dali/devel-api/text-abstraction/font-client.cpp

   1 /*
   2  * Copyright (c) 2020 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 // CLASS HEADER
  19 #include <dali/devel-api/text-abstraction/font-client.h>
  20
  21 // INTERNAL INCLUDES
  22 #include <dali/internal/text/text-abstraction/font-client-impl.h>
  23
  24 namespace Dali
  25 {
  26 namespace TextAbstraction
  27 {
  28 const PointSize26Dot6 FontClient::DEFAULT_POINT_SIZE   = 768u;                           // 12*64
  29 const float           FontClient::DEFAULT_ITALIC_ANGLE = 12.f * Dali::Math::PI_OVER_180; // FreeType documentation states the software italic is done by doing a horizontal shear of 12 degrees (file ftsynth.h).
  30
  31 FontClient::GlyphBufferData::GlyphBufferData()
  32 : buffer{nullptr},
  33   width{0u},
  34   height{0u},
  35   outlineOffsetX{0},
  36   outlineOffsetY{0},
  37   format{Pixel::A8},
  38   isColorEmoji{false},
  39   isColorBitmap{false}
  40 {
  41 }
  42
  43 FontClient::GlyphBufferData::~GlyphBufferData()
  44 {
  45 }
  46
  47 FontClient FontClient::Get()
  48 {
  49   return Internal::FontClient::Get();
  50 }
  51
  52 FontClient::FontClient()
  53 {
  54 }
  55
  56 FontClient::~FontClient()
  57 {
  58 }
  59
  60 FontClient::FontClient(const FontClient& handle)
  61 : BaseHandle(handle)
  62 {
  63 }
  64
  65 FontClient& FontClient::operator=(const FontClient& handle)
  66 {
  67   BaseHandle::operator=(handle);
  68   return *this;
  69 }
  70
  71 void FontClient::ClearCache()
  72 {
  73   GetImplementation(*this).ClearCache();
  74 }
  75
  76 void FontClient::SetDpi(unsigned int horizontalDpi, unsigned int verticalDpi)
  77 {
  78   GetImplementation(*this).SetDpi(horizontalDpi, verticalDpi);
  79 }
  80
  81 void FontClient::GetDpi(unsigned int& horizontalDpi, unsigned int& verticalDpi)
  82 {
  83   GetImplementation(*this).GetDpi(horizontalDpi, verticalDpi);
  84 }
  85
  86 int FontClient::GetDefaultFontSize()
  87 {
  88   return GetImplementation(*this).GetDefaultFontSize();
  89 }
  90
  91 void FontClient::ResetSystemDefaults()
  92 {
  93   GetImplementation(*this).ResetSystemDefaults();
  94 }
  95
  96 void FontClient::GetDefaultFonts(FontList& defaultFonts)
  97 {
  98   GetImplementation(*this).GetDefaultFonts(defaultFonts);
  99 }
 100
 101 void FontClient::GetDefaultPlatformFontDescription(FontDescription& fontDescription)
 102 {
 103   GetImplementation(*this).GetDefaultPlatformFontDescription(fontDescription);
 104 }
 105
 106 void FontClient::GetSystemFonts(FontList& systemFonts)
 107 {
 108   GetImplementation(*this).GetSystemFonts(systemFonts);
 109 }
 110
 111 void FontClient::GetDescription(FontId id, FontDescription& fontDescription)
 112 {
 113   GetImplementation(*this).GetDescription(id, fontDescription);
 114 }
 115
 116 PointSize26Dot6 FontClient::GetPointSize(FontId id)
 117 {
 118   return GetImplementation(*this).GetPointSize(id);
 119 }
 120
 121 bool FontClient::IsCharacterSupportedByFont(FontId fontId, Character character)
 122 {
 123   return GetImplementation(*this).IsCharacterSupportedByFont(fontId, character);
 124 }
 125
 126 FontId FontClient::FindDefaultFont(Character       charcode,
 127                                    PointSize26Dot6 requestedPointSize,
 128                                    bool            preferColor)
 129 {
 130   return GetImplementation(*this).FindDefaultFont(charcode,
 131                                                   requestedPointSize,
 132                                                   preferColor);
 133 }
 134
 135 FontId FontClient::FindFallbackFont(Character              charcode,
 136                                     const FontDescription& preferredFontDescription,
 137                                     PointSize26Dot6        requestedPointSize,
 138                                     bool                   preferColor)
 139 {
 140   return GetImplementation(*this).FindFallbackFont(charcode, preferredFontDescription, requestedPointSize, preferColor);
 141 }
 142
 143 FontId FontClient::GetFontId(const FontPath& path, PointSize26Dot6 requestedPointSize, FaceIndex faceIndex)
 144 {
 145   return GetImplementation(*this).GetFontId(path, requestedPointSize, faceIndex);
 146 }
 147
 148 FontId FontClient::GetFontId(const FontDescription& fontDescription,
 149                              PointSize26Dot6        requestedPointSize,
 150                              FaceIndex              faceIndex)
 151 {
 152   return GetImplementation(*this).GetFontId(fontDescription,
 153                                             requestedPointSize,
 154                                             faceIndex);
 155 }
 156
 157 FontId FontClient::GetFontId(const BitmapFont& bitmapFont)
 158 {
 159   return GetImplementation(*this).GetFontId(bitmapFont);
 160 }
 161
 162 bool FontClient::IsScalable(const FontPath& path)
 163 {
 164   return GetImplementation(*this).IsScalable(path);
 165 }
 166
 167 bool FontClient::IsScalable(const FontDescription& fontDescription)
 168 {
 169   return GetImplementation(*this).IsScalable(fontDescription);
 170 }
 171
 172 void FontClient::GetFixedSizes(const FontPath& path, Dali::Vector<PointSize26Dot6>& sizes)
 173 {
 174   GetImplementation(*this).GetFixedSizes(path, sizes);
 175 }
 176
 177 void FontClient::GetFixedSizes(const FontDescription&         fontDescription,
 178                                Dali::Vector<PointSize26Dot6>& sizes)
 179 {
 180   GetImplementation(*this).GetFixedSizes(fontDescription, sizes);
 181 }
 182
 183 bool FontClient::HasItalicStyle(FontId fontId) const
 184 {
 185   return GetImplementation(*this).HasItalicStyle(fontId);
 186 }
 187
 188 void FontClient::GetFontMetrics(FontId fontId, FontMetrics& metrics)
 189 {
 190   GetImplementation(*this).GetFontMetrics(fontId, metrics);
 191 }
 192
 193 GlyphIndex FontClient::GetGlyphIndex(FontId fontId, Character charcode)
 194 {
 195   return GetImplementation(*this).GetGlyphIndex(fontId, charcode);
 196 }
 197
 198 bool FontClient::GetGlyphMetrics(GlyphInfo* array, uint32_t size, GlyphType type, bool horizontal)
 199 {
 200   return GetImplementation(*this).GetGlyphMetrics(array, size, type, horizontal);
 201 }
 202
 203 void FontClient::CreateBitmap(FontId fontId, GlyphIndex glyphIndex, bool isItalicRequired, bool isBoldRequired, GlyphBufferData& data, int outlineWidth)
 204 {
 205   GetImplementation(*this).CreateBitmap(fontId, glyphIndex, isItalicRequired, isBoldRequired, data, outlineWidth);
 206 }
 207
 208 PixelData FontClient::CreateBitmap(FontId fontId, GlyphIndex glyphIndex, int outlineWidth)
 209 {
 210   return GetImplementation(*this).CreateBitmap(fontId, glyphIndex, outlineWidth);
 211 }
 212
 213 void FontClient::CreateVectorBlob(FontId fontId, GlyphIndex glyphIndex, VectorBlob*& blob, unsigned int& blobLength, unsigned int& nominalWidth, unsigned int& nominalHeight)
 214 {
 215   GetImplementation(*this).CreateVectorBlob(fontId, glyphIndex, blob, blobLength, nominalWidth, nominalHeight);
 216 }
 217
 218 const GlyphInfo& FontClient::GetEllipsisGlyph(PointSize26Dot6 requestedPointSize)
 219 {
 220   return GetImplementation(*this).GetEllipsisGlyph(requestedPointSize);
 221 }
 222
 223 bool FontClient::IsColorGlyph(FontId fontId, GlyphIndex glyphIndex)
 224 {
 225   return GetImplementation(*this).IsColorGlyph(fontId, glyphIndex);
 226 }
 227
 228 bool FontClient::AddCustomFontDirectory(const FontPath& path)
 229 {
 230   return GetImplementation(*this).AddCustomFontDirectory(path);
 231 }
 232
 233 GlyphIndex FontClient::CreateEmbeddedItem(const EmbeddedItemDescription& description, Pixel::Format& pixelFormat)
 234 {
 235   return GetImplementation(*this).CreateEmbeddedItem(description, pixelFormat);
 236 }
 237
 238 FontClient::FontClient(Internal::FontClient* internal)
 239 : BaseHandle(internal)
 240 {
 241 }
 242
 243 FontClient FontClientPreInitialize()
 244 {
 245   return Internal::FontClient::PreInitialize();
 246 }
 247
 248 } // namespace TextAbstraction
 249
 250 } // namespace Dali