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Diffstat (limited to 'src/windows/native/sun/java2d/d3d/D3DGlyphCache.h')
-rw-r--r-- | src/windows/native/sun/java2d/d3d/D3DGlyphCache.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/src/windows/native/sun/java2d/d3d/D3DGlyphCache.h b/src/windows/native/sun/java2d/d3d/D3DGlyphCache.h new file mode 100644 index 000000000..8edb499fb --- /dev/null +++ b/src/windows/native/sun/java2d/d3d/D3DGlyphCache.h @@ -0,0 +1,89 @@ +/* + * Copyright 2007-2008 Sun Microsystems, Inc. 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. Sun designates this + * particular file as subject to the "Classpath" exception as provided + * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.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 |