1 /* 2 Copyright 1999-2016 ImageMagick Studio LLC, a non-profit organization 3 dedicated to making software imaging solutions freely available. 4 5 You may not use this file except in compliance with the License. 6 obtain a copy of the License at 7 8 http://www.imagemagick.org/script/license.php 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 16 MagickCore image geometry methods. 17 */ 18 #ifndef MAGICKCORE_GEOMETRY_H 19 #define MAGICKCORE_GEOMETRY_H 20 21 #if defined(__cplusplus) || defined(c_plusplus) 22 extern "C" { 23 #endif 24 25 typedef enum 26 { 27 #undef NoValue 28 NoValue = 0x0000, 29 #undef XValue 30 XValue = 0x0001, 31 XiValue = 0x0001, 32 #undef YValue 33 YValue = 0x0002, 34 PsiValue = 0x0002, 35 #undef WidthValue 36 WidthValue = 0x0004, 37 RhoValue = 0x0004, 38 #undef HeightValue 39 HeightValue = 0x0008, 40 SigmaValue = 0x0008, 41 ChiValue = 0x0010, 42 XiNegative = 0x0020, 43 #undef XNegative 44 XNegative = 0x0020, 45 PsiNegative = 0x0040, 46 #undef YNegative 47 YNegative = 0x0040, 48 ChiNegative = 0x0080, 49 PercentValue = 0x1000, /* '%' percentage of something */ 50 AspectValue = 0x2000, /* '!' resize no-aspect - special use flag */ 51 NormalizeValue = 0x2000, /* '!' ScaleKernelValue() in morphology.c */ 52 LessValue = 0x4000, /* '<' resize smaller - special use flag */ 53 GreaterValue = 0x8000, /* '>' resize larger - spacial use flag */ 54 MinimumValue = 0x10000, /* '^' special handling needed */ 55 CorrelateNormalizeValue = 0x10000, /* '^' see ScaleKernelValue() */ 56 AreaValue = 0x20000, /* '@' resize to area - special use flag */ 57 DecimalValue = 0x40000, /* '.' floating point numbers found */ 58 SeparatorValue = 0x80000, /* 'x' separator found */ 59 #undef AllValues 60 AllValues = 0x7fffffff 61 } GeometryFlags; 62 63 #if defined(ForgetGravity) 64 #undef ForgetGravity 65 #undef NorthWestGravity 66 #undef NorthGravity 67 #undef NorthEastGravity 68 #undef WestGravity 69 #undef CenterGravity 70 #undef EastGravity 71 #undef SouthWestGravity 72 #undef SouthGravity 73 #undef SouthEastGravity 74 #endif 75 76 typedef enum 77 { 78 UndefinedGravity, 79 ForgetGravity = 0, 80 NorthWestGravity = 1, 81 NorthGravity = 2, 82 NorthEastGravity = 3, 83 WestGravity = 4, 84 CenterGravity = 5, 85 EastGravity = 6, 86 SouthWestGravity = 7, 87 SouthGravity = 8, 88 SouthEastGravity = 9 89 } GravityType; 90 91 typedef struct _AffineMatrix 92 { 93 double 94 sx, 95 rx, 96 ry, 97 sy, 98 tx, 99 ty; 100 } AffineMatrix; 101 102 typedef struct _GeometryInfo 103 { 104 double 105 rho, 106 sigma, 107 xi, 108 psi, 109 chi; 110 } GeometryInfo; 111 112 typedef struct _OffsetInfo 113 { 114 ssize_t 115 x, 116 y; 117 } OffsetInfo; 118 119 typedef struct _PointInfo 120 { 121 double 122 x, 123 y; 124 } PointInfo; 125 126 typedef struct _RectangleInfo 127 { 128 size_t 129 width, 130 height; 131 132 ssize_t 133 x, 134 y; 135 } RectangleInfo; 136 137 extern MagickExport char 138 *GetPageGeometry(const char *); 139 140 extern MagickExport MagickBooleanType 141 IsGeometry(const char *), 142 IsSceneGeometry(const char *,const MagickBooleanType); 143 144 extern MagickExport MagickStatusType 145 GetGeometry(const char *,ssize_t *,ssize_t *,size_t *,size_t *), 146 ParseAbsoluteGeometry(const char *,RectangleInfo *), 147 ParseAffineGeometry(const char *,AffineMatrix *,ExceptionInfo *), 148 ParseGeometry(const char *,GeometryInfo *), 149 ParseGravityGeometry(const Image *,const char *,RectangleInfo *, 150 ExceptionInfo *), 151 ParseMetaGeometry(const char *,ssize_t *,ssize_t *,size_t *,size_t *), 152 ParsePageGeometry(const Image *,const char *,RectangleInfo *,ExceptionInfo *), 153 ParseRegionGeometry(const Image *,const char *,RectangleInfo *, 154 ExceptionInfo *); 155 156 extern MagickExport void 157 GravityAdjustGeometry(const size_t,const size_t,const GravityType, 158 RectangleInfo *), 159 SetGeometry(const Image *,RectangleInfo *), 160 SetGeometryInfo(GeometryInfo *); 161 162 #if defined(__cplusplus) || defined(c_plusplus) 163 } 164 #endif 165 166 #endif 167
