2 * PostScript colour functions
4 * Copyright 1998 Huw D M Davies
9 #include "debugtools.h"
11 DEFAULT_DEBUG_CHANNEL(psdrv);
13 /**********************************************************************
16 * Return TRUE if col1 == col2
18 BOOL PSDRV_CmpColor(PSCOLOR *col1, PSCOLOR *col2)
20 if(col1->type != col2->type)
25 if(col1->value.gray.i == col2->value.gray.i)
29 if( col1->value.rgb.r == col2->value.rgb.r &&
30 col1->value.rgb.g == col2->value.rgb.g &&
31 col1->value.rgb.b == col2->value.rgb.b )
35 ERR("Unknown colour type %d\n", col1->type);
41 /**********************************************************************
44 * Copies col2 into col1. Return FALSE on error.
46 BOOL PSDRV_CopyColor(PSCOLOR *col1, PSCOLOR *col2)
51 col1->value.gray.i = col2->value.gray.i;
55 col1->value.rgb.r = col2->value.rgb.r;
56 col1->value.rgb.g = col2->value.rgb.g;
57 col1->value.rgb.b = col2->value.rgb.b;
61 ERR("Unknown colour type %d\n", col1->type);
65 col1->type = col2->type;
70 /**********************************************************************
73 * Creates a PostScript colour from a COLORREF.
74 * Result is grey scale if ColorDevice field of ppd is FALSE else an
75 * rgb colour is produced.
77 void PSDRV_CreateColor( PSDRV_PDEVICE *physDev, PSCOLOR *pscolor,
80 int ctype = wincolor >> 24;
83 if(ctype != 0 && ctype != 2)
84 FIXME("Colour is %08lx\n", wincolor);
86 r = (wincolor & 0xff) / 256.0;
87 g = ((wincolor >> 8) & 0xff) / 256.0;
88 b = ((wincolor >> 16) & 0xff) / 256.0;
90 if(physDev->pi->ppd->ColorDevice) {
91 pscolor->type = PSCOLOR_RGB;
92 pscolor->value.rgb.r = r;
93 pscolor->value.rgb.g = g;
94 pscolor->value.rgb.b = b;
96 pscolor->type = PSCOLOR_GRAY;
97 /* FIXME configurable */
98 pscolor->value.gray.i = r * 0.3 + g * 0.59 + b * 0.11;
104 /***********************************************************************
107 COLORREF PSDRV_SetBkColor( DC *dc, COLORREF color )
109 PSDRV_PDEVICE *physDev = (PSDRV_PDEVICE *)dc->physDev;
112 oldColor = dc->backgroundColor;
113 dc->backgroundColor = color;
115 PSDRV_CreateColor(physDev, &physDev->bkColor, color);
121 /***********************************************************************
124 COLORREF PSDRV_SetTextColor( DC *dc, COLORREF color )
126 PSDRV_PDEVICE *physDev = (PSDRV_PDEVICE *)dc->physDev;
129 oldColor = dc->textColor;
130 dc->textColor = color;
132 PSDRV_CreateColor(physDev, &physDev->font.color, color);
133 physDev->font.set = FALSE;