590 lines
19 KiB
C
590 lines
19 KiB
C
/*
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* Enhanced MetaFile driver
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*
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* Copyright 1999 Huw D M Davies
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* Copyright 2021 Jacek Caban for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#if 0
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#pragma makedep unix
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#endif
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#include "ntgdi_private.h"
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typedef struct
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{
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struct gdi_physdev dev;
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INT dev_caps[COLORMGMTCAPS + 1];
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} EMFDRV_PDEVICE;
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static inline EMFDRV_PDEVICE *get_emf_physdev( PHYSDEV dev )
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{
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return CONTAINING_RECORD( dev, EMFDRV_PDEVICE, dev );
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}
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static void emfdrv_update_bounds( DC *dc, RECTL *rect )
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{
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RECTL *bounds = &dc->attr->emf_bounds;
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RECTL vport_rect = *rect;
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lp_to_dp( dc, (POINT *)&vport_rect, 2 );
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/* The coordinate systems may be mirrored
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(LPtoDP handles points, not rectangles) */
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if (vport_rect.left > vport_rect.right)
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{
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LONG temp = vport_rect.right;
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vport_rect.right = vport_rect.left;
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vport_rect.left = temp;
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}
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if (vport_rect.top > vport_rect.bottom)
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{
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LONG temp = vport_rect.bottom;
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vport_rect.bottom = vport_rect.top;
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vport_rect.top = temp;
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}
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if (bounds->left > bounds->right)
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{
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/* first bounding rectangle */
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*bounds = vport_rect;
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}
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else
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{
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bounds->left = min( bounds->left, vport_rect.left );
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bounds->top = min( bounds->top, vport_rect.top );
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bounds->right = max( bounds->right, vport_rect.right );
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bounds->bottom = max( bounds->bottom, vport_rect.bottom );
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}
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}
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static BOOL CDECL EMFDRV_LineTo( PHYSDEV dev, INT x, INT y )
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{
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DC *dc = get_physdev_dc( dev );
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RECTL bounds;
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POINT pt;
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pt = dc->attr->cur_pos;
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bounds.left = min( x, pt.x );
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bounds.top = min( y, pt.y );
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bounds.right = max( x, pt.x );
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bounds.bottom = max( y, pt.y );
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emfdrv_update_bounds( dc, &bounds );
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return TRUE;
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}
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static BOOL CDECL EMFDRV_RoundRect( PHYSDEV dev, INT left, INT top, INT right,
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INT bottom, INT ell_width, INT ell_height )
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{
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DC *dc = get_physdev_dc( dev );
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RECTL bounds;
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if (left == right || top == bottom) return FALSE;
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bounds.left = min( left, right );
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bounds.top = min( top, bottom );
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bounds.right = max( left, right );
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bounds.bottom = max( top, bottom );
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if (dc->attr->graphics_mode == GM_COMPATIBLE)
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{
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bounds.right--;
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bounds.bottom--;
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}
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emfdrv_update_bounds( dc, &bounds );
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return TRUE;
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}
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static BOOL EMFDRV_ArcChordPie( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
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INT xstart, INT ystart, INT xend, INT yend, DWORD type )
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{
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DC *dc = get_physdev_dc( dev );
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INT temp, x_centre, y_centre, i;
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double angle_start, angle_end;
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double xinter_start, yinter_start, xinter_end, yinter_end;
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EMRARC emr;
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RECTL bounds;
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if (left == right || top == bottom) return FALSE;
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if (left > right) { temp = left; left = right; right = temp; }
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if (top > bottom) { temp = top; top = bottom; bottom = temp; }
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if (dc->attr->graphics_mode == GM_COMPATIBLE)
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{
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right--;
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bottom--;
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}
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emr.emr.iType = type;
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emr.emr.nSize = sizeof(emr);
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emr.rclBox.left = left;
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emr.rclBox.top = top;
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emr.rclBox.right = right;
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emr.rclBox.bottom = bottom;
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emr.ptlStart.x = xstart;
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emr.ptlStart.y = ystart;
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emr.ptlEnd.x = xend;
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emr.ptlEnd.y = yend;
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/* Now calculate the BBox */
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x_centre = (left + right + 1) / 2;
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y_centre = (top + bottom + 1) / 2;
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xstart -= x_centre;
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ystart -= y_centre;
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xend -= x_centre;
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yend -= y_centre;
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/* invert y co-ords to get angle anti-clockwise from x-axis */
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angle_start = atan2( -(double)ystart, (double)xstart );
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angle_end = atan2( -(double)yend, (double)xend );
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/* These are the intercepts of the start/end lines with the arc */
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xinter_start = (right - left + 1)/2 * cos(angle_start) + x_centre;
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yinter_start = -(bottom - top + 1)/2 * sin(angle_start) + y_centre;
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xinter_end = (right - left + 1)/2 * cos(angle_end) + x_centre;
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yinter_end = -(bottom - top + 1)/2 * sin(angle_end) + y_centre;
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if (angle_start < 0) angle_start += 2 * M_PI;
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if (angle_end < 0) angle_end += 2 * M_PI;
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if (angle_end < angle_start) angle_end += 2 * M_PI;
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bounds.left = min( xinter_start, xinter_end );
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bounds.top = min( yinter_start, yinter_end );
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bounds.right = max( xinter_start, xinter_end );
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bounds.bottom = max( yinter_start, yinter_end );
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for (i = 0; i <= 8; i++)
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{
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if(i * M_PI / 2 < angle_start) /* loop until we're past start */
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continue;
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if(i * M_PI / 2 > angle_end) /* if we're past end we're finished */
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break;
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/* the arc touches the rectangle at the start of quadrant i, so adjust
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BBox to reflect this. */
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switch(i % 4) {
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case 0:
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bounds.right = right;
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break;
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case 1:
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bounds.top = top;
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break;
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case 2:
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bounds.left = left;
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break;
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case 3:
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bounds.bottom = bottom;
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break;
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}
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}
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/* If we're drawing a pie then make sure we include the centre */
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if (type == EMR_PIE)
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{
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if (bounds.left > x_centre) bounds.left = x_centre;
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else if (bounds.right < x_centre) bounds.right = x_centre;
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if (bounds.top > y_centre) bounds.top = y_centre;
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else if (bounds.bottom < y_centre) bounds.bottom = y_centre;
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}
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else if (type == EMR_ARCTO)
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{
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POINT pt;
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pt = dc->attr->cur_pos;
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bounds.left = min( bounds.left, pt.x );
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bounds.top = min( bounds.top, pt.y );
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bounds.right = max( bounds.right, pt.x );
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bounds.bottom = max( bounds.bottom, pt.y );
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}
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emfdrv_update_bounds( dc, &bounds );
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return TRUE;
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}
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static BOOL CDECL EMFDRV_Arc( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
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INT xstart, INT ystart, INT xend, INT yend )
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{
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return EMFDRV_ArcChordPie( dev, left, top, right, bottom, xstart, ystart,
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xend, yend, EMR_ARC );
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}
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static BOOL CDECL EMFDRV_ArcTo( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
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INT xstart, INT ystart, INT xend, INT yend )
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{
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return EMFDRV_ArcChordPie( dev, left, top, right, bottom, xstart, ystart,
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xend, yend, EMR_ARCTO );
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}
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static BOOL CDECL EMFDRV_Pie( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
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INT xstart, INT ystart, INT xend, INT yend )
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{
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return EMFDRV_ArcChordPie( dev, left, top, right, bottom, xstart, ystart,
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xend, yend, EMR_PIE );
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}
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static BOOL CDECL EMFDRV_Chord( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
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INT xstart, INT ystart, INT xend, INT yend )
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{
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return EMFDRV_ArcChordPie( dev, left, top, right, bottom, xstart, ystart,
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xend, yend, EMR_CHORD );
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}
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static BOOL CDECL EMFDRV_Ellipse( PHYSDEV dev, INT left, INT top, INT right, INT bottom )
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{
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DC *dc = get_physdev_dc( dev );
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RECTL bounds;
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if (left == right || top == bottom) return FALSE;
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bounds.left = min( left, right );
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bounds.top = min( top, bottom );
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bounds.right = max( left, right );
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bounds.bottom = max( top, bottom );
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if (dc->attr->graphics_mode == GM_COMPATIBLE)
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{
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bounds.right--;
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bounds.bottom--;
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}
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emfdrv_update_bounds( dc, &bounds );
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return TRUE;
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}
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static BOOL CDECL EMFDRV_Rectangle( PHYSDEV dev, INT left, INT top, INT right, INT bottom )
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{
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DC *dc = get_physdev_dc( dev );
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RECTL bounds;
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if (left == right || top == bottom) return FALSE;
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bounds.left = min( left, right );
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bounds.top = min( top, bottom );
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bounds.right = max( left, right );
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bounds.bottom = max( top, bottom );
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if (dc->attr->graphics_mode == GM_COMPATIBLE)
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{
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bounds.right--;
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bounds.bottom--;
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}
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emfdrv_update_bounds( dc, &bounds );
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return TRUE;
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}
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static COLORREF CDECL EMFDRV_SetPixel( PHYSDEV dev, INT x, INT y, COLORREF color )
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{
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DC *dc = get_physdev_dc( dev );
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RECTL bounds;
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bounds.left = bounds.right = x;
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bounds.top = bounds.bottom = y;
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emfdrv_update_bounds( dc, &bounds );
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return CLR_INVALID;
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}
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static BOOL CDECL EMFDRV_PolylineTo( PHYSDEV dev, const POINT *pt, INT count )
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{
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/* FIXME: update bounding rect */
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return TRUE;
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}
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static BOOL CDECL EMFDRV_PolyBezier( PHYSDEV dev, const POINT *pts, DWORD count )
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{
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/* FIXME: update bounding rect */
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return TRUE;
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}
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static BOOL CDECL EMFDRV_PolyBezierTo( PHYSDEV dev, const POINT *pts, DWORD count )
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{
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/* FIXME: update bounding rect */
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return TRUE;
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}
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static BOOL CDECL EMFDRV_PolyPolyline( PHYSDEV dev, const POINT *pt,
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const DWORD *counts, DWORD polys )
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{
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/* FIXME: update bounding rect */
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return TRUE;
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}
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static BOOL CDECL EMFDRV_PolyPolygon( PHYSDEV dev, const POINT *pt,
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const INT *counts, UINT polys )
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{
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/* FIXME: update bounding rect */
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return TRUE;
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}
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static BOOL CDECL EMFDRV_PolyDraw( PHYSDEV dev, const POINT *pts,
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const BYTE *types, DWORD count )
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{
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/* FIXME: update bounding rect */
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return TRUE;
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}
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static BOOL CDECL EMFDRV_FillRgn( PHYSDEV dev, HRGN hrgn, HBRUSH hbrush )
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{
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/* FIXME: update bounding rect */
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return TRUE;
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}
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static BOOL CDECL EMFDRV_FrameRgn( PHYSDEV dev, HRGN hrgn, HBRUSH hbrush, INT width, INT height )
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{
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/* FIXME: update bounding rect */
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return TRUE;
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}
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static BOOL CDECL EMFDRV_InvertRgn( PHYSDEV dev, HRGN hrgn )
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{
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/* FIXME: update bounding rect */
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return TRUE;
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}
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static BOOL CDECL EMFDRV_ExtTextOut( PHYSDEV dev, INT x, INT y, UINT flags, const RECT *lprect,
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LPCWSTR str, UINT count, const INT *lpDx )
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{
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/* FIXME: update bounding rect */
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return TRUE;
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}
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static BOOL CDECL EMFDRV_GradientFill( PHYSDEV dev, TRIVERTEX *vert_array, ULONG nvert,
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void *grad_array, ULONG ngrad, ULONG mode )
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{
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/* FIXME: update bounding rect */
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return TRUE;
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}
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static BOOL CDECL EMFDRV_FillPath( PHYSDEV dev )
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{
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/* FIXME: update bound rect */
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return TRUE;
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}
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static BOOL CDECL EMFDRV_StrokeAndFillPath( PHYSDEV dev )
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{
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/* FIXME: update bound rect */
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return TRUE;
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}
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static BOOL CDECL EMFDRV_StrokePath( PHYSDEV dev )
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{
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/* FIXME: update bound rect */
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return TRUE;
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}
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static BOOL CDECL EMFDRV_AlphaBlend( PHYSDEV dev_dst, struct bitblt_coords *dst,
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PHYSDEV dev_src, struct bitblt_coords *src,
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BLENDFUNCTION func )
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{
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/* FIXME: update bound rect */
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return TRUE;
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}
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static BOOL CDECL EMFDRV_PatBlt( PHYSDEV dev, struct bitblt_coords *dst, DWORD rop )
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{
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/* FIXME: update bound rect */
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return TRUE;
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}
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static HBITMAP CDECL EMFDRV_SelectBitmap( PHYSDEV dev, HBITMAP hbitmap )
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{
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return 0;
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}
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static HFONT CDECL EMFDRV_SelectFont( PHYSDEV dev, HFONT font, UINT *aa_flags )
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{
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*aa_flags = GGO_BITMAP; /* no point in anti-aliasing on metafiles */
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dev = GET_NEXT_PHYSDEV( dev, pSelectFont );
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return dev->funcs->pSelectFont( dev, font, aa_flags );
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}
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static INT CDECL EMFDRV_GetDeviceCaps( PHYSDEV dev, INT cap )
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{
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EMFDRV_PDEVICE *physDev = get_emf_physdev( dev );
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if (cap >= 0 && cap < ARRAY_SIZE( physDev->dev_caps ))
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return physDev->dev_caps[cap];
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return 0;
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}
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static BOOL CDECL EMFDRV_DeleteDC( PHYSDEV dev )
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{
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EMFDRV_PDEVICE *physDev = get_emf_physdev( dev );
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free( physDev );
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return TRUE;
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}
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static const struct gdi_dc_funcs emfdrv_driver =
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{
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NULL, /* pAbortDoc */
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NULL, /* pAbortPath */
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EMFDRV_AlphaBlend, /* pAlphaBlend */
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NULL, /* pAngleArc */
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EMFDRV_Arc, /* pArc */
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EMFDRV_ArcTo, /* pArcTo */
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NULL, /* pBeginPath */
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NULL, /* pBlendImage */
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EMFDRV_Chord, /* pChord */
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NULL, /* pCloseFigure */
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NULL, /* pCreateCompatibleDC */
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NULL, /* pCreateDC */
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EMFDRV_DeleteDC, /* pDeleteDC */
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NULL, /* pDeleteObject */
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EMFDRV_Ellipse, /* pEllipse */
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NULL, /* pEndDoc */
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NULL, /* pEndPage */
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NULL, /* pEndPath */
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NULL, /* pEnumFonts */
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NULL, /* pExtEscape */
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NULL, /* pExtFloodFill */
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EMFDRV_ExtTextOut, /* pExtTextOut */
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EMFDRV_FillPath, /* pFillPath */
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EMFDRV_FillRgn, /* pFillRgn */
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NULL, /* pFontIsLinked */
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EMFDRV_FrameRgn, /* pFrameRgn */
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NULL, /* pGetBoundsRect */
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NULL, /* pGetCharABCWidths */
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NULL, /* pGetCharABCWidthsI */
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NULL, /* pGetCharWidth */
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NULL, /* pGetCharWidthInfo */
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EMFDRV_GetDeviceCaps, /* pGetDeviceCaps */
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NULL, /* pGetDeviceGammaRamp */
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NULL, /* pGetFontData */
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NULL, /* pGetFontRealizationInfo */
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NULL, /* pGetFontUnicodeRanges */
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NULL, /* pGetGlyphIndices */
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NULL, /* pGetGlyphOutline */
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NULL, /* pGetICMProfile */
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NULL, /* pGetImage */
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NULL, /* pGetKerningPairs */
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NULL, /* pGetNearestColor */
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NULL, /* pGetOutlineTextMetrics */
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NULL, /* pGetPixel */
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NULL, /* pGetSystemPaletteEntries */
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NULL, /* pGetTextCharsetInfo */
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NULL, /* pGetTextExtentExPoint */
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NULL, /* pGetTextExtentExPointI */
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NULL, /* pGetTextFace */
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NULL, /* pGetTextMetrics */
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EMFDRV_GradientFill, /* pGradientFill */
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EMFDRV_InvertRgn, /* pInvertRgn */
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EMFDRV_LineTo, /* pLineTo */
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NULL, /* pMoveTo */
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NULL, /* pPaintRgn */
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EMFDRV_PatBlt, /* pPatBlt */
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EMFDRV_Pie, /* pPie */
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EMFDRV_PolyBezier, /* pPolyBezier */
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EMFDRV_PolyBezierTo, /* pPolyBezierTo */
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EMFDRV_PolyDraw, /* pPolyDraw */
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EMFDRV_PolyPolygon, /* pPolyPolygon */
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EMFDRV_PolyPolyline, /* pPolyPolyline */
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EMFDRV_PolylineTo, /* pPolylineTo */
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NULL, /* pPutImage */
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NULL, /* pRealizeDefaultPalette */
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NULL, /* pRealizePalette */
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EMFDRV_Rectangle, /* pRectangle */
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NULL, /* pResetDC */
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EMFDRV_RoundRect, /* pRoundRect */
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EMFDRV_SelectBitmap, /* pSelectBitmap */
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NULL, /* pSelectBrush */
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EMFDRV_SelectFont, /* pSelectFont */
|
|
NULL, /* pSelectPen */
|
|
NULL, /* pSetBkColor */
|
|
NULL, /* pSetBoundsRect */
|
|
NULL, /* pSetDCBrushColor*/
|
|
NULL, /* pSetDCPenColor*/
|
|
NULL, /* pSetDIBitsToDevice */
|
|
NULL, /* pSetDeviceClipping */
|
|
NULL, /* pSetDeviceGammaRamp */
|
|
EMFDRV_SetPixel, /* pSetPixel */
|
|
NULL, /* pSetTextColor */
|
|
NULL, /* pStartDoc */
|
|
NULL, /* pStartPage */
|
|
NULL, /* pStretchBlt */
|
|
NULL, /* pStretchDIBits */
|
|
EMFDRV_StrokeAndFillPath, /* pStrokeAndFillPath */
|
|
EMFDRV_StrokePath, /* pStrokePath */
|
|
NULL, /* pUnrealizePalette */
|
|
NULL, /* pD3DKMTCheckVidPnExclusiveOwnership */
|
|
NULL, /* pD3DKMTCloseAdapter */
|
|
NULL, /* pD3DKMTOpenAdapterFromLuid */
|
|
NULL, /* pD3DKMTQueryVideoMemoryInfo */
|
|
NULL, /* pD3DKMTSetVidPnSourceOwner */
|
|
GDI_PRIORITY_GRAPHICS_DRV /* priority */
|
|
};
|
|
|
|
|
|
static BOOL devcap_is_valid( int cap )
|
|
{
|
|
if (cap >= 0 && cap <= ASPECTXY) return !(cap & 1);
|
|
if (cap >= PHYSICALWIDTH && cap <= COLORMGMTCAPS) return TRUE;
|
|
switch (cap)
|
|
{
|
|
case LOGPIXELSX:
|
|
case LOGPIXELSY:
|
|
case CAPS1:
|
|
case SIZEPALETTE:
|
|
case NUMRESERVED:
|
|
case COLORRES:
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
/**********************************************************************
|
|
* NtGdiCreateMetafileDC (win32u.@)
|
|
*/
|
|
HDC WINAPI NtGdiCreateMetafileDC( HDC hdc )
|
|
{
|
|
EMFDRV_PDEVICE *physDev;
|
|
HDC ref_dc, ret;
|
|
int cap;
|
|
DC *dc;
|
|
|
|
if (!(dc = alloc_dc_ptr( NTGDI_OBJ_ENHMETADC ))) return 0;
|
|
|
|
physDev = malloc( sizeof(*physDev) );
|
|
if (!physDev)
|
|
{
|
|
free_dc_ptr( dc );
|
|
return 0;
|
|
}
|
|
|
|
push_dc_driver( &dc->physDev, &physDev->dev, &emfdrv_driver );
|
|
|
|
if (hdc) /* if no ref, use current display */
|
|
ref_dc = hdc;
|
|
else
|
|
ref_dc = NtGdiOpenDCW( NULL, NULL, NULL, 0, TRUE, NULL, NULL, NULL );
|
|
|
|
memset( physDev->dev_caps, 0, sizeof(physDev->dev_caps) );
|
|
for (cap = 0; cap < ARRAY_SIZE( physDev->dev_caps ); cap++)
|
|
if (devcap_is_valid( cap ))
|
|
physDev->dev_caps[cap] = NtGdiGetDeviceCaps( ref_dc, cap );
|
|
|
|
if (!hdc) NtGdiDeleteObjectApp( ref_dc );
|
|
|
|
NtGdiSetVirtualResolution( dc->hSelf, 0, 0, 0, 0 );
|
|
|
|
ret = dc->hSelf;
|
|
release_dc_ptr( dc );
|
|
return ret;
|
|
}
|