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/************************************************************************/
/* */
/* Shading. */
/* */
/************************************************************************/
# include "tedConfig.h"
# include <stdlib.h>
# include <string.h>
# include <stdio.h>
# include <appDebugon.h>
# include <appUnit.h>
# include "docBuf.h"
/************************************************************************/
/* */
/* Derive rgb values for a solidly shaded cell. */
/* */
/************************************************************************/
int docGetSolidRgbShadeOfItem( int * pIsSolid,
int * pRed,
int * pGreen,
int * pBlue,
const BufferDocument * bd,
const ItemShading * is )
{
const DocumentProperties * dp= &(bd->bdProperties);
RGB8Color cf;
RGB8Color cb;
int fl= is->isLevel;
int bl= 10000- is->isLevel;
int r;
int g;
int b;
cf.rgb8Red= 0;
cf.rgb8Green= 0;
cf.rgb8Blue= 0;
cb.rgb8Red= 255;
cb.rgb8Green= 255;
cb.rgb8Blue= 255;
if ( is->isPattern != DOCspSOLID )
{ LDEB(is->isPattern); return -1; }
if ( is->isBackColor <= 0 &&
is->isForeColor <= 0 &&
is->isLevel == 0 )
{ *pIsSolid= 0; return 0; }
if ( is->isBackColor > 0 &&
is->isBackColor < dp->dpColorCount )
{ cb= dp->dpColors[is->isBackColor]; }
if ( is->isLevel > 0 )
{
if ( is->isForeColor > 0 &&
is->isForeColor < dp->dpColorCount )
{ cf= dp->dpColors[is->isForeColor]; }
}
else{ cf= cb; }
r= ( fl* cf.rgb8Red+ bl* cb.rgb8Red )/ 10000;
g= ( fl* cf.rgb8Green+ bl* cb.rgb8Green )/ 10000;
b= ( fl* cf.rgb8Blue+ bl* cb.rgb8Blue )/ 10000;
if ( r == 255 && g == 255 && b == 255 )
{ *pIsSolid= 0; }
else{
*pIsSolid= 1;
*pRed= r;
*pGreen= g;
*pBlue= b;
}
return 0;
}
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