Write Image to Framebuffer Linux

Total Page:16

File Type:pdf, Size:1020Kb

Write Image to Framebuffer Linux Write Image To Framebuffer Linux I've have to write functions to save off the frame buffer to disk to that they could be viewed at later times. write (image, "jpg", f); Note! image is the variable that stores the image that we want to write (save). This section covers how to install pip, setuptools, and wheel using Linux package managers. DiskInternals Linux Reader is a freeware runs under Windows and allows you to browse Ext2, Ext3, Ext4, ReiserFS and Mac OS X HFS, HFS+ file systems. These instructions are generic for Windows, Linux and Mac OS. js makes dealing with the file system intuitive through the use of a module dealing with the operating system's file system. Supports multi-core, 8 to 64-bit resolutions for grey,RGB,HLS,CIE Lab and Bayer images. A rate limiting factor for x11vnc performance is that graphics hardware is optimized for writing, not reading (x11vnc reads the video framebuffer for the screen image data. Graduate school statement samples why law. 0 is distributed under the zlib license. There are many different applications that can write a CD or DVD image in Linux. Note the tips on suitable utilities to write the hybrid ISO image to bootable media; please do not use UNetbootin, Rufus, or UltraISO as those will cripple the result unfortunately. /RW Open the image in Read-Write mode. The New V-Ray Frame Buffer (VFB 2) is a second generation V-Ray virtual frame buffer. But yes, you can do video from framebuffer. Update 11-12-2012. It lets you organize, explore and share everything you like. Cdrecord is command line based application used to record data or audio Compact Discs on an Orange Book CD-Recorder or to write DVD media on a DVD- Recorder i. Dear unixmen reader, In this article I will teach you how to create an iso image from your files with the genisoimage tool. MDS file initially. Images in Source Tree. These instructions are generic for Windows, Linux and Mac OS. The first enables patching via WhateverGreen. To access files remotely via SSH protocol, to export files from file systems supported by Linux Reader Pro™ only, to map files as a virtual drive, or to export files to the FTP server, you will need a Linux Reader Pro™ license, which you can easily purchase online. AHARDWAREBUFFER_USAGE_GPU_FRAMEBUFFER: The buffer will be written to by the GPU as a framebuffer attachment. sh && lunch. FRAMEBUFFER (just like in fbi) if set, will override user set framebuffer device file. Time-sharing operating systems schedule tasks for efficient use of the system and may also include accounting software for cost allocation of processor time, mass storage, printing, and other resources. A FBO contains no image storage on it's own so one must attach textures or renderbuffer objects to it. Grabs an image of a framebuffer device and store it as a PNG file. eLynx Image Processing SDK and Lab. Another program is fbgs - "poor man's PostScript/pdf viewer for the linux framebuffer console" which also works quite. (7) Some Boards apparently don't pass the proper memory size to the linux- kernel. See full list on cmcenroe. It allows direct access to the framebuffer (the part of a computer's video memory containing a current video frame). This mailing list is a rather high-volume list, where (technical) discussions on the design of, and bugs in the Linux kernel take place. We will show you how to install and use it to view images from the Linux terminal. c ) by calling. Note: if you have an image without partitions you should omit the ,offset=32256 part. 2015-09-17. Package: fbi Description: Linux frame buffer image viewer This is an image viewer for Linux frame buffer devices. When compared to standard compressions such as CCITT G4 and JBIG, ABC significantly reduces the storage space requirements and lowers bandwidth usage by allowing customers to realize file sizes that. js makes dealing with the file system intuitive through the use of a module dealing with the operating system's file system. int fd = open(file_name, O_RDWR) pa = (int *) mmap(NULL, FB_SIZE, PROT_WRITE|PROT_READ, MAP_SHARED, fd, 0). Graphically, under X/Xorg, using the SDL. 5: how to create a bootable media) or reupload the bootable components to PXE server. How to write a Shell Script? We will be using one of the built-in editors in Ubuntu 18. [1] The word framebuffer means a part of video memory containing a current video frame. Briefly, on a Linux filesystem, a file is just a link to an inode, which stores all of the properties of the file, such as ownership and permissions, data blocks addresses where the content of the file is stored on disk. So we will use " " new line character to write multiple lines to our text file. flp from the disk_images/ directory of the MikeOS bundle into your home directory, and rename it myfirst. TeraByte Drive Image Backup and Restore Suite (TBDIBRS) is a high-powered disk imaging software package that keeps all your data protected across multiple platforms. Support is available on the mailing list and on the image. In this article I will show you how to write one in C#. Framebuffer¶. To check the current frame buffer binding, query the FRAMEBUFFER_BINDING constant. svg English: The input/output loop: Human Machine Interface (HMI) peripherals, Linux kernel , evdev ,. Today we are going to share another free tool "Rufus" which allows you to format and create bootable USB drives for Windows and Linux which might come handy in following situations: Create USB installation media using bootable ISO or IMG image files (Windows, Linux, Android, etc. I want do display a png image on a framebuffer on an embedded Linux. Each GPU does its own rendering work to its own framebuffer, each rendering a vertically-squashed scene, with one scene offset by one pixel vertically. VBoxManage internalcommands createrawvmdk -filename usb. Instead of trying to create a single. Alternatively, to create bootable USB installation media, write the ISO image to the USB device using the dd utility. There are four extraction methods to choose from, extract an image every number of frames, extract an image every number of seconds, take a total number of frames from the video or extract every single frame. kernel - Build linux kernel. If all you need is an ISO image to perform an installation of a recent Oracle Linux release, your best bet is to download directly from Oracle Linux yum server. The Framebuffer Console. kernel-config - Show linux menuconfig. Simple installation on Debian and Ubuntu, or via our Live/Install DVD/USB images. Lesson 03 Event Driven Programming: Here we'll start handling user input by allowing the user to X out the window. Click Next to continue. txt) or view presentation slides online. fbv (image viewer for framebuffer console) fbv (FrameBuffer Viewer) is a simple program to view pictures on a linux framebuffer device. iso image of EndeavourOS, then “Select Drive” to use as the target USB drive, and then “Flash!” to write the image. To check the current frame buffer binding, query the FRAMEBUFFER_BINDING constant. Handy PS3 Linux Framebuffer Utilities By Mike Acton on March 31, 2007 12:02 AM While the documentation within Sony's vsync example should be enough to get you started with writing to the framebuffer, here's a couple of handy functions to test the framebuffer settings, open the virtual terminal and get access the the frame buffer. Revision v1. img (assuming that is the name of your image file). It used to create, edit, compose, or convert bitmap images. This mailing list is a rather high-volume list, where (technical) discussions on the design of, and bugs in the Linux kernel take place. The master images would be located in the source tree; when the Javadoc tool is run with the standard doclet, it would copy those files to the destination HTML directory. Download the software image file you want to write onto your SD Card. wget is a command line utility for downloading files from FTP and HTTP web servers. Of course, you can write text using the built-in graphics software and a text editor, but it won’t produce the best-looking inscription. This is only a short guide. Join the global Raspberry Pi community. Fedora: sudo dnf update && sudo dnf install ImageMagick. Accepts G-code input, drives CNC machines in response. write (p [1]. The buffer is the size of the maximum image that can be displayed and may be a separate memory bank on the graphics card (display adapter) or a reserved part of regular memory. Apr 04 - Writing To The Framebuffer. It does work in the text terminal if you enabled "gpm" service using "setup". Here, I show you how. img] teaching. image = cairo_image_surface_create_from_png(argv[1]. Here's what you need to do to create a bootable USB for Linux: Insert a USB stick and choose this Device in DAEMON Tools Lite. These images can be used for restoring the operating system--should something go awry. Select your USB at least of 4GB connected to your system. This proprietary 1-bit compression, outperforms all industry-standard compression algorithms. /P:part# Specifies a partition number to set a drive letter. A framebuffer object references all of the VkImageView objects that represent the attachments. Rightstick Studios, LLC is raising funds for DoubleShake, A Throwback to 5th Gen Platformers on Kickstarter! Grab, shake, throw, and kick to save your islands from total chaos in this action-packed blast-to-the-past 2.
Recommended publications
  • OM-Cube Project
    OM-Cube project V. Hiribarren, N. Marchand, N. Talfer [email protected] - [email protected] - [email protected] Abstract. The OM-Cube project is composed of several components like a minimal operating system, a multi- media player, a LCD display and an infra-red controller. They should be chosen to fit the hardware of an em- bedded system. Several other similar projects can provide information on the software that can be chosen. This paper aims to examine the different available tools to build the OM-Multimedia machine. The main purpose is to explore different ways to build an embedded system that fits the hardware and fulfills the project. 1 A Minimal Operating System The operating system is the core of the embedded system, and therefore should be chosen with care. Because of its popu- larity, a Linux based system seems the best choice, but other open systems exist and should be considered. After having elected a system, all unnecessary components may be removed to get a minimal operating system. 1.1 A Linux Operating System Using a Linux kernel has several advantages. As it’s a popular kernel, many drivers and documentation are available. Linux is an open source kernel; therefore it enables anyone to modify its sources and to recompile it. Using Linux in an embedded system requires adapting the kernel to the hardware and to the system needs. A simple method for building a Linux embed- ded system is to create a partition on a development host and to mount it on a temporary mount point. This partition is filled as one goes along and then, the final distribution is put on the target host [Fich02] [LFS].
    [Show full text]
  • Operating System Components for an Embedded Linux System
    INSTITUTEFORREAL-TIMECOMPUTERSYSTEMS TECHNISCHEUNIVERSITATM¨ UNCHEN¨ PROFESSOR G. F ARBER¨ Operating System Components for an Embedded Linux System Martin Hintermann Studienarbeit ii Operating System Components for an Embedded Linux System Studienarbeit Executed at the Institute for Real-Time Computer Systems Technische Universitat¨ Munchen¨ Prof. Dr.-Ing. Georg Farber¨ Advisor: Prof.Dr.rer.nat.habil. Thomas Braunl¨ Author: Martin Hintermann Kirchberg 34 82069 Hohenschaftlarn¨ Submitted in February 2007 iii Acknowledgements At first, i would like to thank my supervisor Prof. Dr. Thomas Braunl¨ for giving me the opportunity to take part at a really interesting project. Many thanks to Thomas Sommer, my project partner, for his contribution to our good work. I also want to thank also Bernard Blackham for his assistance by email and phone at any time. In my opinion, it was a great cooperation of all persons taking part in this project. Abstract Embedded systems can be found in more and more devices. Linux as a free operating system is also becoming more and more important in embedded applications. Linux even replaces other operating systems in certain areas (e.g. mobile phones). This thesis deals with the employment of Linux in embedded systems. Various architectures of embedded systems are introduced and the characteristics of common operating systems for these devices are reviewed. The architecture of Linux is examined by looking at the particular components such as kernel, standard C libraries and POSIX tools for embedded systems. Furthermore, there is a survey of real-time extensions for the Linux kernel. The thesis also treats software development for embedded Linux ranging from the prerequi- sites for compiling software to the debugging of binaries.
    [Show full text]
  • Endeavouros.Pdf] Page: 1 of 10
    Distro Telemetry Watch [dtw 07-EndeavourOS.pdf] Page: 1 of 10 Distro : EndeavourOS Wikipedia : https://en.wikipedia.org/wiki/EndeavourOS Website : https://endeavouros.com/ Twitter : https://twitter.com/OsEndeavour Status : May 2021 Author : summertime tech CPU : Tested on x86 – 64bits One Installable .iso for all desktops: endeavouros-2021.02.03-x86_64.iso Xfce is default desktop install via offline Other desktops install via Online netinstall Including Update Conclusion: Because of the built-in(*) telemetry this distro is only suitable for use in DEV- & TEST environments. At this moment there is no .iso without telemetry, so distro is not useable in ACC- & PROD environments. (*) if it was not built-in but “only” in Repo there are methods to block specific packages: <read article> ; for long-term solution ask/tweet distro to remove telemetry package from Repo Distro is not “Privacy by Design” ; Overview & Suggestions for improvements: <read here> Cat.0 Telemetry Xfce See Cat.3 & 4 MATE See Cat.3 & 4 KDE See Cat.3 & 4 GNOME See Cat.3 & 4 Cinnamon See Cat.3 & 4 Budgie See Cat.3 & 4 Deepin See Cat.3 & 4 i3-wm See Cat.3 & 4 LXQt See Cat.3 & 4 Distro Telemetry Watch [dtw 07-EndeavourOS.pdf] Page: 2 of 10 Cat.1 Telemetry N/A Cat.2 Telemetry N/A Cat.3 Telemetry Xfce → Log Tools; via Menu; App System; App EndeavourOS Log Tools with range of options including “Remove personal data from logs” default <off>; User set to <on>; option “Send logs to internet” default <off>; User don’t change. See screenshots below and Annex-1 Img6 & Img7 → Log Tools can’t be deleted.
    [Show full text]
  • Op E N So U R C E Yea R B O O K 2 0
    OPEN SOURCE YEARBOOK 2016 ..... ........ .... ... .. .... .. .. ... .. OPENSOURCE.COM Opensource.com publishes stories about creating, adopting, and sharing open source solutions. Visit Opensource.com to learn more about how the open source way is improving technologies, education, business, government, health, law, entertainment, humanitarian efforts, and more. Submit a story idea: https://opensource.com/story Email us: [email protected] Chat with us in Freenode IRC: #opensource.com . OPEN SOURCE YEARBOOK 2016 . OPENSOURCE.COM 3 ...... ........ .. .. .. ... .... AUTOGRAPHS . ... .. .... .. .. ... .. ........ ...... ........ .. .. .. ... .... AUTOGRAPHS . ... .. .... .. .. ... .. ........ OPENSOURCE.COM...... ........ .. .. .. ... .... ........ WRITE FOR US ..... .. .. .. ... .... 7 big reasons to contribute to Opensource.com: Career benefits: “I probably would not have gotten my most recent job if it had not been for my articles on 1 Opensource.com.” Raise awareness: “The platform and publicity that is available through Opensource.com is extremely 2 valuable.” Grow your network: “I met a lot of interesting people after that, boosted my blog stats immediately, and 3 even got some business offers!” Contribute back to open source communities: “Writing for Opensource.com has allowed me to give 4 back to a community of users and developers from whom I have truly benefited for many years.” Receive free, professional editing services: “The team helps me, through feedback, on improving my 5 writing skills.” We’re loveable: “I love the Opensource.com team. I have known some of them for years and they are 6 good people.” 7 Writing for us is easy: “I couldn't have been more pleased with my writing experience.” Email us to learn more or to share your feedback about writing for us: https://opensource.com/story Visit our Participate page to more about joining in the Opensource.com community: https://opensource.com/participate Find our editorial team, moderators, authors, and readers on Freenode IRC at #opensource.com: https://opensource.com/irc .
    [Show full text]
  • Different Display Configurations on the I.MX31 Linux PDK by Multimedia Application Division Freescale Semiconductor, Inc
    Freescale Semiconductor Document Number: AN4182 Application Note Rev. 0, 08/2010 Different Display Configurations on the i.MX31 Linux PDK by Multimedia Application Division Freescale Semiconductor, Inc. Austin, TX This application note provides the necessary information, Contents considerations, and procedures to add or adapt a new Liquid 1. Introduction . 1 2. LCD Generalities . 3 Crystal Display (LCD) panel to the Board Support Package 3. IPU-SDC Generalities . 5 (BSP) distribution for the i.MX31 Product Development Kit 4. Display Configuration in Linux . 23 (PDK). The application note describes the general LCD 5. References . 50 panel information and generalities of the display controller 6. Revision History . 50 module. The application note also describes the development process to adapt a new LCD panel to the BSP, considering that the framework driver structure is already provided by the operating system. NOTE This application note assumes that the reader is familiar with the Linux Target Image Builder (LTIB) and Linux device driver development concepts. 1 Introduction The i.MX31, which is a multimedia processor, supports several types of displays. The display devices are handled by a special module called the Image Processing Unit (IPU). © 2010 Freescale Semiconductor, Inc. All rights reserved. Introduction The IPU module handles other graphic interfaces that include cameras and 2D graphics accelerators. These are the IPU submodules that are connected by a private DMA interface (IDMA) and is used by the IPU to transfer data among the modules and between the IPU and external memory. Figure 1 shows the functional diagram of the IPU module. Sync & IPU Control Pixel 3 Video Camera Camera Memory MCU Sources Interface Processing In te rfa ce Image Enhancement IDMA & Conversion Memory Display D isp lays Display Interface Processing Figure 1.
    [Show full text]
  • Interface Design
    Interface Design LCD Touch Interface for ETRAX 100LX By Magnus Kling, Jerker Buud SUBMITTED IN PARTIAL FULFILMENT OF THE REQUIREMENTS FOR THE DEGREE OF MASTER OF SCIENCE AT UMEÅ UNIVERSITY UMEÅ, SWEDEN SEPTEMBER 2003 Copyright c 2003 Axis Communication AB ii Abstract In this thesis a liquid-crystal-display (LCD) interface for the ETRAX 100LX processor is presented. The interface is made as an add-on circuit board to an AXIS 82 Developer Board. The LCD controller used on the add-on circuit board is the EPSON S1D13706 LCD controller. To have graphical support for the ETRAX 100LX the Linux framebuffer device was implemented for the CRIS Linux archi- tecture. A touch screen is mounted on the LCD and controlled by a Texas Instru- ment ADS7846 A/D converter and Winbond 78E54 microprocessor. The touch point coordinates are sent to the AXIS 82 Developer Board through the serial port. An example application has been built to simulate a Document Server. The graph- ical user interface is built with EZFB API which uses the Linux framebuffer. Sammanfattning Rapporten tar upp hur ett liquid-crystal-display (LCD) gränssnitt har skapats till en ETRAX 100LX processor. Gränssnittet är tillverkat som ett externt kretskort som sammankopplas med ett AXIS 82 Developer Board. På det externa kretskortet finns en EPSON S1D13706 LCD kontroller. För att få grafiskt stöd till ETRAX 100LX har Linux framebuffer enheten implementerats för CRIS Linux arkitek- turen. En pekskärm var monterad på en LCD och pekskärmen kontrollerades med hjälp av en Texas Instrument ADS7846 A/D omvandlare och en Winbond 78E54 microprocessor.
    [Show full text]
  • Fachhochschule Brandenburg
    Fachhochschule Brandenburg Konzeption und Implementierung einer Videodigitalisierung und Videoausgabe unter Embedded Linux Diplomarbeit zur Erlangung des akademischen Grades Diplom-Informatiker(FH) vorgelegt von Frank Schwanz Brandenburg 2002 Eingereicht am 21. Oktober 2002 1. Gutachter: Dipl. Informatiker Ingo Boersch 2. Gutachter: Dipl. Ing. Henry Westphal Erkl¨arung Hiermit erkl¨are ich, da ich diese Arbeit selbst¨andig und nur mit den zugelassenen und aufgefuhrten¨ Hilfsmitteln erstellt habe. Brandenburg, 21. Oktober 2002 Frank Schwanz Aufgabe Im Rahmen des Projektes Initiative Intelligente Autonome Systeme“ wird ” an der FH Brandenburg ein Kernel fur¨ intelligente autonome Systeme entwi- ckelt. Eine Teilkomponente des R-Cube-Systems ist eine eigenst¨andige Bild- verarbeitungskarte mit StrongARM-Prozessor und ARM-Linux. Zielstellung des Themas ist die Konzeption und Implementierung der Videodigitalisierung und Videoausgabe der Bildverarbeitungskarte. Hierbei sind Schnittstellen zum Auslesen der Bilddaten (vorzugsweise Video4Linux) und Ausgabe von Bilddaten (vorzugsweise Framebuffer-Device) zu entwi- ckeln. Die Umsetzung soll besonderen Wert auf die m¨ogliche Nutzung in kommenden Linux-Kernelversionen sowie die Performance der L¨osung legen. Die Funktionsf¨ahigkeit des Systems ist durch geeignete Teststellungen zu evaluieren. 1 Inhaltsverzeichnis 1 Einleitung 8 1.1 Aufgaben des BV-Boards . 9 1.2 Aufbau der Arbeit . 11 2 Hardware 12 2.1 Das BV-Board . 13 2.2 LART-Board . 14 2.2.1 Die Schnittstellen des LART Boards . 14 2.2.2 Prozessor . 16 2.2.3 Speicher . 19 2.3 Videoerweiterung LartVio . 27 2.3.1 Analoge und digitale Videoubertragung¨ . 28 2.3.2 Der Videodecoder SAA7113 . 29 2.3.3 Der Videoencoder ADV7171 . 30 2.3.4 I2C Bus .
    [Show full text]
  • Vpdroid System Design
    VPDroid System Design Anonymous Author(s) 1 VPDROID SYSTEM DESIGN and complicated. Especially, some hardware vendors provide pro- We develop a lightweight Android OS virtualization architecture, prietary software stacks that are completely closed source (e.g., VPDroid, to assist data-clone attacks. With VPDroid, attackers can telephone & Bluetooth). Without hardware vendor’s support, it configure different device settings according to the victim phone’s would be difficult if not impossible to virtualize them in the kernel. attributes and then boot up a virtual phone (VP) environment that VPDroid’s user-level virtualization offers a flexible and portable closely approximates the victim’s device. To deceive the cloned alternative without compromising transparency. In particular, our apps into thinking the smartphone is not changed, VPDroid has to mechanism contains two methods to fit different devices. meet two requirements (RQ1 & RQ2): Binder service sharing. For the system services that are re- gistered in ServiceManager (e.g, WifiService & SurfaceFlinger), (1) RQ1: the VP always gets direct access to hardware devi- we develop a new way to virtualize them. Binder is the inter- ces and thus revels native performance; this design ensures process communication (IPC) mechanism in Android. The Binder VPDroid can evade the detection of Android emulators. driver is a custom pseudo driver with no corresponding physi- (2) RQ2: the auto-login functions of cloned apps are impercep- cal device. We first modify the Binder-driver data structure (e.g., tible to the change of device; this requires our virtualization context_mgr_node, procs, dead_nodes, etc) to ensure that the VP and the editing of device-specific attributes are invisible to has its own Binder-driver data structure.
    [Show full text]
  • OMAP35X EVM Linux PSP
    OMAP35X EVM Linux PSP User Guide 02.00.00 Published 28 November 2008 Copyright © 2008 Texas Instruments Incorporated. 2 Platform Support Products Version 02.00.00 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All products are sold subject to TI's terms and conditions of sale supplied at the time of order acknowledgment. TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI's standard warranty. Testing and other quality control techniques are used to the extent TI deems necessary to support this warranty. Except where mandated by government requirements, testing of all parameters of each product is not necessarily performed. TI assumes no liability for applications assistance or customer product design. Customers are responsible for their products and applications using TI components. To minimize the risks associated with customer products and applications, customers should provide adequate design and operating safeguards. TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right, copyright, mask work right, or other TI intellectual property right relating to any combination, machine, or process in which TI products or services are used. Information published by TI regarding third-party products or services does not constitute a license from TI to use such products or services or a warranty or endorsement thereof.
    [Show full text]
  • The Linux Kernel's Config
    Institutionen för datavetenskap Department of Computer and Information Science Final thesis A Linux-based, Web-oriented operating system designed to boot quickly by Ulf Magnusson LIU-IDA/LITH-EX-A--11/050--SE 2011-12-22 Linköpings universitet Linköpings universitet SE-581 83 Linköping, Sweden 581 83 Linköping Linköping University Department of Computer and Information Science Final Thesis A Linux-based, Web-oriented operating system designed to boot quickly by Ulf Magnusson LIU-IDA/LITH-EX-A--11/050--SE 2011-12-22 Supervisors: Prof. Simin Nadjm-Tehrani, Nicklas Larsson (Opera Software ASA) Examiner: Prof. Simin Nadjm-Tehrani På svenska Detta dokument hålls tillgängligt på Internet – eller dess framtida ersättare – under en längre tid från publiceringsdatum under förutsättning att inga extra- ordinära omständigheter uppstår. Tillgång till dokumentet innebär tillstånd för var och en att läsa, ladda ner, skriva ut enstaka kopior för enskilt bruk och att använda det oförändrat för ickekommersiell forskning och för undervisning. Överföring av upphovsrätten vid en senare tidpunkt kan inte upphäva detta tillstånd. All annan användning av dokumentet kräver upphovsmannens medgivande. För att garantera äktheten, säkerheten och tillgängligheten finns det lösningar av teknisk och administrativ art. Upphovsmannens ideella rätt innefattar rätt att bli nämnd som upphovsman i den omfattning som god sed kräver vid användning av dokumentet på ovan beskrivna sätt samt skydd mot att dokumentet ändras eller presenteras i sådan form eller i sådant sammanhang som är kränkande för upphovsmannens litterära eller konstnärliga anseende eller egenart. För ytterligare information om Linköping University Electronic Press se förlagets hemsida http://www.ep.liu.se/ In English The publishers will keep this document online on the Internet - or its possible replacement - for a considerable time from the date of publication barring exceptional circumstances.
    [Show full text]
  • Directfb Overview (V0.1)
    DirectFB Overview (v0.1) Andreas Hundt [email protected] ¡ September 11, 2001 Abstract This document discusses features and concepts of DirectFB. It is work in progress. Contents 1 Introduction 2 1.1 Goals . 2 1.2 Features . 2 1.2.1 Graphic Operations . 2 1.2.2 Windowing System . 3 1.2.3 Resource Management . 3 1.2.4 Graphic Drivers . 3 1.2.5 Input Drivers . 3 1.2.6 Image Loading . 4 1.2.7 Video Playback . 4 1.2.8 Font Rendering . 4 2 DirectFB architecture 5 2.1 Access to the graphics hardware by DirectFB . 5 2.2 Access to input devices by DirectFB . 5 2.3 Important terms used by DirectFB . 5 2.3.1 Blitting . 5 2.3.2 Surface . 6 2.3.3 SubSurface . 6 2.3.4 Layer . 6 2.3.5 Window / Windowstack . 7 2.4 Example of a Layer/Window configuration . 7 3 DirectFB API Concept 8 3.1 The DirectFB Super Interface . 8 3.2 Interface Diagram . 8 3.3 Loadable Modules . 8 3.4 Example code . 9 1 1 Introduction DirectFB is a thin library that provides hardware graphics acceleration, input device handling and abstraction, integrated windowing system with support for translucent windows and multiple display layers on top of the Linux Framebuffer Device. It is a complete hardware abstraction layer with software fallbacks for ev- ery graphics operation that is not supported by the underlying hardware. DirectFB was designed with embedded systems in mind. It offers maximum hardware accel- erated performance at a minimum of resource usage and overhead.
    [Show full text]
  • SL-RAD Studio 10.4-Самый Быстрый Способ Создания
    // RAD Studio 10.4.2 // Самый быстрый способ создания кросс- // платформенных приложений с адаптивными // пользовательскими интерфейсами, // которые впечатляют на всех платформах: // Windows, macOS, iOS, Android и Linux. Copyright Embarcadero 2021, an company // RAD Studio 10.4.2 // Другие продукты Idera Idera Dev Tools Division: Delphi C++Builder RAD Studio Interbase RAD Server Copyright Embarcadero 2021, an company // RAD Studio 10.4.2 // RAD Studio – это: ● Универсальная IDE для создания ○ мультиплатформенных ■ быстродействующих ■ нативных приложений ● в Delphi и на современном C++ ● с помощью мощных визуальных инструментов проектирования и ● встроенных средств компиляции и сборки Copyright Embarcadero 2021, an company // RAD Studio 10.4.2 Быстрая разработка в визуальном режиме RAD Studio содержит мощные VCL компоненты Windows 10 и обеспечивает разработку FMX приложений для различных устройств на Windows, Mac, Linux, iOS и Android Copyright Embarcadero 2021, an company // RAD Studio 10.4.2 // Что делает RAD Studio особенным продуктом? 1. Продуктивность разработчиков – Работа на результат. Выход на рынок 5x быстрее. 2. Быстрые нативные apps - Нативная компиляция делают приложения самыми быстрыми 3. Доступ к БД – С самого начала, доступ к БД – неотъемлемая часть Delphi и C++Builder. 4. Доступ к системному API – Полный доступ к API платформ и управлению памятью. 5. Мощные библиотеки C++ - сотни C++ библиотек могут быть использованы в RAD Studio 6. Визуальные редакторы – Визуальное проектирование полностью в IDE. 7. Надежность приложений – Системы, созданные на Delphi, работают до сих пор. 8. Обширное сообщество - много Technology Partners, MVP, преподавателей и разработчиков. 9. Readability и Maintainability – Разработчики находят правильный баланс с RAD Studio. 10. Обратная совместимость– инвестиции в код не пропадают. 11. Повторное использование кода - Компонентный подход стимулирует повт.
    [Show full text]