1215 lines
37 KiB
C
1215 lines
37 KiB
C
/*
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* DIB driver graphics operations.
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*
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* Copyright 2011 Huw Davies
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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 <assert.h>
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#include "gdi_private.h"
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#include "dibdrv.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(dib);
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static RECT get_device_rect( HDC hdc, int left, int top, int right, int bottom, BOOL rtl_correction )
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{
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RECT rect;
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rect.left = left;
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rect.top = top;
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rect.right = right;
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rect.bottom = bottom;
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if (rtl_correction && GetLayout( hdc ) & LAYOUT_RTL)
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{
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/* shift the rectangle so that the right border is included after mirroring */
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/* it would be more correct to do this after LPtoDP but that's not what Windows does */
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rect.left--;
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rect.right--;
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}
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LPtoDP( hdc, (POINT *)&rect, 2 );
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if (rect.left > rect.right)
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{
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int tmp = rect.left;
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rect.left = rect.right;
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rect.right = tmp;
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}
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if (rect.top > rect.bottom)
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{
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int tmp = rect.top;
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rect.top = rect.bottom;
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rect.bottom = tmp;
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}
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return rect;
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}
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static BOOL get_pen_device_rect( dibdrv_physdev *dev, RECT *rect, int left, int top, int right, int bottom )
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{
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*rect = get_device_rect( dev->dev.hdc, left, top, right, bottom, TRUE );
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if (rect->left == rect->right || rect->top == rect->bottom) return FALSE;
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if (dev->pen_style == PS_INSIDEFRAME)
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{
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rect->left += dev->pen_width / 2;
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rect->top += dev->pen_width / 2;
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rect->right -= (dev->pen_width - 1) / 2;
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rect->bottom -= (dev->pen_width - 1) / 2;
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}
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return TRUE;
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}
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/* compute the points for the first quadrant of an ellipse, counterclockwise from the x axis */
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/* 'data' must contain enough space, (width+height)/2 is a reasonable upper bound */
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static int ellipse_first_quadrant( int width, int height, POINT *data )
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{
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const int a = width - 1;
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const int b = height - 1;
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const INT64 asq = (INT64)8 * a * a;
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const INT64 bsq = (INT64)8 * b * b;
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INT64 dx = (INT64)4 * b * b * (1 - a);
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INT64 dy = (INT64)4 * a * a * (1 + (b % 2));
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INT64 err = dx + dy + a * a * (b % 2);
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int pos = 0;
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POINT pt;
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pt.x = a;
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pt.y = height / 2;
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/* based on an algorithm by Alois Zingl */
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while (pt.x >= width / 2)
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{
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INT64 e2 = 2 * err;
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data[pos++] = pt;
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if (e2 >= dx)
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{
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pt.x--;
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err += dx += bsq;
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}
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if (e2 <= dy)
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{
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pt.y++;
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err += dy += asq;
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}
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}
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return pos;
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}
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static int find_intersection( const POINT *points, int x, int y, int count )
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{
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int i;
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if (y >= 0)
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{
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if (x >= 0) /* first quadrant */
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{
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for (i = 0; i < count; i++) if (points[i].x * y <= points[i].y * x) break;
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return i;
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}
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/* second quadrant */
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for (i = 0; i < count; i++) if (points[i].x * y < points[i].y * -x) break;
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return 2 * count - i;
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}
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if (x >= 0) /* fourth quadrant */
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{
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for (i = 0; i < count; i++) if (points[i].x * -y <= points[i].y * x) break;
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return 4 * count - i;
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}
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/* third quadrant */
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for (i = 0; i < count; i++) if (points[i].x * -y < points[i].y * -x) break;
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return 2 * count + i;
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}
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static int get_arc_points( PHYSDEV dev, const RECT *rect, POINT start, POINT end, POINT *points )
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{
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int i, pos, count, start_pos, end_pos;
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int width = rect->right - rect->left;
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int height = rect->bottom - rect->top;
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count = ellipse_first_quadrant( width, height, points );
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for (i = 0; i < count; i++)
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{
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points[i].x -= width / 2;
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points[i].y -= height / 2;
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}
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if (GetArcDirection( dev->hdc ) != AD_CLOCKWISE)
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{
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start.y = -start.y;
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end.y = -end.y;
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}
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start_pos = find_intersection( points, start.x, start.y, count );
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end_pos = find_intersection( points, end.x, end.y, count );
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if (end_pos <= start_pos) end_pos += 4 * count;
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pos = count;
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if (GetArcDirection( dev->hdc ) == AD_CLOCKWISE)
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{
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for (i = start_pos; i < end_pos; i++, pos++)
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{
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switch ((i / count) % 4)
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{
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case 0:
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points[pos].x = rect->left + width/2 + points[i % count].x;
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points[pos].y = rect->top + height/2 + points[i % count].y;
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break;
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case 1:
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points[pos].x = rect->left + width/2 - points[count - 1 - i % count].x;
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points[pos].y = rect->top + height/2 + points[count - 1 - i % count].y;
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break;
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case 2:
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points[pos].x = rect->left + width/2 - points[i % count].x;
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points[pos].y = rect->top + height/2 - points[i % count].y;
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break;
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case 3:
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points[pos].x = rect->left + width/2 + points[count - 1 - i % count].x;
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points[pos].y = rect->top + height/2 - points[count - 1 - i % count].y;
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break;
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}
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}
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}
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else
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{
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for (i = start_pos; i < end_pos; i++, pos++)
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{
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switch ((i / count) % 4)
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{
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case 0:
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points[pos].x = rect->left + width/2 + points[i % count].x;
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points[pos].y = rect->top + height/2 - points[i % count].y;
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break;
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case 1:
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points[pos].x = rect->left + width/2 - points[count - 1 - i % count].x;
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points[pos].y = rect->top + height/2 - points[count - 1 - i % count].y;
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break;
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case 2:
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points[pos].x = rect->left + width/2 - points[i % count].x;
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points[pos].y = rect->top + height/2 + points[i % count].y;
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break;
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case 3:
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points[pos].x = rect->left + width/2 + points[count - 1 - i % count].x;
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points[pos].y = rect->top + height/2 + points[count - 1 - i % count].y;
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break;
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}
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}
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}
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memmove( points, points + count, (pos - count) * sizeof(POINT) );
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return pos - count;
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}
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/* backend for arc functions; extra_lines is -1 for ArcTo, 0 for Arc, 1 for Chord, 2 for Pie */
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static BOOL draw_arc( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
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INT start_x, INT start_y, INT end_x, INT end_y, INT extra_lines )
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{
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dibdrv_physdev *pdev = get_dibdrv_pdev( dev );
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RECT rect;
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POINT pt[2], *points;
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int width, height, count;
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BOOL ret = TRUE;
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HRGN outline = 0, interior = 0;
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if (!get_pen_device_rect( pdev, &rect, left, top, right, bottom )) return TRUE;
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width = rect.right - rect.left;
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height = rect.bottom - rect.top;
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pt[0].x = start_x;
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pt[0].y = start_y;
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pt[1].x = end_x;
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pt[1].y = end_y;
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LPtoDP( dev->hdc, pt, 2 );
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/* make them relative to the ellipse center */
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pt[0].x -= left + width / 2;
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pt[0].y -= top + height / 2;
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pt[1].x -= left + width / 2;
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pt[1].y -= top + height / 2;
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points = HeapAlloc( GetProcessHeap(), 0, (width + height) * 3 * sizeof(*points) );
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if (!points) return FALSE;
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if (extra_lines == -1)
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{
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GetCurrentPositionEx( dev->hdc, points );
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LPtoDP( dev->hdc, points, 1 );
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count = 1 + get_arc_points( dev, &rect, pt[0], pt[1], points + 1 );
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}
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else count = get_arc_points( dev, &rect, pt[0], pt[1], points );
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if (extra_lines == 2)
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{
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points[count].x = rect.left + width / 2;
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points[count].y = rect.top + height / 2;
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count++;
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}
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if (count < 2)
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{
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HeapFree( GetProcessHeap(), 0, points );
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return TRUE;
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}
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if (pdev->pen_uses_region && !(outline = CreateRectRgn( 0, 0, 0, 0 )))
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{
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HeapFree( GetProcessHeap(), 0, points );
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return FALSE;
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}
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if (pdev->brush.style != BS_NULL && extra_lines > 0 &&
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!(interior = CreatePolygonRgn( points, count, WINDING )))
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{
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HeapFree( GetProcessHeap(), 0, points );
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if (outline) DeleteObject( outline );
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return FALSE;
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}
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/* if not using a region, paint the interior first so the outline can overlap it */
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if (interior && !outline)
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{
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ret = brush_region( pdev, interior );
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DeleteObject( interior );
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interior = 0;
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}
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reset_dash_origin( pdev );
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pdev->pen_lines( pdev, count, points, extra_lines > 0, outline );
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if (interior)
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{
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CombineRgn( interior, interior, outline, RGN_DIFF );
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ret = brush_region( pdev, interior );
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DeleteObject( interior );
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}
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if (outline)
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{
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if (ret) ret = pen_region( pdev, outline );
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DeleteObject( outline );
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}
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HeapFree( GetProcessHeap(), 0, points );
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return ret;
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}
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/* Intensities of the 17 glyph levels when drawn with text component of 0xff on a
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black bkgnd. [A log-log plot of these data gives: y = 77.05 * x^0.4315]. */
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static const BYTE ramp[17] =
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{
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0, 0x4d, 0x68, 0x7c,
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0x8c, 0x9a, 0xa7, 0xb2,
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0xbd, 0xc7, 0xd0, 0xd9,
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0xe1, 0xe9, 0xf0, 0xf8,
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0xff
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};
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/* For a give text-color component and a glyph level, calculate the
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range of dst intensities, the min/max corresponding to 0/0xff bkgnd
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components respectively.
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The minimum is a linear interpolation between 0 and the value in
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the ramp table.
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The maximum is a linear interpolation between the value from the
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ramp table read in reverse and 0xff.
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To find the resulting pixel intensity, we note that if the text and
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bkgnd intensities are the same then the result must be that
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intensity. Otherwise we linearly interpolate between either the
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min or the max value and this intermediate value depending on which
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side of the inequality we lie.
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*/
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static inline void get_range( BYTE aa, DWORD text_comp, BYTE *min_comp, BYTE *max_comp )
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{
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*min_comp = (ramp[aa] * text_comp) / 0xff;
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*max_comp = ramp[16 - aa] + ((0xff - ramp[16 - aa]) * text_comp) / 0xff;
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}
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static inline void get_aa_ranges( COLORREF col, struct intensity_range intensities[17] )
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{
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int i;
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for (i = 0; i < 17; i++)
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{
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get_range( i, GetRValue(col), &intensities[i].r_min, &intensities[i].r_max );
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get_range( i, GetGValue(col), &intensities[i].g_min, &intensities[i].g_max );
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get_range( i, GetBValue(col), &intensities[i].b_min, &intensities[i].b_max );
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}
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}
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/**********************************************************************
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* get_text_bkgnd_masks
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*
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* See the comment above get_pen_bkgnd_masks
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*/
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static inline void get_text_bkgnd_masks( dibdrv_physdev *pdev, rop_mask *mask )
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{
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COLORREF bg = GetBkColor( pdev->dev.hdc );
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mask->and = 0;
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if (pdev->dib.bit_count != 1)
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mask->xor = get_pixel_color( pdev, bg, FALSE );
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else
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{
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COLORREF fg = GetTextColor( pdev->dev.hdc );
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mask->xor = get_pixel_color( pdev, fg, TRUE );
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if (fg != bg) mask->xor = ~mask->xor;
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}
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}
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static void draw_glyph( dibdrv_physdev *pdev, const POINT *origin, const GLYPHMETRICS *metrics,
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const struct gdi_image_bits *image, DWORD text_color,
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const struct intensity_range *ranges, const struct clipped_rects *clipped_rects )
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{
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int i;
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RECT rect, clipped_rect;
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POINT src_origin;
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dib_info glyph_dib;
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glyph_dib.bit_count = 8;
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glyph_dib.width = metrics->gmBlackBoxX;
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glyph_dib.height = metrics->gmBlackBoxY;
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glyph_dib.stride = get_dib_stride( metrics->gmBlackBoxX, 8 );
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glyph_dib.bits = *image;
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rect.left = origin->x + metrics->gmptGlyphOrigin.x;
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rect.top = origin->y - metrics->gmptGlyphOrigin.y;
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rect.right = rect.left + metrics->gmBlackBoxX;
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rect.bottom = rect.top + metrics->gmBlackBoxY;
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for (i = 0; i < clipped_rects->count; i++)
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{
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if (intersect_rect( &clipped_rect, &rect, clipped_rects->rects + i ))
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{
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src_origin.x = clipped_rect.left - rect.left;
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src_origin.y = clipped_rect.top - rect.top;
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pdev->dib.funcs->draw_glyph( &pdev->dib, &clipped_rect, &glyph_dib, &src_origin,
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text_color, ranges );
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}
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}
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}
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static const BYTE masks[8] = {0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01};
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static const int padding[4] = {0, 3, 2, 1};
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/***********************************************************************
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* get_glyph_bitmap
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*
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* Retrieve a 17-level bitmap for the appropiate glyph.
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*
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* For non-antialiased bitmaps convert them to the 17-level format
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* using only values 0 or 16.
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*/
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static DWORD get_glyph_bitmap( HDC hdc, UINT index, UINT aa_flags, GLYPHMETRICS *metrics,
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struct gdi_image_bits *image )
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{
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UINT ggo_flags = aa_flags | GGO_GLYPH_INDEX;
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static const MAT2 identity = { {0,1}, {0,0}, {0,0}, {0,1} };
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UINT indices[3] = {0, 0, 0x20};
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int i, x, y;
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DWORD ret, size;
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BYTE *buf, *dst, *src;
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int pad, stride;
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image->ptr = NULL;
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image->is_copy = FALSE;
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image->free = free_heap_bits;
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image->param = NULL;
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indices[0] = index;
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for (i = 0; i < sizeof(indices) / sizeof(indices[0]); i++)
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{
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index = indices[i];
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ret = GetGlyphOutlineW( hdc, index, ggo_flags, metrics, 0, NULL, &identity );
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if (ret != GDI_ERROR) break;
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}
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if (ret == GDI_ERROR) return ERROR_NOT_FOUND;
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if (!ret) return ERROR_SUCCESS; /* empty glyph */
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/* We'll convert non-antialiased 1-bpp bitmaps to 8-bpp, so these sizes relate to 8-bpp */
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pad = padding[ metrics->gmBlackBoxX % 4 ];
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stride = get_dib_stride( metrics->gmBlackBoxX, 8 );
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size = metrics->gmBlackBoxY * stride;
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buf = HeapAlloc( GetProcessHeap(), 0, size );
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if (!buf) return ERROR_OUTOFMEMORY;
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ret = GetGlyphOutlineW( hdc, index, ggo_flags, metrics, size, buf, &identity );
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if (ret == GDI_ERROR)
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{
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HeapFree( GetProcessHeap(), 0, buf );
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return ERROR_NOT_FOUND;
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}
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if (aa_flags == GGO_BITMAP)
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{
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for (y = metrics->gmBlackBoxY - 1; y >= 0; y--)
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{
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src = buf + y * get_dib_stride( metrics->gmBlackBoxX, 1 );
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dst = buf + y * stride;
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if (pad) memset( dst + metrics->gmBlackBoxX, 0, pad );
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for (x = metrics->gmBlackBoxX - 1; x >= 0; x--)
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dst[x] = (src[x / 8] & masks[x % 8]) ? 0x10 : 0;
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}
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}
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else if (pad)
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{
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for (y = 0, dst = buf; y < metrics->gmBlackBoxY; y++, dst += stride)
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memset( dst + metrics->gmBlackBoxX, 0, pad );
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}
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image->ptr = buf;
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return ERROR_SUCCESS;
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}
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BOOL render_aa_text_bitmapinfo( HDC hdc, BITMAPINFO *info, struct gdi_image_bits *bits,
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struct bitblt_coords *src, INT x, INT y, UINT flags,
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UINT aa_flags, LPCWSTR str, UINT count, const INT *dx )
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{
|
|
dib_info dib;
|
|
UINT i;
|
|
DWORD err;
|
|
BOOL got_pixel;
|
|
COLORREF fg, bg;
|
|
DWORD fg_pixel, bg_pixel;
|
|
struct intensity_range glyph_intensities[17];
|
|
|
|
assert( info->bmiHeader.biBitCount > 8 ); /* mono and indexed formats don't support anti-aliasing */
|
|
|
|
init_dib_info_from_bitmapinfo( &dib, info, bits->ptr, 0 );
|
|
|
|
fg = make_rgb_colorref( hdc, &dib, GetTextColor( hdc ), &got_pixel, &fg_pixel);
|
|
if (!got_pixel) fg_pixel = dib.funcs->colorref_to_pixel( &dib, fg );
|
|
|
|
get_aa_ranges( fg, glyph_intensities );
|
|
|
|
if (flags & ETO_OPAQUE)
|
|
{
|
|
rop_mask bkgnd_color;
|
|
|
|
bg = make_rgb_colorref( hdc, &dib, GetBkColor( hdc ), &got_pixel, &bg_pixel);
|
|
if (!got_pixel) bg_pixel = dib.funcs->colorref_to_pixel( &dib, bg );
|
|
|
|
bkgnd_color.and = 0;
|
|
bkgnd_color.xor = bg_pixel;
|
|
dib.funcs->solid_rects( &dib, 1, &src->visrect, bkgnd_color.and, bkgnd_color.xor );
|
|
}
|
|
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
GLYPHMETRICS metrics;
|
|
struct gdi_image_bits image;
|
|
|
|
err = get_glyph_bitmap( hdc, (UINT)str[i], aa_flags, &metrics, &image );
|
|
if (err) continue;
|
|
|
|
if (image.ptr)
|
|
{
|
|
RECT rect, clipped_rect;
|
|
POINT src_origin;
|
|
dib_info glyph_dib;
|
|
|
|
glyph_dib.bit_count = 8;
|
|
glyph_dib.width = metrics.gmBlackBoxX;
|
|
glyph_dib.height = metrics.gmBlackBoxY;
|
|
glyph_dib.stride = get_dib_stride( metrics.gmBlackBoxX, 8 );
|
|
glyph_dib.bits = image;
|
|
|
|
rect.left = x + metrics.gmptGlyphOrigin.x;
|
|
rect.top = y - metrics.gmptGlyphOrigin.y;
|
|
rect.right = rect.left + metrics.gmBlackBoxX;
|
|
rect.bottom = rect.top + metrics.gmBlackBoxY;
|
|
|
|
if (intersect_rect( &clipped_rect, &rect, &src->visrect ))
|
|
{
|
|
src_origin.x = clipped_rect.left - rect.left;
|
|
src_origin.y = clipped_rect.top - rect.top;
|
|
|
|
dib.funcs->draw_glyph( &dib, &clipped_rect, &glyph_dib, &src_origin,
|
|
fg_pixel, glyph_intensities );
|
|
}
|
|
}
|
|
if (image.free) image.free( &image );
|
|
|
|
if (dx)
|
|
{
|
|
if (flags & ETO_PDY)
|
|
{
|
|
x += dx[ i * 2 ];
|
|
y += dx[ i * 2 + 1];
|
|
}
|
|
else
|
|
x += dx[ i ];
|
|
}
|
|
else
|
|
{
|
|
x += metrics.gmCellIncX;
|
|
y += metrics.gmCellIncY;
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* dibdrv_ExtTextOut
|
|
*/
|
|
BOOL dibdrv_ExtTextOut( PHYSDEV dev, INT x, INT y, UINT flags,
|
|
const RECT *rect, LPCWSTR str, UINT count, const INT *dx )
|
|
{
|
|
dibdrv_physdev *pdev = get_dibdrv_pdev(dev);
|
|
struct clipped_rects clipped_rects;
|
|
UINT aa_flags, i;
|
|
POINT origin;
|
|
DWORD text_color, err;
|
|
struct intensity_range ranges[17];
|
|
|
|
init_clipped_rects( &clipped_rects );
|
|
|
|
if (flags & ETO_OPAQUE)
|
|
{
|
|
rop_mask bkgnd_color;
|
|
get_text_bkgnd_masks( pdev, &bkgnd_color );
|
|
get_clipped_rects( &pdev->dib, rect, pdev->clip, &clipped_rects );
|
|
pdev->dib.funcs->solid_rects( &pdev->dib, clipped_rects.count, clipped_rects.rects,
|
|
bkgnd_color.and, bkgnd_color.xor );
|
|
}
|
|
|
|
if (count == 0) goto done;
|
|
|
|
if (flags & ETO_CLIPPED)
|
|
{
|
|
if (!(flags & ETO_OPAQUE)) /* otherwise we have done it already */
|
|
get_clipped_rects( &pdev->dib, rect, pdev->clip, &clipped_rects );
|
|
}
|
|
else
|
|
{
|
|
free_clipped_rects( &clipped_rects );
|
|
get_clipped_rects( &pdev->dib, NULL, pdev->clip, &clipped_rects );
|
|
}
|
|
if (!clipped_rects.count) return TRUE;
|
|
|
|
text_color = get_pixel_color( pdev, GetTextColor( pdev->dev.hdc ), TRUE );
|
|
get_aa_ranges( pdev->dib.funcs->pixel_to_colorref( &pdev->dib, text_color ), ranges );
|
|
|
|
aa_flags = get_font_aa_flags( dev->hdc );
|
|
origin.x = x;
|
|
origin.y = y;
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
GLYPHMETRICS metrics;
|
|
struct gdi_image_bits image;
|
|
|
|
err = get_glyph_bitmap( dev->hdc, (UINT)str[i], aa_flags, &metrics, &image );
|
|
if (err) continue;
|
|
|
|
if (image.ptr) draw_glyph( pdev, &origin, &metrics, &image, text_color, ranges, &clipped_rects );
|
|
if (image.free) image.free( &image );
|
|
|
|
if (dx)
|
|
{
|
|
if (flags & ETO_PDY)
|
|
{
|
|
origin.x += dx[ i * 2 ];
|
|
origin.y += dx[ i * 2 + 1];
|
|
}
|
|
else
|
|
origin.x += dx[ i ];
|
|
}
|
|
else
|
|
{
|
|
origin.x += metrics.gmCellIncX;
|
|
origin.y += metrics.gmCellIncY;
|
|
}
|
|
}
|
|
|
|
done:
|
|
free_clipped_rects( &clipped_rects );
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* dibdrv_Arc
|
|
*/
|
|
BOOL dibdrv_Arc( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
|
|
INT start_x, INT start_y, INT end_x, INT end_y )
|
|
{
|
|
return draw_arc( dev, left, top, right, bottom, start_x, start_y, end_x, end_y, 0 );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* dibdrv_ArcTo
|
|
*/
|
|
BOOL dibdrv_ArcTo( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
|
|
INT start_x, INT start_y, INT end_x, INT end_y )
|
|
{
|
|
return draw_arc( dev, left, top, right, bottom, start_x, start_y, end_x, end_y, -1 );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* dibdrv_Chord
|
|
*/
|
|
BOOL dibdrv_Chord( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
|
|
INT start_x, INT start_y, INT end_x, INT end_y )
|
|
{
|
|
return draw_arc( dev, left, top, right, bottom, start_x, start_y, end_x, end_y, 1 );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* dibdrv_Ellipse
|
|
*/
|
|
BOOL dibdrv_Ellipse( PHYSDEV dev, INT left, INT top, INT right, INT bottom )
|
|
{
|
|
return dibdrv_RoundRect( dev, left, top, right, bottom, right - left, bottom - top );
|
|
}
|
|
|
|
static inline BOOL is_interior( dib_info *dib, HRGN clip, int x, int y, DWORD pixel, UINT type)
|
|
{
|
|
/* the clip rgn stops the flooding */
|
|
if (clip && !PtInRegion( clip, x, y )) return FALSE;
|
|
|
|
if (type == FLOODFILLBORDER)
|
|
return dib->funcs->get_pixel( dib, x, y ) != pixel;
|
|
else
|
|
return dib->funcs->get_pixel( dib, x, y ) == pixel;
|
|
}
|
|
|
|
static void fill_row( dib_info *dib, HRGN clip, RECT *row, DWORD pixel, UINT type, HRGN rgn );
|
|
|
|
static inline void do_next_row( dib_info *dib, HRGN clip, const RECT *row, int offset, DWORD pixel, UINT type, HRGN rgn )
|
|
{
|
|
RECT next;
|
|
|
|
next.top = row->top + offset;
|
|
next.bottom = next.top + 1;
|
|
next.left = next.right = row->left;
|
|
while (next.right < row->right)
|
|
{
|
|
if (is_interior( dib, clip, next.right, next.top, pixel, type)) next.right++;
|
|
else
|
|
{
|
|
if (next.left != next.right && !PtInRegion( rgn, next.left, next.top ))
|
|
fill_row( dib, clip, &next, pixel, type, rgn );
|
|
next.left = ++next.right;
|
|
}
|
|
}
|
|
if (next.left != next.right && !PtInRegion( rgn, next.left, next.top ))
|
|
fill_row( dib, clip, &next, pixel, type, rgn );
|
|
}
|
|
|
|
static void fill_row( dib_info *dib, HRGN clip, RECT *row, DWORD pixel, UINT type, HRGN rgn )
|
|
{
|
|
while (row->left > 0 && is_interior( dib, clip, row->left - 1, row->top, pixel, type)) row->left--;
|
|
while (row->right < dib->width && is_interior( dib, clip, row->right, row->top, pixel, type)) row->right++;
|
|
add_rect_to_region( rgn, row );
|
|
|
|
if (row->top > 0) do_next_row( dib, clip, row, -1, pixel, type, rgn );
|
|
if (row->top < dib->height - 1) do_next_row( dib, clip, row, 1, pixel, type, rgn );
|
|
|
|
return;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* dibdrv_ExtFloodFill
|
|
*/
|
|
BOOL dibdrv_ExtFloodFill( PHYSDEV dev, INT x, INT y, COLORREF color, UINT type )
|
|
{
|
|
dibdrv_physdev *pdev = get_dibdrv_pdev( dev );
|
|
DWORD pixel = get_pixel_color( pdev, color, FALSE );
|
|
RECT row;
|
|
HRGN rgn;
|
|
|
|
TRACE( "(%p, %d, %d, %08x, %d)\n", pdev, x, y, color, type );
|
|
|
|
if (!is_interior( &pdev->dib, pdev->clip, x, y, pixel, type )) return FALSE;
|
|
|
|
rgn = CreateRectRgn( 0, 0, 0, 0 );
|
|
row.left = x;
|
|
row.right = x + 1;
|
|
row.top = y;
|
|
row.bottom = y + 1;
|
|
|
|
fill_row( &pdev->dib, pdev->clip, &row, pixel, type, rgn );
|
|
|
|
brush_region( pdev, rgn );
|
|
|
|
DeleteObject( rgn );
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* dibdrv_GetNearestColor
|
|
*/
|
|
COLORREF dibdrv_GetNearestColor( PHYSDEV dev, COLORREF color )
|
|
{
|
|
dibdrv_physdev *pdev = get_dibdrv_pdev( dev );
|
|
DWORD pixel;
|
|
|
|
TRACE( "(%p, %08x)\n", dev, color );
|
|
|
|
pixel = get_pixel_color( pdev, color, FALSE );
|
|
return pdev->dib.funcs->pixel_to_colorref( &pdev->dib, pixel );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* dibdrv_GetPixel
|
|
*/
|
|
COLORREF dibdrv_GetPixel( PHYSDEV dev, INT x, INT y )
|
|
{
|
|
dibdrv_physdev *pdev = get_dibdrv_pdev( dev );
|
|
POINT pt;
|
|
DWORD pixel;
|
|
|
|
TRACE( "(%p, %d, %d)\n", dev, x, y );
|
|
|
|
pt.x = x;
|
|
pt.y = y;
|
|
LPtoDP( dev->hdc, &pt, 1 );
|
|
|
|
if (pt.x < 0 || pt.x >= pdev->dib.width ||
|
|
pt.y < 0 || pt.y >= pdev->dib.height)
|
|
return CLR_INVALID;
|
|
|
|
pixel = pdev->dib.funcs->get_pixel( &pdev->dib, pt.x, pt.y );
|
|
return pdev->dib.funcs->pixel_to_colorref( &pdev->dib, pixel );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* dibdrv_LineTo
|
|
*/
|
|
BOOL dibdrv_LineTo( PHYSDEV dev, INT x, INT y )
|
|
{
|
|
dibdrv_physdev *pdev = get_dibdrv_pdev(dev);
|
|
POINT pts[2];
|
|
HRGN region = 0;
|
|
BOOL ret;
|
|
|
|
GetCurrentPositionEx(dev->hdc, pts);
|
|
pts[1].x = x;
|
|
pts[1].y = y;
|
|
|
|
LPtoDP(dev->hdc, pts, 2);
|
|
|
|
if (pdev->pen_uses_region && !(region = CreateRectRgn( 0, 0, 0, 0 ))) return FALSE;
|
|
|
|
reset_dash_origin(pdev);
|
|
|
|
ret = pdev->pen_lines(pdev, 2, pts, FALSE, region);
|
|
|
|
if (region)
|
|
{
|
|
if (pdev->clip) CombineRgn( region, region, pdev->clip, RGN_AND );
|
|
ret = pen_region( pdev, region );
|
|
DeleteObject( region );
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* get_rop2_from_rop
|
|
*
|
|
* Returns the binary rop that is equivalent to the provided ternary rop
|
|
* if the src bits are ignored.
|
|
*/
|
|
static inline INT get_rop2_from_rop(INT rop)
|
|
{
|
|
return (((rop >> 18) & 0x0c) | ((rop >> 16) & 0x03)) + 1;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* dibdrv_PatBlt
|
|
*/
|
|
BOOL dibdrv_PatBlt( PHYSDEV dev, struct bitblt_coords *dst, DWORD rop )
|
|
{
|
|
dibdrv_physdev *pdev = get_dibdrv_pdev(dev);
|
|
|
|
TRACE("(%p, %d, %d, %d, %d, %06x)\n", dev, dst->x, dst->y, dst->width, dst->height, rop);
|
|
|
|
return brush_rect( pdev, &pdev->brush, &dst->visrect, pdev->clip, get_rop2_from_rop(rop) );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* dibdrv_PaintRgn
|
|
*/
|
|
BOOL dibdrv_PaintRgn( PHYSDEV dev, HRGN rgn )
|
|
{
|
|
dibdrv_physdev *pdev = get_dibdrv_pdev(dev);
|
|
const WINEREGION *region;
|
|
int i;
|
|
RECT rect;
|
|
|
|
TRACE("%p, %p\n", dev, rgn);
|
|
|
|
region = get_wine_region( rgn );
|
|
if(!region) return FALSE;
|
|
|
|
for(i = 0; i < region->numRects; i++)
|
|
{
|
|
rect = get_device_rect( dev->hdc, region->rects[i].left, region->rects[i].top,
|
|
region->rects[i].right, region->rects[i].bottom, FALSE );
|
|
brush_rect( pdev, &pdev->brush, &rect, pdev->clip, GetROP2( dev->hdc ) );
|
|
}
|
|
|
|
release_wine_region( rgn );
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* dibdrv_PolyPolygon
|
|
*/
|
|
BOOL dibdrv_PolyPolygon( PHYSDEV dev, const POINT *pt, const INT *counts, DWORD polygons )
|
|
{
|
|
dibdrv_physdev *pdev = get_dibdrv_pdev(dev);
|
|
DWORD total, i, pos;
|
|
BOOL ret = TRUE;
|
|
POINT *points;
|
|
HRGN outline = 0, interior = 0;
|
|
|
|
for (i = total = 0; i < polygons; i++)
|
|
{
|
|
if (counts[i] < 2) return FALSE;
|
|
total += counts[i];
|
|
}
|
|
|
|
points = HeapAlloc( GetProcessHeap(), 0, total * sizeof(*pt) );
|
|
if (!points) return FALSE;
|
|
memcpy( points, pt, total * sizeof(*pt) );
|
|
LPtoDP( dev->hdc, points, total );
|
|
|
|
if (pdev->brush.style != BS_NULL &&
|
|
!(interior = CreatePolyPolygonRgn( points, counts, polygons, GetPolyFillMode( dev->hdc ))))
|
|
{
|
|
HeapFree( GetProcessHeap(), 0, points );
|
|
return FALSE;
|
|
}
|
|
|
|
if (pdev->pen_uses_region) outline = CreateRectRgn( 0, 0, 0, 0 );
|
|
|
|
/* if not using a region, paint the interior first so the outline can overlap it */
|
|
if (interior && !outline)
|
|
{
|
|
ret = brush_region( pdev, interior );
|
|
DeleteObject( interior );
|
|
interior = 0;
|
|
}
|
|
|
|
for (i = pos = 0; i < polygons; i++)
|
|
{
|
|
reset_dash_origin( pdev );
|
|
pdev->pen_lines( pdev, counts[i], points + pos, TRUE, outline );
|
|
pos += counts[i];
|
|
}
|
|
|
|
if (interior)
|
|
{
|
|
CombineRgn( interior, interior, outline, RGN_DIFF );
|
|
ret = brush_region( pdev, interior );
|
|
DeleteObject( interior );
|
|
}
|
|
if (outline)
|
|
{
|
|
if (ret) ret = pen_region( pdev, outline );
|
|
DeleteObject( outline );
|
|
}
|
|
HeapFree( GetProcessHeap(), 0, points );
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* dibdrv_PolyPolyline
|
|
*/
|
|
BOOL dibdrv_PolyPolyline( PHYSDEV dev, const POINT* pt, const DWORD* counts, DWORD polylines )
|
|
{
|
|
dibdrv_physdev *pdev = get_dibdrv_pdev(dev);
|
|
DWORD max_points = 0, i;
|
|
POINT *points;
|
|
BOOL ret = TRUE;
|
|
HRGN outline = 0;
|
|
|
|
for (i = 0; i < polylines; i++)
|
|
{
|
|
if (counts[i] < 2) return FALSE;
|
|
max_points = max( counts[i], max_points );
|
|
}
|
|
|
|
points = HeapAlloc( GetProcessHeap(), 0, max_points * sizeof(*pt) );
|
|
if (!points) return FALSE;
|
|
|
|
if (pdev->pen_uses_region && !(outline = CreateRectRgn( 0, 0, 0, 0 )))
|
|
{
|
|
HeapFree( GetProcessHeap(), 0, points );
|
|
return FALSE;
|
|
}
|
|
|
|
for (i = 0; i < polylines; i++)
|
|
{
|
|
memcpy( points, pt, counts[i] * sizeof(*pt) );
|
|
pt += counts[i];
|
|
LPtoDP( dev->hdc, points, counts[i] );
|
|
|
|
reset_dash_origin( pdev );
|
|
pdev->pen_lines( pdev, counts[i], points, FALSE, outline );
|
|
}
|
|
|
|
if (outline)
|
|
{
|
|
if (pdev->clip) CombineRgn( outline, outline, pdev->clip, RGN_AND );
|
|
ret = pen_region( pdev, outline );
|
|
DeleteObject( outline );
|
|
}
|
|
|
|
HeapFree( GetProcessHeap(), 0, points );
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* dibdrv_Polygon
|
|
*/
|
|
BOOL dibdrv_Polygon( PHYSDEV dev, const POINT *pt, INT count )
|
|
{
|
|
INT counts[1] = { count };
|
|
|
|
return dibdrv_PolyPolygon( dev, pt, counts, 1 );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* dibdrv_Polyline
|
|
*/
|
|
BOOL dibdrv_Polyline( PHYSDEV dev, const POINT* pt, INT count )
|
|
{
|
|
DWORD counts[1] = { count };
|
|
|
|
if (count < 0) return FALSE;
|
|
return dibdrv_PolyPolyline( dev, pt, counts, 1 );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* dibdrv_Rectangle
|
|
*/
|
|
BOOL dibdrv_Rectangle( PHYSDEV dev, INT left, INT top, INT right, INT bottom )
|
|
{
|
|
dibdrv_physdev *pdev = get_dibdrv_pdev(dev);
|
|
RECT rect;
|
|
POINT pts[4];
|
|
BOOL ret;
|
|
HRGN outline = 0;
|
|
|
|
TRACE("(%p, %d, %d, %d, %d)\n", dev, left, top, right, bottom);
|
|
|
|
if (!get_pen_device_rect( pdev, &rect, left, top, right, bottom )) return TRUE;
|
|
|
|
if (pdev->pen_uses_region && !(outline = CreateRectRgn( 0, 0, 0, 0 ))) return FALSE;
|
|
|
|
rect.right--;
|
|
rect.bottom--;
|
|
reset_dash_origin(pdev);
|
|
|
|
if (GetArcDirection( dev->hdc ) == AD_CLOCKWISE)
|
|
{
|
|
/* 4 pts going clockwise starting from bottom-right */
|
|
pts[0].x = pts[3].x = rect.right;
|
|
pts[0].y = pts[1].y = rect.bottom;
|
|
pts[1].x = pts[2].x = rect.left;
|
|
pts[2].y = pts[3].y = rect.top;
|
|
}
|
|
else
|
|
{
|
|
/* 4 pts going anti-clockwise starting from top-right */
|
|
pts[0].x = pts[3].x = rect.right;
|
|
pts[0].y = pts[1].y = rect.top;
|
|
pts[1].x = pts[2].x = rect.left;
|
|
pts[2].y = pts[3].y = rect.bottom;
|
|
}
|
|
|
|
pdev->pen_lines(pdev, 4, pts, TRUE, outline);
|
|
|
|
if (outline)
|
|
{
|
|
if (pdev->brush.style != BS_NULL)
|
|
{
|
|
HRGN interior = CreateRectRgnIndirect( &rect );
|
|
|
|
CombineRgn( interior, interior, outline, RGN_DIFF );
|
|
brush_region( pdev, interior );
|
|
DeleteObject( interior );
|
|
}
|
|
ret = pen_region( pdev, outline );
|
|
DeleteObject( outline );
|
|
}
|
|
else
|
|
{
|
|
rect.left += (pdev->pen_width + 1) / 2;
|
|
rect.top += (pdev->pen_width + 1) / 2;
|
|
rect.right -= pdev->pen_width / 2;
|
|
rect.bottom -= pdev->pen_width / 2;
|
|
ret = brush_rect( pdev, &pdev->brush, &rect, pdev->clip, GetROP2(dev->hdc) );
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* dibdrv_RoundRect
|
|
*/
|
|
BOOL dibdrv_RoundRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
|
|
INT ellipse_width, INT ellipse_height )
|
|
{
|
|
dibdrv_physdev *pdev = get_dibdrv_pdev( dev );
|
|
RECT rect;
|
|
POINT pt[2], *points;
|
|
int i, end, count;
|
|
BOOL ret = TRUE;
|
|
HRGN outline = 0, interior = 0;
|
|
|
|
if (!get_pen_device_rect( pdev, &rect, left, top, right, bottom )) return TRUE;
|
|
|
|
pt[0].x = pt[0].y = 0;
|
|
pt[1].x = ellipse_width;
|
|
pt[1].y = ellipse_height;
|
|
LPtoDP( dev->hdc, pt, 2 );
|
|
ellipse_width = min( rect.right - rect.left, abs( pt[1].x - pt[0].x ));
|
|
ellipse_height = min( rect.bottom - rect.top, abs( pt[1].y - pt[0].y ));
|
|
if (ellipse_width <= 2|| ellipse_height <= 2)
|
|
return dibdrv_Rectangle( dev, left, top, right, bottom );
|
|
|
|
points = HeapAlloc( GetProcessHeap(), 0, (ellipse_width + ellipse_height) * 2 * sizeof(*points) );
|
|
if (!points) return FALSE;
|
|
|
|
if (pdev->pen_uses_region && !(outline = CreateRectRgn( 0, 0, 0, 0 )))
|
|
{
|
|
HeapFree( GetProcessHeap(), 0, points );
|
|
return FALSE;
|
|
}
|
|
|
|
if (pdev->brush.style != BS_NULL &&
|
|
!(interior = CreateRoundRectRgn( rect.left, rect.top, rect.right + 1, rect.bottom + 1,
|
|
ellipse_width, ellipse_height )))
|
|
{
|
|
HeapFree( GetProcessHeap(), 0, points );
|
|
if (outline) DeleteObject( outline );
|
|
return FALSE;
|
|
}
|
|
|
|
/* if not using a region, paint the interior first so the outline can overlap it */
|
|
if (interior && !outline)
|
|
{
|
|
ret = brush_region( pdev, interior );
|
|
DeleteObject( interior );
|
|
interior = 0;
|
|
}
|
|
|
|
count = ellipse_first_quadrant( ellipse_width, ellipse_height, points );
|
|
|
|
if (GetArcDirection( dev->hdc ) == AD_CLOCKWISE)
|
|
{
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
points[i].x = rect.right - ellipse_width + points[i].x;
|
|
points[i].y = rect.bottom - ellipse_height + points[i].y;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
points[i].x = rect.right - ellipse_width + points[i].x;
|
|
points[i].y = rect.top + ellipse_height - 1 - points[i].y;
|
|
}
|
|
}
|
|
|
|
/* horizontal symmetry */
|
|
|
|
end = 2 * count - 1;
|
|
/* avoid duplicating the midpoint */
|
|
if (ellipse_width % 2 && ellipse_width == rect.right - rect.left) end--;
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
points[end - i].x = rect.left + rect.right - 1 - points[i].x;
|
|
points[end - i].y = points[i].y;
|
|
}
|
|
count = end + 1;
|
|
|
|
/* vertical symmetry */
|
|
|
|
end = 2 * count - 1;
|
|
/* avoid duplicating the midpoint */
|
|
if (ellipse_height % 2 && ellipse_height == rect.bottom - rect.top) end--;
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
points[end - i].x = points[i].x;
|
|
points[end - i].y = rect.top + rect.bottom - 1 - points[i].y;
|
|
}
|
|
count = end + 1;
|
|
|
|
reset_dash_origin( pdev );
|
|
pdev->pen_lines( pdev, count, points, TRUE, outline );
|
|
|
|
if (interior)
|
|
{
|
|
CombineRgn( interior, interior, outline, RGN_DIFF );
|
|
ret = brush_region( pdev, interior );
|
|
DeleteObject( interior );
|
|
}
|
|
if (outline)
|
|
{
|
|
if (ret) ret = pen_region( pdev, outline );
|
|
DeleteObject( outline );
|
|
}
|
|
HeapFree( GetProcessHeap(), 0, points );
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* dibdrv_Pie
|
|
*/
|
|
BOOL dibdrv_Pie( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
|
|
INT start_x, INT start_y, INT end_x, INT end_y )
|
|
{
|
|
return draw_arc( dev, left, top, right, bottom, start_x, start_y, end_x, end_y, 2 );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* dibdrv_SetPixel
|
|
*/
|
|
COLORREF dibdrv_SetPixel( PHYSDEV dev, INT x, INT y, COLORREF color )
|
|
{
|
|
dibdrv_physdev *pdev = get_dibdrv_pdev( dev );
|
|
struct clipped_rects clipped_rects;
|
|
RECT rect;
|
|
POINT pt;
|
|
DWORD pixel;
|
|
|
|
TRACE( "(%p, %d, %d, %08x)\n", dev, x, y, color );
|
|
|
|
pt.x = x;
|
|
pt.y = y;
|
|
LPtoDP( dev->hdc, &pt, 1 );
|
|
rect.left = pt.x;
|
|
rect.top = pt.y;
|
|
rect.right = rect.left + 1;
|
|
rect.bottom = rect.top + 1;
|
|
|
|
/* SetPixel doesn't do the 1bpp massaging like other fg colors */
|
|
pixel = get_pixel_color( pdev, color, FALSE );
|
|
color = pdev->dib.funcs->pixel_to_colorref( &pdev->dib, pixel );
|
|
|
|
if (!get_clipped_rects( &pdev->dib, &rect, pdev->clip, &clipped_rects )) return color;
|
|
pdev->dib.funcs->solid_rects( &pdev->dib, clipped_rects.count, clipped_rects.rects, 0, pixel );
|
|
free_clipped_rects( &clipped_rects );
|
|
return color;
|
|
}
|