148 lines
3.3 KiB
C
148 lines
3.3 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Client
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* Brush 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/update.h>
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#include <freerdp/freerdp.h>
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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/brush.h>
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void update_gdi_patblt(rdpUpdate* update, PATBLT_ORDER* patblt)
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{
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rdpBrush* brush = &patblt->brush;
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rdpCache* cache = update->context->cache;
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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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brush->style = 0x03;
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}
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IFCALL(cache->brush->PatBlt, update, patblt);
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}
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void update_gdi_cache_brush(rdpUpdate* update, CACHE_BRUSH_ORDER* cache_brush)
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{
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rdpCache* cache = update->context->cache;
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brush_cache_put(cache->brush, cache_brush->index, cache_brush->data, cache_brush->bpp);
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}
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void* brush_cache_get(rdpBrushCache* brush, uint8 index, uint8* bpp)
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{
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void* entry;
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if (*bpp == 1)
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{
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if (index > brush->maxMonoEntries)
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{
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printf("invalid brush (%d bpp) index: 0x%04X\n", *bpp, index);
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return NULL;
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}
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*bpp = brush->monoEntries[index].bpp;
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entry = brush->monoEntries[index].entry;
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}
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else
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{
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if (index > brush->maxEntries)
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{
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printf("invalid brush (%d bpp) index: 0x%04X\n", *bpp, index);
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return NULL;
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}
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*bpp = brush->entries[index].bpp;
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entry = brush->entries[index].entry;
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}
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if (entry == NULL)
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{
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printf("invalid brush (%d bpp) at index: 0x%04X\n", *bpp, 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 brush_cache_put(rdpBrushCache* brush, uint8 index, void* entry, uint8 bpp)
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{
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if (bpp == 1)
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{
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if (index > brush->maxMonoEntries)
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{
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printf("invalid brush (%d bpp) index: 0x%04X\n", bpp, index);
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return;
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}
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brush->monoEntries[index].bpp = bpp;
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brush->monoEntries[index].entry = entry;
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}
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else
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{
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if (index > brush->maxEntries)
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{
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printf("invalid brush (%d bpp) index: 0x%04X\n", bpp, index);
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return;
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}
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brush->entries[index].bpp = bpp;
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brush->entries[index].entry = entry;
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}
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}
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void brush_cache_register_callbacks(rdpUpdate* update)
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{
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rdpCache* cache = update->context->cache;
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cache->brush->PatBlt = update->PatBlt;
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update->PatBlt = update_gdi_patblt;
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update->CacheBrush = update_gdi_cache_brush;
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}
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rdpBrushCache* brush_cache_new(rdpSettings* settings)
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{
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rdpBrushCache* brush;
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brush = (rdpBrushCache*) xzalloc(sizeof(rdpBrushCache));
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if (brush != NULL)
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{
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brush->settings = settings;
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brush->maxEntries = 64;
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brush->maxMonoEntries = 64;
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brush->entries = (BRUSH_ENTRY*) xzalloc(sizeof(BRUSH_ENTRY) * brush->maxEntries);
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brush->monoEntries = (BRUSH_ENTRY*) xzalloc(sizeof(BRUSH_ENTRY) * brush->maxMonoEntries);
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}
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return brush;
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}
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void brush_cache_free(rdpBrushCache* brush)
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{
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if (brush != NULL)
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{
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xfree(brush->entries);
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xfree(brush->monoEntries);
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xfree(brush);
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}
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}
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