1 #ifndef __DALI_TOOLKIT_ATLAS_GLYPH_MANAGER_H__
2 #define __DALI_TOOLKIT_ATLAS_GLYPH_MANAGER_H__
5 * Copyright (c) 2015 Samsung Electronics Co., Ltd.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
22 #include <dali-toolkit/internal/atlas-manager/atlas-manager.h>
23 #include <dali-toolkit/internal/text/text-definitions.h>
31 namespace Internal DALI_INTERNAL
33 class AtlasGlyphManager;
37 class DALI_IMPORT_API AtlasGlyphManager : public BaseHandle
42 * @brief Create a AtlasGlyphManager handle.
44 * Calling member functions with an uninitialised handle is not allowed.
51 * This is non-virtual since derived Handle types must not contain data or virtual methods.
56 * @brief Create or retrieve AtlasGlyphManager singleton.
58 * @return A handle to the AtlasGlyphManager control.
60 static AtlasGlyphManager Get();
63 * @brief Ask Atlas Manager to add a glyph
65 * @param[in] glyph glyph to add to an atlas
66 * @param[in] bitmap bitmap to use for glyph addition
67 * @param[out] slot information returned by atlas manager for addition
69 void Add( const Text::GlyphInfo& glyph,
70 const BufferImage& bitmap,
71 AtlasManager::AtlasSlot& slot );
74 * @brief Generate mesh data for an image contained in an atlas
76 * @param[in] imageId ID of image to generate geometry for
77 * @param[in] position top left of image
78 * @param[out] meshData generated MeshData
80 void GenerateMeshData( uint32_t imageId,
81 const Vector2& position,
85 * @brief Stitch Two Meshes together
87 * @param[in] first first mesh
88 * @param[in] second second mesh
90 void StitchMesh( MeshData& first,
91 const MeshData& second );
94 * @brief Check to see if a glyph is being cached
96 * @param[in] fontId The font that this glyph comes from
97 * @param[in] index The GlyphIndex of this glyph
98 * @param[out] slot container holding information about the glyph( mImage = 0 indicates not being cached )
100 void Cached( Text::FontId fontId,
101 Text::GlyphIndex index,
102 AtlasManager::AtlasSlot& slot );
105 * @brief Set the Atlas size and block size for subsequent atlas generation
107 * @param[in] size size of the atlas in pixels
108 * @param[in] blockSize size of a block in this atlas in pixels
110 void SetAtlasSize( const Vector2& size,
111 const Vector2& blockSize );
114 * @brief Unreference an image from the atlas and remove from cache if no longer needed
116 * @param[in] imageId ID of the image
118 void Remove( uint32_t imageId );
121 * @brief Get the Pixel Format used by an atlas
123 * @param atlasId Id of atlas to check
124 * @return The pixel format of the atlas
126 Pixel::Format GetPixelFormat( uint32_t atlasId );
130 explicit DALI_INTERNAL AtlasGlyphManager(Internal::AtlasGlyphManager *impl);
134 } // namespace Toolkit
138 #endif // __DALI_TOOLKIT_ATLAS_GLYPH_MANAGER_H__