2 * Copyright (c) 2016 Samsung Electronics Co., Ltd.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
19 #include <dali-toolkit/internal/text/markup-processor-font.h>
22 #include <dali/public-api/common/dali-vector.h>
26 #include <dali-toolkit/internal/text/font-description-run.h>
27 #include <dali-toolkit/internal/text/markup-processor-helper-functions.h>
28 #include <dali-toolkit/internal/text/text-font-style.h>
41 const std::string XHTML_FAMILY_ATTRIBUTE("family");
42 const std::string XHTML_SIZE_ATTRIBUTE("size");
43 const std::string XHTML_WEIGHT_ATTRIBUTE("weight");
44 const std::string XHTML_WIDTH_ATTRIBUTE("width");
45 const std::string XHTML_SLANT_ATTRIBUTE("slant");
47 const unsigned int MAX_FONT_ATTRIBUTE_SIZE = 15u; ///< The maximum length of any of the possible 'weight', 'width' or 'slant' values.
50 void ProcessFontTag( const Tag& tag, FontDescriptionRun& fontRun )
52 for( Vector<Attribute>::ConstIterator it = tag.attributes.Begin(),
53 endIt = tag.attributes.End();
57 const Attribute& attribute( *it );
58 if( TokenComparison( XHTML_FAMILY_ATTRIBUTE, attribute.nameBuffer, attribute.nameLength ) )
60 fontRun.familyDefined = true;
61 fontRun.familyLength = attribute.valueLength;
62 fontRun.familyName = new char[fontRun.familyLength];
63 memcpy( fontRun.familyName, attribute.valueBuffer, fontRun.familyLength );
64 // The memory is freed when the font run is removed from the logical model.
66 else if( TokenComparison( XHTML_SIZE_ATTRIBUTE, attribute.nameBuffer, attribute.nameLength ) )
68 // 64.f is used to convert from point size to 26.6 pixel format.
69 fontRun.size = static_cast<PointSize26Dot6>( StringToFloat( attribute.valueBuffer ) * 64.f );
70 fontRun.sizeDefined = true;
72 else if( TokenComparison( XHTML_WEIGHT_ATTRIBUTE, attribute.nameBuffer, attribute.nameLength ) )
74 // The StringToWeight() uses the Scripting::GetEnumeration() function which requires the input string to end with a '\0' char.
75 char value[MAX_FONT_ATTRIBUTE_SIZE+1u];
76 const Length length = attribute.valueLength > MAX_FONT_ATTRIBUTE_SIZE ? MAX_FONT_ATTRIBUTE_SIZE : attribute.valueLength;
77 memcpy( value, attribute.valueBuffer, length );
80 fontRun.weight = StringToWeight( value );
81 fontRun.weightDefined = true;
83 else if( TokenComparison( XHTML_WIDTH_ATTRIBUTE, attribute.nameBuffer, attribute.nameLength ) )
85 // The StringToWidth() uses the Scripting::GetEnumeration() function which requires the input string to end with a '\0' char.
86 char value[MAX_FONT_ATTRIBUTE_SIZE+1u];
87 const Length length = attribute.valueLength > MAX_FONT_ATTRIBUTE_SIZE ? MAX_FONT_ATTRIBUTE_SIZE : attribute.valueLength;
88 memcpy( value, attribute.valueBuffer, length );
91 fontRun.width = StringToWidth( value );
92 fontRun.widthDefined = true;
94 else if( TokenComparison( XHTML_SLANT_ATTRIBUTE, attribute.nameBuffer, attribute.nameLength ) )
96 // The StringToSlant() uses the Scripting::GetEnumeration() function which requires the input string to end with a '\0' char.
97 char value[MAX_FONT_ATTRIBUTE_SIZE+1u];
98 const Length length = attribute.valueLength > MAX_FONT_ATTRIBUTE_SIZE ? MAX_FONT_ATTRIBUTE_SIZE : attribute.valueLength;
99 memcpy( value, attribute.valueBuffer, length );
102 fontRun.slant = StringToSlant( value );
103 fontRun.slantDefined = true;
110 } // namespace Toolkit