simple-text-label-example.cpp
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/*
* Copyright (c) 2020 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.
*
*/
/**
* @file simple-text-label-example.cpp
* @brief Basic usage of SimpleTextLabel control
*/
// EXTERNAL INCLUDES
#include <dali-toolkit/dali-toolkit.h>
#include <dali/devel-api/text-abstraction/font-client.h>
#include <dali/devel-api/text-abstraction/bitmap-font.h>
#include <dali-toolkit/devel-api/text/bitmap-font.h>
using namespace Dali;
using namespace Dali::Toolkit;
/**
* @brief The main class of the demo.
*/
class SimpleTextLabelExample : public ConnectionTracker
{
public:
SimpleTextLabelExample( Application& application )
: mApplication( application )
{
// Connect to the Application's Init signal
mApplication.InitSignal().Connect( this, &SimpleTextLabelExample::Create );
}
~SimpleTextLabelExample()
{
// Nothing to do here.
}
/**
* One-time setup in response to Application InitSignal.
*/
void Create( Application& application )
{
Window window = application.GetWindow();
window.KeyEventSignal().Connect(this, &SimpleTextLabelExample::OnKeyEvent);
TextAbstraction::FontClient fontClient = TextAbstraction::FontClient::Get();
DevelText::BitmapFontDescription fontDescription;
fontDescription.name = "Digits";
fontDescription.underlinePosition = 0.f;
fontDescription.underlineThickness = 0.f;
fontDescription.glyphs.push_back( { DEMO_IMAGE_DIR "u0030.png", "0", 34.f, 0.f } );
fontDescription.glyphs.push_back( { DEMO_IMAGE_DIR "u0031.png", "1", 34.f, 0.f } );
fontDescription.glyphs.push_back( { DEMO_IMAGE_DIR "u0032.png", "2", 34.f, 0.f } );
fontDescription.glyphs.push_back( { DEMO_IMAGE_DIR "u0033.png", "3", 34.f, 0.f } );
fontDescription.glyphs.push_back( { DEMO_IMAGE_DIR "u0034.png", "4", 34.f, 0.f } );
fontDescription.glyphs.push_back( { DEMO_IMAGE_DIR "u0035.png", "5", 34.f, 0.f } );
fontDescription.glyphs.push_back( { DEMO_IMAGE_DIR "u0036.png", "6", 34.f, 0.f } );
fontDescription.glyphs.push_back( { DEMO_IMAGE_DIR "u0037.png", "7", 34.f, 0.f } );
fontDescription.glyphs.push_back( { DEMO_IMAGE_DIR "u0038.png", "8", 34.f, 0.f } );
fontDescription.glyphs.push_back( { DEMO_IMAGE_DIR "u0039.png", "9", 34.f, 0.f } );
fontDescription.glyphs.push_back( { DEMO_IMAGE_DIR "u003a.png", ":", 34.f, 0.f } );
DevelText::BitmapFontDescription colorFontDescription;
colorFontDescription.name = "DigitsColor";
colorFontDescription.underlinePosition = 0.f;
colorFontDescription.underlineThickness = 0.f;
colorFontDescription.isColorFont = true;
colorFontDescription.glyphs.push_back( { DEMO_IMAGE_DIR "u0030_color.png", "0", 34.f, 0.f } );
colorFontDescription.glyphs.push_back( { DEMO_IMAGE_DIR "u0031_color.png", "1", 34.f, 0.f } );
colorFontDescription.glyphs.push_back( { DEMO_IMAGE_DIR "u0032_color.png", "2", 34.f, 0.f } );
colorFontDescription.glyphs.push_back( { DEMO_IMAGE_DIR "u0033_color.png", "3", 34.f, 0.f } );
colorFontDescription.glyphs.push_back( { DEMO_IMAGE_DIR "u0034_color.png", "4", 34.f, 0.f } );
colorFontDescription.glyphs.push_back( { DEMO_IMAGE_DIR "u0035_color.png", "5", 34.f, 0.f } );
colorFontDescription.glyphs.push_back( { DEMO_IMAGE_DIR "u0036_color.png", "6", 34.f, 0.f } );
colorFontDescription.glyphs.push_back( { DEMO_IMAGE_DIR "u0037_color.png", "7", 34.f, 0.f } );
colorFontDescription.glyphs.push_back( { DEMO_IMAGE_DIR "u0038_color.png", "8", 34.f, 0.f } );
colorFontDescription.glyphs.push_back( { DEMO_IMAGE_DIR "u0039_color.png", "9", 34.f, 0.f } );
colorFontDescription.glyphs.push_back( { DEMO_IMAGE_DIR "u003a_color.png", ":", 34.f, 0.f } );
TextAbstraction::BitmapFont bitmapFont;
TextAbstraction::BitmapFont bitmapColorFont;
DevelText::CreateBitmapFont( fontDescription, bitmapFont );
DevelText::CreateBitmapFont( colorFontDescription, bitmapColorFont );
fontClient.GetFontId( bitmapFont );
fontClient.GetFontId( bitmapColorFont );
TextLabel label01 = TextLabel::New();
label01.SetProperty( Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER );
label01.SetProperty( Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER );
label01.SetProperty( Actor::Property::SIZE, Vector2( 400.f, 50.f ) );
label01.SetProperty( Actor::Property::POSITION, Vector2( 0.f, -100.f ));
label01.SetProperty( TextLabel::Property::MULTI_LINE, true );
label01.SetProperty( TextLabel::Property::ENABLE_MARKUP, true );
label01.SetProperty( TextLabel::Property::TEXT, "012<color 'value'='green'>345</color>6789:" );
label01.SetProperty( TextLabel::Property::TEXT_COLOR, Color::RED );
label01.SetProperty( TextLabel::Property::FONT_FAMILY, "Digits" );
label01.SetBackgroundColor( Color::BLACK );
window.Add( label01 );
TextLabel label02 = TextLabel::New();
label02.SetProperty( Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER );
label02.SetProperty( Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER );
label02.SetProperty( Actor::Property::SIZE, Vector2( 400.f, 50.f ) );
label02.SetProperty( Actor::Property::POSITION, Vector2( 0.f, -50.f ));
label02.SetProperty( TextLabel::Property::MULTI_LINE, true );
label02.SetProperty( TextLabel::Property::TEXT, "0123456789:" );
label02.SetProperty( TextLabel::Property::TEXT_COLOR, Color::WHITE );
label02.SetProperty( TextLabel::Property::FONT_FAMILY, "DigitsColor" );
label02.SetBackgroundColor( Color::BLACK );
window.Add( label02 );
TextLabel label03 = TextLabel::New();
label03.SetProperty( Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER );
label03.SetProperty( Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER );
label03.SetProperty( Actor::Property::SIZE, Vector2( 400.f, 50.f ) );
label03.SetProperty( Actor::Property::POSITION, Vector2( 0.f, 0.f ));
label03.SetProperty( TextLabel::Property::MULTI_LINE, true );
label03.SetProperty( TextLabel::Property::TEXT, "0123456789:" );
label03.SetProperty( TextLabel::Property::FONT_FAMILY, "Digits" );
label03.SetBackgroundColor( Color::WHITE );
window.Add( label03 );
TextLabel label04 = TextLabel::New();
label04.SetProperty( Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER );
label04.SetProperty( Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER );
label04.SetProperty( Actor::Property::SIZE, Vector2( 400.f, 50.f ) );
label04.SetProperty( Actor::Property::POSITION, Vector2( 0.f, 50.f ));
label04.SetProperty( TextLabel::Property::MULTI_LINE, true );
label04.SetProperty( TextLabel::Property::TEXT, "0123456789:" );
label04.SetProperty( TextLabel::Property::FONT_FAMILY, "Digits" );
label04.SetProperty( TextLabel::Property::TEXT_COLOR, Color::WHITE );
label04.SetBackgroundColor( Color::BLACK );
window.Add( label04 );
}
/**
* Main key event handler
*/
void OnKeyEvent(const KeyEvent& event)
{
if(event.state == KeyEvent::Down)
{
if( IsKey( event, DALI_KEY_ESCAPE) || IsKey( event, DALI_KEY_BACK ) )
{
mApplication.Quit();
}
}
}
private:
Application& mApplication;
};
void RunTest( Application& application )
{
SimpleTextLabelExample test( application );
application.MainLoop();
}
/** Entry point for Linux & Tizen applications */
int DALI_EXPORT_API main( int argc, char **argv )
{
Application application = Application::New( &argc, &argv );
RunTest( application );
return 0;
}