mirror of https://github.com/FreeRDP/FreeRDP
104 lines
2.6 KiB
C
104 lines
2.6 KiB
C
/**
|
|
* FreeRDP: A Remote Desktop Protocol Implementation
|
|
* Palette (Color Table) Cache
|
|
*
|
|
* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <winpr/crt.h>
|
|
|
|
#include <freerdp/cache/palette.h>
|
|
|
|
void update_gdi_cache_color_table(rdpContext* context, CACHE_COLOR_TABLE_ORDER* cache_color_table)
|
|
{
|
|
UINT32* colorTable;
|
|
rdpCache* cache = context->cache;
|
|
|
|
colorTable = (UINT32*) malloc(sizeof(UINT32) * 256);
|
|
CopyMemory(colorTable, cache_color_table->colorTable, sizeof(UINT32) * 256);
|
|
|
|
palette_cache_put(cache->palette, cache_color_table->cacheIndex, (void*) colorTable);
|
|
}
|
|
|
|
void* palette_cache_get(rdpPaletteCache* palette_cache, UINT32 index)
|
|
{
|
|
void* entry;
|
|
|
|
if (index >= palette_cache->maxEntries)
|
|
{
|
|
fprintf(stderr, "invalid color table index: 0x%04X\n", index);
|
|
return NULL;
|
|
}
|
|
|
|
entry = palette_cache->entries[index].entry;
|
|
|
|
if (entry == NULL)
|
|
{
|
|
fprintf(stderr, "invalid color table at index: 0x%04X\n", index);
|
|
return NULL;
|
|
}
|
|
|
|
return entry;
|
|
}
|
|
|
|
void palette_cache_put(rdpPaletteCache* palette_cache, UINT32 index, void* entry)
|
|
{
|
|
if (index >= palette_cache->maxEntries)
|
|
{
|
|
fprintf(stderr, "invalid color table index: 0x%04X\n", index);
|
|
return;
|
|
}
|
|
|
|
palette_cache->entries[index].entry = entry;
|
|
}
|
|
|
|
void palette_cache_register_callbacks(rdpUpdate* update)
|
|
{
|
|
update->secondary->CacheColorTable = update_gdi_cache_color_table;
|
|
}
|
|
|
|
rdpPaletteCache* palette_cache_new(rdpSettings* settings)
|
|
{
|
|
rdpPaletteCache* palette_cache;
|
|
|
|
palette_cache = (rdpPaletteCache*) malloc(sizeof(rdpPaletteCache));
|
|
ZeroMemory(palette_cache, sizeof(rdpPaletteCache));
|
|
|
|
if (palette_cache != NULL)
|
|
{
|
|
palette_cache->settings = settings;
|
|
palette_cache->maxEntries = 6;
|
|
palette_cache->entries = (PALETTE_TABLE_ENTRY*) malloc(sizeof(PALETTE_TABLE_ENTRY) * palette_cache->maxEntries);
|
|
ZeroMemory(palette_cache->entries, sizeof(PALETTE_TABLE_ENTRY) * palette_cache->maxEntries);
|
|
}
|
|
|
|
return palette_cache;
|
|
}
|
|
|
|
void palette_cache_free(rdpPaletteCache* palette_cache)
|
|
{
|
|
if (palette_cache != NULL)
|
|
{
|
|
free(palette_cache->entries);
|
|
free(palette_cache);
|
|
}
|
|
}
|