OOCombinedEmissionMapGenerator.m File Reference

import "OOCombinedEmissionMapGenerator.h"
import "OOColor.h"
import "OOPixMapChannelOperations.h"
import "OOTextureScaling.h"
import "OOTextureInternal.h"
import "OOMaterialSpecifier.h"
import "OOCollectionExtractors.h"

Include dependency graph for OOCombinedEmissionMapGenerator.m:

Go to the source code of this file.

Classes
category	OOCombinedEmissionMapGenerator(Private)

Macros
#define	DUMP_COMBINER   0
#define	DUMP(pm, label)

Functions
static OOColor *	ModulateColor (OOColor *a, OOColor *b)
static void	ScaleToMatch (OOPixMap *pmA, OOPixMap *pmB)

Macro Definition Documentation

DUMP

#define DUMP	(		pm,
			label )

Value:

do {} while (0)

DUMP_COMBINER

#define DUMP_COMBINER   0

Definition at line 38 of file OOCombinedEmissionMapGenerator.m.

Function Documentation

ModulateColor()

static OOColor * ModulateColor ( OOColor * a, OOColor * b )

static

Definition at line 445 of file OOCombinedEmissionMapGenerator.m.

{
    if (a == nil)  return b;
    if (b == nil)  return a;
    
    OORGBAComponents ac, bc;
    ac = [a rgbaComponents];
    bc = [b rgbaComponents];
    
    ac.r *= bc.r;
    ac.g *= bc.g;
    ac.b *= bc.b;
    ac.a *= bc.a;
    
    return [OOColor colorWithRGBAComponents:ac];
}

References OORGBAComponents::a, OORGBAComponents::b, OOColor::colorWithRGBAComponents:, OORGBAComponents::g, nil, OORGBAComponents::r, and OOColor::rgbaComponents.

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ScaleToMatch()

static void ScaleToMatch ( OOPixMap * pmA, OOPixMap * pmB )

static

Definition at line 463 of file OOCombinedEmissionMapGenerator.m.

{
    NSCParameterAssert(pmA != NULL && pmB != NULL && OOIsValidPixMap(*pmA) && OOIsValidPixMap(*pmB));
    
    OOPixMapDimension minWidth = MIN(pmA->width, pmB->width);
    OOPixMapDimension minHeight = MIN(pmA->height, pmB->height);
    
    if (pmA->width != minWidth || pmA->height != minHeight)
    {
        *pmA = OOScalePixMap(*pmA, minWidth, minHeight, NO);
    }
    if (pmB->width != minWidth || pmB->height != minHeight)
    {
        *pmB = OOScalePixMap(*pmB, minWidth, minHeight, NO);
    }
}