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