Sweden-Number/objects/pen.c

99 lines
2.7 KiB
C

/*
* GDI pen objects
*
* Copyright 1993 Alexandre Julliard
*/
static char Copyright[] = "Copyright Alexandre Julliard, 1993";
#include "gdi.h"
#include "metafile.h"
extern WORD COLOR_ToPhysical( DC *dc, COLORREF color );
/***********************************************************************
* CreatePen (GDI.61)
*/
HPEN CreatePen( short style, short width, COLORREF color )
{
LOGPEN logpen = { style, { width, 0 }, color };
#ifdef DEBUG_GDI
printf( "CreatePen: %d %d %06x\n", style, width, color );
#endif
return CreatePenIndirect( &logpen );
}
/***********************************************************************
* CreatePenIndirect (GDI.62)
*/
HPEN CreatePenIndirect( LOGPEN * pen )
{
PENOBJ * penPtr;
HPEN hpen;
if (pen->lopnStyle > PS_INSIDEFRAME) return 0;
hpen = GDI_AllocObject( sizeof(PENOBJ), PEN_MAGIC );
if (!hpen) return 0;
penPtr = (PENOBJ *) GDI_HEAP_ADDR( hpen );
memcpy( &penPtr->logpen, pen, sizeof(LOGPEN) );
return hpen;
}
/***********************************************************************
* PEN_GetObject
*/
int PEN_GetObject( PENOBJ * pen, int count, LPSTR buffer )
{
if (count > sizeof(LOGPEN)) count = sizeof(LOGPEN);
memcpy( buffer, &pen->logpen, count );
return count;
}
/***********************************************************************
* PEN_SelectObject
*/
HPEN PEN_SelectObject( DC * dc, HPEN hpen, PENOBJ * pen )
{
static char dash_dash[] = { 5, 3 }; /* ----- ----- ----- */
static char dash_dot[] = { 2, 2 }; /* -- -- -- -- -- -- */
static char dash_dashdot[] = { 4,3,2,3 }; /* ---- -- ---- -- */
static char dash_dashdotdot[] = { 4,2,2,2,2,2 }; /* ---- -- -- ---- */
HPEN prevHandle = dc->w.hPen;
if (dc->header.wMagic == METAFILE_DC_MAGIC)
return MF_CreatePenIndirect(dc, hpen, &(pen->logpen));
dc->w.hPen = hpen;
dc->u.x.pen.style = pen->logpen.lopnStyle;
dc->u.x.pen.width = pen->logpen.lopnWidth.x * dc->w.VportExtX
/ dc->w.WndExtX;
if (dc->u.x.pen.width < 0) dc->u.x.pen.width = -dc->u.x.pen.width;
if (dc->u.x.pen.width == 1) dc->u.x.pen.width = 0; /* Faster */
dc->u.x.pen.pixel = COLOR_ToPhysical( dc, pen->logpen.lopnColor );
switch(pen->logpen.lopnStyle)
{
case PS_DASH:
dc->u.x.pen.dashes = dash_dash;
dc->u.x.pen.dash_len = 2;
break;
case PS_DOT:
dc->u.x.pen.dashes = dash_dot;
dc->u.x.pen.dash_len = 2;
break;
case PS_DASHDOT:
dc->u.x.pen.dashes = dash_dashdot;
dc->u.x.pen.dash_len = 4;
break;
case PS_DASHDOTDOT:
dc->u.x.pen.dashes = dash_dashdotdot;
dc->u.x.pen.dash_len = 6;
break;
}
return prevHandle;
}