📄 draw.c
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/*
* ReactOS User32 Library
* - Various drawing functions
*
* Copyright 2001 Casper S. Hournstroup
* Copyright 2003 Andrew Greenwood
* Copyright 2003 Filip Navara
*
* Based on Wine code.
*
* Copyright 1993, 1994 Alexandre Julliard
* Copyright 2002 Bill Medland
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* INCLUDES *******************************************************************/
#include <user32.h>
#include <wine/debug.h>
/* GLOBALS *******************************************************************/
#define DSS_DEFAULT 0x0040 /* Make it bold */
static const WORD wPattern_AA55[8] = { 0xaaaa, 0x5555, 0xaaaa, 0x5555,
0xaaaa, 0x5555, 0xaaaa, 0x5555 };
/* These tables are used in:
* UITOOLS_DrawDiagEdge()
* UITOOLS_DrawRectEdge()
*/
static const signed char LTInnerNormal[] = {
-1, -1, -1, -1,
-1, COLOR_BTNHIGHLIGHT, COLOR_BTNHIGHLIGHT, -1,
-1, COLOR_3DDKSHADOW, COLOR_3DDKSHADOW, -1,
-1, -1, -1, -1
};
static const signed char LTOuterNormal[] = {
-1, COLOR_3DLIGHT, COLOR_BTNSHADOW, -1,
COLOR_BTNHIGHLIGHT, COLOR_3DLIGHT, COLOR_BTNSHADOW, -1,
COLOR_3DDKSHADOW, COLOR_3DLIGHT, COLOR_BTNSHADOW, -1,
-1, COLOR_3DLIGHT, COLOR_BTNSHADOW, -1
};
static const signed char RBInnerNormal[] = {
-1, -1, -1, -1,
-1, COLOR_BTNSHADOW, COLOR_BTNSHADOW, -1,
-1, COLOR_3DLIGHT, COLOR_3DLIGHT, -1,
-1, -1, -1, -1
};
static const signed char RBOuterNormal[] = {
-1, COLOR_3DDKSHADOW, COLOR_BTNHIGHLIGHT, -1,
COLOR_BTNSHADOW, COLOR_3DDKSHADOW, COLOR_BTNHIGHLIGHT, -1,
COLOR_3DLIGHT, COLOR_3DDKSHADOW, COLOR_BTNHIGHLIGHT, -1,
-1, COLOR_3DDKSHADOW, COLOR_BTNHIGHLIGHT, -1
};
static const signed char LTInnerSoft[] = {
-1, -1, -1, -1,
-1, COLOR_3DLIGHT, COLOR_3DLIGHT, -1,
-1, COLOR_BTNSHADOW, COLOR_BTNSHADOW, -1,
-1, -1, -1, -1
};
static const signed char LTOuterSoft[] = {
-1, COLOR_BTNHIGHLIGHT, COLOR_3DDKSHADOW, -1,
COLOR_3DLIGHT, COLOR_BTNHIGHLIGHT, COLOR_3DDKSHADOW, -1,
COLOR_BTNSHADOW, COLOR_BTNHIGHLIGHT, COLOR_3DDKSHADOW, -1,
-1, COLOR_BTNHIGHLIGHT, COLOR_3DDKSHADOW, -1
};
#define RBInnerSoft RBInnerNormal /* These are the same */
#define RBOuterSoft RBOuterNormal
static const signed char LTRBOuterMono[] = {
-1, COLOR_WINDOWFRAME, COLOR_WINDOWFRAME, COLOR_WINDOWFRAME,
COLOR_WINDOW, COLOR_WINDOWFRAME, COLOR_WINDOWFRAME, COLOR_WINDOWFRAME,
COLOR_WINDOW, COLOR_WINDOWFRAME, COLOR_WINDOWFRAME, COLOR_WINDOWFRAME,
COLOR_WINDOW, COLOR_WINDOWFRAME, COLOR_WINDOWFRAME, COLOR_WINDOWFRAME,
};
static const signed char LTRBInnerMono[] = {
-1, -1, -1, -1,
-1, COLOR_WINDOW, COLOR_WINDOW, COLOR_WINDOW,
-1, COLOR_WINDOW, COLOR_WINDOW, COLOR_WINDOW,
-1, COLOR_WINDOW, COLOR_WINDOW, COLOR_WINDOW,
};
static const signed char LTRBOuterFlat[] = {
-1, COLOR_BTNSHADOW, COLOR_BTNSHADOW, COLOR_BTNSHADOW,
COLOR_BTNFACE, COLOR_BTNSHADOW, COLOR_BTNSHADOW, COLOR_BTNSHADOW,
COLOR_BTNFACE, COLOR_BTNSHADOW, COLOR_BTNSHADOW, COLOR_BTNSHADOW,
COLOR_BTNFACE, COLOR_BTNSHADOW, COLOR_BTNSHADOW, COLOR_BTNSHADOW,
};
static const signed char LTRBInnerFlat[] = {
-1, -1, -1, -1,
-1, COLOR_BTNFACE, COLOR_BTNFACE, COLOR_BTNFACE,
-1, COLOR_BTNFACE, COLOR_BTNFACE, COLOR_BTNFACE,
-1, COLOR_BTNFACE, COLOR_BTNFACE, COLOR_BTNFACE,
};
/* FUNCTIONS *****************************************************************/
HPEN STDCALL GetSysColorPen(int nIndex);
HBRUSH STDCALL GetSysColorBrush(int nIndex);
/* Ported from WINE20020904 */
/* Same as DrawEdge invoked with BF_DIAGONAL */
static BOOL IntDrawDiagEdge(HDC hdc, LPRECT rc, UINT uType, UINT uFlags)
{
POINT Points[4];
signed char InnerI, OuterI;
HPEN InnerPen, OuterPen;
POINT SavePoint;
HPEN SavePen;
int spx, spy;
int epx, epy;
int Width = rc->right - rc->left;
int Height= rc->bottom - rc->top;
int SmallDiam = Width > Height ? Height : Width;
BOOL retval = !( ((uType & BDR_INNER) == BDR_INNER
|| (uType & BDR_OUTER) == BDR_OUTER)
&& !(uFlags & (BF_FLAT|BF_MONO)) );
int add = (LTRBInnerMono[uType & (BDR_INNER|BDR_OUTER)] != -1 ? 1 : 0)
+ (LTRBOuterMono[uType & (BDR_INNER|BDR_OUTER)] != -1 ? 1 : 0);
/* Init some vars */
OuterPen = InnerPen = (HPEN)GetStockObject(NULL_PEN);
SavePen = (HPEN)SelectObject(hdc, InnerPen);
spx = spy = epx = epy = 0; /* Satisfy the compiler... */
/* Determine the colors of the edges */
if(uFlags & BF_MONO)
{
InnerI = LTRBInnerMono[uType & (BDR_INNER|BDR_OUTER)];
OuterI = LTRBOuterMono[uType & (BDR_INNER|BDR_OUTER)];
}
else if(uFlags & BF_FLAT)
{
InnerI = LTRBInnerFlat[uType & (BDR_INNER|BDR_OUTER)];
OuterI = LTRBOuterFlat[uType & (BDR_INNER|BDR_OUTER)];
}
else if(uFlags & BF_SOFT)
{
if(uFlags & BF_BOTTOM)
{
InnerI = RBInnerSoft[uType & (BDR_INNER|BDR_OUTER)];
OuterI = RBOuterSoft[uType & (BDR_INNER|BDR_OUTER)];
}
else
{
InnerI = LTInnerSoft[uType & (BDR_INNER|BDR_OUTER)];
OuterI = LTOuterSoft[uType & (BDR_INNER|BDR_OUTER)];
}
}
else
{
if(uFlags & BF_BOTTOM)
{
InnerI = RBInnerNormal[uType & (BDR_INNER|BDR_OUTER)];
OuterI = RBOuterNormal[uType & (BDR_INNER|BDR_OUTER)];
}
else
{
InnerI = LTInnerNormal[uType & (BDR_INNER|BDR_OUTER)];
OuterI = LTOuterNormal[uType & (BDR_INNER|BDR_OUTER)];
}
}
if(InnerI != -1) InnerPen = GetSysColorPen(InnerI);
if(OuterI != -1) OuterPen = GetSysColorPen(OuterI);
MoveToEx(hdc, 0, 0, &SavePoint);
/* Don't ask me why, but this is what is visible... */
/* This must be possible to do much simpler, but I fail to */
/* see the logic in the MS implementation (sigh...). */
/* So, this might look a bit brute force here (and it is), but */
/* it gets the job done;) */
switch(uFlags & BF_RECT)
{
case 0:
case BF_LEFT:
case BF_BOTTOM:
case BF_BOTTOMLEFT:
/* Left bottom endpoint */
epx = rc->left-1;
spx = epx + SmallDiam;
epy = rc->bottom;
spy = epy - SmallDiam;
break;
case BF_TOPLEFT:
case BF_BOTTOMRIGHT:
/* Left top endpoint */
epx = rc->left-1;
spx = epx + SmallDiam;
epy = rc->top-1;
spy = epy + SmallDiam;
break;
case BF_TOP:
case BF_RIGHT:
case BF_TOPRIGHT:
case BF_RIGHT|BF_LEFT:
case BF_RIGHT|BF_LEFT|BF_TOP:
case BF_BOTTOM|BF_TOP:
case BF_BOTTOM|BF_TOP|BF_LEFT:
case BF_BOTTOMRIGHT|BF_LEFT:
case BF_BOTTOMRIGHT|BF_TOP:
case BF_RECT:
/* Right top endpoint */
spx = rc->left;
epx = spx + SmallDiam;
spy = rc->bottom-1;
epy = spy - SmallDiam;
break;
}
MoveToEx(hdc, spx, spy, NULL);
SelectObject(hdc, OuterPen);
LineTo(hdc, epx, epy);
SelectObject(hdc, InnerPen);
switch(uFlags & (BF_RECT|BF_DIAGONAL))
{
case BF_DIAGONAL_ENDBOTTOMLEFT:
case (BF_DIAGONAL|BF_BOTTOM):
case BF_DIAGONAL:
case (BF_DIAGONAL|BF_LEFT):
MoveToEx(hdc, spx-1, spy, NULL);
LineTo(hdc, epx, epy-1);
Points[0].x = spx-add;
Points[0].y = spy;
Points[1].x = rc->left;
Points[1].y = rc->top;
Points[2].x = epx+1;
Points[2].y = epy-1-add;
Points[3] = Points[2];
break;
case BF_DIAGONAL_ENDBOTTOMRIGHT:
MoveToEx(hdc, spx-1, spy, NULL);
LineTo(hdc, epx, epy+1);
Points[0].x = spx-add;
Points[0].y = spy;
Points[1].x = rc->left;
Points[1].y = rc->bottom-1;
Points[2].x = epx+1;
Points[2].y = epy+1+add;
Points[3] = Points[2];
break;
case (BF_DIAGONAL|BF_BOTTOM|BF_RIGHT|BF_TOP):
case (BF_DIAGONAL|BF_BOTTOM|BF_RIGHT|BF_TOP|BF_LEFT):
case BF_DIAGONAL_ENDTOPRIGHT:
case (BF_DIAGONAL|BF_RIGHT|BF_TOP|BF_LEFT):
MoveToEx(hdc, spx+1, spy, NULL);
LineTo(hdc, epx, epy+1);
Points[0].x = epx-1;
Points[0].y = epy+1+add;
Points[1].x = rc->right-1;
Points[1].y = rc->top+add;
Points[2].x = rc->right-1;
Points[2].y = rc->bottom-1;
Points[3].x = spx+add;
Points[3].y = spy;
break;
case BF_DIAGONAL_ENDTOPLEFT:
MoveToEx(hdc, spx, spy-1, NULL);
LineTo(hdc, epx+1, epy);
Points[0].x = epx+1+add;
Points[0].y = epy+1;
Points[1].x = rc->right-1;
Points[1].y = rc->top;
Points[2].x = rc->right-1;
Points[2].y = rc->bottom-1-add;
Points[3].x = spx;
Points[3].y = spy-add;
break;
case (BF_DIAGONAL|BF_TOP):
case (BF_DIAGONAL|BF_BOTTOM|BF_TOP):
case (BF_DIAGONAL|BF_BOTTOM|BF_TOP|BF_LEFT):
MoveToEx(hdc, spx+1, spy-1, NULL);
LineTo(hdc, epx, epy);
Points[0].x = epx-1;
Points[0].y = epy+1;
Points[1].x = rc->right-1;
Points[1].y = rc->top;
Points[2].x = rc->right-1;
Points[2].y = rc->bottom-1-add;
Points[3].x = spx+add;
Points[3].y = spy-add;
break;
case (BF_DIAGONAL|BF_RIGHT):
case (BF_DIAGONAL|BF_RIGHT|BF_LEFT):
case (BF_DIAGONAL|BF_RIGHT|BF_LEFT|BF_BOTTOM):
MoveToEx(hdc, spx, spy, NULL);
LineTo(hdc, epx-1, epy+1);
Points[0].x = spx;
Points[0].y = spy;
Points[1].x = rc->left;
Points[1].y = rc->top+add;
Points[2].x = epx-1-add;
Points[2].y = epy+1+add;
Points[3] = Points[2];
break;
}
/* Fill the interior if asked */
if((uFlags & BF_MIDDLE) && retval)
{
HBRUSH hbsave;
HBRUSH hb = GetSysColorBrush(uFlags & BF_MONO ? COLOR_WINDOW : COLOR_BTNFACE);
HPEN hpsave;
HPEN hp = GetSysColorPen(uFlags & BF_MONO ? COLOR_WINDOW : COLOR_BTNFACE);
hbsave = (HBRUSH)SelectObject(hdc, hb);
hpsave = (HPEN)SelectObject(hdc, hp);
Polygon(hdc, Points, 4);
SelectObject(hdc, hbsave);
SelectObject(hdc, hpsave);
}
/* Adjust rectangle if asked */
if(uFlags & BF_ADJUST)
{
if(uFlags & BF_LEFT) rc->left += add;
if(uFlags & BF_RIGHT) rc->right -= add;
if(uFlags & BF_TOP) rc->top += add;
if(uFlags & BF_BOTTOM) rc->bottom -= add;
}
/* Cleanup */
SelectObject(hdc, SavePen);
MoveToEx(hdc, SavePoint.x, SavePoint.y, NULL);
return retval;
}
/* Ported from WINE20020904 */
/* Same as DrawEdge invoked without BF_DIAGONAL
*
* 23-Nov-1997: Changed by Bertho Stultiens
*
* Well, I started testing this and found out that there are a few things
* that weren't quite as win95. The following rewrite should reproduce
* win95 results completely.
* The colorselection is table-driven to avoid awfull if-statements.
* The table below show the color settings.
*
* Pen selection table for uFlags = 0
*
* uType | LTI | LTO | RBI | RBO
* ------+-------+-------+-------+-------
* 0000 | x | x | x | x
* 0001 | x | 22 | x | 21
* 0010 | x | 16 | x | 20
* 0011 | x | x | x | x
* ------+-------+-------+-------+-------
* 0100 | x | 20 | x | 16
* 0101 | 20 | 22 | 16 | 21
* 0110 | 20 | 16 | 16 | 20
* 0111 | x | x | x | x
* ------+-------+-------+-------+-------
* 1000 | x | 21 | x | 22
* 1001 | 21 | 22 | 22 | 21
* 1010 | 21 | 16 | 22 | 20
* 1011 | x | x | x | x
* ------+-------+-------+-------+-------
* 1100 | x | x | x | x
* 1101 | x | x (22)| x | x (21)
* 1110 | x | x (16)| x | x (20)
* 1111 | x | x | x | x
*
* Pen selection table for uFlags = BF_SOFT
*
* uType | LTI | LTO | RBI | RBO
* ------+-------+-------+-------+-------
* 0000 | x | x | x | x
* 0001 | x | 20 | x | 21
* 0010 | x | 21 | x | 20
* 0011 | x | x | x | x
* ------+-------+-------+-------+-------
* 0100 | x | 22 | x | 16
* 0101 | 22 | 20 | 16 | 21
* 0110 | 22 | 21 | 16 | 20
* 0111 | x | x | x | x
* ------+-------+-------+-------+-------
* 1000 | x | 16 | x | 22
* 1001 | 16 | 20 | 22 | 21
* 1010 | 16 | 21 | 22 | 20
* 1011 | x | x | x | x
* ------+-------+-------+-------+-------
* 1100 | x | x | x | x
* 1101 | x | x (20)| x | x (21)
* 1110 | x | x (21)| x | x (20)
* 1111 | x | x | x | x
*
* x = don't care; (n) = is what win95 actually uses
* LTI = left Top Inner line
* LTO = left Top Outer line
* RBI = Right Bottom Inner line
* RBO = Right Bottom Outer line
* 15 = COLOR_BTNFACE
* 16 = COLOR_BTNSHADOW
* 20 = COLOR_BTNHIGHLIGHT
* 21 = COLOR_3DDKSHADOW
* 22 = COLOR_3DLIGHT
*/
static BOOL IntDrawRectEdge(HDC hdc, LPRECT rc, UINT uType, UINT uFlags)
{
signed char LTInnerI, LTOuterI;
signed char RBInnerI, RBOuterI;
HPEN LTInnerPen, LTOuterPen;
HPEN RBInnerPen, RBOuterPen;
RECT InnerRect = *rc;
POINT SavePoint;
HPEN SavePen;
int LBpenplus = 0;
int LTpenplus = 0;
int RTpenplus = 0;
int RBpenplus = 0;
BOOL retval = !( ((uType & BDR_INNER) == BDR_INNER
|| (uType & BDR_OUTER) == BDR_OUTER)
&& !(uFlags & (BF_FLAT|BF_MONO)) );
/* Init some vars */
LTInnerPen = LTOuterPen = RBInnerPen = RBOuterPen = (HPEN)GetStockObject(NULL_PEN);
SavePen = (HPEN)SelectObject(hdc, LTInnerPen);
/* Determine the colors of the edges */
if(uFlags & BF_MONO)
{
LTInnerI = RBInnerI = LTRBInnerMono[uType & (BDR_INNER|BDR_OUTER)];
LTOuterI = RBOuterI = LTRBOuterMono[uType & (BDR_INNER|BDR_OUTER)];
}
else if(uFlags & BF_FLAT)
{
LTInnerI = RBInnerI = LTRBInnerFlat[uType & (BDR_INNER|BDR_OUTER)];
LTOuterI = RBOuterI = LTRBOuterFlat[uType & (BDR_INNER|BDR_OUTER)];
/* Bertho Stultiens states above that this function exactly matches win95
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