1 files changed, 0 insertions, 124 deletions
diff --git a/platform/windows/mupdfwinrt/Cache.cpp b/platform/windows/mupdfwinrt/Cache.cpp
deleted file mode 100644
index d5108a7c..00000000
--- a/platform/windows/mupdfwinrt/Cache.cpp
+++ /dev/null
@@ -1,124 +0,0 @@
-#include "pch.h"
-#include "Cache.h"
-
-Cache::Cache(void)
-{
-	this->size = 0;
-	this->head = NULL;
-	this->tail = NULL;
-}
-
-Cache::~Cache(void)
-{
-}
-
-void Cache::Empty(fz_context *mu_ctx)
-{
-	if (this != nullptr) {
-		cache_entry_t *curr_entry = this->head;
-
-		while (curr_entry != NULL)
-		{
-			cache_entry_t *old_entry = curr_entry;
-			curr_entry = old_entry->next;
-			fz_drop_display_list(mu_ctx, old_entry->dlist);
-			delete old_entry;
-		}
-		this->size = 0;
-		this->head = NULL;
-		this->tail = NULL;
-	}
-}
-
-void Cache::Add(int value, int width_in, int height_in, fz_display_list *dlist, 
-				fz_context *mu_ctx)
-{
-	std::lock_guard<std::mutex> lock(cache_lock);
-
-	/* If full, then delete the tail */
-	if (size >= MAX_DISPLAY_CACHE_SIZE)
-	{
-		cache_entry_t *curr_entry = this->tail;
-		cache_entry_t *prev_entry = curr_entry->prev;
-
-		if (prev_entry != NULL)
-			prev_entry->next = NULL;
-		else
-			head = NULL;
-
-		tail = prev_entry;
-
-		/* Decrement the caches rc of this list. It is gone from cache but
-		   may still be in use by other threads, when threads are done they 
-		   should decrement and it should be freed at that time. See 
-		   ReleaseDisplayLists in muctx class */
-		fz_drop_display_list(mu_ctx, curr_entry->dlist);
-		delete curr_entry;
-		size--;
-	}
-
-	/* Make a new entry and stick at head */
-	cache_entry_t *new_entry = new cache_entry_t;
-
-	new_entry->dlist = dlist;
-	new_entry->index = value;
-	new_entry->width = width_in;
-	new_entry->height = height_in;
-	new_entry->prev = NULL;
-	if (head == NULL)
-	{
-		new_entry->next = NULL;
-		head = new_entry;
-		tail = new_entry;
-	}
-	else
-	{
-		new_entry->next = head;
-		head->prev = new_entry;
-		head = new_entry;
-	}
-	size++;
-	/* Everytime we add an entry, we are also using it. Increment rc. See above */
-	fz_keep_display_list(mu_ctx, dlist);
-}
-
-fz_display_list* Cache::Use(int value, int *width_out, int *height_out, fz_context *mu_ctx)
-{
-	std::lock_guard<std::mutex> lock(cache_lock);
-	cache_entry_t *curr_entry = this->head;
-
-	while (curr_entry != NULL)
-	{
-		if (curr_entry->index == value)
-			break;
-		curr_entry = curr_entry->next;
-	}
-	if (curr_entry != NULL)
-	{
-		/* Move this to the front */
-		if (curr_entry != head)
-		{
-			cache_entry_t *prev_entry = curr_entry->prev;
-			cache_entry_t *next_entry = curr_entry->next;
-			prev_entry->next = next_entry;
-
-			if (next_entry != NULL)
-				next_entry->prev = prev_entry;
-			else
-				tail = prev_entry;
-
-			curr_entry->prev = NULL;
-			curr_entry->next = head;
-			head->prev = curr_entry;
-			head = curr_entry;
-		}
-		*width_out = curr_entry->width;
-		*height_out = curr_entry->height;
-		/* We must increment our reference to this one to ensure it is not 
-		   freed when removed from the cache. See above comments */
-		fz_keep_display_list(mu_ctx, curr_entry->dlist);
-		return curr_entry->dlist;
-	}
-	else
-		return NULL;
-}