143 lines
3.5 KiB
C
143 lines
3.5 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* NineGrid Cache
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*
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* Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdio.h>
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#include <winpr/crt.h>
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#include <freerdp/log.h>
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#include <freerdp/update.h>
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#include <freerdp/freerdp.h>
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#include <winpr/stream.h>
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#include <freerdp/cache/nine_grid.h>
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#define TAG FREERDP_TAG("cache.nine_grid")
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static void* nine_grid_cache_get(rdpNineGridCache* nine_grid, UINT32 index);
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static void nine_grid_cache_put(rdpNineGridCache* nine_grid, UINT32 index, void* entry);
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static BOOL update_gdi_draw_nine_grid(rdpContext* context,
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const DRAW_NINE_GRID_ORDER* draw_nine_grid)
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{
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rdpCache* cache = context->cache;
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return IFCALLRESULT(TRUE, cache->nine_grid->DrawNineGrid, context, draw_nine_grid);
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}
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static BOOL update_gdi_multi_draw_nine_grid(rdpContext* context,
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const MULTI_DRAW_NINE_GRID_ORDER* multi_draw_nine_grid)
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{
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rdpCache* cache = context->cache;
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return IFCALLRESULT(TRUE, cache->nine_grid->MultiDrawNineGrid, context, multi_draw_nine_grid);
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}
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void nine_grid_cache_register_callbacks(rdpUpdate* update)
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{
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rdpCache* cache = update->context->cache;
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cache->nine_grid->DrawNineGrid = update->primary->DrawNineGrid;
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cache->nine_grid->MultiDrawNineGrid = update->primary->MultiDrawNineGrid;
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update->primary->DrawNineGrid = update_gdi_draw_nine_grid;
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update->primary->MultiDrawNineGrid = update_gdi_multi_draw_nine_grid;
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}
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void* nine_grid_cache_get(rdpNineGridCache* nine_grid, UINT32 index)
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{
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void* entry;
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if (index >= nine_grid->maxEntries)
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{
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WLog_ERR(TAG, "invalid NineGrid index: 0x%04X", index);
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return NULL;
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}
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entry = nine_grid->entries[index].entry;
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if (entry == NULL)
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{
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WLog_ERR(TAG, "invalid NineGrid at index: 0x%04X", index);
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return NULL;
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}
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return entry;
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}
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void nine_grid_cache_put(rdpNineGridCache* nine_grid, UINT32 index, void* entry)
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{
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if (index >= nine_grid->maxEntries)
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{
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WLog_ERR(TAG, "invalid NineGrid index: 0x%04X", index);
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return;
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}
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free(nine_grid->entries[index].entry);
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nine_grid->entries[index].entry = entry;
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}
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rdpNineGridCache* nine_grid_cache_new(rdpSettings* settings)
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{
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rdpNineGridCache* nine_grid;
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nine_grid = (rdpNineGridCache*) calloc(1, sizeof(rdpNineGridCache));
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if (!nine_grid)
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return NULL;
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nine_grid->settings = settings;
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nine_grid->maxSize = 2560;
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nine_grid->maxEntries = 256;
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nine_grid->settings->DrawNineGridCacheSize = nine_grid->maxSize;
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nine_grid->settings->DrawNineGridCacheEntries = nine_grid->maxEntries;
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nine_grid->entries = (NINE_GRID_ENTRY*) calloc(nine_grid->maxEntries, sizeof(NINE_GRID_ENTRY));
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if (!nine_grid->entries)
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{
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free(nine_grid);
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return NULL;
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}
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return nine_grid;
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}
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void nine_grid_cache_free(rdpNineGridCache* nine_grid)
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{
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int i;
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if (nine_grid != NULL)
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{
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if (nine_grid->entries != NULL)
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{
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for (i = 0; i < (int) nine_grid->maxEntries; i++)
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free(nine_grid->entries[i].entry);
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free(nine_grid->entries);
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}
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free(nine_grid);
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}
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}
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