Mali GPU User Interface Engine Application Development Guide

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Tutorial on the Lotion User Interface Classes5.1 Overview of the Lotion source codeThis section describes the code organization and execution sequence:• Directory organization• Overview of initialization in main.cpp on page 5-6• Interaction between the Lotion classes on page 5-7.5.1.1 Directory organizationThis section describes the files and directories that contain the source code for the lotionexample.Lotion directoryThe following files are in the lotion directory:• applet.cpp and applet.h are for applet instantiation and drawing. See also appletssubdirectory on page 5-3.• calibration_applet.h contains code for calibrating touch screens. The user taps on eachof the corner of the screen and the software adjusts the display coordinates.• application.cpp and application.h to provide the user interface and manage appletselection and display. These are used by main.cpp.• common.h contains some enumerations and utility code.• double_transition.h contains code for fading one image in while another image is fadedout. provide the user interface and manage applet selection and display.• etc_bitmap_demo_loader.cpp and etc_bitmap_demo_loader.h load a bitmap asset from aproxy.• etc_texture_demo_loader.cpp and etc_texture_demo_loader.h load a pkm asset from aproxy.• lotion.h contains the #include statements for the header files.• main.cpp reads the command-line parameters and initializes the application.• radio_button_group.cpp and radio_button_group.h add or remove radio buttons from awidget. The widget and theme code implement the radio button events.• render_target.cpp and render_target.h manage the render buffers.• theme.h contains the enumeration of the applets and the declaration of the virtual Themeclass.• transition.cpp and transition.h describe which special transitions are available. Nospecial transitions are enabled in this example.• widget.cpp and widget.h manage the creation and update of widgets.• widget_group.cpp and widget_group.h groups applets with the application.ARM DUI 0527A-02a Copyright © 2010 ARM. All rights reserved. 5-2ID070710Non-Confidential - Draft - Beta
Tutorial on the Lotion User Interface Classes3rdparty subdirectoryThe 3rdparty subdirectory contains open-source third-party libraries:etcpackfreetype2This subdirectory contains the code that supports the Ericsson TextureCompression Codec standard.This subdirectory contains files from the FreeType project, and is for font display.applets subdirectoryThe applets subdirectory contains the user applets that run in the lotion environment:browserbuzzworddummylightshowphotoplanetA shell application that can be extended to imitate a browser.This is an interactive graphics display. The viewer can change how the graphic isdisplayed.A shell applicationThis is an animation of a moving flare and camera. The viewer can select therendering parameters.This is a photo album applet.This is a demonstration of different shader effects.presentation This is a slideshow presentation with animated transitions between slides.slideshow_presentationThis is a slideshow presentation with timed transitions between slides.data subdirectoryThe data subdirectory contains code and data that is used by the applications:appletssharedthemestransitionswidgetsThis directory contains shaders and bitmaps for the applets.This directory contains compressed shaders.This directory contains user interface themes for the applets.This directory contains files that manage the transition from one page to another.This directory contains user interface components such as buttons and labels.double_transitions subdirectoryThe double_transitions subdirectory contains code that manages different rendered layers:pageThis directory contains code that switches between pages.transition_wrapperThis directory contains code that assigns the fade-in an fade-out transitions.multi_touch subdirectoryThe multi_touch subdirectory contains code for input devices:keyboard_device.cppThe KeyboardDevice class assigns a keyboard to a context.ARM DUI 0527A-02a Copyright © 2010 ARM. All rights reserved. 5-3ID070710Non-Confidential - Draft - Beta
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MaliGPU User Interface EngineVersio
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ContentsMali GPU User Interface Eng
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List of TablesMali GPU User Interfa
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List of FiguresFigure 4-17 Environm
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PrefaceAbout this bookThis is the M
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PrefaceFeedbackARM welcomes feedbac
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Introduction1.1 About the Mali GPU
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IntroductionProxygetLoader()LoaderA
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Chapter 2Tutorial on the System Cla
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Tutorial on the System Classes2.2 C
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Tutorial on the System ClassesFigur
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Tutorial on the System ClassesDrawi
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Chapter 3Tutorial on Drawing 2D Sha
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Tutorial on Drawing 2D Shapes...con
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Tutorial on Drawing 2D ShapesFor ea
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Tutorial on Drawing 2D ShapesExampl
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Tutorial on Drawing 2D ShapesFigure
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Tutorial on Drawing 3D Shapes4.1 Dr
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Tutorial on Constructing Custom Sha
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Appendix AMatrix and Vector Operati
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Matrix and Vector Operationsmat4 pe
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GlossaryThis glossary describes som
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GlossaryShader LibraryVertex shader
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Mali GPU User Interface Engine Application Development Guide

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