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* sumatrapdf - vendor import * everything compiles (libjpeg, poppler, fitz, sumatrapdf) * does NOT link (remove the comment tags in the parent directory.rbuild file (rosapps dir) to build it) svn path=/trunk/; revision=29295
111 lines
1.7 KiB
C
111 lines
1.7 KiB
C
#include "fitz-base.h"
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#include "fitz-world.h"
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fz_error *
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fz_newtree(fz_tree **treep)
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{
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fz_tree *tree;
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tree = *treep = fz_malloc(sizeof (fz_tree));
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if (!tree)
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return fz_outofmem;
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tree->refs = 1;
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tree->root = nil;
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tree->head = nil;
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return nil;
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}
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fz_tree *
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fz_keeptree(fz_tree *tree)
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{
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assert(tree->refs > 0);
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tree->refs ++;
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return tree;
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}
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void
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fz_droptree(fz_tree *tree)
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{
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assert(tree->refs > 0);
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if (--tree->refs == 0)
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{
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if (tree->root)
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fz_dropnode(tree->root);
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fz_free(tree);
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}
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}
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fz_rect
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fz_boundtree(fz_tree *tree, fz_matrix ctm)
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{
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if (tree->root)
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return fz_boundnode(tree->root, ctm);
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return fz_emptyrect;
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}
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void
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fz_insertnodefirst(fz_node *parent, fz_node *child)
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{
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child->parent = parent;
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child->next = parent->first;
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parent->first = child;
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if (!parent->last)
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parent->last = child;
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}
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void
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fz_insertnodelast(fz_node *parent, fz_node *child)
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{
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child->parent = parent;
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if (!parent->first)
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parent->first = child;
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else
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parent->last->next = child;
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parent->last = child;
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}
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void
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fz_insertnodeafter(fz_node *prev, fz_node *child)
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{
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fz_node *parent = prev->parent;
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child->parent = parent;
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if (parent->last == prev)
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parent->last = child;
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child->next = prev->next;
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prev->next = child;
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}
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void
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fz_removenode(fz_node *child)
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{
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fz_node *parent = child->parent;
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fz_node *prev;
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fz_node *node;
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if (parent->first == child)
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{
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parent->first = child->next;
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if (parent->last == child)
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parent->last = nil;
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return;
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}
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prev = parent->first;
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node = prev->next;
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while (node)
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{
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if (node == child)
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{
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prev->next = child->next;
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}
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prev = node;
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node = node->next;
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}
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parent->last = prev;
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}
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