MagickCore  6.9.10
Convert, Edit, Or Compose Bitmap Images
draw-private.h
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1 /*
2  Copyright 1999-2018 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  https://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 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
Image * fill_pattern
Definition: draw.h:236
Definition: draw.h:210
Definition: pixel.h:131
#define MagickEpsilon
Definition: magick-type.h:115
RectangleInfo tile_offset
Definition: image.h:327
Definition: image.h:152
Image * stroke_pattern
Definition: draw.h:236
MagickBooleanType
Definition: magick-type.h:189
double stroke_opacity
Definition: draw.h:340
PixelPacket stroke
Definition: draw.h:226
static MagickBooleanType GetStrokeColor(const DrawInfo *draw_info, const ssize_t x, const ssize_t y, PixelPacket *stroke)
Definition: draw-private.h:54
double fill_opacity
Definition: draw.h:340
Definition: magick-type.h:192
static MagickBooleanType GetFillColor(const DrawInfo *draw_info, const ssize_t x, const ssize_t y, PixelPacket *fill)
Definition: draw-private.h:29
Quantum opacity
Definition: pixel.h:143
#define TransparentOpacity
Definition: image.h:28
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:2184
#define QuantumScale
Definition: magick-type.h:118
ssize_t x
Definition: geometry.h:129
Definition: cache-view.h:36
MagickBooleanType matte
Definition: image.h:170
Definition: magick-type.h:191
unsigned short Quantum
Definition: magick-type.h:85
#define OpaqueOpacity
Definition: image.h:27
PixelPacket fill
Definition: draw.h:226
ssize_t y
Definition: geometry.h:129
#define QuantumRange
Definition: magick-type.h:86
ExceptionInfo exception
Definition: image.h:287