colorspace udma

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View Nic, Motherboard, CPU, video card, hard disk model, and other hardware information in centos

17 M 77 M 18%/boot Method 1: [Root @ server] # hdparm-I/dev/sda /Dev/sda: Model = SAMSUNG he251_j, FwRev = 1AJ30001, SerialNo = S2B5J90ZC12060 Config = {Fixed} RawCHS = 16383/16/63, TrkSize = 0, SectSize = 0, ECCbytes = 4 BuffType = unknown, BuffSize = 16384kB, MaxMultSect = 16, MultSect =? 16? CurCHS = 16383/16/63, CurSects = 16514064, LBA = yes, LBAsects = 268435455 IORDY = on/off, tPIO = {min: 120, w/IORDY: 120}, tDMA = {min: 120, rec: 120} PIO modes: pio0 pio1 pio2 pio3 pio4 DMA modes: mdma

Organize, maintain, and optimize Linux system hard disks

program partitions that do not change frequently like/usr, but it can create a miracle in the/home partition of a multi-user system. It takes the same time as the disk fragmentation of the Windows NT Server. If the disk performance is still unsatisfactory, there are many other steps to consider, but any hardware solution that includes upgrading or purchasing new devices may be expensive. Upgrade from IDE To SCSI If your hard disk is an IDE drive, you can upgrade it to the SCSI drive for better

Practical Tips for Linux server hard disk optimization

many other steps to consider, but any hardware solution that includes upgrading or purchasing new devices may be expensive. 3. upgrade from IDE To SCSI If your hard disk is an IDE drive, you can upgrade it to the SCSI drive for better overall performance. Because the IDE controller must access the CPU, CPU and disk-intensive operations may become very slow. The SCSI controller does not need to process read/write through the CPU. When the IDE drive is reading or writing, the user may complain ab

Basic Search commands and information in Linux, and query commands in linux

% /home/dev/sda3 9.7G 1.3G 7.9G 15% /usr/dev/sda2 9.7G 198M 9.0G 3% /var/dev/sda1 99M 17M 77M 18% /boot Method 1: [root@www.ctohome.com]# hdparm -i /dev/sda/dev/sda: Model=SAMSUNG HE253GJ , FwRev=1AJ30001, SerialNo= S2B5J90ZC12060 Config={ Fixed } RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4 BuffType=unknown, BuffSize=16384kB, MaxMultSect=16, MultSect=?16? CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAse

Basic Search commands and viewing information in Linux

9.7G 1.3G 7.9G 15% /usr/dev/sda2 9.7G 198M 9.0G 3% /var/dev/sda1 99M 17M 77M 18% /bootMethod 1:[root@www.ctohome.com]# hdparm -i /dev/sda/dev/sda: Model=SAMSUNG HE253GJ , FwRev=1AJ30001, SerialNo= S2B5J90ZC12060 Config={ Fixed } RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4 BuffType=unknown, BuffSize=16384kB, MaxMultSect=16, MultSect=?16? CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=268435455 IORD

Get click icon to select Color

Cgcontextref cgbitmapcontextcreate (void *data, size_t width, size_t height, size_t bitspercomponent, size_t bytesPeRrow, Cgcolorspaceref colorspace, Cgbitmapinfo bitmapinfo); The parameter data points to the area of memory where the drawing operation is rendered, and the memory area should be (bytesperrow*height) bytes.   If there is no particular requirement for the area of memory that the drawing operation is rendered, then NULL is passed to the pa

Improve hard disk read and write speed under Linux __linux

"/sbin/hdparm-c1-d1-k1/dev/hda" >>/etc/rc.d/rc.local[Root@anima lwg]# "Sadie Net-it Technology report" At present many friends have used the large capacity DMA or the UDMA-33 standard hard disk. Under Microsoft's Windows98, the DMA (direct memory access) of the IDE's hard disk can be turned on in the computer's CMOS or operating system to enable DMA or UDMA-33 standard hard drives to improve data transfe

) UIColor, CGColor, CIColor, and uicolorcgcolor

of two parts: CGColorSapce and Color Components. The Color is the same. If the Color space is different, the parsed results may be different. This is like when we are processing image data, we can imagine the result of processing RGBA format as BGRA format. In Quartz 2D, CGColor is often used to set the fill color of context and set the transparency. 1. How to Create a CGColor, the most common function is CGColorCreate. This function has two parameters: 1)

Linux boot Error

, s/g segs 256 SCSI Media Changer driver v0.25 Scsi0: ata_piix Scsi1: ata_piix Ata1: PATA max UDMA/100 cmd 0x000101f0 ctl 0x000103f6 bmdma 0x0001f000 irq 14 Ata2: PATA max UDMA/100 cmd 0x00010170 ctl 0x00010376 bmdma 0x0001f008 irq 15 Ata1.00: CFA: SanDisk SDCFH-1024, HDX 4.09, max MWDMA2 Ata1.00: 2001888 sectors, multi 0: LBA Ata1.00: configured for MWDMA2 Ata2.00: ATA-7: st%215a, 3.AAD, max

How to optimize Linux

create a miracle in the/home partition of a multi-user system. The time it takes is the same as that of the WindowsNT server disk fragment. If the disk performance is still unsatisfactory, there are many other steps to consider, but any hardware solution that includes upgrading or purchasing new devices may be expensive. 3. upgrade from IDE To SCSI If your hard disk is an IDE drive, you can upgrade it to the SCSI drive for better overall performance. Because the IDE controller must access the C

Seven Practical Skills for optimizing Linux system hard drive (1)

controllers, but some very fast "UltraWide" SCSI controllers can make a real leap in read and write speed. The EIDE and UDMA controllers are very fast IDE controllers. The new UDMA controller can speed up to the SCSI controller. The top-level speed of the UDMA controller is the burst speed, but the continuous transmission speed is much slower. The IDE controller

iOS plus watermark

1. Add text-(UIImage *) AddText: (UIImage *) img Text: (NSString *) text1{ //get image Width and height int w = img.size.width; int h = img.size.height; cgcolorspaceref colorspace = Cgcolorspacecreatedevicergb (); //create a graphic context with cgbitmapcontextcreate cgcontextref context = Cgbitmapcontextcreate (NULL, W, H, 8, 4 * W, ColorSpace, KCGIma Gealphapremultipliedfirst); cgcontextdrawimage (contex

Ios_26popovercontroller Simple to use

+ offset addresses +1 other similar int red = Datapoint[offset+1];int Green = Datapoint[offset+2];int blue = datapoint[offset+3]; NSLog (@ "offset address:%i Colors:rgba%i%i%i%i", Offset,red,green,blue,alpha); offset:150908 Colors:rgb A 255 0 254 255//Generate Color object based on rgba colour = [Uicolor colorwithred: (red/255.0f) Green: (gr een/255.0f) Blue: (blue/255.0f) Alpha: (alpha/255.0f)];} When the operation is complete, release the context object Cgcontextrelease (CONTEXREF);

Ios_26povercontroller for simple use

by referencing the image in _ imgView, that is, create an ARGBBitmapContex Based on CGImageRef T-(CGContextRef) ARGBBitmapContextFromImage :( CGImageRef) inImage {// context CGContextRef context = NULL; // Color Space CGColorSpaceRef colorSpace; // The first address of the bitmap data in the memory space void * bitmapData; // The number of bytes in each row int bitmapBytesPerRow; // The total number of bytes of the image int bitmapByteCount; // obtai

Generating gray (black and white) images in IOS

CodeThe purpose is to generate a gray (black and white) uiimage based on a uiimage. The following code is from a reply in stackoverflow. Unfortunately, the original link cannot be found. -(Uiimage *) convertimagetogreyscale :( uiimage * ) Image { // Create Image rectangle with current image width/height Cgrect imagerect = cgrectmake ( 0 , 0 , Image. Size. Width, image. Size. Height ); // Grayscale Color Space Cgcolorspaceref colorspace = Cgcol

Create a user-defined BufferedImage and image bufferedimage in pixel format based on existing image data

with BufferedImage in Java by using Raster and DataBuffer in Java (Here we assume that BufferedImage uses TYPE_INT_ARGB because it corresponds to kCVPixelFormatType_32ARGB ). If we do this, we will find that the color of the image is completely disordered. In fact, we can know through computation, the data size of the BufferedImage image corresponding to the TYPE_INT_ARGB format under the height and width is width × height × 4 bytes (because one pixel is int type, 4 bytes ), however, the image

Demo of using a program to draw a pie chart for ios

(context, path );CGContextDrawPath (context, kCGPathFill );}// Overall gradientCGFloat componets [] = {0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.1 };CGColorSpaceRef colorspace = CGColorSpaceCreateDeviceRGB ();CGGradientRef gradient = CGGradientCreateWithColorComponents (colorspace, componets, nil, 2 );CGContextDrawRadialGradient (context, gradient, CGPointMake (160,230), 0, CGPointMake (160,230), 150, 0 );CFRel

Three ways to summarize the gradual color of IOS _ios

rectangular area, and then according to the rectangle to take two points, Readers can modify specific code according to their own needs. 1-> linear Gradient -(void) Drawlineargradient: (cgcontextref) Context path: (cgpathref) path StartColor: (cgcolorref) StartColor EndColor: ( Cgcolorref) EndColor {cgcolorspaceref colorspace = Cgcolorspacecreatedevicergb (); CGFloat locations[] = {0.0, 1.0}; Nsarray *colors = @[(__bridge ID) startcolor, (

Installation method for server RAID without floppy drive

may not include. cat files and. dll files, but must include Txtsetup.oem,. inf and. sys files; B. All documents appearing in the Txtsetup.oem file should be copied to the TextMode directory; C. These files must also be copied into the relevant directory specified by the OemPnPDriversPath key in the answer file, such as our f:\win2k\i386\ $OEM $\$1\pnpdrvrs\raid100 D. File names in all TextMode directories must also be listed in the [OEMBootFiles] section of the answer file. (4) Edit the Txt

IOS implements code that takes color from the background image _ios

This article explains the iOS from the background Image color code, shared for everyone to refer to, the specific contents are as follows Implementation code: void *bitmapdata; A pointer to the memory space equal to the number of bytes used by the image to use the RGB channel. Static Cgcontextref Creatergbabitmapcontext (Cgimageref inimage) {cgcontextref context = NULL; Cgcolorspaceref ColorSpace; int bitmapbytecount; int bitmapbytes

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