/*
 *	PostScript brush handling
 *
 * Copyright 1998  Huw D M Davies
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "psdrv.h"
#include "wine/debug.h"
#include "winbase.h"

WINE_DEFAULT_DEBUG_CHANNEL(psdrv);

/***********************************************************************
 *           PSDRV_BRUSH_SelectObject
 */
HBRUSH PSDRV_BRUSH_SelectObject( DC * dc, HBRUSH hbrush )
{
    LOGBRUSH logbrush;
    HBRUSH prevbrush = dc->hBrush;
    PSDRV_PDEVICE *physDev = (PSDRV_PDEVICE *)dc->physDev;

    if (!GetObjectA( hbrush, sizeof(logbrush), &logbrush )) return 0;

    TRACE("hbrush = %08x\n", hbrush);
    dc->hBrush = hbrush;

    switch(logbrush.lbStyle) {

    case BS_SOLID:
        PSDRV_CreateColor(physDev, &physDev->brush.color, logbrush.lbColor);
	break;

    case BS_NULL:
        break;

    case BS_HATCHED:
        PSDRV_CreateColor(physDev, &physDev->brush.color, logbrush.lbColor);
        break;

    case BS_PATTERN:
        FIXME("Unsupported brush style %d\n", logbrush.lbStyle);
	break;

    default:
        FIXME("Unrecognized brush style %d\n", logbrush.lbStyle);
	break;
    }

    physDev->brush.set = FALSE;
    return prevbrush;
}


/**********************************************************************
 *
 *	PSDRV_SetBrush
 *
 */
static BOOL PSDRV_SetBrush(DC *dc)
{
    LOGBRUSH logbrush;
    BOOL ret = TRUE;
    PSDRV_PDEVICE *physDev = (PSDRV_PDEVICE *)dc->physDev;

    if (!GetObjectA( dc->hBrush, sizeof(logbrush), &logbrush ))
    {
        ERR("Can't get BRUSHOBJ\n");
	return FALSE;
    }

    switch (logbrush.lbStyle) {
    case BS_SOLID:
    case BS_HATCHED:
        PSDRV_WriteSetColor(dc, &physDev->brush.color);
	break;

    case BS_NULL:
        break;

    default:
        ret = FALSE;
        break;

    }
    physDev->brush.set = TRUE;
    return TRUE;
}


/**********************************************************************
 *
 *	PSDRV_Fill
 *
 */
static BOOL PSDRV_Fill(DC *dc, BOOL EO)
{
    if(!EO)
        return PSDRV_WriteFill(dc);
    else
      return PSDRV_WriteEOFill(dc);
}


/**********************************************************************
 *
 *	PSDRV_Clip
 *
 */
static BOOL PSDRV_Clip(DC *dc, BOOL EO)
{
    if(!EO)
        return PSDRV_WriteClip(dc);
    else
        return PSDRV_WriteEOClip(dc);
}

/**********************************************************************
 *
 *	PSDRV_Brush
 *
 */
BOOL PSDRV_Brush(DC *dc, BOOL EO)
{
    LOGBRUSH logbrush;
    BOOL ret = TRUE;
    PSDRV_PDEVICE *physDev = dc->physDev;

    if (!GetObjectA( dc->hBrush, sizeof(logbrush), &logbrush ))
    {
        ERR("Can't get BRUSHOBJ\n");
	return FALSE;
    }

    switch (logbrush.lbStyle) {
    case BS_SOLID:
        PSDRV_SetBrush(dc);
	PSDRV_WriteGSave(dc);
        PSDRV_Fill(dc, EO);
	PSDRV_WriteGRestore(dc);
	break;

    case BS_HATCHED:
        PSDRV_SetBrush(dc);

	switch(logbrush.lbHatch) {
	case HS_VERTICAL:
	case HS_CROSS:
	    PSDRV_WriteGSave(dc);
	    PSDRV_Clip(dc, EO);
	    PSDRV_WriteHatch(dc);
	    PSDRV_WriteStroke(dc);
	    PSDRV_WriteGRestore(dc);
	    if(logbrush.lbHatch == HS_VERTICAL)
	        break;
	    /* else fallthrough for HS_CROSS */

	case HS_HORIZONTAL:
	    PSDRV_WriteGSave(dc);
	    PSDRV_Clip(dc, EO);
	    PSDRV_WriteRotate(dc, 90.0);
	    PSDRV_WriteHatch(dc);
	    PSDRV_WriteStroke(dc);
	    PSDRV_WriteGRestore(dc);
	    break;

	case HS_FDIAGONAL:
	case HS_DIAGCROSS:
	    PSDRV_WriteGSave(dc);
	    PSDRV_Clip(dc, EO);
	    PSDRV_WriteRotate(dc, -45.0);
	    PSDRV_WriteHatch(dc);
	    PSDRV_WriteStroke(dc);
	    PSDRV_WriteGRestore(dc);
	    if(logbrush.lbHatch == HS_FDIAGONAL)
	        break;
	    /* else fallthrough for HS_DIAGCROSS */
	    
	case HS_BDIAGONAL:
	    PSDRV_WriteGSave(dc);
	    PSDRV_Clip(dc, EO);
	    PSDRV_WriteRotate(dc, 45.0);
	    PSDRV_WriteHatch(dc);
	    PSDRV_WriteStroke(dc);
	    PSDRV_WriteGRestore(dc);
	    break;

	default:
	    ERR("Unknown hatch style\n");
	    ret = FALSE;
            break;
	}
	break;

    case BS_NULL:
	break;

    case BS_PATTERN:
        {
	    BITMAP bm;
	    BYTE *bits;
	    GetObjectA(logbrush.lbHatch, sizeof(BITMAP), &bm);
	    TRACE("BS_PATTERN %dx%d %d bpp\n", bm.bmWidth, bm.bmHeight,
		  bm.bmBitsPixel);
	    bits = HeapAlloc(PSDRV_Heap, 0, bm.bmWidthBytes * bm.bmHeight);
	    GetBitmapBits(logbrush.lbHatch, bm.bmWidthBytes * bm.bmHeight, bits);

	    if(physDev->pi->ppd->LanguageLevel > 1) {
	        PSDRV_WriteGSave(dc);
	        PSDRV_WritePatternDict(dc, &bm, bits);
		PSDRV_Fill(dc, EO);
		PSDRV_WriteGRestore(dc);
	    } else {
	        FIXME("Trying to set a pattern brush on a level 1 printer\n");
		ret = FALSE;
	    }
	    HeapFree(PSDRV_Heap, 0, bits);	
	}
	break;

    default:
        ret = FALSE;
	break;
    }
    return ret;
}