGreen;
dst->bmiColors[i].rgbBlue = triple[i].rgbtBlue;
dst->bmiColors[i].rgbReserved = 0;
}
}
}
}
static UINT emfdc_add_handle( struct emf *emf, HGDIOBJ obj )
{
UINT index;
for (index = 0; index < emf->handles_size; index++)
if (emf->handles[index] == 0) break;
if (index == emf->handles_size)
{
emf->handles_size += HANDLE_LIST_INC;
emf->handles = HeapReAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
emf->handles,
emf->handles_size * sizeof(emf->handles[0]) );
}
emf->handles[index] = obj;
emf->cur_handles++;
if (emf->cur_handles > emf->emh->nHandles)
emf->emh->nHandles++;
return index + 1; /* index 0 is reserved for the hmf, so we increment everything by 1 */
}
static UINT emfdc_find_object( struct emf *emf, HGDIOBJ obj )
{
UINT index;
for (index = 0; index < emf->handles_size; index++)
if (emf->handles[index] == obj) return index + 1;
return 0;
}
static void emfdc_delete_object( HDC hdc, HGDIOBJ obj )
{
DC_ATTR *dc_attr = get_dc_attr( hdc );
struct emf *emf = dc_attr->emf;
EMRDELETEOBJECT emr;
UINT index;
if(!(index = emfdc_find_object( emf, obj ))) return;
emr.emr.iType = EMR_DELETEOBJECT;
emr.emr.nSize = sizeof(emr);
emr.ihObject = index;
emfdc_record( emf, &emr.emr );
emf->handles[index - 1] = 0;
emf->cur_handles--;
}
static DWORD emfdc_create_brush( struct emf *emf, HBRUSH brush )
{
DWORD index = 0;
LOGBRUSH logbrush;
if (!GetObjectA( brush, sizeof(logbrush), &logbrush )) return 0;
switch (logbrush.lbStyle) {
case BS_SOLID:
case BS_HATCHED:
case BS_NULL:
{
EMRCREATEBRUSHINDIRECT emr;
emr.emr.iType = EMR_CREATEBRUSHINDIRECT;
emr.emr.nSize = sizeof(emr);
emr.ihBrush = index = emfdc_add_handle( emf, brush );
emr.lb.lbStyle = logbrush.lbStyle;
emr.lb.lbColor = logbrush.lbColor;
emr.lb.lbHatch = logbrush.lbHatch;
if(!emfdc_record( emf, &emr.emr ))
index = 0;
}
break;
case BS_PATTERN:
case BS_DIBPATTERN:
{
EMRCREATEDIBPATTERNBRUSHPT *emr;
char buffer[FIELD_OFFSET( BITMAPINFO, bmiColors[256] )];
BITMAPINFO *info = (BITMAPINFO *)buffer;
DWORD info_size;
UINT usage;
if (!__wine_get_brush_bitmap_info( brush, info, NULL, &usage )) break;
info_size = get_dib_info_size( info, usage );
emr = HeapAlloc( GetProcessHeap(), 0,
sizeof(EMRCREATEDIBPATTERNBRUSHPT) + sizeof(DWORD) +
info_size+info->bmiHeader.biSizeImage );
if(!emr) break;
/* FIXME: There is an extra DWORD written by native before the BMI.
* Not sure what it's meant to contain.
*/
emr->offBmi = sizeof( EMRCREATEDIBPATTERNBRUSHPT ) + sizeof(DWORD);
*(DWORD *)(emr + 1) = 0x20000000;
if (logbrush.lbStyle == BS_PATTERN && info->bmiHeader.biBitCount == 1)
{
/* Presumably to reduce the size of the written EMF, MS supports an
* undocumented iUsage value of 2, indicating a mono bitmap without the
* 8 byte 2 entry black/white palette. Stupidly, they could have saved
* over 20 bytes more by also ignoring the BITMAPINFO fields that are
* irrelevant/constant for monochrome bitmaps.
* FIXME: It may be that the DIB functions themselves accept this value.
*/
emr->emr.iType = EMR_CREATEMONOBRUSH;
usage = DIB_PAL_MONO;
emr->cbBmi = sizeof( BITMAPINFOHEADER );
}
else
{
emr->emr.iType = EMR_CREATEDIBPATTERNBRUSHPT;
emr->cbBmi = info_size;
}
emr->ihBrush = index = emfdc_add_handle( emf, brush );
emr->iUsage = usage;
emr->offBits = emr->offBmi + emr->cbBmi;
emr->cbBits = info->bmiHeader.biSizeImage;
emr->emr.nSize = emr->offBits + emr->cbBits;
if (info->bmiHeader.biClrUsed == 1 << info->bmiHeader.biBitCount)
info->bmiHeader.biClrUsed = 0;
memcpy( (BYTE *)emr + emr->offBmi, info, emr->cbBmi );
__wine_get_brush_bitmap_info( brush, NULL, (char *)emr + emr->offBits, NULL );
if (!emfdc_record( emf, &emr->emr )) index = 0;
HeapFree( GetProcessHeap(), 0, emr );
}
break;
default:
FIXME("Unknown style %x\n", logbrush.lbStyle);
break;
}
return index;
}
static BOOL emfdc_select_brush( DC_ATTR *dc_attr, HBRUSH brush )
{
struct emf *emf = dc_attr->emf;
EMRSELECTOBJECT emr;
DWORD index = 0;
int i;
/* If the object is a stock brush object, do not need to create it.
* See definitions in wingdi.h for range of stock brushes.
* We do however have to handle setting the higher order bit to
* designate that this is a stock object.
*/
for (i = WHITE_BRUSH; i <= DC_BRUSH; i++)
{
if (brush == GetStockObject(i))
{
index = i | 0x80000000;
break;
}
}
if (!index && !(index = emfdc_find_object( emf, brush )))
{
if (!(index = emfdc_create_brush( emf, brush ))) return 0;
GDI_hdc_using_object( brush, dc_attr->hdc, emfdc_delete_object );
}
emr.emr.iType = EMR_SELECTOBJECT;
emr.emr.nSize = sizeof(emr);
emr.ihObject = index;
return emfdc_record( emf, &emr.emr );
}
static BOOL emfdc_create_font( struct emf *emf, HFONT font )
{
DWORD index = 0;
EMREXTCREATEFONTINDIRECTW emr;
int i;
if (!GetObjectW( font, sizeof(emr.elfw.elfLogFont), &emr.elfw.elfLogFont )) return FALSE;
emr.emr.iType = EMR_EXTCREATEFONTINDIRECTW;
emr.emr.nSize = (sizeof(emr) + 3) / 4 * 4;
emr.ihFont = index = emfdc_add_handle( emf, font );
emr.elfw.elfFullName[0] = '\0';
emr.elfw.elfStyle[0] = '\0';
emr.elfw.elfVersion = 0;
emr.elfw.elfStyleSize = 0;
emr.elfw.elfMatch = 0;
emr.elfw.elfReserved = 0;
for (i = 0; i < ELF_VENDOR_SIZE; i++)
emr.elfw.elfVendorId[i] = 0;
emr.elfw.elfCulture = PAN_CULTURE_LATIN;
emr.elfw.elfPanose.bFamilyType = PAN_NO_FIT;
emr.elfw.elfPanose.bSerifStyle = PAN_NO_FIT;
emr.elfw.elfPanose.bWeight = PAN_NO_FIT;
emr.elfw.elfPanose.bProportion = PAN_NO_FIT;
emr.elfw.elfPanose.bContrast = PAN_NO_FIT;
emr.elfw.elfPanose.bStrokeVariation = PAN_NO_FIT;
emr.elfw.elfPanose.bArmStyle = PAN_NO_FIT;
emr.elfw.elfPanose.bLetterform = PAN_NO_FIT;
emr.elfw.elfPanose.bMidline = PAN_NO_FIT;
emr.elfw.elfPanose.bXHeight = PAN_NO_FIT;
return emfdc_record( emf, &emr.emr ) ? index : 0;
}
static BOOL emfdc_select_font( DC_ATTR *dc_attr, HFONT font )
{
struct emf *emf = dc_attr->emf;
EMRSELECTOBJECT emr;
DWORD index;
int i;
/* If the object is a stock font object, do not need to create it.
* See definitions in wingdi.h for range of stock fonts.
* We do however have to handle setting the higher order bit to
* designate that this is a stock object.
*/
for (i = OEM_FIXED_FONT; i <= DEFAULT_GUI_FONT; i++)
{
if (i != DEFAULT_PALETTE && font == GetStockObject(i))
{
index = i | 0x80000000;
goto found;
}
}
if (!(index = emfdc_find_object( emf, font )))
{
if (!(index = emfdc_create_font( emf, font ))) return FALSE;
GDI_hdc_using_object( font, dc_attr->hdc, emfdc_delete_object );
}
found:
emr.emr.iType = EMR_SELECTOBJECT;
emr.emr.nSize = sizeof(emr);
emr.ihObject = index;
return emfdc_record( emf, &emr.emr );
}
static DWORD emfdc_create_pen( struct emf *emf, HPEN hPen )
{
EMRCREATEPEN emr;
DWORD index = 0;
if (!GetObjectW( hPen, sizeof(emr.lopn), &emr.lopn ))
{
/* must be an extended pen */
EXTLOGPEN *elp;
INT size = GetObjectW( hPen, 0, NULL );
if (!size) return 0;
elp = HeapAlloc( GetProcessHeap(), 0, size );
GetObjectW( hPen, size, elp );
/* FIXME: add support for user style pens */
emr.lopn.lopnStyle = elp->elpPenStyle;
emr.lopn.lopnWidth.x = elp->elpWidth;
emr.lopn.lopnWidth.y = 0;
emr.lopn.lopnColor = elp->elpColor;
HeapFree( GetProcessHeap(), 0, elp );
}
emr.emr.iType = EMR_CREATEPEN;
emr.emr.nSize = sizeof(emr);
emr.ihPen = index = emfdc_add_handle( emf, hPen );
return emfdc_record( emf, &emr.emr ) ? index : 0;
}
static BOOL emfdc_select_pen( DC_ATTR *dc_attr, HPEN pen )
{
struct emf *emf = dc_attr->emf;
EMRSELECTOBJECT emr;
DWORD index = 0;
int i;
/* If the object is a stock pen object, do not need to create it.
* See definitions in wingdi.h for range of stock pens.
* We do however have to handle setting the higher order bit to
* designate that this is a stock object.
*/
for (i = WHITE_PEN; i <= DC_PEN; i++)
{
if (pen == GetStockObject(i))
{
index = i | 0x80000000;
break;
}
}
if (!index && !(index = emfdc_find_object( emf, pen )))
{
if (!(index = emfdc_create_pen( emf, pen ))) return FALSE;
GDI_hdc_using_object( pen, dc_attr->hdc, emfdc_delete_object );
}
emr.emr.iType = EMR_SELECTOBJECT;
emr.emr.nSize = sizeof(emr);
emr.ihObject = index;
return emfdc_record( emf, &emr.emr );
}
static DWORD emfdc_create_palette( struct emf *emf, HPALETTE hPal )
{
WORD i;
struct {
EMRCREATEPALETTE hdr;
PALETTEENTRY entry[255];
} pal;
memset( &pal, 0, sizeof(pal) );
if (!GetObjectW( hPal, sizeof(pal.hdr.lgpl) + sizeof(pal.entry), &pal.hdr.lgpl ))
return 0;
for (i = 0; i < pal.hdr.lgpl.palNumEntries; i++)
pal.hdr.lgpl.palPalEntry[i].peFlags = 0;
pal.hdr.emr.iType = EMR_CREATEPALETTE;
pal.hdr.emr.nSize = sizeof(pal.hdr) + pal.hdr.lgpl.palNumEntries * sizeof(PALETTEENTRY);
pal.hdr.ihPal = emfdc_add_handle( emf, hPal );
if (!emfdc_record( emf, &pal.hdr.emr ))
pal.hdr.ihPal = 0;
return pal.hdr.ihPal;
}
BOOL EMFDC_SelectPalette( DC_ATTR *dc_attr, HPALETTE palette )
{
struct emf *emf = dc_attr->emf;
EMRSELECTPALETTE emr;
DWORD index = 0;
if (palette == GetStockObject( DEFAULT_PALETTE ))
{
index = DEFAULT_PALETTE | 0x80000000;
}
else if (!(index = emfdc_find_object( emf, palette )))
{
if (!(index = emfdc_create_palette( emf, palette ))) return 0;
GDI_hdc_using_object( palette, dc_attr->hdc, emfdc_delete_object );
}
emr.emr.iType = EMR_SELECTPALETTE;
emr.emr.nSize = sizeof(emr);
emr.ihPal = index;
return emfdc_record( emf, &emr.emr );
}
BOOL EMFDC_SelectObject( DC_ATTR *dc_attr, HGDIOBJ obj )
{
switch (gdi_handle_type( obj ))
{
case NTGDI_OBJ_BRUSH:
return emfdc_select_brush( dc_attr, obj );
case NTGDI_OBJ_FONT:
return emfdc_select_font( dc_attr, obj );
case NTGDI_OBJ_PEN:
case NTGDI_OBJ_EXTPEN:
return emfdc_select_pen( dc_attr, obj );
default:
return TRUE;
}
}
/* determine if we can use 16-bit points to store all the input points */
static BOOL can_use_short_points( const POINT *pts, UINT count )
{
UINT i;
for (i = 0; i < count; i++)
if (((pts[i].x + 0x8000) & ~0xffff) || ((pts[i].y + 0x8000) & ~0xffff))
return FALSE;
return TRUE;
}
/* store points in either long or short format; return a pointer to the end of the stored data */
static void *store_points( POINTL *dest, const POINT *pts, UINT count, BOOL short_points )
{
if (short_points)
{
UINT i;
POINTS *dest_short = (POINTS *)dest;
for (i = 0; i < count; i++)
{
dest_short[i].x = pts[i].x;
dest_short[i].y = pts[i].y;
}
return dest_short + count;
}
else
{
memcpy( dest, pts, count * sizeof(*dest) );
return dest + count;
}
}
/* compute the bounds of an array of points, optionally including the current position */
static void get_points_bounds( RECTL *bounds, const POINT *pts, UINT count, DC_ATTR *dc_attr )
{
UINT i;
if (dc_attr)
{
bounds->left = bounds->right = dc_attr->cur_pos.x;
bounds->top = bounds->bottom = dc_attr->cur_pos.y;
}
else if (count)
{
bounds->left = bounds->right = pts[0].x;
bounds->top = bounds->bottom = pts[0].y;
}
else *bounds = empty_bounds;
for (i = 0; i < count; i++)
{
bounds->left = min( bounds->left, pts[i].x );
bounds->right = max( bounds->right, pts[i].x );
bounds->top = min( bounds->top, pts[i].y );
bounds->bottom = max( bounds->bottom, pts[i].y );
}
}
/* helper for path stroke and fill functions */
static BOOL emfdrv_stroke_and_fill_path( struct emf *emf, INT type )
{
EMRSTROKEANDFILLPATH emr;
HRGN region;
emr.emr.iType = type;
emr.emr.nSize = sizeof(emr);
emr.rclBounds = empty_bounds;
if ((region = NtGdiPathToRegion( emf->dc_attr->hdc )))
{
NtGdiGetRgnBox( region, (RECT *)&emr.rclBounds );
DeleteObject( region );
}
if (!emfdc_record( emf, &emr.emr )) return FALSE;
if (!region) return FALSE;
emfdc_update_bounds( emf, &emr.rclBounds );
return TRUE;
}
BOOL EMFDC_MoveTo( DC_ATTR *dc_attr, INT x, INT y )
{
struct emf *emf = dc_attr->emf;
EMRMOVETOEX emr;
emr.emr.iType = EMR_MOVETOEX;
emr.emr.nSize = sizeof(emr);
emr.ptl.x = x;
emr.ptl.y = y;
return emfdc_record( emf, &emr.emr );
}
BOOL EMFDC_LineTo( DC_ATTR *dc_attr, INT x, INT y )
{
EMRLINETO emr;
emr.emr.iType = EMR_LINETO;
emr.emr.nSize = sizeof(emr);
emr.ptl.x = x;
emr.ptl.y = y;
return emfdc_record( dc_attr->emf, &emr.emr );
}
BOOL EMFDC_ArcChordPie( DC_ATTR *dc_attr, INT left, INT top, INT right, INT bottom,
INT xstart, INT ystart, INT xend, INT yend, DWORD type )
{
struct emf *emf = dc_attr->emf;
EMRARC emr;
INT temp;
if (left == right || top == bottom) return FALSE;
if (left > right) { temp = left; left = right; right = temp; }
if (top > bottom) { temp = top; top = bottom; bottom = temp; }
if (dc_attr->graphics_mode == GM_COMPATIBLE)
{
right--;
bottom--;
}
emr.emr.iType = type;
emr.emr.nSize = sizeof(emr);
emr.rclBox.left = left;
emr.rclBox.top = top;
emr.rclBox.right = right;
emr.rclBox.bottom = bottom;
emr.ptlStart.x = xstart;
emr.ptlStart.y = ystart;
emr.ptlEnd.x = xend;
emr.ptlEnd.y = yend;
return emfdc_record( emf, &emr.emr );
}
BOOL EMFDC_AngleArc( DC_ATTR *dc_attr, INT x, INT y, DWORD radius, FLOAT start, FLOAT sweep )
{
EMRANGLEARC emr;
emr.emr.iType = EMR_ANGLEARC;
emr.emr.nSize = sizeof( emr );
emr.ptlCenter.x = x;
emr.ptlCenter.y = y;
emr.nRadius = radius;
emr.eStartAngle = start;
emr.eSweepAngle = sweep;
return emfdc_record( dc_attr->emf, &emr.emr );
}
BOOL EMFDC_Ellipse( DC_ATTR *dc_attr, INT left, INT top, INT right, INT bottom )
{
struct emf *emf = dc_attr->emf;
EMRELLIPSE emr;
if (left == right || top == bottom) return FALSE;
emr.emr.iType = EMR_ELLIPSE;
emr.emr.nSize = sizeof(emr);
emr.rclBox.left = min( left, right );
emr.rclBox.top = min( top, bottom );
emr.rclBox.right = max( left, right );
emr.rclBox.bottom = max( top, bottom );
if (dc_attr->graphics_mode == GM_COMPATIBLE)
{
emr.rclBox.right--;
emr.rclBox.bottom--;
}
return emfdc_record( emf, &emr.emr );
}
BOOL EMFDC_Rectangle( DC_ATTR *dc_attr, INT left, INT top, INT right, INT bottom )
{
struct emf *emf = dc_attr->emf;
EMRRECTANGLE emr;
if(left == right || top == bottom) return FALSE;
emr.emr.iType = EMR_RECTANGLE;
emr.emr.nSize = sizeof(emr);
emr.rclBox.left = min( left, right );
emr.rclBox.top = min( top, bottom );
emr.rclBox.right = max( left, right );
emr.rclBox.bottom = max( top, bottom );
if (dc_attr->graphics_mode == GM_COMPATIBLE)
{
emr.rclBox.right--;
emr.rclBox.bottom--;
}
return emfdc_record( emf, &emr.emr );
}
BOOL EMFDC_RoundRect( DC_ATTR *dc_attr, INT left, INT top, INT right,
INT bottom, INT ell_width, INT ell_height )
{
struct emf *emf = dc_attr->emf;
EMRROUNDRECT emr;
if (left == right || top == bottom) return FALSE;
emr.emr.iType = EMR_ROUNDRECT;
emr.emr.nSize = sizeof(emr);
emr.rclBox.left = min( left, right );
emr.rclBox.top = min( top, bottom );
emr.rclBox.right = max( left, right );
emr.rclBox.bottom = max( top, bottom );
emr.szlCorner.cx = ell_width;
emr.szlCorner.cy = ell_height;
if (dc_attr->graphics_mode == GM_COMPATIBLE)
{
emr.rclBox.right--;
emr.rclBox.bottom--;
}
return emfdc_record( emf, &emr.emr );
}
BOOL EMFDC_SetPixel( DC_ATTR *dc_attr, INT x, INT y, COLORREF color )
{
EMRSETPIXELV emr;
emr.emr.iType = EMR_SETPIXELV;
emr.emr.nSize = sizeof(emr);
emr.ptlPixel.x = x;
emr.ptlPixel.y = y;
emr.crColor = color;
return emfdc_record( dc_attr->emf, &emr.emr );
}
static BOOL emfdc_polylinegon( DC_ATTR *dc_attr, const POINT *points, INT count, DWORD type )
{
struct emf *emf = dc_attr->emf;
EMRPOLYLINE *emr;
DWORD size;
BOOL ret, use_small_emr = can_use_short_points( points, count );
size = use_small_emr ? offsetof( EMRPOLYLINE16, apts[count] ) : offsetof( EMRPOLYLINE, aptl[count] );
emr = HeapAlloc( GetProcessHeap(), 0, size );
emr->emr.iType = use_small_emr ? type + EMR_POLYLINE16 - EMR_POLYLINE : type;
emr->emr.nSize = size;
emr->cptl = count;
store_points( emr->aptl, points, count, use_small_emr );
if (!emf->path)
get_points_bounds( &emr->rclBounds, points, count,
(type == EMR_POLYBEZIERTO || type == EMR_POLYLINETO) ? dc_attr : 0 );
else
emr->rclBounds = empty_bounds;
ret = emfdc_record( emf, &emr->emr );
if (ret && !emf->path) emfdc_update_bounds( emf, &emr->rclBounds );
HeapFree( GetProcessHeap(), 0, emr );
return ret;
}
BOOL EMFDC_Polyline( DC_ATTR *dc_attr, const POINT *points, INT count )
{
return emfdc_polylinegon( dc_attr, points, count, EMR_POLYLINE );
}
BOOL EMFDC_PolylineTo( DC_ATTR *dc_attr, const POINT *points, INT count )
{
return emfdc_polylinegon( dc_attr, points, count, EMR_POLYLINETO );
}
BOOL EMFDC_Polygon( DC_ATTR *dc_attr, const POINT *pt, INT count )
{
if(count < 2) return FALSE;
return emfdc_polylinegon( dc_attr, pt, count, EMR_POLYGON );
}
BOOL EMFDC_PolyBezier( DC_ATTR *dc_attr, const POINT *pts, DWORD count )
{
return emfdc_polylinegon( dc_attr, pts, count, EMR_POLYBEZIER );
}
BOOL EMFDC_PolyBezierTo( DC_ATTR *dc_attr, const POINT *pts, DWORD count )
{
return emfdc_polylinegon( dc_attr, pts, count, EMR_POLYBEZIERTO );
}
static BOOL emfdc_poly_polylinegon( struct emf *emf, const POINT *pt, const INT *counts,
UINT polys, DWORD type)
{
EMRPOLYPOLYLINE *emr;
DWORD cptl = 0, poly, size;
BOOL ret, use_small_emr, bounds_valid = TRUE;
for(poly = 0; poly < polys; poly++) {
cptl += counts[poly];
if(counts[poly] < 2) bounds_valid = FALSE;
}
if(!cptl) bounds_valid = FALSE;
use_small_emr = can_use_short_points( pt, cptl );
size = FIELD_OFFSET(EMRPOLYPOLYLINE, aPolyCounts[polys]);
if(use_small_emr)
size += cptl * sizeof(POINTS);
else
size += cptl * sizeof(POINTL);
emr = HeapAlloc( GetProcessHeap(), 0, size );
emr->emr.iType = type;
if(use_small_emr) emr->emr.iType += EMR_POLYPOLYLINE16 - EMR_POLYPOLYLINE;
emr->emr.nSize = size;
if(bounds_valid && !emf->path)
get_points_bounds( &emr->rclBounds, pt, cptl, 0 );
else
emr->rclBounds = empty_bounds;
emr->nPolys = polys;
emr->cptl = cptl;
if(polys)
{
memcpy( emr->aPolyCounts, counts, polys * sizeof(DWORD) );
store_points( (POINTL *)(emr->aPolyCounts + polys), pt, cptl, use_small_emr );
}
ret = emfdc_record( emf, &emr->emr );
if(ret && !bounds_valid)
{
ret = FALSE;
SetLastError( ERROR_INVALID_PARAMETER );
}
if(ret && !emf->path)
emfdc_update_bounds( emf, &emr->rclBounds );
HeapFree( GetProcessHeap(), 0, emr );
return ret;
}
BOOL EMFDC_PolyPolyline( DC_ATTR *dc_attr, const POINT *pt, const DWORD *counts, DWORD polys)
{
return emfdc_poly_polylinegon( dc_attr->emf, pt, (const INT *)counts, polys, EMR_POLYPOLYLINE );
}
BOOL EMFDC_PolyPolygon( DC_ATTR *dc_attr, const POINT *pt, const INT *counts, UINT polys )
{
return emfdc_poly_polylinegon( dc_attr->emf, pt, counts, polys, EMR_POLYPOLYGON );
}
BOOL EMFDC_PolyDraw( DC_ATTR *dc_attr, const POINT *pts, const BYTE *types, DWORD count )
{
struct emf *emf = dc_attr->emf;
EMRPOLYDRAW *emr;
BOOL ret;
BYTE *types_dest;
BOOL use_small_emr = can_use_short_points( pts, count );
DWORD size;
size = use_small_emr ? offsetof( EMRPOLYDRAW16, apts[count] )
: offsetof( EMRPOLYDRAW, aptl[count] );
size += (count + 3) & ~3;
if (!(emr = HeapAlloc( GetProcessHeap(), 0, size ))) return FALSE;
emr->emr.iType = use_small_emr ? EMR_POLYDRAW16 : EMR_POLYDRAW;
emr->emr.nSize = size;
emr->cptl = count;
types_dest = store_points( emr->aptl, pts, count, use_small_emr );
memcpy( types_dest, types, count );
if (count & 3) memset( types_dest + count, 0, 4 - (count & 3) );
if (!emf->path)
get_points_bounds( &emr->rclBounds, pts, count, 0 );
else
emr->rclBounds = empty_bounds;
ret = emfdc_record( emf, &emr->emr );
if (ret && !emf->path) emfdc_update_bounds( emf, &emr->rclBounds );
HeapFree( GetProcessHeap(), 0, emr );
return ret;
}
BOOL EMFDC_ExtFloodFill( DC_ATTR *dc_attr, INT x, INT y, COLORREF color, UINT fill_type )
{
EMREXTFLOODFILL emr;
emr.emr.iType = EMR_EXTFLOODFILL;
emr.emr.nSize = sizeof(emr);
emr.ptlStart.x = x;
emr.ptlStart.y = y;
emr.crColor = color;
emr.iMode = fill_type;
return emfdc_record( dc_attr->emf, &emr.emr );
}
BOOL EMFDC_FillRgn( DC_ATTR *dc_attr, HRGN hrgn, HBRUSH hbrush )
{
struct emf *emf = dc_attr->emf;
EMRFILLRGN *emr;
DWORD size, rgnsize, index;
BOOL ret;
if (!(index = emfdc_create_brush( emf, hbrush ))) return FALSE;
rgnsize = NtGdiGetRegionData( hrgn, 0, NULL );
size = rgnsize + offsetof(EMRFILLRGN,RgnData);
emr = HeapAlloc( GetProcessHeap(), 0, size );
NtGdiGetRegionData( hrgn, rgnsize, (RGNDATA *)&emr->RgnData );
emr->emr.iType = EMR_FILLRGN;
emr->emr.nSize = size;
emr->rclBounds.left = ((RGNDATA *)&emr->RgnData)->rdh.rcBound.left;
emr->rclBounds.top = ((RGNDATA *)&emr->RgnData)->rdh.rcBound.top;
emr->rclBounds.right = ((RGNDATA *)&emr->RgnData)->rdh.rcBound.right - 1;
emr->rclBounds.bottom = ((RGNDATA *)&emr->RgnData)->rdh.rcBound.bottom - 1;
emr->cbRgnData = rgnsize;
emr->ihBrush = index;
ret = emfdc_record( emf, &emr->emr );
if (ret) emfdc_update_bounds( emf, &emr->rclBounds );
HeapFree( GetProcessHeap(), 0, emr );
return ret;
}
BOOL EMFDC_FrameRgn( DC_ATTR *dc_attr, HRGN hrgn, HBRUSH hbrush, INT width, INT height )
{
struct emf *emf = dc_attr->emf;
EMRFRAMERGN *emr;
DWORD size, rgnsize, index;
BOOL ret;
index = emfdc_create_brush( emf, hbrush );
if(!index) return FALSE;
rgnsize = NtGdiGetRegionData( hrgn, 0, NULL );
size = rgnsize + offsetof(EMRFRAMERGN,RgnData);
emr = HeapAlloc( GetProcessHeap(), 0, size );
NtGdiGetRegionData( hrgn, rgnsize, (RGNDATA *)&emr->RgnData );
emr->emr.iType = EMR_FRAMERGN;
emr->emr.nSize = size;
emr->rclBounds.left = ((RGNDATA *)&emr->RgnData)->rdh.rcBound.left;
emr->rclBounds.top = ((RGNDATA *)&emr->RgnData)->rdh.rcBound.top;
emr->rclBounds.right = ((RGNDATA *)&emr->RgnData)->rdh.rcBound.right - 1;
emr->rclBounds.bottom = ((RGNDATA *)&emr->RgnData)->rdh.rcBound.bottom - 1;
emr->cbRgnData = rgnsize;
emr->ihBrush = index;
emr->szlStroke.cx = width;
emr->szlStroke.cy = height;
ret = emfdc_record( emf, &emr->emr );
if (ret) emfdc_update_bounds( emf, &emr->rclBounds );
HeapFree( GetProcessHeap(), 0, emr );
return ret;
}
static BOOL emfdc_paint_invert_region( struct emf *emf, HRGN hrgn, DWORD iType )
{
EMRINVERTRGN *emr;
DWORD size, rgnsize;
BOOL ret;
rgnsize = NtGdiGetRegionData( hrgn, 0, NULL );
size = rgnsize + offsetof(EMRINVERTRGN,RgnData);
emr = HeapAlloc( GetProcessHeap(), 0, size );
NtGdiGetRegionData( hrgn, rgnsize, (RGNDATA *)&emr->RgnData );
emr->emr.iType = iType;
emr->emr.nSize = size;
emr->rclBounds.left = ((RGNDATA *)&emr->RgnData)->rdh.rcBound.left;
emr->rclBounds.top = ((RGNDATA *)&emr->RgnData)->rdh.rcBound.top;
emr->rclBounds.right = ((RGNDATA *)&emr->RgnData)->rdh.rcBound.right - 1;
emr->rclBounds.bottom = ((RGNDATA *)&emr->RgnData)->rdh.rcBound.bottom - 1;
emr->cbRgnData = rgnsize;
ret = emfdc_record( emf, &emr->emr );
if (ret) emfdc_update_bounds( emf, &emr->rclBounds );
HeapFree( GetProcessHeap(), 0, emr );
return ret;
}
BOOL EMFDC_PaintRgn( DC_ATTR *dc_attr, HRGN hrgn )
{
return emfdc_paint_invert_region( dc_attr->emf, hrgn, EMR_PAINTRGN );
}
BOOL EMFDC_InvertRgn( DC_ATTR *dc_attr, HRGN hrgn )
{
return emfdc_paint_invert_region( dc_attr->emf, hrgn, EMR_INVERTRGN );
}
BOOL EMFDC_ExtTextOut( DC_ATTR *dc_attr, INT x, INT y, UINT flags, const RECT *rect,
const WCHAR *str, UINT count, const INT *dx )
{
struct emf *emf = dc_attr->emf;
FLOAT ex_scale, ey_scale;
EMREXTTEXTOUTW *emr;
int text_height = 0;
int text_width = 0;
TEXTMETRICW tm;
DWORD size;
BOOL ret;
size = sizeof(*emr) + ((count+1) & ~1) * sizeof(WCHAR) + count * sizeof(INT);
TRACE( "%s %s count %d size = %d\n", debugstr_wn(str, count),
wine_dbgstr_rect(rect), count, size );
emr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, size );
if (dc_attr->graphics_mode == GM_COMPATIBLE)
{
const INT horzSize = GetDeviceCaps( dc_attr->hdc, HORZSIZE );
const INT horzRes = GetDeviceCaps( dc_attr->hdc, HORZRES );
const INT vertSize = GetDeviceCaps( dc_attr->hdc, VERTSIZE );
const INT vertRes = GetDeviceCaps( dc_attr->hdc, VERTRES );
SIZE wndext, vportext;
GetViewportExtEx( dc_attr->hdc, &vportext );
GetWindowExtEx( dc_attr->hdc, &wndext );
ex_scale = 100.0 * ((FLOAT)horzSize / (FLOAT)horzRes) /
((FLOAT)wndext.cx / (FLOAT)vportext.cx);
ey_scale = 100.0 * ((FLOAT)vertSize / (FLOAT)vertRes) /
((FLOAT)wndext.cy / (FLOAT)vportext.cy);
}
else
{
ex_scale = 0.0;
ey_scale = 0.0;
}
emr->emr.iType = EMR_EXTTEXTOUTW;
emr->emr.nSize = size;
emr->iGraphicsMode = dc_attr->graphics_mode;
emr->exScale = ex_scale;
emr->eyScale = ey_scale;
emr->emrtext.ptlReference.x = x;
emr->emrtext.ptlReference.y = y;
emr->emrtext.nChars = count;
emr->emrtext.offString = sizeof(*emr);
memcpy( (char*)emr + emr->emrtext.offString, str, count * sizeof(WCHAR) );
emr->emrtext.fOptions = flags;
if (!rect)
{
emr->emrtext.rcl.left = emr->emrtext.rcl.top = 0;
emr->emrtext.rcl.right = emr->emrtext.rcl.bottom = -1;
}
else
{
emr->emrtext.rcl.left = rect->left;
emr->emrtext.rcl.top = rect->top;
emr->emrtext.rcl.right = rect->right;
emr->emrtext.rcl.bottom = rect->bottom;
}
emr->emrtext.offDx = emr->emrtext.offString + ((count+1) & ~1) * sizeof(WCHAR);
if (dx)
{
UINT i;
SIZE str_size;
memcpy( (char*)emr + emr->emrtext.offDx, dx, count * sizeof(INT) );
for (i = 0; i < count; i++) text_width += dx[i];
if (GetTextExtentPoint32W( dc_attr->hdc, str, count, &str_size ))
text_height = str_size.cy;
}
else
{
UINT i;
INT *emf_dx = (INT *)((char*)emr + emr->emrtext.offDx);
SIZE charSize;
for (i = 0; i < count; i++)
{
if (GetTextExtentPoint32W( dc_attr->hdc, str + i, 1, &charSize ))
{
emf_dx[i] = charSize.cx;
text_width += charSize.cx;
text_height = max( text_height, charSize.cy );
}
}
}
if (emf->path)
{
emr->rclBounds.left = emr->rclBounds.top = 0;
emr->rclBounds.right = emr->rclBounds.bottom = -1;
goto no_bounds;
}
/* FIXME: handle font escapement */
switch (dc_attr->text_align & (TA_LEFT | TA_RIGHT | TA_CENTER))
{
case TA_CENTER:
emr->rclBounds.left = x - (text_width / 2) - 1;
emr->rclBounds.right = x + (text_width / 2) + 1;
break;
case TA_RIGHT:
emr->rclBounds.left = x - text_width - 1;
emr->rclBounds.right = x;
break;
default: /* TA_LEFT */
emr->rclBounds.left = x;
emr->rclBounds.right = x + text_width + 1;
}
switch (dc_attr->text_align & (TA_TOP | TA_BOTTOM | TA_BASELINE))
{
case TA_BASELINE:
if (!GetTextMetricsW( dc_attr->hdc, &tm )) tm.tmDescent = 0;
/* Play safe here... it's better to have a bounding box */
/* that is too big than too small. */
emr->rclBounds.top = y - text_height - 1;
emr->rclBounds.bottom = y + tm.tmDescent + 1;
break;
case TA_BOTTOM:
emr->rclBounds.top = y - text_height - 1;
emr->rclBounds.bottom = y;
break;
default: /* TA_TOP */
emr->rclBounds.top = y;
emr->rclBounds.bottom = y + text_height + 1;
}
emfdc_update_bounds( emf, &emr->rclBounds );
no_bounds:
ret = emfdc_record( emf, &emr->emr );
HeapFree( GetProcessHeap(), 0, emr );
return ret;
}
BOOL EMFDC_GradientFill( DC_ATTR *dc_attr, TRIVERTEX *vert_array, ULONG nvert,
void *grad_array, ULONG ngrad, ULONG mode )
{
EMRGRADIENTFILL *emr;
ULONG i, pt, size, num_pts = ngrad * (mode == GRADIENT_FILL_TRIANGLE ? 3 : 2);
const ULONG *pts = (const ULONG *)grad_array;
BOOL ret;
size = FIELD_OFFSET(EMRGRADIENTFILL, Ver[nvert]) + num_pts * sizeof(pts[0]);
emr = HeapAlloc( GetProcessHeap(), 0, size );
if (!emr) return FALSE;
for (i = 0; i < num_pts; i++)
{
pt = pts[i];
if (i == 0)
{
emr->rclBounds.left = emr->rclBounds.right = vert_array[pt].x;
emr->rclBounds.top = emr->rclBounds.bottom = vert_array[pt].y;
}
else
{
if (vert_array[pt].x < emr->rclBounds.left)
emr->rclBounds.left = vert_array[pt].x;
else if (vert_array[pt].x > emr->rclBounds.right)
emr->rclBounds.right = vert_array[pt].x;
if (vert_array[pt].y < emr->rclBounds.top)
emr->rclBounds.top = vert_array[pt].y;
else if (vert_array[pt].y > emr->rclBounds.bottom)
emr->rclBounds.bottom = vert_array[pt].y;
}
}
emr->rclBounds.right--;
emr->rclBounds.bottom--;
emr->emr.iType = EMR_GRADIENTFILL;
emr->emr.nSize = size;
emr->nVer = nvert;
emr->nTri = ngrad;
emr->ulMode = mode;
memcpy( emr->Ver, vert_array, nvert * sizeof(vert_array[0]) );
memcpy( emr->Ver + nvert, pts, num_pts * sizeof(pts[0]) );
emfdc_update_bounds( dc_attr->emf, &emr->rclBounds );
ret = emfdc_record( dc_attr->emf, &emr->emr );
HeapFree( GetProcessHeap(), 0, emr );
return ret;
}
BOOL EMFDC_FillPath( DC_ATTR *dc_attr )
{
return emfdrv_stroke_and_fill_path( dc_attr->emf, EMR_FILLPATH );
}
BOOL EMFDC_StrokeAndFillPath( DC_ATTR *dc_attr )
{
return emfdrv_stroke_and_fill_path( dc_attr->emf, EMR_STROKEANDFILLPATH );
}
BOOL EMFDC_StrokePath( DC_ATTR *dc_attr )
{
return emfdrv_stroke_and_fill_path( dc_attr->emf, EMR_STROKEPATH );
}
/* Generate an EMRBITBLT, EMRSTRETCHBLT or EMRALPHABLEND record depending on the type parameter */
static BOOL emfdrv_stretchblt( struct emf *emf, INT x_dst, INT y_dst, INT width_dst, INT height_dst,
HDC hdc_src, INT x_src, INT y_src, INT width_src, INT height_src,
DWORD rop, DWORD type )
{
BITMAPINFO src_info = {{ sizeof( src_info.bmiHeader ) }};
UINT bmi_size, emr_size, size;
HBITMAP bitmap, blit_bitmap = NULL;
EMRBITBLT *emr = NULL;
BITMAPINFO *bmi;
HDC blit_dc;
BOOL ret = FALSE;
if (!(bitmap = GetCurrentObject( hdc_src, OBJ_BITMAP ))) return FALSE;
blit_dc = hdc_src;
blit_bitmap = bitmap;
if (!(bmi_size = get_bitmap_info( &blit_dc, &blit_bitmap, &src_info ))) return FALSE;
/* EMRSTRETCHBLT and EMRALPHABLEND have the same structure */
emr_size = type == EMR_BITBLT ? sizeof(EMRBITBLT) : sizeof(EMRSTRETCHBLT);
size = emr_size + bmi_size + src_info.bmiHeader.biSizeImage;
if (!(emr = HeapAlloc(GetProcessHeap(), 0, size))) goto err;
emr->emr.iType = type;
emr->emr.nSize = size;
emr->rclBounds.left = x_dst;
emr->rclBounds.top = y_dst;
emr->rclBounds.right = x_dst + width_dst - 1;
emr->rclBounds.bottom = y_dst + height_dst - 1;
emr->xDest = x_dst;
emr->yDest = y_dst;
emr->cxDest = width_dst;
emr->cyDest = height_dst;
emr->xSrc = x_src;
emr->ySrc = y_src;
if (type != EMR_BITBLT)
{
EMRSTRETCHBLT *emr_stretchblt = (EMRSTRETCHBLT *)emr;
emr_stretchblt->cxSrc = width_src;
emr_stretchblt->cySrc = height_src;
}
emr->dwRop = rop;
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 = src_info.bmiHeader.biSizeImage;
bmi = (BITMAPINFO *)((BYTE *)emr + emr->offBmiSrc);
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)
{
ret = emfdc_record( emf, (EMR *)emr );
if (ret) emfdc_update_bounds( emf, &emr->rclBounds );
}
err:
HeapFree( GetProcessHeap(), 0, emr );
if (blit_bitmap != bitmap) DeleteObject( blit_bitmap );
if (blit_dc != hdc_src) DeleteDC( blit_dc );
return ret;
}
BOOL EMFDC_AlphaBlend( DC_ATTR *dc_attr, INT x_dst, INT y_dst, INT width_dst, INT height_dst,
HDC hdc_src, INT x_src, INT y_src, INT width_src, INT height_src,
BLENDFUNCTION blend_function )
{
return emfdrv_stretchblt( dc_attr->emf, x_dst, y_dst, width_dst, height_dst, hdc_src,
x_src, y_src, width_src, height_src, *(DWORD *)&blend_function,
EMR_ALPHABLEND );
}
BOOL EMFDC_PatBlt( DC_ATTR *dc_attr, INT left, INT top, INT width, INT height, DWORD rop )
{
struct emf *emf = dc_attr->emf;
EMRBITBLT emr;
BOOL ret;
emr.emr.iType = EMR_BITBLT;
emr.emr.nSize = sizeof(emr);
emr.rclBounds.left = left;
emr.rclBounds.top = top;
emr.rclBounds.right = left + width - 1;
emr.rclBounds.bottom = top + height - 1;
emr.xDest = left;
emr.yDest = top;
emr.cxDest = width;
emr.cyDest = height;
emr.dwRop = rop;
emr.xSrc = 0;
emr.ySrc = 0;
emr.xformSrc.eM11 = 1.0;
emr.xformSrc.eM12 = 0.0;
emr.xformSrc.eM21 = 0.0;
emr.xformSrc.eM22 = 1.0;
emr.xformSrc.eDx = 0.0;
emr.xformSrc.eDy = 0.0;
emr.crBkColorSrc = 0;
emr.iUsageSrc = 0;
emr.offBmiSrc = 0;
emr.cbBmiSrc = 0;
emr.offBitsSrc = 0;
emr.cbBitsSrc = 0;
ret = emfdc_record( emf, &emr.emr );
if (ret) emfdc_update_bounds( emf, &emr.rclBounds );
return ret;
}
static inline BOOL rop_uses_src( DWORD rop )
{
return ((rop >> 2) & 0x330000) != (rop & 0x330000);
}
BOOL EMFDC_BitBlt( DC_ATTR *dc_attr, INT x_dst, INT y_dst, INT width, INT height,
HDC hdc_src, INT x_src, INT y_src, DWORD rop )
{
if (!rop_uses_src( rop )) return EMFDC_PatBlt( dc_attr, x_dst, y_dst, width, height, rop );
return emfdrv_stretchblt( dc_attr->emf, x_dst, y_dst, width, height,
hdc_src, x_src, y_src, width, height, rop, EMR_BITBLT );
}
BOOL EMFDC_StretchBlt( DC_ATTR *dc_attr, INT x_dst, INT y_dst, INT width_dst, INT height_dst,
HDC hdc_src, INT x_src, INT y_src, INT width_src, INT height_src,
DWORD rop )
{
if (!rop_uses_src( rop )) return EMFDC_PatBlt( dc_attr, x_dst, y_dst, width_dst, height_dst, rop );
return emfdrv_stretchblt( dc_attr->emf, x_dst, y_dst, width_dst, height_dst,
hdc_src, x_src, y_src, width_src,
height_src, rop, EMR_STRETCHBLT );
}
BOOL EMFDC_TransparentBlt( DC_ATTR *dc_attr, int x_dst, int y_dst, int width_dst, int height_dst,
HDC hdc_src, int x_src, int y_src, int width_src, int height_src,
UINT color )
{
return emfdrv_stretchblt( dc_attr->emf, x_dst, y_dst, width_dst, height_dst,
hdc_src, x_src, y_src, width_src,
height_src, color, EMR_TRANSPARENTBLT );
}
BOOL EMFDC_MaskBlt( DC_ATTR *dc_attr, INT x_dst, INT y_dst, INT width_dst, INT height_dst,
HDC hdc_src, INT x_src, INT y_src, HBITMAP mask,
INT x_mask, INT y_mask, DWORD rop )
{
unsigned char mask_info_buffer[FIELD_OFFSET(BITMAPINFO, bmiColors[256])];
BITMAPINFO *mask_bits_info = (BITMAPINFO *)mask_info_buffer;
struct emf *emf = dc_attr->emf;
BITMAPINFO mask_info = {{ sizeof( mask_info.bmiHeader ) }};
BITMAPINFO src_info = {{ sizeof( src_info.bmiHeader ) }};
HBITMAP bitmap, blit_bitmap = NULL, mask_bitmap = NULL;
UINT bmi_size, size, mask_info_size = 0;
EMRMASKBLT *emr = NULL;
BITMAPINFO *bmi;
HDC blit_dc, mask_dc = NULL;
BOOL ret = FALSE;
if (!rop_uses_src( rop ))
return EMFDC_PatBlt( dc_attr, x_dst, y_dst, width_dst, height_dst, rop );
if (!(bitmap = GetCurrentObject( hdc_src, OBJ_BITMAP ))) return FALSE;
blit_dc = hdc_src;
blit_bitmap = bitmap;
if (!(bmi_size = get_bitmap_info( &blit_dc, &blit_bitmap, &src_info ))) return FALSE;
if (mask)
{
mask_dc = hdc_src;
mask_bitmap = mask;
if (!(mask_info_size = get_bitmap_info( &mask_dc, &mask_bitmap, &mask_info ))) goto err;
if (mask_info.bmiHeader.biBitCount == 1)
mask_info_size = sizeof(BITMAPINFOHEADER); /* don't include colors */
}
else mask_info.bmiHeader.biSizeImage = 0;
size = sizeof(*emr) + bmi_size + src_info.bmiHeader.biSizeImage +
mask_info_size + mask_info.bmiHeader.biSizeImage;
if (!(emr = HeapAlloc(GetProcessHeap(), 0, size))) goto err;
emr->emr.iType = EMR_MASKBLT;
emr->emr.nSize = size;
emr->rclBounds.left = x_dst;
emr->rclBounds.top = y_dst;
emr->rclBounds.right = x_dst + width_dst - 1;
emr->rclBounds.bottom = y_dst + height_dst - 1;
emr->xDest = x_dst;
emr->yDest = y_dst;
emr->cxDest = width_dst;
emr->cyDest = height_dst;
emr->dwRop = rop;
emr->xSrc = x_src;
emr->ySrc = y_src;
NtGdiGetTransform( hdc_src, 0x204, &emr->xformSrc );
emr->crBkColorSrc = GetBkColor( hdc_src );
emr->iUsageSrc = DIB_RGB_COLORS;
emr->offBmiSrc = sizeof(*emr);
emr->cbBmiSrc = bmi_size;
emr->offBitsSrc = emr->offBmiSrc + bmi_size;
emr->cbBitsSrc = src_info.bmiHeader.biSizeImage;
emr->xMask = x_mask;
emr->yMask = y_mask;
emr->iUsageMask = DIB_PAL_MONO;
emr->offBmiMask = mask_info_size ? emr->offBitsSrc + emr->cbBitsSrc : 0;
emr->cbBmiMask = mask_info_size;
emr->offBitsMask = emr->offBmiMask + emr->cbBmiMask;
emr->cbBitsMask = mask_info.bmiHeader.biSizeImage;
bmi = (BITMAPINFO *)((char *)emr + emr->offBmiSrc);
bmi->bmiHeader = src_info.bmiHeader;
ret = GetDIBits( blit_dc, blit_bitmap, 0, src_info.bmiHeader.biHeight,
(char *)emr + emr->offBitsSrc, bmi, DIB_RGB_COLORS );
if (!ret) goto err;
if (mask_info_size)
{
mask_bits_info->bmiHeader = mask_info.bmiHeader;
ret = GetDIBits( blit_dc, mask_bitmap, 0, mask_info.bmiHeader.biHeight,
(char *)emr + emr->offBitsMask, mask_bits_info, DIB_RGB_COLORS );
if (ret) memcpy( (char *)emr + emr->offBmiMask, mask_bits_info, mask_info_size );
}
if (ret)
{
ret = emfdc_record( emf, (EMR *)emr );
if (ret) emfdc_update_bounds( emf, &emr->rclBounds );
}
err:
HeapFree( GetProcessHeap(), 0, emr );
if (mask_bitmap != mask) DeleteObject( mask_bitmap );
if (mask_dc != hdc_src) DeleteObject( mask_dc );
if (blit_bitmap != bitmap) DeleteObject( blit_bitmap );
if (blit_dc != hdc_src) DeleteDC( blit_dc );
return ret;
}
BOOL EMFDC_PlgBlt( DC_ATTR *dc_attr, const POINT *points, HDC hdc_src, INT x_src, INT y_src,
INT width, INT height, HBITMAP mask, INT x_mask, INT y_mask )
{
unsigned char mask_info_buffer[FIELD_OFFSET(BITMAPINFO, bmiColors[256])];
BITMAPINFO *mask_bits_info = (BITMAPINFO *)mask_info_buffer;
struct emf *emf = dc_attr->emf;
BITMAPINFO mask_info = {{ sizeof( mask_info.bmiHeader ) }};
BITMAPINFO src_info = {{ sizeof( src_info.bmiHeader ) }};
HBITMAP bitmap, blit_bitmap = NULL, mask_bitmap = NULL;
UINT bmi_size, size, mask_info_size = 0;
EMRPLGBLT *emr = NULL;
BITMAPINFO *bmi;
HDC blit_dc, mask_dc = NULL;
int x_min, y_min, x_max, y_max, i;
BOOL ret = FALSE;
if (!(bitmap = GetCurrentObject( hdc_src, OBJ_BITMAP ))) return FALSE;
blit_dc = hdc_src;
blit_bitmap = bitmap;
if (!(bmi_size = get_bitmap_info( &blit_dc, &blit_bitmap, &src_info ))) return FALSE;
if (mask)
{
mask_dc = hdc_src;
mask_bitmap = mask;
if (!(mask_info_size = get_bitmap_info( &mask_dc, &mask_bitmap, &mask_info ))) goto err;
if (mask_info.bmiHeader.biBitCount == 1)
mask_info_size = sizeof(BITMAPINFOHEADER); /* don't include colors */
}
else mask_info.bmiHeader.biSizeImage = 0;
size = sizeof(*emr) + bmi_size + src_info.bmiHeader.biSizeImage +
mask_info_size + mask_info.bmiHeader.biSizeImage;
if (!(emr = HeapAlloc(GetProcessHeap(), 0, size))) goto err;
emr->emr.iType = EMR_PLGBLT;
emr->emr.nSize = size;
/* FIXME: not exactly what native does */
x_min = x_max = points[1].x + points[2].x - points[0].x;
y_min = y_max = points[1].y + points[2].y - points[0].y;
for (i = 0; i < ARRAYSIZE(emr->aptlDest); i++)
{
x_min = min( x_min, points[i].x );
y_min = min( y_min, points[i].y );
x_max = max( x_max, points[i].x );
y_max = max( y_min, points[i].y );
}
emr->rclBounds.left = x_min;
emr->rclBounds.top = y_min;
emr->rclBounds.right = x_max;
emr->rclBounds.bottom = y_max;
memcpy( emr->aptlDest, points, sizeof(emr->aptlDest) );
emr->xSrc = x_src;
emr->ySrc = y_src;
emr->cxSrc = width;
emr->cySrc = height;
NtGdiGetTransform( hdc_src, 0x204, &emr->xformSrc );
emr->crBkColorSrc = GetBkColor( hdc_src );
emr->iUsageSrc = DIB_RGB_COLORS;
emr->offBmiSrc = sizeof(*emr);
emr->cbBmiSrc = bmi_size;
emr->offBitsSrc = emr->offBmiSrc + bmi_size;
emr->cbBitsSrc = src_info.bmiHeader.biSizeImage;
emr->xMask = x_mask;
emr->yMask = y_mask;
emr->iUsageMask = DIB_PAL_MONO;
emr->offBmiMask = mask_info_size ? emr->offBitsSrc + emr->cbBitsSrc : 0;
emr->cbBmiMask = mask_info_size;
emr->offBitsMask = emr->offBmiMask + emr->cbBmiMask;
emr->cbBitsMask = mask_info.bmiHeader.biSizeImage;
bmi = (BITMAPINFO *)((char *)emr + emr->offBmiSrc);
bmi->bmiHeader = src_info.bmiHeader;
ret = GetDIBits( blit_dc, blit_bitmap, 0, src_info.bmiHeader.biHeight,
(char *)emr + emr->offBitsSrc, bmi, DIB_RGB_COLORS );
if (!ret) goto err;
if (mask_info_size)
{
mask_bits_info->bmiHeader = mask_info.bmiHeader;
ret = GetDIBits( blit_dc, mask_bitmap, 0, mask_info.bmiHeader.biHeight,
(char *)emr + emr->offBitsMask, mask_bits_info, DIB_RGB_COLORS );
if (ret) memcpy( (char *)emr + emr->offBmiMask, mask_bits_info, mask_info_size );
}
if (ret)
{
ret = emfdc_record( emf, (EMR *)emr );
if (ret) emfdc_update_bounds( emf, &emr->rclBounds );
}
err:
HeapFree( GetProcessHeap(), 0, emr );
if (mask_bitmap != mask) DeleteObject( mask_bitmap );
if (mask_dc != hdc_src) DeleteObject( mask_dc );
if (blit_bitmap != bitmap) DeleteObject( blit_bitmap );
if (blit_dc != hdc_src) DeleteDC( blit_dc );
return ret;
}
BOOL EMFDC_StretchDIBits( DC_ATTR *dc_attr, INT x_dst, INT y_dst, INT width_dst, INT height_dst,
INT x_src, INT y_src, INT width_src, INT height_src, const void *bits,
const BITMAPINFO *info, UINT usage, DWORD rop )
{
EMRSTRETCHDIBITS *emr;
BOOL ret;
UINT bmi_size, img_size, payload_size, emr_size;
BITMAPINFOHEADER bih;
BITMAPINFO *bi;
/* calculate the size of the colour table and the image */
if (!emf_parse_user_bitmapinfo( &bih, &info->bmiHeader, usage, TRUE,
&bmi_size, &img_size )) return 0;
/* check for overflows */
payload_size = bmi_size + img_size;
if (payload_size < bmi_size) return 0;
emr_size = sizeof (EMRSTRETCHDIBITS) + payload_size;
if (emr_size < sizeof (EMRSTRETCHDIBITS)) return 0;
/* allocate record */
if (!(emr = HeapAlloc(GetProcessHeap(), 0, emr_size ))) return 0;
/* write a bitmap info header (with colours) to the record */
bi = (BITMAPINFO *)&emr[1];
bi->bmiHeader = bih;
emf_copy_colours_from_user_bitmapinfo( bi, info, usage );
/* write bitmap bits to the record */
memcpy ( (BYTE *)&emr[1] + bmi_size, bits, img_size );
/* fill in the EMR header at the front of our piece of memory */
emr->emr.iType = EMR_STRETCHDIBITS;
emr->emr.nSize = emr_size;
emr->xDest = x_dst;
emr->yDest = y_dst;
emr->cxDest = width_dst;
emr->cyDest = height_dst;
emr->dwRop = rop;
emr->xSrc = x_src;
emr->ySrc = y_src;
emr->iUsageSrc = usage;
emr->offBmiSrc = sizeof (EMRSTRETCHDIBITS);
emr->cbBmiSrc = bmi_size;
emr->offBitsSrc = emr->offBmiSrc + bmi_size;
emr->cbBitsSrc = img_size;
emr->cxSrc = width_src;
emr->cySrc = height_src;
emr->rclBounds.left = x_dst;
emr->rclBounds.top = y_dst;
emr->rclBounds.right = x_dst + width_dst - 1;
emr->rclBounds.bottom = y_dst + height_dst - 1;
/* save the record we just created */
ret = emfdc_record( dc_attr->emf, &emr->emr );
if (ret) emfdc_update_bounds( dc_attr->emf, &emr->rclBounds );
HeapFree( GetProcessHeap(), 0, emr );
return ret;
}
BOOL EMFDC_SetDIBitsToDevice( DC_ATTR *dc_attr, INT x_dst, INT y_dst, DWORD width, DWORD height,
INT x_src, INT y_src, UINT startscan, UINT lines,
const void *bits, const BITMAPINFO *info, UINT usage )
{
EMRSETDIBITSTODEVICE *emr;
BOOL ret;
UINT bmi_size, img_size, payload_size, emr_size;
UINT src_height, stride;
BITMAPINFOHEADER bih;
BITMAPINFO *bi;
/* calculate the size of the colour table and the image */
if (!emf_parse_user_bitmapinfo( &bih, &info->bmiHeader, usage, TRUE,
&bmi_size, &img_size )) return 0;
if (bih.biHeight >= 0)
{
src_height = (UINT)bih.biHeight;
if (src_height > y_src + height) src_height = y_src + height;
if (src_height < startscan) lines = 0;
else if (lines > src_height - startscan) lines = src_height - startscan;
if (!lines) return 0;
if (bih.biCompression == BI_RGB || bih.biCompression == BI_BITFIELDS)
{
/* truncate image and check for overflows */
stride = get_dib_stride( bih.biWidth, bih.biBitCount );
img_size = lines * stride;
if (img_size / stride != lines) return 0;
}
}
/* check for overflows */
payload_size = bmi_size + img_size;
if (payload_size < bmi_size) return 0;
emr_size = sizeof (EMRSETDIBITSTODEVICE) + payload_size;
if (emr_size < sizeof (EMRSETDIBITSTODEVICE)) return 0;
/* allocate record */
if (!(emr = HeapAlloc( GetProcessHeap(), 0, emr_size ))) return FALSE;
/* write a bitmap info header (with colours) to the record */
bi = (BITMAPINFO *)&emr[1];
bi->bmiHeader = bih;
emf_copy_colours_from_user_bitmapinfo( bi, info, usage );
/* write bitmap bits to the record */
memcpy ( (BYTE *)&emr[1] + bmi_size, bits, img_size );
emr->emr.iType = EMR_SETDIBITSTODEVICE;
emr->emr.nSize = emr_size;
emr->rclBounds.left = x_dst;
emr->rclBounds.top = y_dst;
emr->rclBounds.right = x_dst + width - 1;
emr->rclBounds.bottom = y_dst + height - 1;
emr->xDest = x_dst;
emr->yDest = y_dst;
emr->xSrc = x_src;
emr->ySrc = y_src;
emr->cxSrc = width;
emr->cySrc = height;
emr->offBmiSrc = sizeof(EMRSETDIBITSTODEVICE);
emr->cbBmiSrc = bmi_size;
emr->offBitsSrc = sizeof(EMRSETDIBITSTODEVICE) + bmi_size;
emr->cbBitsSrc = img_size;
emr->iUsageSrc = usage;
emr->iStartScan = startscan;
emr->cScans = lines;
if ((ret = emfdc_record( dc_attr->emf, (EMR*)emr )))
emfdc_update_bounds( dc_attr->emf, &emr->rclBounds );
HeapFree( GetProcessHeap(), 0, emr );
return ret;
}
BOOL EMFDC_SetDCBrushColor( DC_ATTR *dc_attr, COLORREF color )
{
struct emf *emf = dc_attr->emf;
EMRSELECTOBJECT emr;
DWORD index;
if (GetCurrentObject( dc_attr->hdc, OBJ_BRUSH ) != GetStockObject( DC_BRUSH )) return TRUE;
if (emf->dc_brush) DeleteObject( emf->dc_brush );
if (!(emf->dc_brush = CreateSolidBrush( color ))) return FALSE;
if (!(index = emfdc_create_brush( emf, emf->dc_brush ))) return FALSE;
GDI_hdc_using_object( emf->dc_brush, dc_attr->hdc, emfdc_delete_object );
emr.emr.iType = EMR_SELECTOBJECT;
emr.emr.nSize = sizeof(emr);
emr.ihObject = index;
return emfdc_record( emf, &emr.emr );
}
BOOL EMFDC_SetDCPenColor( DC_ATTR *dc_attr, COLORREF color )
{
struct emf *emf = dc_attr->emf;
EMRSELECTOBJECT emr;
DWORD index;
LOGPEN logpen = { PS_SOLID, { 0, 0 }, color };
if (GetCurrentObject( dc_attr->hdc, OBJ_PEN ) != GetStockObject( DC_PEN )) return TRUE;
if (emf->dc_pen) DeleteObject( emf->dc_pen );
if (!(emf->dc_pen = CreatePenIndirect( &logpen ))) return FALSE;
if (!(index = emfdc_create_pen( emf, emf->dc_pen ))) return FALSE;
GDI_hdc_using_object( emf->dc_pen, dc_attr->hdc, emfdc_delete_object );
emr.emr.iType = EMR_SELECTOBJECT;
emr.emr.nSize = sizeof(emr);
emr.ihObject = index;
return emfdc_record( emf, &emr.emr );
}
BOOL EMFDC_SaveDC( DC_ATTR *dc_attr )
{
EMRSAVEDC emr;
emr.emr.iType = EMR_SAVEDC;
emr.emr.nSize = sizeof(emr);
return emfdc_record( dc_attr->emf, &emr.emr );
}
BOOL EMFDC_RestoreDC( DC_ATTR *dc_attr, INT level )
{
EMRRESTOREDC emr;
if (abs(level) > dc_attr->save_level || level == 0) return FALSE;
emr.emr.iType = EMR_RESTOREDC;
emr.emr.nSize = sizeof(emr);
if (level < 0)
emr.iRelative = level;
else
emr.iRelative = level - dc_attr->save_level - 1;
return emfdc_record( dc_attr->emf, &emr.emr );
}
BOOL EMFDC_SetTextAlign( DC_ATTR *dc_attr, UINT align )
{
EMRSETTEXTALIGN emr;
emr.emr.iType = EMR_SETTEXTALIGN;
emr.emr.nSize = sizeof(emr);
emr.iMode = align;
return emfdc_record( dc_attr->emf, &emr.emr );
}
BOOL EMFDC_SetTextJustification( DC_ATTR *dc_attr, INT extra, INT breaks )
{
EMRSETTEXTJUSTIFICATION emr;
emr.emr.iType = EMR_SETTEXTJUSTIFICATION;
emr.emr.nSize = sizeof(emr);
emr.nBreakExtra = extra;
emr.nBreakCount = breaks;
return emfdc_record( dc_attr->emf, &emr.emr );
}
BOOL EMFDC_SetBkMode( DC_ATTR *dc_attr, INT mode )
{
EMRSETBKMODE emr;
emr.emr.iType = EMR_SETBKMODE;
emr.emr.nSize = sizeof(emr);
emr.iMode = mode;
return emfdc_record( dc_attr->emf, &emr.emr );
}
BOOL EMFDC_SetBkColor( DC_ATTR *dc_attr, COLORREF color )
{
EMRSETBKCOLOR emr;
emr.emr.iType = EMR_SETBKCOLOR;
emr.emr.nSize = sizeof(emr);
emr.crColor = color;
return emfdc_record( dc_attr->emf, &emr.emr );
}
BOOL EMFDC_SetTextColor( DC_ATTR *dc_attr, COLORREF color )
{
EMRSETTEXTCOLOR emr;
emr.emr.iType = EMR_SETTEXTCOLOR;
emr.emr.nSize = sizeof(emr);
emr.crColor = color;
return emfdc_record( dc_attr->emf, &emr.emr );
}
BOOL EMFDC_SetROP2( DC_ATTR *dc_attr, INT rop )
{
EMRSETROP2 emr;
emr.emr.iType = EMR_SETROP2;
emr.emr.nSize = sizeof(emr);
emr.iMode = rop;
return emfdc_record( dc_attr->emf, &emr.emr );
}
BOOL EMFDC_SetPolyFillMode( DC_ATTR *dc_attr, INT mode )
{
EMRSETPOLYFILLMODE emr;
emr.emr.iType = EMR_SETPOLYFILLMODE;
emr.emr.nSize = sizeof(emr);
emr.iMode = mode;
return emfdc_record( dc_attr->emf, &emr.emr );
}
BOOL EMFDC_SetStretchBltMode( DC_ATTR *dc_attr, INT mode )
{
EMRSETSTRETCHBLTMODE emr;
emr.emr.iType = EMR_SETSTRETCHBLTMODE;
emr.emr.nSize = sizeof(emr);
emr.iMode = mode;
return emfdc_record( dc_attr->emf, &emr.emr );
}
BOOL EMFDC_SetArcDirection( DC_ATTR *dc_attr, INT dir )
{
EMRSETARCDIRECTION emr;
emr.emr.iType = EMR_SETARCDIRECTION;
emr.emr.nSize = sizeof(emr);
emr.iArcDirection = dir;
return emfdc_record( dc_attr->emf, &emr.emr );
}
INT EMFDC_ExcludeClipRect( DC_ATTR *dc_attr, INT left, INT top, INT right, INT bottom )
{
EMREXCLUDECLIPRECT emr;
emr.emr.iType = EMR_EXCLUDECLIPRECT;
emr.emr.nSize = sizeof(emr);
emr.rclClip.left = left;
emr.rclClip.top = top;
emr.rclClip.right = right;
emr.rclClip.bottom = bottom;
return emfdc_record( dc_attr->emf, &emr.emr );
}
BOOL EMFDC_IntersectClipRect( DC_ATTR *dc_attr, INT left, INT top, INT right, INT bottom)
{
EMRINTERSECTCLIPRECT emr;
emr.emr.iType = EMR_INTERSECTCLIPRECT;
emr.emr.nSize = sizeof(emr);
emr.rclClip.left = left;
emr.rclClip.top = top;
emr.rclClip.right = right;
emr.rclClip.bottom = bottom;
return emfdc_record( dc_attr->emf, &emr.emr );
}
BOOL EMFDC_OffsetClipRgn( DC_ATTR *dc_attr, INT x, INT y )
{
EMROFFSETCLIPRGN emr;
emr.emr.iType = EMR_OFFSETCLIPRGN;
emr.emr.nSize = sizeof(emr);
emr.ptlOffset.x = x;
emr.ptlOffset.y = y;
return emfdc_record( dc_attr->emf, &emr.emr );
}
BOOL EMFDC_ExtSelectClipRgn( DC_ATTR *dc_attr, HRGN hrgn, INT mode )
{
EMREXTSELECTCLIPRGN *emr;
DWORD size, rgnsize;
BOOL ret;
if (!hrgn)
{
if (mode != RGN_COPY) return ERROR;
rgnsize = 0;
}
else rgnsize = NtGdiGetRegionData( hrgn, 0, NULL );
size = rgnsize + offsetof(EMREXTSELECTCLIPRGN,RgnData);
emr = HeapAlloc( GetProcessHeap(), 0, size );
if (rgnsize) NtGdiGetRegionData( hrgn, rgnsize, (RGNDATA *)&emr->RgnData );
emr->emr.iType = EMR_EXTSELECTCLIPRGN;
emr->emr.nSize = size;
emr->cbRgnData = rgnsize;
emr->iMode = mode;
ret = emfdc_record( dc_attr->emf, &emr->emr );
HeapFree( GetProcessHeap(), 0, emr );
return ret;
}
BOOL EMFDC_SetMapMode( DC_ATTR *dc_attr, INT mode )
{
EMRSETMAPMODE emr;
emr.emr.iType = EMR_SETMAPMODE;
emr.emr.nSize = sizeof(emr);
emr.iMode = mode;
return emfdc_record( dc_attr->emf, &emr.emr );
}
BOOL EMFDC_SetViewportExtEx( DC_ATTR *dc_attr, INT cx, INT cy )
{
EMRSETVIEWPORTEXTEX emr;
emr.emr.iType = EMR_SETVIEWPORTEXTEX;
emr.emr.nSize = sizeof(emr);
emr.szlExtent.cx = cx;
emr.szlExtent.cy = cy;
return emfdc_record( dc_attr->emf, &emr.emr );
}
BOOL EMFDC_SetWindowExtEx( DC_ATTR *dc_attr, INT cx, INT cy )
{
EMRSETWINDOWEXTEX emr;
emr.emr.iType = EMR_SETWINDOWEXTEX;
emr.emr.nSize = sizeof(emr);
emr.szlExtent.cx = cx;
emr.szlExtent.cy = cy;
return emfdc_record( dc_attr->emf, &emr.emr );
}
BOOL EMFDC_SetViewportOrgEx( DC_ATTR *dc_attr, INT x, INT y )
{
EMRSETVIEWPORTORGEX emr;
emr.emr.iType = EMR_SETVIEWPORTORGEX;
emr.emr.nSize = sizeof(emr);
emr.ptlOrigin.x = x;
emr.ptlOrigin.y = y;
return emfdc_record( dc_attr->emf, &emr.emr );
}
BOOL EMFDC_SetWindowOrgEx( DC_ATTR *dc_attr, INT x, INT y )
{
EMRSETWINDOWORGEX emr;
emr.emr.iType = EMR_SETWINDOWORGEX;
emr.emr.nSize = sizeof(emr);
emr.ptlOrigin.x = x;
emr.ptlOrigin.y = y;
return emfdc_record( dc_attr->emf, &emr.emr );
}
BOOL EMFDC_ScaleViewportExtEx( DC_ATTR *dc_attr, INT x_num, INT x_denom, INT y_num, INT y_denom )
{
EMRSCALEVIEWPORTEXTEX emr;
emr.emr.iType = EMR_SCALEVIEWPORTEXTEX;
emr.emr.nSize = sizeof(emr);
emr.xNum = x_num;
emr.xDenom = x_denom;
emr.yNum = y_num;
emr.yDenom = y_denom;
return emfdc_record( dc_attr->emf, &emr.emr );
}
BOOL EMFDC_ScaleWindowExtEx( DC_ATTR *dc_attr, INT x_num, INT x_denom, INT y_num, INT y_denom )
{
EMRSCALEWINDOWEXTEX emr;
emr.emr.iType = EMR_SCALEWINDOWEXTEX;
emr.emr.nSize = sizeof(emr);
emr.xNum = x_num;
emr.xDenom = x_denom;
emr.yNum = y_num;
emr.yDenom = y_denom;
return emfdc_record( dc_attr->emf, &emr.emr );
}
BOOL EMFDC_SetLayout( DC_ATTR *dc_attr, DWORD layout )
{
EMRSETLAYOUT emr;
emr.emr.iType = EMR_SETLAYOUT;
emr.emr.nSize = sizeof(emr);
emr.iMode = layout;
return emfdc_record( dc_attr->emf, &emr.emr );
}
BOOL EMFDC_SetWorldTransform( DC_ATTR *dc_attr, const XFORM *xform )
{
EMRSETWORLDTRANSFORM emr;
emr.emr.iType = EMR_SETWORLDTRANSFORM;
emr.emr.nSize = sizeof(emr);
emr.xform = *xform;
return emfdc_record( dc_attr->emf, &emr.emr );
}
BOOL EMFDC_ModifyWorldTransform( DC_ATTR *dc_attr, const XFORM *xform, DWORD mode )
{
EMRMODIFYWORLDTRANSFORM emr;
emr.emr.iType = EMR_MODIFYWORLDTRANSFORM;
emr.emr.nSize = sizeof(emr);
if (mode == MWT_IDENTITY)
{
emr.xform.eM11 = 1.0f;
emr.xform.eM12 = 0.0f;
emr.xform.eM21 = 0.0f;
emr.xform.eM22 = 1.0f;
emr.xform.eDx = 0.0f;
emr.xform.eDy = 0.0f;
}
else
{
emr.xform = *xform;
}
emr.iMode = mode;
return emfdc_record( dc_attr->emf, &emr.emr );
}
BOOL EMFDC_SetMapperFlags( DC_ATTR *dc_attr, DWORD flags )
{
EMRSETMAPPERFLAGS emr;
emr.emr.iType = EMR_SETMAPPERFLAGS;
emr.emr.nSize = sizeof(emr);
emr.dwFlags = flags;
return emfdc_record( dc_attr->emf, &emr.emr );
}
BOOL EMFDC_AbortPath( DC_ATTR *dc_attr )
{
struct emf *emf = dc_attr->emf;
EMRABORTPATH emr;
emr.emr.iType = EMR_ABORTPATH;
emr.emr.nSize = sizeof(emr);
emf->path = FALSE;
return emfdc_record( dc_attr->emf, &emr.emr );
}
BOOL EMFDC_BeginPath( DC_ATTR *dc_attr )
{
struct emf *emf = dc_attr->emf;
EMRBEGINPATH emr;
emr.emr.iType = EMR_BEGINPATH;
emr.emr.nSize = sizeof(emr);
if (!emfdc_record( emf, &emr.emr )) return FALSE;
emf->path = TRUE;
return TRUE;
}
BOOL EMFDC_CloseFigure( DC_ATTR *dc_attr )
{
EMRCLOSEFIGURE emr;
emr.emr.iType = EMR_CLOSEFIGURE;
emr.emr.nSize = sizeof(emr);
return emfdc_record( dc_attr->emf, &emr.emr );
}
BOOL EMFDC_EndPath( DC_ATTR *dc_attr )
{
struct emf *emf = dc_attr->emf;
EMRENDPATH emr;
emf->path = FALSE;
emr.emr.iType = EMR_ENDPATH;
emr.emr.nSize = sizeof(emr);
return emfdc_record( emf, &emr.emr );
}
BOOL EMFDC_FlattenPath( DC_ATTR *dc_attr )
{
EMRFLATTENPATH emr;
emr.emr.iType = EMR_FLATTENPATH;
emr.emr.nSize = sizeof(emr);
return emfdc_record( dc_attr->emf, &emr.emr );
}
BOOL EMFDC_SelectClipPath( DC_ATTR *dc_attr, INT mode )
{
EMRSELECTCLIPPATH emr;
emr.emr.iType = EMR_SELECTCLIPPATH;
emr.emr.nSize = sizeof(emr);
emr.iMode = mode;
return emfdc_record( dc_attr->emf, &emr.emr );
}
BOOL EMFDC_WidenPath( DC_ATTR *dc_attr )
{
EMRWIDENPATH emr;
emr.emr.iType = EMR_WIDENPATH;
emr.emr.nSize = sizeof(emr);
return emfdc_record( dc_attr->emf, &emr.emr );
}
void EMFDC_DeleteDC( DC_ATTR *dc_attr )
{
struct emf *emf = dc_attr->emf;
UINT index;
HeapFree( GetProcessHeap(), 0, emf->emh );
for (index = 0; index < emf->handles_size; index++)
if (emf->handles[index])
GDI_hdc_not_using_object( emf->handles[index], emf->dc_attr->hdc );
HeapFree( GetProcessHeap(), 0, emf->handles );
}
/*******************************************************************
* GdiComment (GDI32.@)
*/
BOOL WINAPI GdiComment( HDC hdc, UINT bytes, const BYTE *buffer )
{
DC_ATTR *dc_attr;
EMRGDICOMMENT *emr;
UINT total, rounded_size;
BOOL ret;
if (!(dc_attr = get_dc_attr( hdc )) || !dc_attr->emf) return FALSE;
rounded_size = (bytes+3) & ~3;
total = offsetof(EMRGDICOMMENT,Data) + rounded_size;
emr = HeapAlloc(GetProcessHeap(), 0, total);
emr->emr.iType = EMR_GDICOMMENT;
emr->emr.nSize = total;
emr->cbData = bytes;
memset(&emr->Data[bytes], 0, rounded_size - bytes);
memcpy(&emr->Data[0], buffer, bytes);
ret = emfdc_record( dc_attr->emf, &emr->emr );
HeapFree(GetProcessHeap(), 0, emr);
return ret;
}
/**********************************************************************
* CreateEnhMetaFileA (GDI32.@)
*/
HDC WINAPI CreateEnhMetaFileA( HDC hdc, const char *filename, const RECT *rect,
const char *description )
{
WCHAR *filenameW = NULL;
WCHAR *descriptionW = NULL;
DWORD len1, len2, total;
HDC ret;
if (filename)
{
total = MultiByteToWideChar( CP_ACP, 0, filename, -1, NULL, 0 );
filenameW = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) );
MultiByteToWideChar( CP_ACP, 0, filename, -1, filenameW, total );
}
if(description)
{
len1 = strlen(description);
len2 = strlen(description + len1 + 1);
total = MultiByteToWideChar( CP_ACP, 0, description, len1 + len2 + 3, NULL, 0 );
descriptionW = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) );
MultiByteToWideChar( CP_ACP, 0, description, len1 + len2 + 3, descriptionW, total );
}
ret = CreateEnhMetaFileW( hdc, filenameW, rect, descriptionW );
HeapFree( GetProcessHeap(), 0, filenameW );
HeapFree( GetProcessHeap(), 0, descriptionW );
return ret;
}
/**********************************************************************
* CreateEnhMetaFileW (GDI32.@)
*/
HDC WINAPI CreateEnhMetaFileW( HDC hdc, const WCHAR *filename, const RECT *rect,
const WCHAR *description )
{
HDC ret;
struct emf *emf;
DC_ATTR *dc_attr;
HANDLE file;
DWORD size = 0, length = 0;
TRACE( "(%p %s %s %s)\n", hdc, debugstr_w(filename), wine_dbgstr_rect(rect),
debugstr_w(description) );
if (!(ret = NtGdiCreateMetafileDC( hdc ))) return 0;
if (!(dc_attr = get_dc_attr( ret )) || !(emf = HeapAlloc( GetProcessHeap(), 0, sizeof(*emf) )))
{
DeleteDC( ret );
return 0;
}
emf->dc_attr = dc_attr;
dc_attr->emf = emf;
if (description) /* App name\0Title\0\0 */
{
length = lstrlenW( description );
length += lstrlenW( description + length + 1 );
length += 3;
length *= 2;
}
size = sizeof(ENHMETAHEADER) + (length + 3) / 4 * 4;
if (!(emf->emh = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, size)))
{
DeleteDC( ret );
return 0;
}
emf->dc_attr = dc_attr;
emf->handles = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
HANDLE_LIST_INC * sizeof(emf->handles[0]) );
emf->handles_size = HANDLE_LIST_INC;
emf->cur_handles = 1;
emf->file = 0;
emf->dc_brush = 0;
emf->dc_pen = 0;
emf->path = FALSE;
emf->emh->iType = EMR_HEADER;
emf->emh->nSize = size;
dc_attr->emf_bounds.left = dc_attr->emf_bounds.top = 0;
dc_attr->emf_bounds.right = dc_attr->emf_bounds.bottom = -1;
if (rect)
{
emf->emh->rclFrame.left = rect->left;
emf->emh->rclFrame.top = rect->top;
emf->emh->rclFrame.right = rect->right;
emf->emh->rclFrame.bottom = rect->bottom;
}
else
{
/* Set this to {0,0 - -1,-1} and update it at the end */
emf->emh->rclFrame.left = emf->emh->rclFrame.top = 0;
emf->emh->rclFrame.right = emf->emh->rclFrame.bottom = -1;
}
emf->emh->dSignature = ENHMETA_SIGNATURE;
emf->emh->nVersion = 0x10000;
emf->emh->nBytes = emf->emh->nSize;
emf->emh->nRecords = 1;
emf->emh->nHandles = 1;
emf->emh->sReserved = 0; /* According to docs, this is reserved and must be 0 */
emf->emh->nDescription = length / 2;
emf->emh->offDescription = length ? sizeof(ENHMETAHEADER) : 0;
emf->emh->nPalEntries = 0; /* I guess this should start at 0 */
/* Size in pixels */
emf->emh->szlDevice.cx = GetDeviceCaps( ret, HORZRES );
emf->emh->szlDevice.cy = GetDeviceCaps( ret, VERTRES );
/* Size in millimeters */
emf->emh->szlMillimeters.cx = GetDeviceCaps( ret, HORZSIZE );
emf->emh->szlMillimeters.cy = GetDeviceCaps( ret, VERTSIZE );
/* Size in micrometers */
emf->emh->szlMicrometers.cx = emf->emh->szlMillimeters.cx * 1000;
emf->emh->szlMicrometers.cy = emf->emh->szlMillimeters.cy * 1000;
memcpy( (char *)emf->emh + sizeof(ENHMETAHEADER), description, length );
if (filename) /* disk based metafile */
{
if ((file = CreateFileW( filename, GENERIC_WRITE | GENERIC_READ, 0,
NULL, CREATE_ALWAYS, 0, 0)) == INVALID_HANDLE_VALUE)
{
DeleteDC( ret );
return 0;
}
emf->file = file;
}
TRACE( "returning %p\n", ret );
return ret;
}
/******************************************************************
* CloseEnhMetaFile (GDI32.@)
*/
HENHMETAFILE WINAPI CloseEnhMetaFile( HDC hdc )
{
HENHMETAFILE hmf;
struct emf *emf;
DC_ATTR *dc_attr;
EMREOF emr;
HANDLE mapping = 0;
TRACE("(%p)\n", hdc );
if (!(dc_attr = get_dc_attr( hdc )) || !dc_attr->emf) return 0;
emf = dc_attr->emf;
if (dc_attr->save_level)
RestoreDC( hdc, 1 );
if (emf->dc_brush) DeleteObject( emf->dc_brush );
if (emf->dc_pen) DeleteObject( emf->dc_pen );
emr.emr.iType = EMR_EOF;
emr.emr.nSize = sizeof(emr);
emr.nPalEntries = 0;
emr.offPalEntries = FIELD_OFFSET(EMREOF, nSizeLast);
emr.nSizeLast = emr.emr.nSize;
emfdc_record( emf, &emr.emr );
emf->emh->rclBounds = dc_attr->emf_bounds;
/* Update rclFrame if not initialized in CreateEnhMetaFile */
if (emf->emh->rclFrame.left > emf->emh->rclFrame.right)
{
emf->emh->rclFrame.left = emf->emh->rclBounds.left *
emf->emh->szlMillimeters.cx * 100 / emf->emh->szlDevice.cx;
emf->emh->rclFrame.top = emf->emh->rclBounds.top *
emf->emh->szlMillimeters.cy * 100 / emf->emh->szlDevice.cy;
emf->emh->rclFrame.right = emf->emh->rclBounds.right *
emf->emh->szlMillimeters.cx * 100 / emf->emh->szlDevice.cx;
emf->emh->rclFrame.bottom = emf->emh->rclBounds.bottom *
emf->emh->szlMillimeters.cy * 100 / emf->emh->szlDevice.cy;
}
if (emf->file) /* disk based metafile */
{
if (!WriteFile( emf->file, emf->emh, emf->emh->nBytes, NULL, NULL ))
{
CloseHandle( emf->file );
return 0;
}
HeapFree( GetProcessHeap(), 0, emf->emh );
mapping = CreateFileMappingA( emf->file, NULL, PAGE_READONLY, 0, 0, NULL );
TRACE( "mapping = %p\n", mapping );
emf->emh = MapViewOfFile( mapping, FILE_MAP_READ, 0, 0, 0 );
TRACE( "view = %p\n", emf->emh );
CloseHandle( mapping );
CloseHandle( emf->file );
}
hmf = EMF_Create_HENHMETAFILE( emf->emh, emf->emh->nBytes, emf->file != 0 );
emf->emh = NULL; /* So it won't be deleted */
DeleteDC( hdc );
return hmf;
}
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