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 resampling private methods. 17 */ 18 #ifndef MAGICKCORE_RESAMPLE_PRIVATE_H 19 #define MAGICKCORE_RESAMPLE_PRIVATE_H 20 21 #include "MagickCore/thread-private.h" 22 23 #if defined(__cplusplus) || defined(c_plusplus) 24 extern "C" { 25 #endif 26 27 static inline ResampleFilter **DestroyResampleFilterThreadSet( 28 ResampleFilter **filter) 29 { 30 register ssize_t 31 i; 32 33 assert(filter != (ResampleFilter **) NULL); 34 for (i=0; i < (ssize_t) GetMagickResourceLimit(ThreadResource); i++) 35 if (filter[i] != (ResampleFilter *) NULL) 36 filter[i]=DestroyResampleFilter(filter[i]); 37 filter=(ResampleFilter **) RelinquishMagickMemory(filter); 38 return(filter); 39 } 40 41 static inline ResampleFilter **AcquireResampleFilterThreadSet( 42 const Image *image,const VirtualPixelMethod method, 43 const MagickBooleanType interpolate,ExceptionInfo *exception) 44 { 45 register ssize_t 46 i; 47 48 ResampleFilter 49 **filter; 50 51 size_t 52 number_threads; 53 54 number_threads=(size_t) GetMagickResourceLimit(ThreadResource); 55 filter=(ResampleFilter **) AcquireQuantumMemory(number_threads, 56 sizeof(*filter)); 57 if (filter == (ResampleFilter **) NULL) 58 return((ResampleFilter **) NULL); 59 (void) ResetMagickMemory(filter,0,number_threads*sizeof(*filter)); 60 for (i=0; i < (ssize_t) number_threads; i++) 61 { 62 filter[i]=AcquireResampleFilter(image,exception); 63 if (filter[i] == (ResampleFilter *) NULL) 64 return(DestroyResampleFilterThreadSet(filter)); 65 if (method != UndefinedVirtualPixelMethod) 66 (void) SetResampleFilterVirtualPixelMethod(filter[i],method); 67 if (interpolate != MagickFalse) 68 SetResampleFilter(filter[i],PointFilter); 69 } 70 return(filter); 71 } 72 73 #if defined(__cplusplus) || defined(c_plusplus) 74 } 75 #endif 76 77 #endif 78
