137 lines
3.1 KiB
C
137 lines
3.1 KiB
C
/*
|
|
* PostScript colour functions
|
|
*
|
|
* Copyright 1998 Huw D M Davies
|
|
*
|
|
*/
|
|
|
|
#include "psdrv.h"
|
|
#include "debugtools.h"
|
|
|
|
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( DC *dc, COLORREF color )
|
|
{
|
|
PSDRV_PDEVICE *physDev = (PSDRV_PDEVICE *)dc->physDev;
|
|
COLORREF oldColor;
|
|
|
|
oldColor = dc->w.backgroundColor;
|
|
dc->w.backgroundColor = color;
|
|
|
|
PSDRV_CreateColor(physDev, &physDev->bkColor, color);
|
|
|
|
return oldColor;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* PSDRV_SetTextColor
|
|
*/
|
|
COLORREF PSDRV_SetTextColor( DC *dc, COLORREF color )
|
|
{
|
|
PSDRV_PDEVICE *physDev = (PSDRV_PDEVICE *)dc->physDev;
|
|
COLORREF oldColor;
|
|
|
|
oldColor = dc->w.textColor;
|
|
dc->w.textColor = color;
|
|
|
|
PSDRV_CreateColor(physDev, &physDev->font.color, color);
|
|
physDev->font.set = FALSE;
|
|
return oldColor;
|
|
}
|
|
|