111 lines
2.6 KiB
C++
111 lines
2.6 KiB
C++
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#include "txioctrl.h"
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#ifdef MaxImageGroups
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#include "list_tem.hpp"
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struct ImageNumber
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{
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int group;
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int offset;
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ImageNumber(){}
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ImageNumber(int g,int o) : group(g), offset(o) {}
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inline int operator == (ImageNumber const & in2) const
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{ return group==in2.group && offset==in2.offset; }
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inline int operator != (ImageNumber const & in2) const
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{ return ! operator == (in2); }
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};
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static List<ImageNumber> imgs_used_by_group[MaxImageGroups];
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static List<int> * grps_used_by_image[MaxImageGroups][MaxImages];
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void MarkImageInUseByGroup(int img_group, int img_num_offset, int group_using)
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{
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if (imgs_used_by_group[group_using].contains(ImageNumber(img_group,img_num_offset))) return;
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imgs_used_by_group[group_using].add_entry(ImageNumber(img_group,img_num_offset));
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List<int> * & grps_used_by_imageR = grps_used_by_image[img_group][img_num_offset];
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if (!grps_used_by_imageR)
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grps_used_by_imageR = new List<int>(img_group); // includes itself
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if (!grps_used_by_imageR->contains(group_using))
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grps_used_by_imageR->add_entry(group_using);
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}
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int IsImageInUse(int img_group, int img_num_offset)
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{
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if (grps_used_by_image[img_group][img_num_offset])
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return 1;
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else
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return 0;
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}
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int CanDeleteImage(int img_group, int img_num_offset)
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{
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if (grps_used_by_image[img_group][img_num_offset])
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{
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if (grps_used_by_image[img_group][img_num_offset]->contains(img_group))
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{
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grps_used_by_image[img_group][img_num_offset]->delete_entry(img_group); // remove itself
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if (!grps_used_by_image[img_group][img_num_offset]->size())
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{
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delete grps_used_by_image[img_group][img_num_offset];
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grps_used_by_image[img_group][img_num_offset] = 0;
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return 1;
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}
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else
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return 0;
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}
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else
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return 0;
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}
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else
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return 1;
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}
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void ImageGroupFreed(int img_group)
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{
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while (imgs_used_by_group[img_group].size())
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{
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ImageNumber used = imgs_used_by_group[img_group].first_entry();
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List<int> * & grps_used_by_imageR = grps_used_by_image[used.group][used.offset];
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grps_used_by_imageR->delete_entry(img_group);
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if (!grps_used_by_imageR->size())
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{
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NowDeleteImage(used.group,used.offset);
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delete grps_used_by_imageR;
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grps_used_by_imageR = 0;
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}
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imgs_used_by_group[img_group].delete_first_entry();
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}
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}
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void EnumSharedImages(int group_num, int numimages, ImageNumberCallbackFunction callback_fn, void * user)
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{
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for (int i=0; i<numimages; ++i)
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{
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if (grps_used_by_image[group_num][i])
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callback_fn(i,user);
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}
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}
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void EnumLeftoverImages(int group_num, int numimages, ImageNumberCallbackFunction callback_fn, void * user)
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{
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for (int i=numimages; i<MaxImages; ++i)
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{
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if (grps_used_by_image[group_num][i])
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callback_fn(i,user);
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}
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}
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#endif // MaxImageGroups
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