MagickCore  6.9.11-60
Convert, Edit, Or Compose Bitmap Images
draw-private.h
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1 /*
2  Copyright 1999-2021 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. You may
6  obtain a copy of the License at
7 
8  https://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 private image drawing methods.
17 */
18 #ifndef MAGICKCORE_DRAW_PRIVATE_H
19 #define MAGICKCORE_DRAW_PRIVATE_H
20 
21 #include "magick/cache.h"
22 #include "magick/image.h"
23 #include "magick/memory_.h"
24 
25 #if defined(__cplusplus) || defined(c_plusplus)
26 extern "C" {
27 #endif
28 
29 static inline MagickBooleanType GetFillColor(const DrawInfo *draw_info,
30  const ssize_t x,const ssize_t y,PixelPacket *fill)
31 {
32  Image
33  *pattern;
34 
36  status;
37 
38  pattern=draw_info->fill_pattern;
39  if (pattern == (Image *) NULL)
40  {
41  *fill=draw_info->fill;
42  return(MagickTrue);
43  }
45  x+pattern->tile_offset.x,y+pattern->tile_offset.y,fill,&pattern->exception);
46  if (pattern->matte == MagickFalse)
47  fill->opacity=OpaqueOpacity;
48  if (fabs(draw_info->fill_opacity-TransparentOpacity) >= MagickEpsilon)
51  return(status);
52 }
53 
54 static inline MagickBooleanType GetStrokeColor(const DrawInfo *draw_info,
55  const ssize_t x,const ssize_t y,PixelPacket *stroke)
56 {
57  Image
58  *pattern;
59 
61  status;
62 
63  pattern=draw_info->stroke_pattern;
64  if (pattern == (Image *) NULL)
65  {
66  *stroke=draw_info->stroke;
67  return(MagickTrue);
68  }
70  x+pattern->tile_offset.x,y+pattern->tile_offset.y,stroke,
71  &pattern->exception);
72  if (pattern->matte == MagickFalse)
73  stroke->opacity=OpaqueOpacity;
74  if (fabs(draw_info->stroke_opacity-TransparentOpacity) >= MagickEpsilon)
75  stroke->opacity=(Quantum) (QuantumRange-(QuantumRange-stroke->opacity)*
77  return(status);
78 }
79 
80 #if defined(__cplusplus) || defined(c_plusplus)
81 }
82 #endif
83 
84 #endif
@ TileVirtualPixelMethod
Definition: cache-view.h:36
MagickExport MagickBooleanType GetOneVirtualMethodPixel(const Image *image, const VirtualPixelMethod virtual_pixel_method, const ssize_t x, const ssize_t y, PixelPacket *pixel, ExceptionInfo *exception)
Definition: cache.c:2201
static MagickBooleanType GetFillColor(const DrawInfo *draw_info, const ssize_t x, const ssize_t y, PixelPacket *fill)
Definition: draw-private.h:29
static MagickBooleanType GetStrokeColor(const DrawInfo *draw_info, const ssize_t x, const ssize_t y, PixelPacket *stroke)
Definition: draw-private.h:54
#define OpaqueOpacity
Definition: image.h:27
#define TransparentOpacity
Definition: image.h:28
#define QuantumRange
Definition: magick-type.h:90
unsigned short Quantum
Definition: magick-type.h:89
#define MagickEpsilon
Definition: magick-type.h:119
MagickBooleanType
Definition: magick-type.h:203
@ MagickFalse
Definition: magick-type.h:204
@ MagickTrue
Definition: magick-type.h:205
#define QuantumScale
Definition: magick-type.h:124
Definition: draw.h:211
Image * fill_pattern
Definition: draw.h:236
PixelPacket stroke
Definition: draw.h:227
double stroke_opacity
Definition: draw.h:341
PixelPacket fill
Definition: draw.h:226
Image * stroke_pattern
Definition: draw.h:238
double fill_opacity
Definition: draw.h:340
Definition: image.h:153
ExceptionInfo exception
Definition: image.h:287
RectangleInfo tile_offset
Definition: image.h:327
MagickBooleanType matte
Definition: image.h:171
Definition: pixel.h:132
Quantum opacity
Definition: pixel.h:146
ssize_t x
Definition: geometry.h:130
ssize_t y
Definition: geometry.h:131