/*
- Copyright 1999-2011 ImageMagick Studio LLC, a non-profit organization
+ Copyright 1999-2017 ImageMagick Studio LLC, a non-profit organization
dedicated to making software imaging solutions freely available.
You may not use this file except in compliance with the License.
obtain a copy of the License at
- http://www.imagemagick.org/script/license.php
+ https://www.imagemagick.org/script/license.php
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
MagickCore pixel accessor methods.
*/
-#ifndef _MAGICKCORE_PIXEL_ACCESSOR_H
-#define _MAGICKCORE_PIXEL_ACCESSOR_H
+#ifndef MAGICKCORE_PIXEL_ACCESSOR_H
+#define MAGICKCORE_PIXEL_ACCESSOR_H
+
+#include <assert.h>
+#include "MagickCore/cache.h"
+#include "MagickCore/cache-view.h"
+#include "MagickCore/color.h"
+#include "MagickCore/colorspace.h"
+#include "MagickCore/gem.h"
+#include "MagickCore/image.h"
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
-#include <math.h>
-#include <MagickCore/cache-view.h>
-#include <MagickCore/color.h>
-#include <MagickCore/image.h>
-
#undef index
-static inline Quantum GetPixelAlpha(const Image *restrict image,
- const Quantum *restrict pixel)
+static inline Quantum ClampPixel(const MagickRealType value)
+{
+ if (value < 0.0f)
+ return((Quantum) 0);
+ if (value >= (MagickRealType) QuantumRange)
+ return((Quantum) QuantumRange);
+#if !defined(MAGICKCORE_HDRI_SUPPORT)
+ return((Quantum) (value+0.5f));
+#else
+ return((Quantum) value);
+#endif
+}
+
+static inline Quantum GetPixela(const Image *magick_restrict image,
+ const Quantum *magick_restrict pixel)
+{
+ return(pixel[image->channel_map[aPixelChannel].offset]);
+}
+
+static inline Quantum GetPixelAlpha(const Image *magick_restrict image,
+ const Quantum *magick_restrict pixel)
{
if (image->channel_map[AlphaPixelChannel].traits == UndefinedPixelTrait)
return(OpaqueAlpha);
return(pixel[image->channel_map[AlphaPixelChannel].offset]);
}
-static inline PixelTrait GetPixelAlphaTraits(const Image *restrict image)
+static inline PixelTrait GetPixelAlphaTraits(
+ const Image *magick_restrict image)
{
return(image->channel_map[AlphaPixelChannel].traits);
}
-static inline Quantum GetPixelBlack(const Image *restrict image,
- const Quantum *restrict pixel)
+static inline Quantum GetPixelb(const Image *magick_restrict image,
+ const Quantum *magick_restrict pixel)
+{
+ return(pixel[image->channel_map[bPixelChannel].offset]);
+}
+
+static inline Quantum GetPixelBlack(const Image *magick_restrict image,
+ const Quantum *magick_restrict pixel)
{
if (image->channel_map[BlackPixelChannel].traits == UndefinedPixelTrait)
- return(0);
+ return((Quantum) 0);
return(pixel[image->channel_map[BlackPixelChannel].offset]);
}
-static inline PixelTrait GetPixelBlackTraits(const Image *restrict image)
+static inline PixelTrait GetPixelBlackTraits(
+ const Image *magick_restrict image)
{
return(image->channel_map[BlackPixelChannel].traits);
}
-static inline Quantum GetPixelBlue(const Image *restrict image,
- const Quantum *restrict pixel)
+static inline Quantum GetPixelBlue(const Image *magick_restrict image,
+ const Quantum *magick_restrict pixel)
{
return(pixel[image->channel_map[BluePixelChannel].offset]);
}
-static inline PixelTrait GetPixelBlueTraits(const Image *restrict image)
+static inline PixelTrait GetPixelBlueTraits(const Image *magick_restrict image)
{
return(image->channel_map[BluePixelChannel].traits);
}
-static inline Quantum GetPixelCb(const Image *restrict image,
- const Quantum *restrict pixel)
+static inline Quantum GetPixelCb(const Image *magick_restrict image,
+ const Quantum *magick_restrict pixel)
{
return(pixel[image->channel_map[CbPixelChannel].offset]);
}
-static inline PixelTrait GetPixelCbTraits(const Image *restrict image)
+static inline PixelTrait GetPixelCbTraits(const Image *magick_restrict image)
{
return(image->channel_map[CbPixelChannel].traits);
}
-static inline Quantum GetPixelChannel(const Image *restrict image,
- const PixelChannel channel,const Quantum *restrict pixel)
+static inline Quantum GetPixelChannel(const Image *magick_restrict image,
+ const PixelChannel channel,const Quantum *magick_restrict pixel)
{
if (image->channel_map[channel].traits == UndefinedPixelTrait)
- return(0);
+ return((Quantum) 0);
return(pixel[image->channel_map[channel].offset]);
}
-static inline PixelChannel GetPixelChannelMapChannel(
- const Image *restrict image,const ssize_t offset)
+static inline PixelChannel GetPixelChannelChannel(
+ const Image *magick_restrict image,const ssize_t offset)
{
return(image->channel_map[offset].channel);
}
-static inline ssize_t GetPixelChannelMapOffset(const Image *restrict image,
+static inline ssize_t GetPixelChannelOffset(const Image *magick_restrict image,
const PixelChannel channel)
{
return(image->channel_map[channel].offset);
}
-static inline PixelTrait GetPixelChannelMapTraits(const Image *restrict image,
- const PixelChannel channel)
+static inline PixelTrait GetPixelChannelTraits(
+ const Image *magick_restrict image,const PixelChannel channel)
{
return(image->channel_map[channel].traits);
}
-static inline size_t GetPixelChannels(const Image *restrict image)
+static inline size_t GetPixelChannels(const Image *magick_restrict image)
{
return(image->number_channels);
}
-static inline Quantum GetPixelCr(const Image *restrict image,
- const Quantum *restrict pixel)
+static inline Quantum GetPixelCr(const Image *magick_restrict image,
+ const Quantum *magick_restrict pixel)
{
return(pixel[image->channel_map[CrPixelChannel].offset]);
}
-static inline PixelTrait GetPixelCrTraits(const Image *restrict image)
+static inline PixelTrait GetPixelCrTraits(const Image *magick_restrict image)
{
return(image->channel_map[CrPixelChannel].traits);
}
-static inline Quantum GetPixelCyan(const Image *restrict image,
- const Quantum *restrict pixel)
+static inline Quantum GetPixelCyan(const Image *magick_restrict image,
+ const Quantum *magick_restrict pixel)
{
return(pixel[image->channel_map[CyanPixelChannel].offset]);
}
-static inline PixelTrait GetPixelCyanTraits(const Image *restrict image)
+static inline PixelTrait GetPixelCyanTraits(const Image *magick_restrict image)
{
return(image->channel_map[CyanPixelChannel].traits);
}
-static inline Quantum GetPixelGray(const Image *restrict image,
- const Quantum *restrict pixel)
+static inline Quantum GetPixelGray(const Image *magick_restrict image,
+ const Quantum *magick_restrict pixel)
{
return(pixel[image->channel_map[GrayPixelChannel].offset]);
}
-static inline PixelTrait GetPixelGrayTraits(const Image *restrict image)
+static inline PixelTrait GetPixelGrayTraits(const Image *magick_restrict image)
{
return(image->channel_map[GrayPixelChannel].traits);
}
-static inline Quantum GetPixelGreen(const Image *restrict image,
- const Quantum *restrict pixel)
+static inline Quantum GetPixelGreen(const Image *magick_restrict image,
+ const Quantum *magick_restrict pixel)
{
return(pixel[image->channel_map[GreenPixelChannel].offset]);
}
-static inline PixelTrait GetPixelGreenTraits(const Image *restrict image)
+static inline PixelTrait GetPixelGreenTraits(
+ const Image *magick_restrict image)
{
return(image->channel_map[GreenPixelChannel].traits);
}
-static inline Quantum GetPixelIndex(const Image *restrict image,
- const Quantum *restrict pixel)
+static inline Quantum GetPixelIndex(const Image *magick_restrict image,
+ const Quantum *magick_restrict pixel)
{
if (image->channel_map[IndexPixelChannel].traits == UndefinedPixelTrait)
- return(0);
+ return((Quantum) 0);
return(pixel[image->channel_map[IndexPixelChannel].offset]);
}
-static inline PixelTrait GetPixelIndexTraits(const Image *restrict image)
+static inline PixelTrait GetPixelIndexTraits(
+ const Image *magick_restrict image)
{
return(image->channel_map[IndexPixelChannel].traits);
}
-static inline Quantum GetPixelInfoIntensity(
- const PixelInfo *restrict pixel_info)
+static inline MagickRealType GetPixelInfoChannel(
+ const PixelInfo *magick_restrict pixel_info,const PixelChannel channel)
{
-#if !defined(MAGICKCORE_HDRI_SUPPORT)
- return((Quantum) (0.299*pixel_info->red+0.587*pixel_info->green+0.114*
- pixel_info->blue+0.5));
-#else
- return((Quantum) (0.299*pixel_info->red+0.587*pixel_info->green+0.114*
- pixel_info->blue));
-#endif
+ switch (channel)
+ {
+ case RedPixelChannel: return(pixel_info->red);
+ case GreenPixelChannel: return(pixel_info->green);
+ case BluePixelChannel: return(pixel_info->blue);
+ case BlackPixelChannel: return(pixel_info->black);
+ case AlphaPixelChannel: return(pixel_info->alpha);
+ case IndexPixelChannel: return(pixel_info->index);
+ default: return((MagickRealType) 0.0);
+ }
}
-static inline Quantum GetPixelInfoLuminance(
- const PixelInfo *restrict pixel_info)
+static inline double PerceptibleReciprocal(const double x)
{
- Quantum
- luminance;
+ double
+ sign;
-#if !defined(MAGICKCORE_HDRI_SUPPORT)
- luminance=(Quantum) (0.21267*pixel_info->red+0.71516*pixel_info->green+
- 0.07217*pixel_info->blue+0.5);
-#else
- luminance=(Quantum) (0.21267*pixel_info->red+0.71516*pixel_info->green+
- 0.07217*pixel_info->blue);
-#endif
- return((Quantum) luminance);
+ /*
+ Return 1/x where x is perceptible (not unlimited or infinitesimal).
+ */
+ sign=x < 0.0 ? -1.0 : 1.0;
+ if ((sign*x) >= MagickEpsilon)
+ return(1.0/x);
+ return(sign/MagickEpsilon);
+}
+
+static inline MagickRealType GetPixelInfoLuma(
+ const PixelInfo *magick_restrict pixel)
+{
+ MagickRealType
+ intensity;
+
+ if (pixel->colorspace == sRGBColorspace)
+ {
+ intensity=(MagickRealType) (0.212656f*pixel->red+0.715158f*pixel->green+
+ 0.072186f*pixel->blue);
+ return(intensity);
+ }
+ intensity=(MagickRealType) (0.212656f*EncodePixelGamma(pixel->red)+
+ 0.715158f*EncodePixelGamma(pixel->green)+
+ 0.072186f*EncodePixelGamma(pixel->blue));
+ return(intensity);
+}
+
+static inline MagickRealType GetPixelInfoLuminance(
+ const PixelInfo *magick_restrict pixel)
+{
+ MagickRealType
+ intensity;
+
+ if (pixel->colorspace != sRGBColorspace)
+ {
+ intensity=(MagickRealType) (0.212656f*pixel->red+0.715158f*pixel->green+
+ 0.072186f*pixel->blue);
+ return(intensity);
+ }
+ intensity=(MagickRealType) (0.212656f*DecodePixelGamma(pixel->red)+
+ 0.715158f*DecodePixelGamma(pixel->green)+
+ 0.072186f*DecodePixelGamma(pixel->blue));
+ return(intensity);
+}
+
+static inline Quantum GetPixelL(const Image *magick_restrict image,
+ const Quantum *magick_restrict pixel)
+{
+ return(pixel[image->channel_map[LPixelChannel].offset]);
+}
+
+static inline ssize_t GetPixelLabel(const Image *magick_restrict image,
+ const Quantum *magick_restrict pixel)
+{
+ return((ssize_t) pixel[image->channel_map[LabelPixelChannel].offset]);
+}
+
+static inline MagickRealType GetPixelLuma(const Image *magick_restrict image,
+ const Quantum *magick_restrict pixel)
+{
+ MagickRealType
+ intensity;
+
+ intensity=(MagickRealType) (
+ 0.212656f*pixel[image->channel_map[RedPixelChannel].offset]+
+ 0.715158f*pixel[image->channel_map[GreenPixelChannel].offset]+
+ 0.072186f*pixel[image->channel_map[BluePixelChannel].offset]);
+ return(intensity);
}
-static inline Quantum GetPixelMagenta(const Image *restrict image,
- const Quantum *restrict pixel)
+static inline MagickRealType GetPixelLuminance(
+ const Image *magick_restrict image,const Quantum *magick_restrict pixel)
+{
+ MagickRealType
+ intensity;
+
+ if (image->colorspace != sRGBColorspace)
+ {
+ intensity=(MagickRealType) (
+ 0.212656f*pixel[image->channel_map[RedPixelChannel].offset]+
+ 0.715158f*pixel[image->channel_map[GreenPixelChannel].offset]+
+ 0.072186f*pixel[image->channel_map[BluePixelChannel].offset]);
+ return(intensity);
+ }
+ intensity=(MagickRealType) (0.212656f*DecodePixelGamma((MagickRealType)
+ pixel[image->channel_map[RedPixelChannel].offset])+0.715158f*
+ DecodePixelGamma((MagickRealType)
+ pixel[image->channel_map[GreenPixelChannel].offset])+0.072186f*
+ DecodePixelGamma((MagickRealType)
+ pixel[image->channel_map[BluePixelChannel].offset]));
+ return(intensity);
+}
+
+static inline Quantum GetPixelMagenta(const Image *magick_restrict image,
+ const Quantum *magick_restrict pixel)
{
return(pixel[image->channel_map[MagentaPixelChannel].offset]);
}
-static inline PixelTrait GetPixelMagentaTraits(const Image *restrict image)
+static inline PixelTrait GetPixelMagentaTraits(
+ const Image *magick_restrict image)
{
return(image->channel_map[MagentaPixelChannel].traits);
}
-static inline size_t GetPixelMetaChannels(const Image *restrict image)
+static inline Quantum GetPixelReadMask(const Image *magick_restrict image,
+ const Quantum *magick_restrict pixel)
+{
+ if (image->channel_map[ReadMaskPixelChannel].traits == UndefinedPixelTrait)
+ return((Quantum) QuantumRange);
+ return(pixel[image->channel_map[ReadMaskPixelChannel].offset]);
+}
+
+static inline Quantum GetPixelWriteMask(const Image *magick_restrict image,
+ const Quantum *magick_restrict pixel)
+{
+ if (image->channel_map[WriteMaskPixelChannel].traits == UndefinedPixelTrait)
+ return((Quantum) QuantumRange);
+ return(pixel[image->channel_map[WriteMaskPixelChannel].offset]);
+}
+
+static inline PixelTrait GetPixelReadMaskTraits(
+ const Image *magick_restrict image)
+{
+ return(image->channel_map[ReadMaskPixelChannel].traits);
+}
+
+static inline size_t GetPixelMetaChannels(const Image *magick_restrict image)
{
return(image->number_meta_channels);
}
-static inline size_t GetPixelMetacontentExtent(const Image *restrict image)
+static inline size_t GetPixelMetacontentExtent(
+ const Image *magick_restrict image)
{
return(image->metacontent_extent);
}
-static inline Quantum GetPixelRed(const Image *restrict image,
- const Quantum *restrict pixel)
+static inline Quantum GetPixelOpacity(const Image *magick_restrict image,
+ const Quantum *magick_restrict pixel)
+{
+ if (image->channel_map[AlphaPixelChannel].traits != BlendPixelTrait)
+ return(QuantumRange-OpaqueAlpha);
+ return(QuantumRange-pixel[image->channel_map[AlphaPixelChannel].offset]);
+}
+
+static inline Quantum GetPixelRed(const Image *magick_restrict image,
+ const Quantum *magick_restrict pixel)
{
return(pixel[image->channel_map[RedPixelChannel].offset]);
}
-static inline PixelTrait GetPixelRedTraits(const Image *restrict image)
+static inline PixelTrait GetPixelRedTraits(const Image *magick_restrict image)
{
return(image->channel_map[RedPixelChannel].traits);
}
-static inline void GetPixelInfoPixel(const Image *restrict image,
- const Quantum *restrict pixel,PixelInfo *restrict pixel_info)
+static inline void GetPixelInfoPixel(const Image *magick_restrict image,
+ const Quantum *magick_restrict pixel,PixelInfo *magick_restrict pixel_info)
{
+ pixel_info->storage_class=image->storage_class;
+ pixel_info->colorspace=image->colorspace;
+ pixel_info->fuzz=image->fuzz;
+ pixel_info->depth=image->depth;
pixel_info->red=(MagickRealType)
pixel[image->channel_map[RedPixelChannel].offset];
pixel_info->green=(MagickRealType)
pixel[image->channel_map[GreenPixelChannel].offset];
pixel_info->blue=(MagickRealType)
pixel[image->channel_map[BluePixelChannel].offset];
- pixel_info->black=0;
+ pixel_info->black=0.0f;
if (image->channel_map[BlackPixelChannel].traits != UndefinedPixelTrait)
pixel_info->black=(MagickRealType)
pixel[image->channel_map[BlackPixelChannel].offset];
- pixel_info->alpha=OpaqueAlpha;
+ pixel_info->alpha=(MagickRealType) OpaqueAlpha;
+ pixel_info->alpha_trait=UndefinedPixelTrait;
if (image->channel_map[AlphaPixelChannel].traits != UndefinedPixelTrait)
- pixel_info->alpha=(MagickRealType)
- pixel[image->channel_map[AlphaPixelChannel].offset];
- pixel_info->index=0;
+ {
+ pixel_info->alpha=(MagickRealType)
+ pixel[image->channel_map[AlphaPixelChannel].offset];
+ pixel_info->alpha_trait=BlendPixelTrait;
+ }
+ pixel_info->index=0.0f;
if (image->channel_map[IndexPixelChannel].traits != UndefinedPixelTrait)
pixel_info->index=(MagickRealType)
pixel[image->channel_map[IndexPixelChannel].offset];
+ pixel_info->count=0;
}
-static inline PixelTrait GetPixelTraits(const Image *restrict image,
+static inline PixelTrait GetPixelTraits(const Image *magick_restrict image,
const PixelChannel channel)
{
return(image->channel_map[channel].traits);
}
-static inline Quantum GetPixelY(const Image *restrict image,
- const Quantum *restrict pixel)
+static inline Quantum GetPixelY(const Image *magick_restrict image,
+ const Quantum *magick_restrict pixel)
{
return(pixel[image->channel_map[YPixelChannel].offset]);
}
-static inline PixelTrait GetPixelYTraits(const Image *restrict image)
+static inline PixelTrait GetPixelYTraits(const Image *magick_restrict image)
{
return(image->channel_map[YPixelChannel].traits);
}
-static inline Quantum GetPixelYellow(const Image *restrict image,
- const Quantum *restrict pixel)
+static inline Quantum GetPixelYellow(const Image *magick_restrict image,
+ const Quantum *magick_restrict pixel)
{
return(pixel[image->channel_map[YellowPixelChannel].offset]);
}
-static inline PixelTrait GetPixelYellowTraits(const Image *restrict image)
+static inline PixelTrait GetPixelYellowTraits(
+ const Image *magick_restrict image)
{
return(image->channel_map[YellowPixelChannel].traits);
}
-static inline MagickBooleanType IsPixelEquivalent(const Image *restrict image,
- const Quantum *restrict p,const PixelInfo *restrict q)
+static inline MagickRealType AbsolutePixelValue(const MagickRealType x)
{
- if (((double) p[image->channel_map[RedPixelChannel].offset] == q->red) &&
- ((double) p[image->channel_map[GreenPixelChannel].offset] == q->green) &&
- ((double) p[image->channel_map[BluePixelChannel].offset] == q->blue))
- return(MagickTrue);
- return(MagickFalse);
+ return(x < 0.0f ? -x : x);
}
-static inline MagickBooleanType IsPixelGray(const Image *restrict image,
- const Quantum *restrict pixel)
+static inline MagickBooleanType IsPixelAtDepth(const Quantum pixel,
+ const QuantumAny range)
{
+ Quantum
+ quantum;
+
#if !defined(MAGICKCORE_HDRI_SUPPORT)
- if ((pixel[image->channel_map[RedPixelChannel].offset] ==
- pixel[image->channel_map[GreenPixelChannel].offset]) &&
- (pixel[image->channel_map[GreenPixelChannel].offset] ==
- pixel[image->channel_map[BluePixelChannel].offset]))
- return(MagickTrue);
+ quantum=(Quantum) (((MagickRealType) QuantumRange*((QuantumAny)
+ (((MagickRealType) range*pixel)/QuantumRange+0.5)))/range+0.5);
#else
- {
- double
- alpha,
- beta;
-
- alpha=pixel[image->channel_map[RedPixelChannel].offset]-(double)
- pixel[image->channel_map[GreenPixelChannel].offset];
- beta=pixel[image->channel_map[GreenPixelChannel].offset]-(double)
- pixel[image->channel_map[BluePixelChannel].offset];
- if ((fabs(alpha) <= MagickEpsilon) && (fabs(beta) <= MagickEpsilon))
- return(MagickTrue);
- }
+ quantum=(Quantum) (((MagickRealType) QuantumRange*((QuantumAny)
+ (((MagickRealType) range*pixel)/QuantumRange+0.5)))/range);
#endif
+ return(pixel == quantum ? MagickTrue : MagickFalse);
+}
+
+static inline MagickBooleanType IsPixelEquivalent(
+ const Image *magick_restrict image,const Quantum *magick_restrict p,
+ const PixelInfo *magick_restrict q)
+{
+ MagickRealType
+ value;
+
+ value=(MagickRealType) p[image->channel_map[AlphaPixelChannel].offset];
+ if ((image->alpha_trait != UndefinedPixelTrait) &&
+ (q->alpha_trait == UndefinedPixelTrait) &&
+ (AbsolutePixelValue(value-OpaqueAlpha) >= MagickEpsilon))
+ return(MagickFalse);
+ if ((q->alpha_trait != UndefinedPixelTrait) &&
+ (image->alpha_trait == UndefinedPixelTrait) &&
+ (AbsolutePixelValue(q->alpha-OpaqueAlpha)) >= MagickEpsilon)
+ return(MagickFalse);
+ if ((image->alpha_trait != UndefinedPixelTrait) &&
+ (q->alpha_trait != UndefinedPixelTrait))
+ {
+ if (AbsolutePixelValue(value-q->alpha) >= MagickEpsilon)
+ return(MagickFalse);
+ if (AbsolutePixelValue(value-TransparentAlpha) < MagickEpsilon)
+ return(MagickTrue);
+ }
+ value=(MagickRealType) p[image->channel_map[RedPixelChannel].offset];
+ if (AbsolutePixelValue(value-q->red) >= MagickEpsilon)
+ return(MagickFalse);
+ value=(MagickRealType) p[image->channel_map[GreenPixelChannel].offset];
+ if (AbsolutePixelValue(value-q->green) >= MagickEpsilon)
+ return(MagickFalse);
+ value=(MagickRealType) p[image->channel_map[BluePixelChannel].offset];
+ if (AbsolutePixelValue(value-q->blue) >= MagickEpsilon)
+ return(MagickFalse);
+ if (image->colorspace == CMYKColorspace)
+ {
+ value=(MagickRealType) p[image->channel_map[BlackPixelChannel].offset];
+ if (AbsolutePixelValue(value-q->black) >= MagickEpsilon)
+ return(MagickFalse);
+ }
+ return(MagickTrue);
+}
+
+static inline MagickBooleanType IsPixelGray(const Image *magick_restrict image,
+ const Quantum *magick_restrict pixel)
+{
+ MagickRealType
+ green_blue,
+ red_green;
+
+ red_green=(MagickRealType) pixel[image->channel_map[RedPixelChannel].offset]-
+ pixel[image->channel_map[GreenPixelChannel].offset];
+ green_blue=(MagickRealType)
+ pixel[image->channel_map[GreenPixelChannel].offset]-
+ pixel[image->channel_map[BluePixelChannel].offset];
+ if ((AbsolutePixelValue(red_green) < MagickEpsilon) &&
+ (AbsolutePixelValue(green_blue) < MagickEpsilon))
+ return(MagickTrue);
return(MagickFalse);
}
static inline MagickBooleanType IsPixelInfoEquivalent(
- const PixelInfo *restrict p,const PixelInfo *restrict q)
+ const PixelInfo *magick_restrict p,const PixelInfo *magick_restrict q)
{
- if ((p->matte != MagickFalse) && (q->matte == MagickFalse) &&
- (fabs(p->alpha-OpaqueAlpha) > 0.5))
+ if ((p->alpha_trait != UndefinedPixelTrait) &&
+ (q->alpha_trait == UndefinedPixelTrait) &&
+ (AbsolutePixelValue(p->alpha-OpaqueAlpha) >= MagickEpsilon))
return(MagickFalse);
- if ((q->matte != MagickFalse) && (p->matte == MagickFalse) &&
- (fabs(q->alpha-OpaqueAlpha)) > 0.5)
+ if ((q->alpha_trait != UndefinedPixelTrait) &&
+ (p->alpha_trait == UndefinedPixelTrait) &&
+ (AbsolutePixelValue(q->alpha-OpaqueAlpha)) >= MagickEpsilon)
return(MagickFalse);
- if ((p->matte != MagickFalse) && (q->matte != MagickFalse))
+ if ((p->alpha_trait != UndefinedPixelTrait) &&
+ (q->alpha_trait != UndefinedPixelTrait))
{
- if (fabs(p->alpha-q->alpha) > 0.5)
+ if (AbsolutePixelValue(p->alpha-q->alpha) >= MagickEpsilon)
return(MagickFalse);
- if (fabs(p->alpha-TransparentAlpha) <= 0.5)
+ if (AbsolutePixelValue(p->alpha-TransparentAlpha) < MagickEpsilon)
return(MagickTrue);
}
- if (fabs(p->red-q->red) > 0.5)
+ if (AbsolutePixelValue(p->red-q->red) >= MagickEpsilon)
return(MagickFalse);
- if (fabs(p->green-q->green) > 0.5)
+ if (AbsolutePixelValue(p->green-q->green) >= MagickEpsilon)
return(MagickFalse);
- if (fabs(p->blue-q->blue) > 0.5)
+ if (AbsolutePixelValue(p->blue-q->blue) >= MagickEpsilon)
return(MagickFalse);
- if ((p->colorspace == CMYKColorspace) && (fabs(p->black-q->black) > 0.5))
+ if ((p->colorspace == CMYKColorspace) &&
+ (AbsolutePixelValue(p->black-q->black) >= MagickEpsilon))
return(MagickFalse);
return(MagickTrue);
}
-static inline MagickBooleanType IsPixelMonochrome(const Image *restrict image,
- const Quantum *restrict pixel)
+static inline MagickBooleanType IsPixelMonochrome(
+ const Image *magick_restrict image,const Quantum *magick_restrict pixel)
{
-#if !defined(MAGICKCORE_HDRI_SUPPORT)
- if (((pixel[image->channel_map[RedPixelChannel].offset] == 0) ||
- (pixel[image->channel_map[RedPixelChannel].offset] == (Quantum) QuantumRange)) &&
- (pixel[image->channel_map[RedPixelChannel].offset] ==
- pixel[image->channel_map[GreenPixelChannel].offset]) &&
- (pixel[image->channel_map[GreenPixelChannel].offset] ==
- pixel[image->channel_map[BluePixelChannel].offset]))
+ MagickRealType
+ green_blue,
+ red,
+ red_green;
+
+ red=(MagickRealType) pixel[image->channel_map[RedPixelChannel].offset];
+ if ((AbsolutePixelValue(red) >= MagickEpsilon) &&
+ (AbsolutePixelValue(red-QuantumRange) >= MagickEpsilon))
+ return(MagickFalse);
+ red_green=(MagickRealType) pixel[image->channel_map[RedPixelChannel].offset]-
+ pixel[image->channel_map[GreenPixelChannel].offset];
+ green_blue=(MagickRealType)
+ pixel[image->channel_map[GreenPixelChannel].offset]-
+ pixel[image->channel_map[BluePixelChannel].offset];
+ if ((AbsolutePixelValue(red_green) < MagickEpsilon) &&
+ (AbsolutePixelValue(green_blue) < MagickEpsilon))
return(MagickTrue);
-#else
- {
- double
- alpha,
- beta;
-
- alpha=pixel[image->channel_map[RedPixelChannel].offset]-(double)
- pixel[image->channel_map[GreenPixelChannel].offset];
- beta=pixel[image->channel_map[GreenPixelChannel].offset]-(double)
- pixel[image->channel_map[BluePixelChannel].offset];
- if (((fabs(pixel[image->channel_map[RedPixelChannel].offset]) <= MagickEpsilon) ||
- (fabs(pixel[image->channel_map[RedPixelChannel].offset]-QuantumRange) <= MagickEpsilon)) &&
- (fabs(alpha) <= MagickEpsilon) && (fabs(beta) <= MagickEpsilon))
- return(MagickTrue);
- }
-#endif
return(MagickFalse);
}
static inline MagickBooleanType IsPixelInfoGray(
- const PixelInfo *restrict pixel_info)
+ const PixelInfo *magick_restrict pixel)
{
-#if !defined(MAGICKCORE_HDRI_SUPPORT)
- if ((pixel_info->red == pixel_info->green) &&
- (pixel_info->green == pixel_info->blue))
+ if ((AbsolutePixelValue(pixel->red-pixel->green) < MagickEpsilon) &&
+ (AbsolutePixelValue(pixel->green-pixel->blue) < MagickEpsilon))
return(MagickTrue);
-#else
- {
- double
- alpha,
- beta;
-
- alpha=pixel_info->red-(double) pixel_info->green;
- beta=pixel_info->green-(double) pixel_info->blue;
- if ((fabs(alpha) <= MagickEpsilon) && (fabs(beta) <= MagickEpsilon))
- return(MagickTrue);
- }
-#endif
return(MagickFalse);
}
static inline MagickBooleanType IsPixelInfoMonochrome(
- const PixelInfo *restrict pixel_info)
+ const PixelInfo *magick_restrict pixel_info)
{
-#if !defined(MAGICKCORE_HDRI_SUPPORT)
- if (((pixel_info->red == 0) || (pixel_info->red == (Quantum) QuantumRange)) &&
- (pixel_info->red == pixel_info->green) &&
- (pixel_info->green == pixel_info->blue))
+ MagickRealType
+ green_blue,
+ red_green;
+
+ if ((AbsolutePixelValue(pixel_info->red) >= MagickEpsilon) ||
+ (AbsolutePixelValue(pixel_info->red-QuantumRange) >= MagickEpsilon))
+ return(MagickFalse);
+ red_green=pixel_info->red-pixel_info->green;
+ green_blue=pixel_info->green-pixel_info->blue;
+ if ((AbsolutePixelValue(red_green) < MagickEpsilon) &&
+ (AbsolutePixelValue(green_blue) < MagickEpsilon))
return(MagickTrue);
-#else
- {
- double
- alpha,
- beta;
-
- alpha=pixel_info->red-(double) pixel_info->green;
- beta=pixel_info->green-(double) pixel_info->blue;
- if (((fabs(pixel_info->red) <= MagickEpsilon) ||
- (fabs(pixel_info->red-QuantumRange) <= MagickEpsilon)) &&
- (fabs(alpha) <= MagickEpsilon) && (fabs(beta) <= MagickEpsilon))
- return(MagickTrue);
- }
-#endif
return(MagickFalse);
}
-static inline void SetPixelAlpha(const Image *restrict image,
- const Quantum alpha,Quantum *restrict pixel)
+static inline void SetPixela(const Image *magick_restrict image,
+ const Quantum a,Quantum *magick_restrict pixel)
+{
+ if (image->channel_map[aPixelChannel].traits != UndefinedPixelTrait)
+ pixel[image->channel_map[aPixelChannel].offset]=a;
+}
+
+static inline void SetPixelAlpha(const Image *magick_restrict image,
+ const Quantum alpha,Quantum *magick_restrict pixel)
{
if (image->channel_map[AlphaPixelChannel].traits != UndefinedPixelTrait)
pixel[image->channel_map[AlphaPixelChannel].offset]=alpha;
image->channel_map[AlphaPixelChannel].traits=traits;
}
-static inline void SetPixelBlack(const Image *restrict image,
- const Quantum black,Quantum *restrict pixel)
+static inline void SetPixelb(const Image *magick_restrict image,
+ const Quantum b,Quantum *magick_restrict pixel)
+{
+ if (image->channel_map[bPixelChannel].traits != UndefinedPixelTrait)
+ pixel[image->channel_map[bPixelChannel].offset]=b;
+}
+
+static inline void SetPixelBackgoundColor(const Image *magick_restrict image,
+ Quantum *magick_restrict pixel)
+{
+ register ssize_t
+ i;
+
+ for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
+ pixel[i]=(Quantum) 0;
+ pixel[image->channel_map[RedPixelChannel].offset]=
+ ClampToQuantum(image->background_color.red);
+ pixel[image->channel_map[GreenPixelChannel].offset]=
+ ClampToQuantum(image->background_color.green);
+ pixel[image->channel_map[BluePixelChannel].offset]=
+ ClampToQuantum(image->background_color.blue);
+ if (image->channel_map[BlackPixelChannel].traits != UndefinedPixelTrait)
+ pixel[image->channel_map[BlackPixelChannel].offset]=
+ ClampToQuantum(image->background_color.black);
+ if (image->channel_map[AlphaPixelChannel].traits != UndefinedPixelTrait)
+ pixel[image->channel_map[AlphaPixelChannel].offset]=
+ image->background_color.alpha_trait == UndefinedPixelTrait ? OpaqueAlpha :
+ ClampToQuantum(image->background_color.alpha);
+}
+
+static inline void SetPixelBlack(const Image *magick_restrict image,
+ const Quantum black,Quantum *magick_restrict pixel)
{
if (image->channel_map[BlackPixelChannel].traits != UndefinedPixelTrait)
pixel[image->channel_map[BlackPixelChannel].offset]=black;
image->channel_map[BlackPixelChannel].traits=traits;
}
-static inline void SetPixelBlue(const Image *restrict image,const Quantum blue,
- Quantum *restrict pixel)
+static inline void SetPixelBlue(const Image *magick_restrict image,
+ const Quantum blue,Quantum *magick_restrict pixel)
{
pixel[image->channel_map[BluePixelChannel].offset]=blue;
}
image->channel_map[BluePixelChannel].traits=traits;
}
-static inline void SetPixelCb(const Image *restrict image,const Quantum cb,
- Quantum *restrict pixel)
+static inline void SetPixelCb(const Image *magick_restrict image,
+ const Quantum cb,Quantum *magick_restrict pixel)
{
pixel[image->channel_map[CbPixelChannel].offset]=cb;
}
image->channel_map[CbPixelChannel].traits=traits;
}
-static inline void SetPixelChannel(const Image *restrict image,
- const PixelChannel channel,const Quantum quantum,Quantum *restrict pixel)
+static inline void SetPixelChannel(const Image *magick_restrict image,
+ const PixelChannel channel,const Quantum quantum,
+ Quantum *magick_restrict pixel)
{
if (image->channel_map[channel].traits != UndefinedPixelTrait)
pixel[image->channel_map[channel].offset]=quantum;
}
-static inline void SetPixelChannelMapChannel(const Image *restrict image,
- const PixelChannel channel,const ssize_t offset)
+static inline void SetPixelChannelAttributes(
+ const Image *magick_restrict image,const PixelChannel channel,
+ const PixelTrait traits,const ssize_t offset)
{
+ assert((ssize_t) channel < MaxPixelChannels);
+ assert(offset < MaxPixelChannels);
image->channel_map[offset].channel=channel;
image->channel_map[channel].offset=offset;
+ image->channel_map[channel].traits=traits;
}
-static inline void SetPixelChannelMap(const Image *restrict image,
- const PixelChannel channel,const PixelTrait traits,const ssize_t offset)
+static inline void SetPixelChannelChannel(const Image *magick_restrict image,
+ const PixelChannel channel,const ssize_t offset)
{
image->channel_map[offset].channel=channel;
image->channel_map[channel].offset=offset;
- image->channel_map[channel].traits=traits;
}
static inline void SetPixelChannels(Image *image,const size_t number_channels)
image->channel_map[channel].traits=traits;
}
-static inline void SetPixelChannelMapTraits(Image *image,
- const PixelChannel channel,const PixelTrait traits)
-{
- image->channel_map[channel].traits=traits;
-}
-
-static inline void SetPixelCr(const Image *restrict image,const Quantum cr,
- Quantum *restrict pixel)
+static inline void SetPixelCr(const Image *magick_restrict image,
+ const Quantum cr,Quantum *magick_restrict pixel)
{
pixel[image->channel_map[CrPixelChannel].offset]=cr;
}
image->channel_map[CrPixelChannel].traits=traits;
}
-static inline void SetPixelCyan(const Image *restrict image,const Quantum cyan,
- Quantum *restrict pixel)
+static inline void SetPixelCyan(const Image *magick_restrict image,
+ const Quantum cyan,Quantum *magick_restrict pixel)
{
pixel[image->channel_map[CyanPixelChannel].offset]=cyan;
}
-static inline void SetPixelGray(const Image *restrict image,const Quantum gray,
- Quantum *restrict pixel)
+static inline void SetPixelGray(const Image *magick_restrict image,
+ const Quantum gray,Quantum *magick_restrict pixel)
{
pixel[image->channel_map[GrayPixelChannel].offset]=gray;
}
image->channel_map[GrayPixelChannel].traits=traits;
}
-static inline void SetPixelGreen(const Image *restrict image,
- const Quantum green,Quantum *restrict pixel)
+static inline void SetPixelGreen(const Image *magick_restrict image,
+ const Quantum green,Quantum *magick_restrict pixel)
{
pixel[image->channel_map[GreenPixelChannel].offset]=green;
}
image->channel_map[GreenPixelChannel].traits=traits;
}
-static inline void SetPixelIndex(const Image *restrict image,
- const Quantum index,Quantum *restrict pixel)
+static inline void SetPixelIndex(const Image *magick_restrict image,
+ const Quantum index,Quantum *magick_restrict pixel)
{
if (image->channel_map[IndexPixelChannel].traits != UndefinedPixelTrait)
pixel[image->channel_map[IndexPixelChannel].offset]=index;
image->channel_map[IndexPixelChannel].traits=traits;
}
-static inline void SetPixelInfo(const Image *restrict image,
- const PixelInfo *restrict p,PixelInfo *restrict q)
-{
- q->red=p->red;
- q->green=p->green;
- q->blue=p->blue;
- q->black=0;
- if (image->channel_map[BlackPixelChannel].traits != UndefinedPixelTrait)
- q->black=p->black;
- q->alpha=OpaqueAlpha;
- if (image->channel_map[AlphaPixelChannel].traits != UndefinedPixelTrait)
- q->alpha=p->alpha;
- q->index=0;
- if (image->channel_map[IndexPixelChannel].traits != UndefinedPixelTrait)
- q->index=p->index;
-}
-
-static inline void SetPixelInfoPixel(const Image *restrict image,
- const PixelInfo *restrict pixel_info,Quantum *restrict pixel)
+static inline void SetPixelViaPixelInfo(const Image *magick_restrict image,
+ const PixelInfo *magick_restrict pixel_info,Quantum *magick_restrict pixel)
{
pixel[image->channel_map[RedPixelChannel].offset]=
ClampToQuantum(pixel_info->red);
ClampToQuantum(pixel_info->green);
pixel[image->channel_map[BluePixelChannel].offset]=
ClampToQuantum(pixel_info->blue);
- if ((image->channel_map[BlackPixelChannel].traits != UndefinedPixelTrait) &&
- (image->colorspace == CMYKColorspace) &&
- (pixel_info->colorspace == CMYKColorspace))
+ if (image->channel_map[BlackPixelChannel].traits != UndefinedPixelTrait)
pixel[image->channel_map[BlackPixelChannel].offset]=
ClampToQuantum(pixel_info->black);
if (image->channel_map[AlphaPixelChannel].traits != UndefinedPixelTrait)
pixel[image->channel_map[AlphaPixelChannel].offset]=
- pixel_info->matte == MagickFalse ? OpaqueAlpha :
+ pixel_info->alpha_trait == UndefinedPixelTrait ? OpaqueAlpha :
ClampToQuantum(pixel_info->alpha);
}
-static inline void SetPixelMagenta(const Image *restrict image,
- const Quantum magenta,Quantum *restrict pixel)
+static inline void SetPixelL(const Image *magick_restrict image,const Quantum L,
+ Quantum *magick_restrict pixel)
+{
+ if (image->channel_map[LPixelChannel].traits != UndefinedPixelTrait)
+ pixel[image->channel_map[LPixelChannel].offset]=L;
+}
+
+static inline void SetPixelMagenta(const Image *magick_restrict image,
+ const Quantum magenta,Quantum *magick_restrict pixel)
{
pixel[image->channel_map[MagentaPixelChannel].offset]=magenta;
}
image->channel_map[MagentaPixelChannel].traits=traits;
}
-static inline void SetPixelMetaChannels(Image *image,
- const size_t number_meta_channels)
+static inline void SetPixelReadMask(const Image *magick_restrict image,
+ const Quantum mask,Quantum *magick_restrict pixel)
{
- image->number_meta_channels=number_meta_channels;
+ if (image->channel_map[ReadMaskPixelChannel].traits != UndefinedPixelTrait)
+ pixel[image->channel_map[ReadMaskPixelChannel].offset]=mask;
+}
+
+static inline void SetPixelWriteMask(const Image *magick_restrict image,
+ const Quantum mask,Quantum *magick_restrict pixel)
+{
+ if (image->channel_map[WriteMaskPixelChannel].traits != UndefinedPixelTrait)
+ pixel[image->channel_map[WriteMaskPixelChannel].offset]=mask;
}
static inline void SetPixelMetacontentExtent(Image *image,const size_t extent)
image->metacontent_extent=extent;
}
-static inline void SetPixelRed(const Image *restrict image,const Quantum red,
- Quantum *restrict pixel)
+static inline void SetPixelOpacity(const Image *magick_restrict image,
+ const Quantum alpha,Quantum *magick_restrict pixel)
+{
+ if (image->channel_map[AlphaPixelChannel].traits != UndefinedPixelTrait)
+ pixel[image->channel_map[AlphaPixelChannel].offset]=QuantumRange-alpha;
+}
+
+static inline void SetPixelRed(const Image *magick_restrict image,
+ const Quantum red,Quantum *magick_restrict pixel)
{
pixel[image->channel_map[RedPixelChannel].offset]=red;
}
image->channel_map[RedPixelChannel].traits=traits;
}
-static inline void SetPixelYellow(const Image *restrict image,
- const Quantum yellow,Quantum *restrict pixel)
+static inline void SetPixelYellow(const Image *magick_restrict image,
+ const Quantum yellow,Quantum *magick_restrict pixel)
{
pixel[image->channel_map[YellowPixelChannel].offset]=yellow;
}
image->channel_map[YellowPixelChannel].traits=traits;
}
-static inline void SetPixelY(const Image *restrict image,const Quantum y,
- Quantum *restrict pixel)
+static inline void SetPixelY(const Image *magick_restrict image,
+ const Quantum y,Quantum *magick_restrict pixel)
{
pixel[image->channel_map[YPixelChannel].offset]=y;
}
image->channel_map[YPixelChannel].traits=traits;
}
-static inline Quantum GetPixelIntensity(const Image *restrict image,
- const Quantum *restrict pixel)
-{
-#if !defined(MAGICKCORE_HDRI_SUPPORT)
- if ((pixel[image->channel_map[RedPixelChannel].offset] ==
- pixel[image->channel_map[GreenPixelChannel].offset]) &&
- (pixel[image->channel_map[GreenPixelChannel].offset] ==
- pixel[image->channel_map[BluePixelChannel].offset]))
- return(pixel[image->channel_map[RedPixelChannel].offset]);
- return((Quantum) (0.299*pixel[image->channel_map[RedPixelChannel].offset]+
- 0.587*pixel[image->channel_map[GreenPixelChannel].offset]+0.114*
- pixel[image->channel_map[BluePixelChannel].offset]+0.5));
-#else
- {
- double
- alpha,
- beta;
-
- alpha=pixel[image->channel_map[RedPixelChannel].offset]-(double)
- pixel[image->channel_map[GreenPixelChannel].offset];
- beta=pixel[image->channel_map[GreenPixelChannel].offset]-(double)
- pixel[image->channel_map[BluePixelChannel].offset];
- if ((fabs(alpha) <= MagickEpsilon) && (fabs(beta) <= MagickEpsilon))
- return(pixel[image->channel_map[RedPixelChannel].offset]);
- return((Quantum) (0.299*pixel[image->channel_map[RedPixelChannel].offset]+
- 0.587*pixel[image->channel_map[GreenPixelChannel].offset]+0.114*
- pixel[image->channel_map[BluePixelChannel].offset]));
- }
-#endif
-}
-
-static inline Quantum GetPixelLuminance(const Image *restrict image,
- const Quantum *restrict pixel)
-{
-#if !defined(MAGICKCORE_HDRI_SUPPORT)
- return((Quantum) (0.21267*pixel[image->channel_map[RedPixelChannel].offset]+
- 0.71516*pixel[image->channel_map[GreenPixelChannel].offset]+0.07217*
- pixel[image->channel_map[BluePixelChannel].offset]+0.5));
-#else
- return((Quantum) (0.21267*pixel[image->channel_map[RedPixelChannel].offset]+
- 0.71516*pixel[image->channel_map[GreenPixelChannel].offset]+0.07217*
- pixel[image->channel_map[BluePixelChannel].offset]));
-#endif
-}
-
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
projects / imagemagick / blobdiff