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/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* Bitmap Cache V2
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*
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* Copyright 2011 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/freerdp.h>
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#include <freerdp/constants.h>
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#include <winpr/stream.h>
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#include <freerdp/log.h>
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#include <freerdp/cache/bitmap.h>
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#include <freerdp/gdi/bitmap.h>
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#include "../gdi/gdi.h"
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#include "../core/graphics.h"
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#include "bitmap.h"
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#define TAG FREERDP_TAG("cache.bitmap")
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static rdpBitmap* bitmap_cache_get(rdpBitmapCache* bitmapCache, UINT32 id,
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UINT32 index);
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static BOOL bitmap_cache_put(rdpBitmapCache* bitmap_cache, UINT32 id,
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UINT32 index, rdpBitmap* bitmap);
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static BOOL update_gdi_memblt(rdpContext* context,
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MEMBLT_ORDER* memblt)
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{
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rdpBitmap* bitmap;
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rdpCache* cache = context->cache;
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if (memblt->cacheId == 0xFF)
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bitmap = offscreen_cache_get(cache->offscreen, memblt->cacheIndex);
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else
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bitmap = bitmap_cache_get(cache->bitmap, (BYTE) memblt->cacheId,
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memblt->cacheIndex);
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/* XP-SP2 servers sometimes ask for cached bitmaps they've never defined. */
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if (bitmap == NULL)
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return TRUE;
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memblt->bitmap = bitmap;
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return IFCALLRESULT(TRUE, cache->bitmap->MemBlt, context, memblt);
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}
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static BOOL update_gdi_mem3blt(rdpContext* context,
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MEM3BLT_ORDER* mem3blt)
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{
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BYTE style;
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rdpBitmap* bitmap;
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rdpCache* cache = context->cache;
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rdpBrush* brush = &mem3blt->brush;
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BOOL ret = TRUE;
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if (mem3blt->cacheId == 0xFF)
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bitmap = offscreen_cache_get(cache->offscreen, mem3blt->cacheIndex);
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else
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bitmap = bitmap_cache_get(cache->bitmap, (BYTE) mem3blt->cacheId,
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mem3blt->cacheIndex);
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/* XP-SP2 servers sometimes ask for cached bitmaps they've never defined. */
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if (!bitmap)
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return TRUE;
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style = brush->style;
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if (brush->style & CACHED_BRUSH)
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{
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brush->data = brush_cache_get(cache->brush, brush->index, &brush->bpp);
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if (!brush->data)
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return FALSE;
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brush->style = 0x03;
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}
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mem3blt->bitmap = bitmap;
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IFCALLRET(cache->bitmap->Mem3Blt, ret, context, mem3blt);
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brush->style = style;
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return ret;
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}
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static BOOL update_gdi_cache_bitmap(rdpContext* context,
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const CACHE_BITMAP_ORDER* cacheBitmap)
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{
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rdpBitmap* bitmap;
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rdpBitmap* prevBitmap;
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rdpCache* cache = context->cache;
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bitmap = Bitmap_Alloc(context);
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if (!bitmap)
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return FALSE;
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Bitmap_SetDimensions(bitmap, cacheBitmap->bitmapWidth,
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cacheBitmap->bitmapHeight);
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if (!bitmap->Decompress(context, bitmap,
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cacheBitmap->bitmapDataStream, cacheBitmap->bitmapWidth,
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cacheBitmap->bitmapHeight,
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cacheBitmap->bitmapBpp, cacheBitmap->bitmapLength,
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cacheBitmap->compressed, RDP_CODEC_ID_NONE))
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{
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Bitmap_Free(context, bitmap);
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return FALSE;
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}
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if (!bitmap->New(context, bitmap))
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{
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Bitmap_Free(context, bitmap);
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return FALSE;
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}
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prevBitmap = bitmap_cache_get(cache->bitmap, cacheBitmap->cacheId,
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cacheBitmap->cacheIndex);
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Bitmap_Free(context, prevBitmap);
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return bitmap_cache_put(cache->bitmap, cacheBitmap->cacheId,
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cacheBitmap->cacheIndex,
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bitmap);
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}
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static BOOL update_gdi_cache_bitmap_v2(rdpContext* context,
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CACHE_BITMAP_V2_ORDER* cacheBitmapV2)
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{
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rdpBitmap* bitmap;
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rdpBitmap* prevBitmap;
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rdpCache* cache = context->cache;
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rdpSettings* settings = context->settings;
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bitmap = Bitmap_Alloc(context);
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if (!bitmap)
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return FALSE;
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if (!cacheBitmapV2->bitmapBpp)
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cacheBitmapV2->bitmapBpp = settings->ColorDepth;
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if ((settings->ColorDepth == 15) && (cacheBitmapV2->bitmapBpp == 16))
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cacheBitmapV2->bitmapBpp = settings->ColorDepth;
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Bitmap_SetDimensions(bitmap, cacheBitmapV2->bitmapWidth,
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cacheBitmapV2->bitmapHeight);
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if (!bitmap->Decompress(context, bitmap,
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cacheBitmapV2->bitmapDataStream,
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cacheBitmapV2->bitmapWidth,
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cacheBitmapV2->bitmapHeight,
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cacheBitmapV2->bitmapBpp,
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cacheBitmapV2->bitmapLength,
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cacheBitmapV2->compressed,
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RDP_CODEC_ID_NONE))
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{
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Bitmap_Free(context, bitmap);
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return FALSE;
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}
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prevBitmap = bitmap_cache_get(cache->bitmap, cacheBitmapV2->cacheId,
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cacheBitmapV2->cacheIndex);
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if (!bitmap->New(context, bitmap))
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{
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Bitmap_Free(context, bitmap);
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return FALSE;
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}
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Bitmap_Free(context, prevBitmap);
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return bitmap_cache_put(cache->bitmap, cacheBitmapV2->cacheId,
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cacheBitmapV2->cacheIndex, bitmap);
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}
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static BOOL update_gdi_cache_bitmap_v3(rdpContext* context,
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CACHE_BITMAP_V3_ORDER* cacheBitmapV3)
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{
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rdpBitmap* bitmap;
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rdpBitmap* prevBitmap;
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BOOL compressed = TRUE;
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rdpCache* cache = context->cache;
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rdpSettings* settings = context->settings;
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BITMAP_DATA_EX* bitmapData = &cacheBitmapV3->bitmapData;
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bitmap = Bitmap_Alloc(context);
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if (!bitmap)
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return FALSE;
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if (!cacheBitmapV3->bpp)
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cacheBitmapV3->bpp = settings->ColorDepth;
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compressed = (bitmapData->codecID != RDP_CODEC_ID_NONE);
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Bitmap_SetDimensions(bitmap, bitmapData->width, bitmapData->height);
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if (!bitmap->Decompress(context, bitmap,
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bitmapData->data, bitmapData->width, bitmapData->height,
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bitmapData->bpp, bitmapData->length, compressed,
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bitmapData->codecID))
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{
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Bitmap_Free(context, bitmap);
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return FALSE;
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}
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if (!bitmap->New(context, bitmap))
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{
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Bitmap_Free(context, bitmap);
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return FALSE;
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}
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prevBitmap = bitmap_cache_get(cache->bitmap, cacheBitmapV3->cacheId,
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cacheBitmapV3->cacheIndex);
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Bitmap_Free(context, prevBitmap);
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return bitmap_cache_put(cache->bitmap, cacheBitmapV3->cacheId,
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cacheBitmapV3->cacheIndex, bitmap);
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}
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rdpBitmap* bitmap_cache_get(rdpBitmapCache* bitmapCache, UINT32 id,
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UINT32 index)
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{
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1fb8d4 |
rdpBitmap* bitmap;
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if (id > bitmapCache->maxCells)
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{
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WLog_ERR(TAG, "get invalid bitmap cell id: %"PRIu32"", id);
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return NULL;
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}
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if (index == BITMAP_CACHE_WAITING_LIST_INDEX)
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{
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index = bitmapCache->cells[id].number;
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}
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else if (index > bitmapCache->cells[id].number)
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{
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1fb8d4 |
WLog_ERR(TAG, "get invalid bitmap index %"PRIu32" in cell id: %"PRIu32"", index, id);
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return NULL;
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1fb8d4 |
}
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bitmap = bitmapCache->cells[id].entries[index];
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1fb8d4 |
return bitmap;
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1fb8d4 |
}
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1fb8d4 |
BOOL bitmap_cache_put(rdpBitmapCache* bitmapCache, UINT32 id, UINT32 index,
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1fb8d4 |
rdpBitmap* bitmap)
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{
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1fb8d4 |
if (id > bitmapCache->maxCells)
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1fb8d4 |
{
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1fb8d4 |
WLog_ERR(TAG, "put invalid bitmap cell id: %"PRIu32"", id);
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1fb8d4 |
return FALSE;
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1fb8d4 |
}
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1fb8d4 |
|
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1fb8d4 |
if (index == BITMAP_CACHE_WAITING_LIST_INDEX)
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1fb8d4 |
{
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1fb8d4 |
index = bitmapCache->cells[id].number;
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1fb8d4 |
}
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1fb8d4 |
else if (index > bitmapCache->cells[id].number)
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1fb8d4 |
{
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Packit |
1fb8d4 |
WLog_ERR(TAG, "put invalid bitmap index %"PRIu32" in cell id: %"PRIu32"", index, id);
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Packit |
1fb8d4 |
return FALSE;
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1fb8d4 |
}
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1fb8d4 |
|
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1fb8d4 |
bitmapCache->cells[id].entries[index] = bitmap;
|
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1fb8d4 |
return TRUE;
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1fb8d4 |
}
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1fb8d4 |
|
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1fb8d4 |
void bitmap_cache_register_callbacks(rdpUpdate* update)
|
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1fb8d4 |
{
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1fb8d4 |
rdpCache* cache = update->context->cache;
|
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1fb8d4 |
cache->bitmap->MemBlt = update->primary->MemBlt;
|
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Packit |
1fb8d4 |
cache->bitmap->Mem3Blt = update->primary->Mem3Blt;
|
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1fb8d4 |
update->primary->MemBlt = update_gdi_memblt;
|
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1fb8d4 |
update->primary->Mem3Blt = update_gdi_mem3blt;
|
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Packit |
1fb8d4 |
update->secondary->CacheBitmap = update_gdi_cache_bitmap;
|
|
Packit |
1fb8d4 |
update->secondary->CacheBitmapV2 = update_gdi_cache_bitmap_v2;
|
|
Packit |
1fb8d4 |
update->secondary->CacheBitmapV3 = update_gdi_cache_bitmap_v3;
|
|
Packit |
1fb8d4 |
update->BitmapUpdate = gdi_bitmap_update;
|
|
Packit |
1fb8d4 |
}
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
rdpBitmapCache* bitmap_cache_new(rdpSettings* settings)
|
|
Packit |
1fb8d4 |
{
|
|
Packit |
1fb8d4 |
int i;
|
|
Packit |
1fb8d4 |
rdpBitmapCache* bitmapCache;
|
|
Packit |
1fb8d4 |
bitmapCache = (rdpBitmapCache*) calloc(1, sizeof(rdpBitmapCache));
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
if (!bitmapCache)
|
|
Packit |
1fb8d4 |
return NULL;
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
bitmapCache->settings = settings;
|
|
Packit |
1fb8d4 |
bitmapCache->update = ((freerdp*) settings->instance)->update;
|
|
Packit |
1fb8d4 |
bitmapCache->context = bitmapCache->update->context;
|
|
Packit |
1fb8d4 |
bitmapCache->maxCells = settings->BitmapCacheV2NumCells;
|
|
Packit |
1fb8d4 |
bitmapCache->cells = (BITMAP_V2_CELL*) calloc(bitmapCache->maxCells,
|
|
Packit |
1fb8d4 |
sizeof(BITMAP_V2_CELL));
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
if (!bitmapCache->cells)
|
|
Packit |
1fb8d4 |
goto fail;
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
for (i = 0; i < (int) bitmapCache->maxCells; i++)
|
|
Packit |
1fb8d4 |
{
|
|
Packit |
1fb8d4 |
bitmapCache->cells[i].number = settings->BitmapCacheV2CellInfo[i].numEntries;
|
|
Packit |
1fb8d4 |
/* allocate an extra entry for BITMAP_CACHE_WAITING_LIST_INDEX */
|
|
Packit |
1fb8d4 |
bitmapCache->cells[i].entries = (rdpBitmap**) calloc((
|
|
Packit |
1fb8d4 |
bitmapCache->cells[i].number + 1), sizeof(rdpBitmap*));
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
if (!bitmapCache->cells[i].entries)
|
|
Packit |
1fb8d4 |
goto fail;
|
|
Packit |
1fb8d4 |
}
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
return bitmapCache;
|
|
Packit |
1fb8d4 |
fail:
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
if (bitmapCache->cells)
|
|
Packit |
1fb8d4 |
{
|
|
Packit |
1fb8d4 |
for (i = 0; i < (int) bitmapCache->maxCells; i++)
|
|
Packit |
1fb8d4 |
free(bitmapCache->cells[i].entries);
|
|
Packit |
1fb8d4 |
}
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
free(bitmapCache);
|
|
Packit |
1fb8d4 |
return NULL;
|
|
Packit |
1fb8d4 |
}
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
void bitmap_cache_free(rdpBitmapCache* bitmapCache)
|
|
Packit |
1fb8d4 |
{
|
|
Packit |
1fb8d4 |
int i, j;
|
|
Packit |
1fb8d4 |
rdpBitmap* bitmap;
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
if (bitmapCache)
|
|
Packit |
1fb8d4 |
{
|
|
Packit |
1fb8d4 |
for (i = 0; i < (int) bitmapCache->maxCells; i++)
|
|
Packit |
1fb8d4 |
{
|
|
Packit |
1fb8d4 |
for (j = 0; j < (int) bitmapCache->cells[i].number + 1; j++)
|
|
Packit |
1fb8d4 |
{
|
|
Packit |
1fb8d4 |
bitmap = bitmapCache->cells[i].entries[j];
|
|
Packit |
1fb8d4 |
Bitmap_Free(bitmapCache->context, bitmap);
|
|
Packit |
1fb8d4 |
}
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
free(bitmapCache->cells[i].entries);
|
|
Packit |
1fb8d4 |
}
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
free(bitmapCache->cells);
|
|
Packit |
1fb8d4 |
free(bitmapCache);
|
|
Packit |
1fb8d4 |
}
|
|
Packit |
1fb8d4 |
}
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
static void free_bitmap_data(BITMAP_DATA* data, size_t count)
|
|
Packit |
1fb8d4 |
{
|
|
Packit |
1fb8d4 |
size_t x;
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
if (!data)
|
|
Packit |
1fb8d4 |
return;
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
for (x = 0; x < count; x++)
|
|
Packit |
1fb8d4 |
free(data[x].bitmapDataStream);
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
free(data);
|
|
Packit |
1fb8d4 |
}
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
static BITMAP_DATA* copy_bitmap_data(const BITMAP_DATA* data, size_t count)
|
|
Packit |
1fb8d4 |
{
|
|
Packit |
1fb8d4 |
size_t x;
|
|
Packit |
1fb8d4 |
BITMAP_DATA* dst = (BITMAP_DATA*) calloc(count, sizeof(BITMAP_DATA));
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
if (!dst)
|
|
Packit |
1fb8d4 |
goto fail;
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
for (x = 0; x < count; x++)
|
|
Packit |
1fb8d4 |
{
|
|
Packit |
1fb8d4 |
dst[x] = data[x];
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
if (data[x].bitmapLength > 0)
|
|
Packit |
1fb8d4 |
{
|
|
Packit |
1fb8d4 |
dst[x].bitmapDataStream = malloc(data[x].bitmapLength);
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
if (!dst[x].bitmapDataStream)
|
|
Packit |
1fb8d4 |
goto fail;
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
memcpy(dst[x].bitmapDataStream, data[x].bitmapDataStream, data[x].bitmapLength);
|
|
Packit |
1fb8d4 |
}
|
|
Packit |
1fb8d4 |
}
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
return dst;
|
|
Packit |
1fb8d4 |
fail:
|
|
Packit |
1fb8d4 |
free_bitmap_data(dst, count);
|
|
Packit |
1fb8d4 |
return NULL;
|
|
Packit |
1fb8d4 |
}
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
void free_bitmap_update(rdpContext* context, BITMAP_UPDATE* pointer)
|
|
Packit |
1fb8d4 |
{
|
|
Packit |
1fb8d4 |
if (!pointer)
|
|
Packit |
1fb8d4 |
return;
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
free_bitmap_data(pointer->rectangles, pointer->number);
|
|
Packit |
1fb8d4 |
free(pointer);
|
|
Packit |
1fb8d4 |
}
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
BITMAP_UPDATE* copy_bitmap_update(rdpContext* context, const BITMAP_UPDATE* pointer)
|
|
Packit |
1fb8d4 |
{
|
|
Packit |
1fb8d4 |
BITMAP_UPDATE* dst = calloc(1, sizeof(BITMAP_UPDATE));
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
if (!dst || !pointer)
|
|
Packit |
1fb8d4 |
goto fail;
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
*dst = *pointer;
|
|
Packit |
1fb8d4 |
dst->rectangles = copy_bitmap_data(pointer->rectangles, pointer->number);
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
if (!dst->rectangles)
|
|
Packit |
1fb8d4 |
goto fail;
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
return dst;
|
|
Packit |
1fb8d4 |
fail:
|
|
Packit |
1fb8d4 |
free_bitmap_update(context, dst);
|
|
Packit |
1fb8d4 |
return NULL;
|
|
Packit |
1fb8d4 |
}
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
CACHE_BITMAP_ORDER* copy_cache_bitmap_order(rdpContext* context, const CACHE_BITMAP_ORDER* order)
|
|
Packit |
1fb8d4 |
{
|
|
Packit |
1fb8d4 |
CACHE_BITMAP_ORDER* dst = calloc(1, sizeof(CACHE_BITMAP_ORDER));
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
if (!dst || !order)
|
|
Packit |
1fb8d4 |
goto fail;
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
*dst = *order;
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
if (order->bitmapLength > 0)
|
|
Packit |
1fb8d4 |
{
|
|
Packit |
1fb8d4 |
dst->bitmapDataStream = malloc(order->bitmapLength);
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
if (!dst->bitmapDataStream)
|
|
Packit |
1fb8d4 |
goto fail;
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
memcpy(dst->bitmapDataStream, order->bitmapDataStream, order->bitmapLength);
|
|
Packit |
1fb8d4 |
}
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
return dst;
|
|
Packit |
1fb8d4 |
fail:
|
|
Packit |
1fb8d4 |
free_cache_bitmap_order(context, dst);
|
|
Packit |
1fb8d4 |
return NULL;
|
|
Packit |
1fb8d4 |
}
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
void free_cache_bitmap_order(rdpContext* context, CACHE_BITMAP_ORDER* order)
|
|
Packit |
1fb8d4 |
{
|
|
Packit |
1fb8d4 |
if (order)
|
|
Packit |
1fb8d4 |
free(order->bitmapDataStream);
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
free(order);
|
|
Packit |
1fb8d4 |
}
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
CACHE_BITMAP_V2_ORDER* copy_cache_bitmap_v2_order(rdpContext* context,
|
|
Packit |
1fb8d4 |
const CACHE_BITMAP_V2_ORDER* order)
|
|
Packit |
1fb8d4 |
{
|
|
Packit |
1fb8d4 |
CACHE_BITMAP_V2_ORDER* dst = calloc(1, sizeof(CACHE_BITMAP_V2_ORDER));
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
if (!dst || !order)
|
|
Packit |
1fb8d4 |
goto fail;
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
*dst = *order;
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
if (order->bitmapLength > 0)
|
|
Packit |
1fb8d4 |
{
|
|
Packit |
1fb8d4 |
dst->bitmapDataStream = malloc(order->bitmapLength);
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
if (!dst->bitmapDataStream)
|
|
Packit |
1fb8d4 |
goto fail;
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
memcpy(dst->bitmapDataStream, order->bitmapDataStream, order->bitmapLength);
|
|
Packit |
1fb8d4 |
}
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
return dst;
|
|
Packit |
1fb8d4 |
fail:
|
|
Packit |
1fb8d4 |
free_cache_bitmap_v2_order(context, dst);
|
|
Packit |
1fb8d4 |
return NULL;
|
|
Packit |
1fb8d4 |
}
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
void free_cache_bitmap_v2_order(rdpContext* context, CACHE_BITMAP_V2_ORDER* order)
|
|
Packit |
1fb8d4 |
{
|
|
Packit |
1fb8d4 |
if (order)
|
|
Packit |
1fb8d4 |
free(order->bitmapDataStream);
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
free(order);
|
|
Packit |
1fb8d4 |
}
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
CACHE_BITMAP_V3_ORDER* copy_cache_bitmap_v3_order(rdpContext* context,
|
|
Packit |
1fb8d4 |
const CACHE_BITMAP_V3_ORDER* order)
|
|
Packit |
1fb8d4 |
{
|
|
Packit |
1fb8d4 |
CACHE_BITMAP_V3_ORDER* dst = calloc(1, sizeof(CACHE_BITMAP_V3_ORDER));
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
if (!dst || !order)
|
|
Packit |
1fb8d4 |
goto fail;
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
*dst = *order;
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
if (order->bitmapData.length > 0)
|
|
Packit |
1fb8d4 |
{
|
|
Packit |
1fb8d4 |
dst->bitmapData.data = malloc(order->bitmapData.length);
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
if (!dst->bitmapData.data)
|
|
Packit |
1fb8d4 |
goto fail;
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
memcpy(dst->bitmapData.data, order->bitmapData.data, order->bitmapData.length);
|
|
Packit |
1fb8d4 |
}
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
return dst;
|
|
Packit |
1fb8d4 |
fail:
|
|
Packit |
1fb8d4 |
free_cache_bitmap_v3_order(context, dst);
|
|
Packit |
1fb8d4 |
return NULL;
|
|
Packit |
1fb8d4 |
}
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
void free_cache_bitmap_v3_order(rdpContext* context, CACHE_BITMAP_V3_ORDER* order)
|
|
Packit |
1fb8d4 |
{
|
|
Packit |
1fb8d4 |
if (order)
|
|
Packit |
1fb8d4 |
free(order->bitmapData.data);
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
free(order);
|
|
Packit |
1fb8d4 |
}
|