wine/dlls/gdiplus/pen.c

375 lines
8.8 KiB
C

/*
* Copyright (C) 2007 Google (Evan Stade)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "objbase.h"
#include "gdiplus.h"
#include "gdiplus_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
static DWORD gdip_to_gdi_dash(GpDashStyle dash)
{
switch(dash){
case DashStyleSolid:
return PS_SOLID;
case DashStyleDash:
return PS_DASH;
case DashStyleDot:
return PS_DOT;
case DashStyleDashDot:
return PS_DASHDOT;
case DashStyleDashDotDot:
return PS_DASHDOTDOT;
case DashStyleCustom:
return PS_USERSTYLE;
default:
ERR("Not a member of GpDashStyle enumeration\n");
return 0;
}
}
static DWORD gdip_to_gdi_join(GpLineJoin join)
{
switch(join){
case LineJoinRound:
return PS_JOIN_ROUND;
case LineJoinBevel:
return PS_JOIN_BEVEL;
case LineJoinMiter:
case LineJoinMiterClipped:
return PS_JOIN_MITER;
default:
ERR("Not a member of GpLineJoin enumeration\n");
return 0;
}
}
GpStatus WINGDIPAPI GdipClonePen(GpPen *pen, GpPen **clonepen)
{
if(!pen || !clonepen)
return InvalidParameter;
*clonepen = GdipAlloc(sizeof(GpPen));
if(!*clonepen) return OutOfMemory;
memcpy(*clonepen, pen, sizeof(GpPen));
GdipCloneCustomLineCap(pen->customstart, &(*clonepen)->customstart);
GdipCloneCustomLineCap(pen->customend, &(*clonepen)->customend);
GdipCloneBrush(pen->brush, &(*clonepen)->brush);
return Ok;
}
GpStatus WINGDIPAPI GdipCreatePen1(ARGB color, REAL width, GpUnit unit,
GpPen **pen)
{
GpPen *gp_pen;
if(!pen)
return InvalidParameter;
gp_pen = GdipAlloc(sizeof(GpPen));
if(!gp_pen) return OutOfMemory;
gp_pen->style = GP_DEFAULT_PENSTYLE;
gp_pen->width = width;
gp_pen->unit = unit;
gp_pen->endcap = LineCapFlat;
gp_pen->join = LineJoinMiter;
gp_pen->miterlimit = 10.0;
gp_pen->dash = DashStyleSolid;
gp_pen->offset = 0.0;
GdipCreateSolidFill(color, (GpSolidFill **)(&gp_pen->brush));
if(!((gp_pen->unit == UnitWorld) || (gp_pen->unit == UnitPixel))) {
FIXME("UnitWorld, UnitPixel only supported units\n");
GdipFree(gp_pen);
return NotImplemented;
}
*pen = gp_pen;
return Ok;
}
GpStatus WINGDIPAPI GdipDeletePen(GpPen *pen)
{
if(!pen) return InvalidParameter;
GdipDeleteBrush(pen->brush);
GdipDeleteCustomLineCap(pen->customstart);
GdipDeleteCustomLineCap(pen->customend);
GdipFree(pen->dashes);
GdipFree(pen);
return Ok;
}
GpStatus WINGDIPAPI GdipGetPenBrushFill(GpPen *pen, GpBrush **brush)
{
if(!pen || !brush)
return InvalidParameter;
return GdipCloneBrush(pen->brush, brush);
}
GpStatus WINGDIPAPI GdipGetPenColor(GpPen *pen, ARGB *argb)
{
if(!pen || !argb)
return InvalidParameter;
if(pen->brush->bt != BrushTypeSolidColor)
return NotImplemented;
return GdipGetSolidFillColor(((GpSolidFill*)pen->brush), argb);
}
GpStatus WINGDIPAPI GdipGetPenDashArray(GpPen *pen, REAL *dash, INT count)
{
if(!pen || !dash || count > pen->numdashes)
return InvalidParameter;
/* note: if you pass a negative value for count, it crashes native gdiplus. */
if(count < 0)
return GenericError;
memcpy(dash, pen->dashes, count * sizeof(REAL));
return Ok;
}
GpStatus WINGDIPAPI GdipGetPenDashOffset(GpPen *pen, REAL *offset)
{
if(!pen || !offset)
return InvalidParameter;
*offset = pen->offset;
return Ok;
}
GpStatus WINGDIPAPI GdipGetPenDashStyle(GpPen *pen, GpDashStyle *dash)
{
if(!pen || !dash)
return InvalidParameter;
*dash = pen->dash;
return Ok;
}
GpStatus WINGDIPAPI GdipSetPenBrushFill(GpPen *pen, GpBrush *brush)
{
if(!pen || !brush)
return InvalidParameter;
GdipDeleteBrush(pen->brush);
return GdipCloneBrush(brush, &pen->brush);
}
GpStatus WINGDIPAPI GdipSetPenColor(GpPen *pen, ARGB argb)
{
if(!pen)
return InvalidParameter;
if(pen->brush->bt != BrushTypeSolidColor)
return NotImplemented;
return GdipSetSolidFillColor(((GpSolidFill*)pen->brush), argb);
}
GpStatus WINGDIPAPI GdipSetPenCustomEndCap(GpPen *pen, GpCustomLineCap* customCap)
{
GpCustomLineCap * cap;
GpStatus ret;
if(!pen || !customCap) return InvalidParameter;
if((ret = GdipCloneCustomLineCap(customCap, &cap)) == Ok){
GdipDeleteCustomLineCap(pen->customend);
pen->endcap = LineCapCustom;
pen->customend = cap;
}
return ret;
}
GpStatus WINGDIPAPI GdipSetPenCustomStartCap(GpPen *pen, GpCustomLineCap* customCap)
{
GpCustomLineCap * cap;
GpStatus ret;
if(!pen || !customCap) return InvalidParameter;
if((ret = GdipCloneCustomLineCap(customCap, &cap)) == Ok){
GdipDeleteCustomLineCap(pen->customstart);
pen->startcap = LineCapCustom;
pen->customstart = cap;
}
return ret;
}
GpStatus WINGDIPAPI GdipSetPenDashArray(GpPen *pen, GDIPCONST REAL *dash,
INT count)
{
INT i;
REAL sum = 0;
if(!pen || !dash)
return InvalidParameter;
for(i = 0; i < count; i++){
sum += dash[i];
if(dash[i] < 0.0)
return InvalidParameter;
}
if(sum == 0.0 && count)
return InvalidParameter;
GdipFree(pen->dashes);
pen->dashes = NULL;
if(count > 0)
pen->dashes = GdipAlloc(count * sizeof(REAL));
if(!pen->dashes){
pen->numdashes = 0;
return OutOfMemory;
}
GdipSetPenDashStyle(pen, DashStyleCustom);
memcpy(pen->dashes, dash, count * sizeof(REAL));
pen->numdashes = count;
return Ok;
}
/* FIXME: dash offset not used */
GpStatus WINGDIPAPI GdipSetPenDashOffset(GpPen *pen, REAL offset)
{
if(!pen)
return InvalidParameter;
pen->offset = offset;
return Ok;
}
GpStatus WINGDIPAPI GdipSetPenDashStyle(GpPen *pen, GpDashStyle dash)
{
if(!pen)
return InvalidParameter;
if(dash != DashStyleCustom){
GdipFree(pen->dashes);
pen->dashes = NULL;
pen->numdashes = 0;
}
pen->dash = dash;
pen->style &= ~(PS_ALTERNATE | PS_SOLID | PS_DASH | PS_DOT | PS_DASHDOT |
PS_DASHDOTDOT | PS_NULL | PS_USERSTYLE | PS_INSIDEFRAME);
pen->style |= gdip_to_gdi_dash(dash);
return Ok;
}
GpStatus WINGDIPAPI GdipSetPenEndCap(GpPen *pen, GpLineCap cap)
{
if(!pen) return InvalidParameter;
/* The old custom cap gets deleted even if the new style is LineCapCustom. */
GdipDeleteCustomLineCap(pen->customend);
pen->customend = NULL;
pen->endcap = cap;
return Ok;
}
/* FIXME: startcap, dashcap not used. */
GpStatus WINGDIPAPI GdipSetPenLineCap197819(GpPen *pen, GpLineCap start,
GpLineCap end, GpDashCap dash)
{
if(!pen)
return InvalidParameter;
GdipDeleteCustomLineCap(pen->customend);
GdipDeleteCustomLineCap(pen->customstart);
pen->customend = NULL;
pen->customstart = NULL;
pen->startcap = start;
pen->endcap = end;
pen->dashcap = dash;
return Ok;
}
/* FIXME: Miter line joins behave a bit differently than they do in windows.
* Both kinds of miter joins clip if the angle is less than 11 degrees. */
GpStatus WINGDIPAPI GdipSetPenLineJoin(GpPen *pen, GpLineJoin join)
{
if(!pen) return InvalidParameter;
pen->join = join;
pen->style &= ~(PS_JOIN_ROUND | PS_JOIN_BEVEL | PS_JOIN_MITER);
pen->style |= gdip_to_gdi_join(join);
return Ok;
}
GpStatus WINGDIPAPI GdipSetPenMiterLimit(GpPen *pen, REAL limit)
{
if(!pen)
return InvalidParameter;
pen->miterlimit = limit;
return Ok;
}
GpStatus WINGDIPAPI GdipSetPenStartCap(GpPen *pen, GpLineCap cap)
{
if(!pen) return InvalidParameter;
GdipDeleteCustomLineCap(pen->customstart);
pen->customstart = NULL;
pen->startcap = cap;
return Ok;
}
GpStatus WINGDIPAPI GdipSetPenWidth(GpPen *pen, REAL width)
{
if(!pen) return InvalidParameter;
pen->width = width;
return Ok;
}