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Diffstat (limited to 'cogl/cogl/cogl-atlas-texture-private.h')
-rw-r--r-- | cogl/cogl/cogl-atlas-texture-private.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/cogl/cogl/cogl-atlas-texture-private.h b/cogl/cogl/cogl-atlas-texture-private.h new file mode 100644 index 000000000..ba83bf9eb --- /dev/null +++ b/cogl/cogl/cogl-atlas-texture-private.h @@ -0,0 +1,81 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef _COGL_ATLAS_TEXTURE_PRIVATE_H_ +#define _COGL_ATLAS_TEXTURE_PRIVATE_H_ + +#include "cogl-object-private.h" +#include "cogl-texture-private.h" +#include "cogl-rectangle-map.h" +#include "cogl-atlas.h" +#include "cogl-atlas-texture.h" + +struct _CoglAtlasTexture +{ + CoglTexture _parent; + + /* The format that the texture is in. This isn't necessarily the + same format as the atlas texture because we can store + pre-multiplied and non-pre-multiplied textures together */ + CoglPixelFormat internal_format; + + /* The rectangle that was used to add this texture to the + atlas. This includes the 1-pixel border */ + CoglRectangleMapEntry rectangle; + + /* The atlas that this texture is in. If the texture is no longer in + an atlas then this will be NULL. A reference is taken on the + atlas by the texture (but not vice versa so there is no cycle) */ + CoglAtlas *atlas; + + /* Either a CoglSubTexture representing the atlas region for easy + * rendering or if the texture has been migrated out of the atlas it + * may be some other texture type such as CoglTexture2D */ + CoglTexture *sub_texture; +}; + +CoglAtlasTexture * +_cogl_atlas_texture_new_from_bitmap (CoglBitmap *bmp, + CoglBool can_convert_in_place); + +void +_cogl_atlas_texture_add_reorganize_callback (CoglContext *ctx, + GHookFunc callback, + void *user_data); + +void +_cogl_atlas_texture_remove_reorganize_callback (CoglContext *ctx, + GHookFunc callback, + void *user_data); + +CoglBool +_cogl_is_atlas_texture (void *object); + +#endif /* _COGL_ATLAS_TEXTURE_PRIVATE_H_ */ |