+++ /dev/null
-/*
- * Copyright (c) 2015 Samsung Electronics Co., Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-// CLASS HEADER
-#include "font-api.h"
-
-// INTERNAL INCLUDES
-#include <v8-utils.h>
-#include <text/font-wrapper.h>
-#include <object/property-value-wrapper.h>
-
-namespace Dali
-{
-
-namespace V8Plugin
-{
-
-namespace // un named namespace
-{
-
-
-
-
-} //un named namespace
-
-/***************************************
- * IMAGE FUNCTIONS
- *
- ****************************************/
-Font FontApi::GetFont( v8::Isolate* isolate, const v8::FunctionCallbackInfo< v8::Value >& args )
-{
- v8::HandleScope handleScope( isolate );
-
- v8::Local<v8::Object> object = args.This();
- v8::Local<v8::External> field = v8::Local<v8::External>::Cast( object->GetInternalField(0) );
- void* ptr = field->Value();
-
- FontWrapper* wrapper = static_cast< FontWrapper *>(ptr);
- return wrapper->GetFont();
-}
-Font FontApi::GetFont( v8::Isolate* isolate, v8::Local<v8::Value>& value )
-{
- v8::HandleScope handleScope( isolate );
- v8::Local<v8::Object> object = value->ToObject();
- v8::Local<v8::External> field = v8::Local<v8::External>::Cast( object->GetInternalField(0) );
- void* ptr = field->Value();
-
- FontWrapper* wrapper = static_cast< FontWrapper *>(ptr);
- return wrapper->GetFont();
-}
-
-struct FontParams
-{
- typedef enum
- {
- NO_SIZE_SET,
- USE_POINT_SIZE,
- USE_PIXEL_SIZE,
- USE_CAP_SIZE,
- } SizeType;
-
-
- FontParams()
- :pointSize( 0 ),
- pixelSize( 0 ),
- capsSize( 0 ),
- sizeType( FontParams::NO_SIZE_SET )
- {
- }
-
- std::string family;
- std::string style;
- PointSize pointSize;
- PixelSize pixelSize;
- CapsHeight capsSize;
- SizeType sizeType;
-
-
-};
-
-
-void ReadFontParameters( v8::Isolate* isolate,
- v8::Local<v8::Value > options,
- FontParams& fontParams )
-{
- // foont options is an optional parameter passed in which holds
- // optional settings
- // var fontOptions = {
- // family: "arial",
- // style: "bold",
- // // one of the following
- // pixelSize: xx
- // pointSize: xx
- // capsHeight:xx // height of a capital letter above the baseline for a particular typeface.
- //
- // };
- v8::HandleScope handleScope( isolate );
- if( !options->IsObject() )
- {
- DALI_SCRIPT_EXCEPTION( isolate, "bad parameter 0 ( font parameters)" );
- return;
- }
- v8::Local<v8::Object> obj = options->ToObject();
-
- v8::Local<v8::Value> familyValue = obj->Get( v8::String::NewFromUtf8( isolate, "family" ) );
- if( familyValue->IsString() )
- {
- fontParams.family = V8Utils::v8StringToStdString( familyValue );
- }
-
- v8::Local<v8::Value> styleValue = obj->Get( v8::String::NewFromUtf8( isolate, "style" ) );
- if( styleValue->IsString() )
- {
- fontParams.style = V8Utils::v8StringToStdString( styleValue );
- }
-
- v8::Local<v8::Value> pixelSize = obj->Get( v8::String::NewFromUtf8( isolate, "pixelSize" ) );
- v8::Local<v8::Value> pointSize = obj->Get( v8::String::NewFromUtf8( isolate, "pointSize" ) );
- v8::Local<v8::Value> capsHeight = obj->Get( v8::String::NewFromUtf8( isolate, "capsHeight" ) );
-
- if( pixelSize->IsUint32() )
- {
- fontParams.pixelSize.value = pixelSize->ToUint32()->Value();
- fontParams.sizeType = FontParams::USE_PIXEL_SIZE;
- }
- else if( pointSize->IsUint32() )
- {
- fontParams.pointSize.value = pointSize->ToUint32()->Value();
- fontParams.sizeType = FontParams::USE_POINT_SIZE;
- }
- else if( capsHeight->IsUint32() )
- {
- fontParams.capsSize.value = capsHeight->ToUint32()->Value();
- fontParams.sizeType = FontParams::USE_CAP_SIZE;
- }
-
-}
-
-Font FontApi::New( const v8::FunctionCallbackInfo< v8::Value >& args )
-{
- v8::Isolate* isolate = args.GetIsolate();
- v8::HandleScope handleScope( isolate );
-
- // if no parameters just create a default font
- if ( args.Length() == 0)
- {
- return Font::New();
- }
- FontParams params;
-
- ReadFontParameters( isolate, args[0], params );
-
- FontParameters fontParams;
- // construct a dali font parameters object
- switch( params.sizeType)
- {
- case FontParams::USE_PIXEL_SIZE:
- {
- fontParams = FontParameters( params.family, params.style, params.pixelSize );
- break;
- }
- case FontParams::USE_POINT_SIZE:
- {
- fontParams = FontParameters( params.family, params.style, params.pointSize );
- break;
- }
- case FontParams::USE_CAP_SIZE:
- {
- fontParams = FontParameters( params.family, params.style, params.capsSize );
- break;
- }
- default:
- {
- fontParams = FontParameters( params.family, params.style, PointSize(0.f));
- break;
- }
- }
- return Font::New( fontParams );
-
-}
-
-
-void FontApi::GetFamilyForText( const v8::FunctionCallbackInfo< v8::Value >& args )
-{
- v8::Isolate* isolate = args.GetIsolate();
- v8::HandleScope handleScope( isolate );
-
-
- bool foundString;
- std::string text = V8Utils::GetStringParameter( PARAMETER_0, foundString, isolate, args );
- if( !foundString )
- {
- DALI_SCRIPT_EXCEPTION( isolate, "bad parameter 0 ( text )" );
- return;
- }
- std::string family = Font::GetFamilyForText( text );
-
- args.GetReturnValue().Set( v8::String::NewFromUtf8( isolate, family.c_str()) );
-
-}
-void FontApi::GetLineHeightFromCapsHeight( const v8::FunctionCallbackInfo< v8::Value >& args )
-{
- v8::Isolate* isolate = args.GetIsolate();
- v8::HandleScope handleScope( isolate );
-
- FontParams params;
- ReadFontParameters( isolate, args[0], params );
- if( params.sizeType != FontParams::USE_CAP_SIZE )
- {
- DALI_SCRIPT_EXCEPTION( isolate, "caps height not found" );
- return;
- }
-
- PixelSize size = Font::GetLineHeightFromCapsHeight( params.family, params.style, params.capsSize);
- args.GetReturnValue().Set( v8::Integer::New( isolate, size.value ) );
-}
-
-void FontApi::GetInstalledFonts( const v8::FunctionCallbackInfo< v8::Value >& args )
-{
- v8::Isolate* isolate = args.GetIsolate();
- v8::HandleScope handleScope( isolate );
-
- bool found( false );
- std::vector<std::string> fontList;
-
- std::string mode = V8Utils::GetStringParameter( PARAMETER_0, found, isolate, args );
-
- if( mode == "LIST_APPLICATION_FONTS" )
- {
- fontList = Font::GetInstalledFonts( Font::LIST_APPLICATION_FONTS );
- }
- else if( mode == "LIST_ALL_FONTS")
- {
- fontList = Font::GetInstalledFonts( Font::LIST_ALL_FONTS );
- }
- else // default
- {
- fontList = Font::GetInstalledFonts( Font::LIST_SYSTEM_FONTS );
- }
- // create a javascript array
- v8::Local<v8::Array> array = v8::Array::New(isolate, fontList.size() );
- for( std::size_t i = 0; i < fontList.size(); i++)
- {
- const char* fontName = fontList[i].c_str();
- array->Set(v8::Integer::New(args.GetIsolate(), i), v8::String::NewFromUtf8( isolate,fontName));
- }
-
- args.GetReturnValue().Set( array );
-}
-
-void FontApi::MeasureTextWidth( const v8::FunctionCallbackInfo< v8::Value >& args )
-{
- v8::Isolate* isolate = args.GetIsolate();
- v8::HandleScope handleScope( isolate );
- Font font = GetFont( isolate, args );
-
- //float MeasureTextWidth(const std::string& text, float textHeightPx) const;
-
- bool found( false );
- std::string text = V8Utils::GetStringParameter( PARAMETER_0, found, isolate, args );
- if(! found )
- {
- DALI_SCRIPT_EXCEPTION( isolate, "text not found" );
- return;
- }
- int height = V8Utils::GetIntegerParameter( PARAMETER_1, found, isolate, args, 0 );
- if( !found )
- {
- DALI_SCRIPT_EXCEPTION( isolate, "missing text height" );
- return;
- }
- float width = font.MeasureTextWidth( text, height );
-
- args.GetReturnValue().Set( v8::Integer::New( isolate, width ) );
-
-}
-void FontApi::MeasureTextHeight( const v8::FunctionCallbackInfo< v8::Value >& args )
-{
- v8::Isolate* isolate = args.GetIsolate();
- v8::HandleScope handleScope( isolate );
- Font font = GetFont( isolate, args );
-
- //float MeasureTextHeight(const std::string& text, float textHeightPx) const;
-
- bool found( false );
- std::string text = V8Utils::GetStringParameter( PARAMETER_0, found, isolate, args );
- if(! found )
- {
- DALI_SCRIPT_EXCEPTION( isolate, "text not found" );
- return;
- }
- int width= V8Utils::GetIntegerParameter( PARAMETER_1, found, isolate, args, 0 );
- if( !found )
- {
- DALI_SCRIPT_EXCEPTION( isolate, "missing text height" );
- return;
- }
- float height = font.MeasureTextHeight( text, width );
-
- args.GetReturnValue().Set( v8::Integer::New( isolate, height ) );
-}
-void FontApi::MeasureText( const v8::FunctionCallbackInfo< v8::Value >& args )
-{
- v8::Isolate* isolate = args.GetIsolate();
- v8::HandleScope handleScope( isolate );
- Font font = GetFont( isolate, args );
-
- bool found( false );
- std::string text = V8Utils::GetStringParameter( PARAMETER_0, found, isolate, args );
- if(! found )
- {
- DALI_SCRIPT_EXCEPTION( isolate, "text not found" );
- return;
- }
-
- Vector3 vec3 = font.MeasureText( text );
- Dali::Property::Value value( vec3 );
- v8::Local <v8::Object> object = PropertyValueWrapper::WrapDaliProperty( isolate, value);
- args.GetReturnValue().Set( object );
-
-}
-void FontApi::AllGlyphsSupported( const v8::FunctionCallbackInfo< v8::Value >& args )
-{
- v8::Isolate* isolate = args.GetIsolate();
- v8::HandleScope handleScope( isolate );
- Font font = GetFont( isolate, args );
-
- bool found( false );
- std::string text = V8Utils::GetStringParameter( PARAMETER_0, found, isolate, args );
- if(! found )
- {
- DALI_SCRIPT_EXCEPTION( isolate, "text not found" );
- return;
- }
-
- bool supported = font.AllGlyphsSupported( text );
- args.GetReturnValue().Set( v8::Boolean::New( isolate, supported) );
-
-}
-
-// This one function is use to create a property map, instead of the many individual property
-// getters used by the C++ Dali API.
-// propertyMap
-// {
-// name:
-// style:
-// pointSize:
-// pixelSize:
-// lineHeight:
-// ascender:
-// underlineThickness:
-// underlinePosition:
-// isDefaultSystemFont:
-// isDefaultSystemSize:
-// }
-
-void FontApi::GetProperties( const v8::FunctionCallbackInfo< v8::Value >& args )
-{
- v8::Isolate* isolate = args.GetIsolate();
- v8::HandleScope handleScope( isolate );
- Font font = GetFont( isolate, args );
-
- v8::Local<v8::Object> keyObject = v8::Object::New( isolate );
-
- keyObject->Set( v8::String::NewFromUtf8( isolate, "family" ), v8::String::NewFromUtf8( isolate, font.GetName().c_str() ) );
- keyObject->Set( v8::String::NewFromUtf8( isolate, "style" ), v8::String::NewFromUtf8( isolate, font.GetStyle().c_str() ) );
- keyObject->Set( v8::String::NewFromUtf8( isolate, "pointSize" ), v8::Integer::New( isolate, font.GetPointSize() ) );
- keyObject->Set( v8::String::NewFromUtf8( isolate, "pixelSize" ), v8::Integer::New( isolate, font.GetPixelSize() ) );
- keyObject->Set( v8::String::NewFromUtf8( isolate, "lineHeight" ), v8::Integer::New( isolate, font.GetLineHeight() ) );
- keyObject->Set( v8::String::NewFromUtf8( isolate, "ascender" ), v8::Integer::New( isolate, font.GetAscender() ) );
- keyObject->Set( v8::String::NewFromUtf8( isolate, "underlineThickness" ), v8::Integer::New( isolate, font.GetUnderlineThickness() ) );
- keyObject->Set( v8::String::NewFromUtf8( isolate, "underlinePosition" ), v8::Integer::New( isolate, font.GetUnderlinePosition()) );
- keyObject->Set( v8::String::NewFromUtf8( isolate, "isDefaultSystemFont" ), v8::Boolean::New( isolate, font.IsDefaultSystemFont() ) );
- keyObject->Set( v8::String::NewFromUtf8( isolate, "isDefaultSystemSize" ), v8::Boolean::New( isolate, font.IsDefaultSystemSize() ) );
-
- args.GetReturnValue().Set( keyObject );
-
-}
-
-void FontApi::GetMetrics( const v8::FunctionCallbackInfo< v8::Value >& args )
-{
- v8::Isolate* isolate = args.GetIsolate();
- v8::HandleScope handleScope( isolate );
- Font font = GetFont( isolate, args );
-
- bool found( false );
- std::string text = V8Utils::GetStringParameter( PARAMETER_0, found, isolate, args );
-
- if(! found )
- {
- DALI_SCRIPT_EXCEPTION( isolate, "character not found" );
- return;
- }
-
- Text textObject( text );
-
- Font::Metrics metric = font.GetMetrics( textObject[0] );
-
- v8::Local<v8::Object> keyObject = v8::Object::New( isolate );
- keyObject->Set( v8::String::NewFromUtf8( isolate, "advance" ), v8::Integer::New( isolate, metric.GetAdvance() ) );
- keyObject->Set( v8::String::NewFromUtf8( isolate, "bearing" ), v8::Integer::New( isolate, metric.GetBearing() ) );
- keyObject->Set( v8::String::NewFromUtf8( isolate, "width" ), v8::Integer::New( isolate, metric.GetWidth() ) );
- keyObject->Set( v8::String::NewFromUtf8( isolate, "height" ), v8::Integer::New( isolate, metric.GetHeight() ) );
-
- args.GetReturnValue().Set( keyObject );
-
-}
-
-
-void FontApi::PointsToPixels( const v8::FunctionCallbackInfo< v8::Value >& args )
-{
- v8::Isolate* isolate = args.GetIsolate();
- v8::HandleScope handleScope( isolate );
-
- bool found(false);
- int pointSize= V8Utils::GetIntegerParameter( PARAMETER_0, found, isolate, args, 0 );
- if( !found )
- {
- DALI_SCRIPT_EXCEPTION( isolate, "missing pointSize" );
- return;
- }
- args.GetReturnValue().Set( v8::Integer::New( isolate, Font::PointsToPixels(pointSize) ) );
-
-}
-void FontApi::PixelsToPoints( const v8::FunctionCallbackInfo< v8::Value >& args )
-{
- v8::Isolate* isolate = args.GetIsolate();
- v8::HandleScope handleScope( isolate );
-
- bool found(false);
- int pixelSize= V8Utils::GetIntegerParameter( PARAMETER_0, found, isolate, args, 0 );
- if( !found )
- {
- DALI_SCRIPT_EXCEPTION( isolate, "missing pixelSize" );
- return;
- }
- args.GetReturnValue().Set( v8::Integer::New( isolate, Font::PixelsToPoints(pixelSize) ) );
-}
-
-
-
-} // namespace V8Plugin
-
-} // namespace Dali
projects / platform / core / uifw / dali-toolkit.git / blobdiff