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      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   MagickWand mogrify command-line private methods.
     17 */
     18 #ifndef MAGICKWAND_MOGRIFY_PRIVATE_H
     19 #define MAGICKWAND_MOGRIFY_PRIVATE_H
     20 
     21 #if defined(__cplusplus) || defined(c_plusplus)
     22 extern "C" {
     23 #endif
     24 
     25 #define AppendImageStack(images) \
     26 { \
     27   (void) SyncImagesSettings(image_info,images,exception); \
     28   AppendImageToList(&image_stack[k].image,images); \
     29   image=image_stack[k].image; \
     30 }
     31 #define DestroyImageStack() \
     32 { \
     33   while (k > 0) \
     34     PopImageStack(); \
     35   image_stack[k].image=DestroyImageList(image_stack[k].image); \
     36   image_stack[k].image_info=DestroyImageInfo(image_stack[k].image_info); \
     37   image_info=image_stack[MaxImageStackDepth].image_info; \
     38 }
     39 #define FinalizeImageSettings(image_info,image,advance) \
     40 { \
     41   FireImageStack(MagickTrue,advance,MagickTrue); \
     42   if (image != (Image *) NULL) \
     43     (void) SyncImagesSettings(image_info,image,exception); \
     44 }
     45 #define FireImageStack(postfix,advance,fire) \
     46   if ((j <= i) && (i < (ssize_t) argc)) \
     47     { \
     48 DisableMSCWarning(4127) \
     49       if (image_stack[k].image == (Image *) NULL) \
     50         status&=MogrifyImageInfo(image_stack[k].image_info,(int) (i-j+1), \
     51           (const char **) (argv+j),exception); \
     52       else \
     53         if ((fire) != MagickFalse) \
     54           { \
     55             status&=MogrifyImages(image_stack[k].image_info,postfix,(int) \
     56               (i-j+1),(const char **) (argv+j),&image_stack[k].image, \
     57               exception); \
     58             image=image_stack[k].image; \
     59             if ((advance) != MagickFalse) \
     60               j=i+1; \
     61             pend=MagickFalse; \
     62           } \
     63 RestoreMSCWarning \
     64     }
     65 #define MaxImageStackDepth  128
     66 #define NewImageStack() \
     67 { \
     68   image_stack[MaxImageStackDepth].image_info=image_info; \
     69   image_stack[0].image_info=CloneImageInfo(image_info); \
     70   image_stack[0].image=NewImageList(); \
     71   image_info=image_stack[0].image_info; \
     72   image=image_stack[0].image; \
     73 }
     74 #define PushImageStack() \
     75 { \
     76   k++; \
     77   image_stack[k].image_info=CloneImageInfo(image_stack[k-1].image_info); \
     78   image_stack[k].image=NewImageList(); \
     79   image_info=image_stack[k].image_info; \
     80   image=image_stack[k].image; \
     81 }
     82 #define PopImageStack() \
     83 { \
     84   if (respect_parenthesis == MagickFalse) \
     85     { \
     86       image_stack[k-1].image_info=DestroyImageInfo(image_stack[k-1].image_info); \
     87       image_stack[k-1].image_info=CloneImageInfo(image_stack[k].image_info); \
     88     } \
     89   image_stack[k].image_info=DestroyImageInfo(image_stack[k].image_info); \
     90   AppendImageToList(&image_stack[k-1].image,image_stack[k].image); \
     91   k--; \
     92   image_info=image_stack[k].image_info; \
     93   image=image_stack[k].image; \
     94 }
     95 #define QuantumTick(i,span) ((MagickBooleanType) ((((i) & ((i)-1)) == 0) || \
     96    (((i) & 0xfff) == 0) || \
     97    ((MagickOffsetType) (i) == ((MagickOffsetType) (span)-1))))
     98 #define RemoveImageStack(images) \
     99 { \
    100   images=RemoveFirstImageFromList(&image_stack[k].image); \
    101   image=image_stack[k].image; \
    102 }
    103 #define RemoveAllImageStack() \
    104 { \
    105   if (image_stack[k].image != (Image *) NULL) \
    106     image_stack[k].image=DestroyImageList(image_stack[k].image); \
    107 }
    108 #define SetImageStack(image) \
    109 { \
    110   image_stack[k].image=(image); \
    111 }
    112 
    113 typedef struct _ImageStack
    114 {
    115   ImageInfo
    116     *image_info;
    117 
    118   Image
    119     *image;
    120 } ImageStack;
    121 
    122 #if defined(__cplusplus) || defined(c_plusplus)
    123 }
    124 #endif
    125 
    126 #endif
    127