111 lines
3.0 KiB
C
111 lines
3.0 KiB
C
/*
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* PostScript colour functions
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*
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* Copyright 1998 Huw D M 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 "psdrv.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(psdrv);
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/**********************************************************************
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* PSDRV_CopyColor
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*
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* Copies col2 into col1. Return FALSE on error.
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*/
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BOOL PSDRV_CopyColor(PSCOLOR *col1, PSCOLOR *col2)
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{
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switch(col2->type) {
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case PSCOLOR_GRAY:
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col1->value.gray.i = col2->value.gray.i;
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break;
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case PSCOLOR_RGB:
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col1->value.rgb.r = col2->value.rgb.r;
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col1->value.rgb.g = col2->value.rgb.g;
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col1->value.rgb.b = col2->value.rgb.b;
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break;
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default:
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ERR("Unknown colour type %d\n", col1->type);
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return FALSE;
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}
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col1->type = col2->type;
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return TRUE;
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}
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/**********************************************************************
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* PSDRV_CreateColor
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*
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* Creates a PostScript colour from a COLORREF.
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* Result is grey scale if ColorDevice field of ppd is CD_False else an
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* rgb colour is produced.
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*/
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void PSDRV_CreateColor( PHYSDEV dev, PSCOLOR *pscolor, COLORREF wincolor )
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{
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PSDRV_PDEVICE *physDev = get_psdrv_dev( dev );
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int ctype = wincolor >> 24;
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float r, g, b;
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if(ctype != 0 && ctype != 2)
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FIXME("Colour is %08x\n", wincolor);
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r = (wincolor & 0xff) / 256.0;
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g = ((wincolor >> 8) & 0xff) / 256.0;
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b = ((wincolor >> 16) & 0xff) / 256.0;
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if(physDev->pi->ppd->ColorDevice != CD_False) {
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pscolor->type = PSCOLOR_RGB;
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pscolor->value.rgb.r = r;
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pscolor->value.rgb.g = g;
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pscolor->value.rgb.b = b;
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} else {
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pscolor->type = PSCOLOR_GRAY;
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/* FIXME configurable */
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pscolor->value.gray.i = r * 0.3 + g * 0.59 + b * 0.11;
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}
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return;
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}
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/***********************************************************************
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* PSDRV_SetBkColor
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*/
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COLORREF PSDRV_SetBkColor( PHYSDEV dev, COLORREF color )
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{
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PSDRV_PDEVICE *physDev = get_psdrv_dev( dev );
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PSDRV_CreateColor(dev, &physDev->bkColor, color);
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return color;
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}
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/***********************************************************************
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* PSDRV_SetTextColor
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*/
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COLORREF PSDRV_SetTextColor( PHYSDEV dev, COLORREF color )
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{
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PSDRV_PDEVICE *physDev = get_psdrv_dev( dev );
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PSDRV_CreateColor(dev, &physDev->font.color, color);
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physDev->font.set = FALSE;
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return color;
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}
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