88 lines
2.1 KiB
C
88 lines
2.1 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Client
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* Offscreen Bitmap Cache
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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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#include <freerdp/utils/stream.h>
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#include <freerdp/utils/memory.h>
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#include <freerdp/cache/offscreen.h>
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void* offscreen_get(rdpOffscreen* offscreen, uint16 index)
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{
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void* bitmap;
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if (index > offscreen->maxEntries)
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{
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printf("invalid offscreen bitmap index: 0x%04X\n", index);
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return NULL;
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}
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bitmap = offscreen->entries[index].bitmap;
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if (bitmap == NULL)
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{
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printf("invalid offscreen bitmap at index: 0x%04X\n", index);
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return NULL;
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}
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return bitmap;
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}
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void offscreen_put(rdpOffscreen* offscreen, uint16 index, void* bitmap)
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{
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if (index > offscreen->maxEntries)
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{
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printf("invalid offscreen bitmap index: 0x%04X\n", index);
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return;
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}
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offscreen->entries[index].bitmap = bitmap;
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}
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rdpOffscreen* offscreen_new(rdpSettings* settings)
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{
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rdpOffscreen* offscreen;
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offscreen = (rdpOffscreen*) xzalloc(sizeof(rdpOffscreen));
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if (offscreen != NULL)
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{
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offscreen->settings = settings;
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offscreen->maxSize = 7680;
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offscreen->maxEntries = 100;
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settings->offscreen_bitmap_cache = True;
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settings->offscreen_bitmap_cache_size = offscreen->maxSize;
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settings->offscreen_bitmap_cache_entries = offscreen->maxEntries;
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offscreen->entries = (OFFSCREEN_ENTRY*) xzalloc(sizeof(OFFSCREEN_ENTRY) * offscreen->maxEntries);
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}
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return offscreen;
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}
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void offscreen_free(rdpOffscreen* offscreen)
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{
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if (offscreen != NULL)
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{
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xfree(offscreen->entries);
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xfree(offscreen);
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}
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}
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