MagickCore  7.1.1-43
Convert, Edit, Or Compose Bitmap Images
draw-private.h
1 /*
2  Copyright @ 1999 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 "MagickCore/cache.h"
22 #include "MagickCore/image.h"
23 #include "MagickCore/memory_.h"
24 
25 #if defined(__cplusplus) || defined(c_plusplus)
26 extern "C" {
27 #endif
28 
29 static inline void GetFillColor(const DrawInfo *draw_info,const ssize_t x,
30  const ssize_t y,PixelInfo *fill,ExceptionInfo *exception)
31 {
32  if (draw_info->fill_pattern == (Image *) NULL)
33  {
34  *fill=draw_info->fill;
35  return;
36  }
37  {
38  Image
39  *pattern;
40 
41  pattern=draw_info->fill_pattern;
42  (void) GetOneVirtualPixelInfo(pattern,TileVirtualPixelMethod,x+
43  pattern->tile_offset.x,y+pattern->tile_offset.y,fill,exception);
44  if (fabs(draw_info->fill_alpha-(double) TransparentAlpha) >= MagickEpsilon)
45  fill->alpha*=QuantumScale*draw_info->fill_alpha;
46  }
47 }
48 
49 static inline void GetStrokeColor(const DrawInfo *draw_info,const ssize_t x,
50  const ssize_t y,PixelInfo *stroke,ExceptionInfo *exception)
51 {
52  if (draw_info->stroke_pattern == (Image *) NULL)
53  {
54  *stroke=draw_info->stroke;
55  return;
56  }
57  {
58  Image
59  *pattern;
60 
61  pattern=draw_info->stroke_pattern;
62  (void) GetOneVirtualPixelInfo(pattern,TileVirtualPixelMethod,x+
63  pattern->tile_offset.x,y+pattern->tile_offset.y,stroke,exception);
64  if (fabs(draw_info->stroke_alpha-(double) TransparentAlpha) >= MagickEpsilon)
65  stroke->alpha*=QuantumScale*draw_info->stroke_alpha;
66  }
67 }
68 
69 #if defined(__cplusplus) || defined(c_plusplus)
70 }
71 #endif
72 
73 #endif
_Image
Definition: image.h:131
_PixelInfo
Definition: pixel.h:181
_ExceptionInfo
Definition: exception.h:101
_DrawInfo
Definition: draw.h:209