| /* |
| * Copyright (c) 2007, 2008, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| #ifndef D3DGLYPHCACHE_H |
| #define D3DGLYPHCACHE_H |
| |
| #include "AccelGlyphCache.h" |
| #include "D3DContext.h" |
| #include "D3DResourceManager.h" |
| |
| typedef enum { |
| CACHE_GRAY, |
| CACHE_LCD |
| } GlyphCacheType; |
| |
| class D3DContext; |
| class D3DResource; |
| |
| class D3DGlyphCache { |
| public: |
| // creates accel. glyph cache if it wasn't created, and the glyph |
| // cache texure |
| HRESULT Init(D3DContext *pCtx); |
| // releases the glyph cache texture, invalidates the accel. glyph cache |
| void ReleaseDefPoolResources(); |
| // releases texture and deletes the accel. glyph cache |
| ~D3DGlyphCache(); |
| |
| // adds the glyph to the accel. glyph cache and uploads it into the glyph |
| // cache texture |
| HRESULT AddGlyph(GlyphInfo *glyph); |
| |
| GlyphCacheInfo* GetGlyphCache() { return pGlyphCache; } |
| D3DResource* GetGlyphCacheTexture() { return pGlyphCacheRes; } |
| |
| // Note: only applicable to CACHE_LCD type of the cache |
| // if the new rgb order doesn't match the current one, invalidates |
| // the accel. glyph cache, also resets the current tileFormat |
| HRESULT CheckGlyphCacheByteOrder(jboolean rgbOrder); |
| |
| static |
| HRESULT CreateInstance(D3DContext *pCtx, |
| GlyphCacheType gcType, |
| D3DGlyphCache **ppGlyphCache); |
| |
| private: |
| D3DGlyphCache(GlyphCacheType gcType); |
| |
| D3DContext *pCtx; |
| GlyphCacheType gcType; |
| D3DResource *pGlyphCacheRes; |
| GlyphCacheInfo *pGlyphCache; |
| TileFormat tileFormat; |
| /** |
| * Relevant only for the CACHE_LCD cache type. |
| * |
| * This value tracks the previous LCD rgbOrder setting, so if the rgbOrder |
| * value has changed since the last time, it indicates that we need to |
| * invalidate the cache, which may already store glyph images in the |
| * reverse order. Note that in most real world applications this value |
| * will not change over the course of the application, but tests like |
| * Font2DTest allow for changing the ordering at runtime, so we need to |
| * handle that case. |
| */ |
| jboolean lastRGBOrder; |
| }; |
| #endif // D3DGLYPHCACHE_H |