Milestone 5: deliver embedded RDP sessions and lifecycle hardening

third_party/FreeRDP/libfreerdp/cache/glyph.h

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+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ *
+ * Copyright 2018 Armin Novak <armin.novak@thincast.com>
+ * Copyright 2018 Thincast Technologies GmbH
+ *
+ * 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.
+ */
+
+#ifndef FREERDP_LIB_CACHE_GLYPH_H
+#define FREERDP_LIB_CACHE_GLYPH_H
+
+#include <freerdp/api.h>
+#include <freerdp/freerdp.h>
+#include <freerdp/pointer.h>
+
+typedef struct
+{
+	UINT32 number;
+	UINT32 maxCellSize;
+	rdpGlyph** entries;
+} GLYPH_CACHE;
+
+typedef struct
+{
+	void* fragment;
+	UINT32 size;
+} FRAGMENT_CACHE_ENTRY;
+
+typedef struct
+{
+	FRAGMENT_CACHE_ENTRY entries[256];
+} FRAGMENT_CACHE;
+
+typedef struct
+{
+	FRAGMENT_CACHE fragCache;
+	GLYPH_CACHE glyphCache[10];
+
+	wLog* log;
+	rdpContext* context;
+} rdpGlyphCache;
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+	FREERDP_LOCAL void glyph_cache_register_callbacks(rdpUpdate* update);
+
+	FREERDP_LOCAL void glyph_cache_free(rdpGlyphCache* glyph);
+
+	WINPR_ATTR_MALLOC(glyph_cache_free, 1)
+	WINPR_ATTR_NODISCARD
+	FREERDP_LOCAL rdpGlyphCache* glyph_cache_new(rdpContext* context);
+
+	FREERDP_LOCAL void free_cache_glyph_order(rdpContext* context, CACHE_GLYPH_ORDER* glyph);
+
+	WINPR_ATTR_MALLOC(free_cache_glyph_order, 1)
+	WINPR_ATTR_NODISCARD
+	FREERDP_LOCAL CACHE_GLYPH_ORDER* copy_cache_glyph_order(rdpContext* context,
+	                                                        const CACHE_GLYPH_ORDER* glyph);
+
+	FREERDP_LOCAL void free_cache_glyph_v2_order(rdpContext* context, CACHE_GLYPH_V2_ORDER* glyph);
+
+	WINPR_ATTR_MALLOC(free_cache_glyph_v2_order, 1)
+	WINPR_ATTR_NODISCARD
+	FREERDP_LOCAL CACHE_GLYPH_V2_ORDER*
+	copy_cache_glyph_v2_order(rdpContext* context, const CACHE_GLYPH_V2_ORDER* glyph);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* FREERDP_LIB_CACHE_GLYPH_H */