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//usr/include/magick/draw.h

/*
  Copyright 1999-2006 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
  
  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.

MagickCore drawing methods.
*/
#ifndef _MAGICKCORE_DRAW_H
#define _MAGICKCORE_DRAW_H

#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif

#include "magick/type.h"

typedef enum
{
  UndefinedAlign,
  LeftAlign,
  CenterAlign,
  RightAlign
} AlignType;

typedef enum
{
  UndefinedPathUnits,
  UserSpace,
  UserSpaceOnUse,
  ObjectBoundingBox
} ClipPathUnits;

typedef enum
{
  UndefinedDecoration,
  NoDecoration,
  UnderlineDecoration,
  OverlineDecoration,
  LineThroughDecoration
} DecorationType;

typedef enum
{
  UndefinedRule,
#undef EvenOddRule
  EvenOddRule,
  NonZeroRule
} FillRule;

typedef enum
{
  UndefinedGradient,
  LinearGradient,
  RadialGradient
} GradientType;

typedef enum
{
  UndefinedCap,
  ButtCap,
  RoundCap,
  SquareCap
} LineCap;

typedef enum
{
  UndefinedJoin,
  MiterJoin,
  RoundJoin,
  BevelJoin
} LineJoin;

typedef enum
{
  UndefinedMethod,
  PointMethod,
  ReplaceMethod,
  FloodfillMethod,
  FillToBorderMethod,
  ResetMethod
} PaintMethod;

typedef enum
{
  UndefinedPrimitive,
  PointPrimitive,
  LinePrimitive,
  RectanglePrimitive,
  RoundRectanglePrimitive,
  ArcPrimitive,
  EllipsePrimitive,
  CirclePrimitive,
  PolylinePrimitive,
  PolygonPrimitive,
  BezierPrimitive,
  ColorPrimitive,
  MattePrimitive,
  TextPrimitive,
  ImagePrimitive,
  PathPrimitive
} PrimitiveType;

typedef enum
{
  UndefinedReference,
  GradientReference
} ReferenceType;

typedef enum
{
  UndefinedSpread,
  PadSpread,
  ReflectSpead,
  RepeatSpread
} SpreadMethod;

typedef struct _GradientInfo
{
  GradientType
    type;

PixelPacket
    color;

SegmentInfo
    stop;

unsigned long
    length;

SpreadMethod
    spread;

MagickBooleanType
    debug;

unsigned long
    signature;

struct _GradientInfo
    *previous,
    *next;
} GradientInfo;

typedef struct _ElementReference
{
  char
    *id;

ReferenceType
    type;

GradientInfo
    gradient;

unsigned long
    signature;

struct _ElementReference
    *previous,
    *next;
} ElementReference;

typedef struct _DrawInfo
{
  char
    *primitive,
    *geometry;

RectangleInfo
    viewbox;

AffineMatrix
    affine;

GravityType
    gravity;

PixelPacket
    fill,
    stroke;

double
    stroke_width;

GradientInfo
    gradient;

Image
    *fill_pattern,
    *tile,
    *stroke_pattern;

MagickBooleanType
    stroke_antialias,
    text_antialias;

FillRule
    fill_rule;

LineCap
    linecap;

LineJoin
    linejoin;

unsigned long
    miterlimit;

double
    dash_offset;

DecorationType
    decorate;

CompositeOperator
    compose;

char
    *text;

unsigned long
    face;

char
    *font,
    *metrics,
    *family;

StyleType
    style;

StretchType
    stretch;

unsigned long
    weight;

char
    *encoding;

double
    pointsize;

char
    *density;

AlignType
    align;

PixelPacket
    undercolor,
    border_color;

char
    *server_name;

double
    *dash_pattern;

char
    *clip_path;

SegmentInfo
    bounds;

ClipPathUnits
    clip_units;

Quantum
    opacity;

MagickBooleanType
    render;

ElementReference
    element_reference;

MagickBooleanType
    debug;

unsigned long
    signature;
} DrawInfo;

typedef struct _PointInfo
{
  double
    x,
    y;
} PointInfo;

typedef struct _PrimitiveInfo
{
  PointInfo
    point;

unsigned long
    coordinates;

PrimitiveType
    primitive;

PaintMethod
    method;

char
    *text;
} PrimitiveInfo;

typedef struct _TypeMetric
{
  PointInfo
    pixels_per_em;

double
    ascent,
    descent,
    width,
    height,
    max_advance,
    underline_position,
    underline_thickness;

SegmentInfo
    bounds;
} TypeMetric;

extern MagickExport DrawInfo
  *CloneDrawInfo(const ImageInfo *,const DrawInfo *),
  *DestroyDrawInfo(DrawInfo *);

extern MagickExport MagickBooleanType
  DrawAffineImage(Image *,const Image *,const AffineMatrix *),
  DrawClipPath(Image *,const DrawInfo *,const char *),
  DrawImage(Image *,const DrawInfo *),
  DrawPatternPath(Image *,const DrawInfo *,const char *,Image **),
  DrawPrimitive(Image *,const DrawInfo *,const PrimitiveInfo *);

extern MagickExport void
  GetAffineMatrix(AffineMatrix *),
  GetDrawInfo(const ImageInfo *,DrawInfo *);

#if defined(__cplusplus) || defined(c_plusplus)
}
#endif

#endif