mirror of
https://github.com/reactos/reactos.git
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fc16259faf
Sync/Port: Metafile code from wine. Patches by Jacek Caban, Daniel Lehman, Zhiyi Zhang. Gabriel Ivancescu, Michael Stefaniuc, Francois Gouget, Nikolay Sivov Dmitry Timoshkov, Andrew EiKum, Piotr Caban and Alexandre Julliard. This commit is dedicated to George Bisoc!
431 lines
12 KiB
C
431 lines
12 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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//#include "ntgdi_private.h"
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#include "wine/config.h"
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winnls.h"
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#include "winerror.h"
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#include "gdi_private.h"
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#ifdef __REACTOS__
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#include "wine/winternl.h"
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#else
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#include "winternl.h"
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#endif
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#include "wine/wingdi16.h"
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#include "wine/debug.h"
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#define M_PI 3.14159265358979323846
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#define M_PI_2 1.570796326794896619
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static void emfdrv_update_bounds( WINEDC *dc, RECTL *rect )
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{
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RECTL *bounds = &dc->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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LPtoDP(dc->hdc, (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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BOOL EMFDRV_LineTo( WINEDC *dc, INT x, INT y )
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{
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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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GetCurrentPositionEx(dc->hdc, &pt);
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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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BOOL EMFDRV_RoundRect( WINEDC *dc, 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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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 (GetGraphicsMode(dc->hdc) == GM_COMPATIBLE)//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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BOOL EMFDRV_ArcChordPie( WINEDC *dc, 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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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 (GetGraphicsMode(dc->hdc) == GM_COMPATIBLE)//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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GetCurrentPositionEx(dc->hdc, &pt);
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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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BOOL EMFDRV_Arc( WINEDC *dc, 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( dc, left, top, right, bottom, xstart, ystart,
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xend, yend, EMR_ARC );
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}
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BOOL EMFDRV_ArcTo( WINEDC *dc, 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( dc, left, top, right, bottom, xstart, ystart,
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xend, yend, EMR_ARCTO );
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}
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BOOL EMFDRV_Pie( WINEDC *dc, 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( dc, left, top, right, bottom, xstart, ystart,
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xend, yend, EMR_PIE );
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}
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BOOL EMFDRV_Chord( WINEDC *dc, 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( dc, left, top, right, bottom, xstart, ystart,
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xend, yend, EMR_CHORD );
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}
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BOOL EMFDRV_Ellipse( WINEDC *dc, INT left, INT top, INT right, INT bottom )
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{
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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 (GetGraphicsMode(dc->hdc) == GM_COMPATIBLE)//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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BOOL EMFDRV_Rectangle( WINEDC *dc, INT left, INT top, INT right, INT bottom )
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{
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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 (GetGraphicsMode(dc->hdc) == GM_COMPATIBLE)//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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COLORREF EMFDRV_SetPixel( WINEDC *dc, INT x, INT y, COLORREF color )
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{
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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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BOOL EMFDRV_PolylineTo( WINEDC *dc, 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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BOOL EMFDRV_PolyBezier( WINEDC *dc, 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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BOOL EMFDRV_PolyBezierTo( WINEDC *dc, 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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BOOL EMFDRV_PolyPolyline( WINEDC *dc, const POINT *pt,
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const DWORD *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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BOOL EMFDRV_PolyPolygon( WINEDC *dc, 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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BOOL EMFDRV_PolyDraw( WINEDC *dc, 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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BOOL EMFDRV_FillRgn( WINEDC *dc, 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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BOOL EMFDRV_FrameRgn( WINEDC *dc, 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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BOOL EMFDRV_InvertRgn( WINEDC *dc, 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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BOOL EMFDRV_ExtTextOut( WINEDC *dc, 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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BOOL EMFDRV_GradientFill( WINEDC *dc, 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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BOOL EMFDRV_FillPath( WINEDC *dc )
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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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BOOL EMFDRV_StrokeAndFillPath( WINEDC *dc )
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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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BOOL EMFDRV_StrokePath( WINEDC *dc )
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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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BOOL EMFDRV_AlphaBlend( WINEDC *dc_dst, INT x_dst, INT y_dst, INT width_dst, INT height_dst,
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HDC dc_src, INT x_src, INT y_src, INT width_src, INT height_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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BOOL EMFDRV_PatBlt( WINEDC *dc, INT left, INT top, INT width, INT height, 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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INT EMFDRV_StretchDIBits( WINEDC *dc, INT x_dst, INT y_dst, INT width_dst,
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INT height_dst, INT x_src, INT y_src, INT width_src,
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INT height_src, const void *bits, BITMAPINFO *info,
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UINT wUsage, DWORD dwRop )
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{
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/* FIXME: Update bound rect */
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return height_src;
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}
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INT EMFDRV_SetDIBitsToDevice( WINEDC *dc, INT x_dst, INT y_dst, DWORD width,
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DWORD height, INT x_src, INT y_src, UINT startscan,
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UINT lines, const void *bits, BITMAPINFO *info,
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UINT usage )
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{
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/* FIXME: Update bound rect */
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return lines;
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}
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HBITMAP EMFDRV_SelectBitmap( WINEDC *dc, HBITMAP hbitmap )
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{
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return 0;
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}
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