245253 off screen surfaceBitmap rotation and scaling 260Discrete sampling theory 261Color Effect 265Manual color conversion and query table 272New Color and Gamma control interfaces of DirectX 272Use GDI and DirectX 273DirectDraw's true face is 275Use Windows 278Conclusion 285Chapter 2 vector raster and 2D transformation 8thDraw line 286Crop a basic 2D image by 294Wire box polygon 306Transformation 310 in a 2D planeIntroduction to matrix 320Translation 326Scale 327Rotate 327Fill in solid polygo
Install LMMS 14.04 on Ubuntu 1.03
LMMS is a free cross-platform software that allows you to make music on your computer. It involves creating songs, rhythms, synthetic or mixed sounds, and orchestrating music. You can use your MIDI keyboard or more to do some fun things, all based on a friendly and modern interactive interface. In addition, LMMS integrates many preset instruments, default sound plug-in settings, and music.
LMMS 1.03 features:
Song-
the HTTP protocol, its meaning becomes more significant. It makes HTTP transmitted not only plain text, but also rich and colorful.
Each MIME type consists of two parts. The front part is a large data type, such as audio, image, and so on. The latter part defines a specific type.
Common MIME types
Hypertext markup language text .html, .html text/html
Common text. txt text/plain
RTF text. rtfapplication/rtf
GIF image. gif image/gif
JPEG image .ipeg,.jpg image/jpeg
Au audio file. au audio/basi
dialog box. On this tab, you can see the default devices related to "sound playback", "Recording", and "MIDI music playback. When multiple audio devices are installed on your computer, you can select the default device for the application, and adjust the volume and perform advanced settings.
Perform the following steps to set the audio:
(1) In the "sound playback" option group, select the preferred device for sound playback from the "default devi
Transferred from: Baidu KnowsUsage of all windows system files
A branchAccess. chm-Windows Help FileAccstat. exe-auxiliary status indicatorAdvapi32.dll-advanced Win32 application interfaceAha154x. MPD-SCSI driverAm1500t. vxt-NIC DriverAm2100.dos-NIC DriverAppstart. ani-Animated CursorApps. HlP-Windows Help FileAudiocdc. HlP-"easy code decoder" Help FileAwardpr32.exe-added printer tools
B BranchBigmem. DRV-bigmem Virtual DeviceBilladd. dll-dynamic link library (MSW supported)BiOS. VxD-plug-and-p
basically keeping the low audio part not distorted, but at the expense of the sound file 12 kHz to 16 KHz high audio part of the quality in exchange for the file size, for music files of the same length, use *. only *. 1/10 of the wav file, and the audio quality must be in the audio CD or WAV format.* There are many sampling frequencies for MP3 compressed music. You can use 64 kbps or a lower sampling frequency to save space. You can also use the kbps standard to achieve extremely high sound qu
, and then use the second keyword to determine whether a specific detailed information exists. The biggest difference between inurl syntax and Basic Search syntax is that the former can usually provide very accurate topic information.
Demo example: Find the Midi Music "a smile in the sea ".
Search: "inurl: MIDI"
Result: You have searched the Chinese (simplified) webpage for inurl:
.1.1.2 Fuzzy Matching method: that is, the input of the user and the music of the database are fuzzy matching. The distance measurement method used is the editing distance calculation.Representative system: Prechelt and Typke Musipedia.Music Search Engine-musipediaMusipedia-a MIDI-based music search engine. (Simplified Chinese version)Musicpedia is mainly search for its own library, but can also be searched for the whole web! Its search technology pla
difference between INURL syntax and basic search syntax is that the former can usually provide very accurate topic information. For example, find the MIDI music "a sea of laughter ". Search: "inurl: midi"Result: you have searched the Chinese (simplified) webpage for inurl: midi. There are about 14 query results, which are 1-10. Th
fileA3m,a4m:authorware Macintosh unpackaged filesa3w,a4w,a5w: Authorware Windows files that are not packagedBBAK: Backing up filesBas:basic source FileBAT: Batch FileBIN: Binary fileBINHex: An encoding format for applesBmp:windows or OS/2 bitmap fileBook:adobe FrameMaker Book fileBox:lotus Notes for mailbox filesBpl:borlard Delph 4 Packaging LibraryBsp:quake graphics fileBun:cakewalk Sound Bundle file (a MIDI program)CC0L: Taiwan storm-shaped fileCab
like to adopt the Hungarian nomenclature (Hungarian Notation). If you're used to this, use it, but be careful to be consistent with project people. Some people are accustomed to C + + in the next line of the way, can also be used.Hungarian Notation:SfirstnameUnder Score Style:_FirstNameThis provides a Hungarian notation prefix naming habits:int IBYTE bChar CDouble DFloat FLong LOffset offLength LenObject oString s (or str)Arbitray Value V6. java file formatThere are many ways to define your fil
Multimedia is a method that combines multiple media sets with computer technology to establish logical connections and process them. Multimedia mainly includes text, graphics, images, sounds, videos and animations, and is combined with advanced computer, communication, and broadcast and television technologies, form an integrated environment and interactive system that can organize, store, operate and control multimedia information.
On Windows, multimedia elements mainly include audio, digital v
Ubuntu8.04 comes with a powerful graphic image processing tool, GIMP, which is comparable to AdobePhotoshop in Windows. It is often compared to open-source Photoshop. In a sense, perhaps more powerful. GIMP helps you create and process images to meet your needs! GIMP includes functions and plug-ins of other well-known image processing software. If you need to use a MIDI device as the input in GIMP, install libasou
Ubuntu 8.04 comes with a powerful gr
TCP connection ). Later, it was found that if you establish a PPP connection with the mobile gateway before making a TCP connection, you can use the PPP program in Linux. For details, you can query the documents related to GPRS internet access in Linux. I tried to use the "ATD * 99 *** 1 #" command of sim300 to dial, and then garbled characters were displayed, and the last "no carrier" was displayed ". It should be that the sim300 does not have an embedded PPP protocol stack (but I don't know w
When listening to music, we often play with external Bluetooth audio devices, so how many blue-night devices can Mac computers connect at the same time? How do Mac computers connect to multiple Bluetooth devices? In fact, the MAC itself is able to connect more than 2 different brands of Bluetooth speakers, want to connect more need to use the Bluetooth receiver, and all the equipment to the Bluetooth receiver, the following to see how to operate it!Steps to connect multiple Bluetooth devices to
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