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As dp is a physical unit it has an absolute value which can be measured in traditional units, e.g. for Android devices 1 dp equals 1/160 of inch or 0.15875 mm. While traditional pixels only refer to the display of information, device-independent pixels may also be used to measure user input such as input on a touch screen device.
Explicit DPI (PPI) for rasterized images, fonts or effects GIF: Pixel Raster Yes No No No ICO: Pixel Raster Yes Yes No No JPEG: Pixel Raster No Implicit when density is set Optional PPI or PPCM, 2 bytes each for horizontal and vertical directions [26] PDF: Length Both Yes Yes Explicit Explicit DPI (PPI) for rasterized images, fonts or effects ...
The following is a comparison of high-definition smartphone displays, containing information about their specific screen technology, resolution, size and pixel density.It is divided into three categories, containing smartphones with 720p, 1080p and 1440p displays.
The resolution of 960H depends on whether the equipment is PAL or NTSC based: 960H represents 960 x 576 (PAL) or 960 x 480 (NTSC) pixels. [29] 960H represents an increase in pixels of some 30% over standard D1 resolution, which is 720 x 576 pixels (PAL), or 720 x 480 pixels (NTSC). The increased resolution over D1 comes as a result of a longer ...
Since Android 1.6 "Donut" (September 2009) [12] Android has provided support for multiple screen sizes and densities. Android expresses layout dimensions and position via the density-independent pixel or "dp" which is defined as one physical pixel on a 160 dpi screen. At runtime, the system transparently handles any scaling of the dp units, as ...
Individual coloured droplets of ink are visible; this sample is about 150 DPI. Dots per inch (DPI, or dpi [1]) is a measure of spatial printing, video or image scanner dot density, in particular the number of individual dots that can be placed in a line within the span of 1 inch (2.54 cm).
Many Android tablets have a 16:10 aspect ratio, because the 16:10 aspect ratio is suitable for reading books, and many papers have an aspect ratio close to 16:10 (e.g., ISO 216 papers use the 1:1.414 aspect ratio). [22] Apple's iPad uses a 4:3 aspect ratio for similar reasons.
Version 2 (as defined in 861-A) added the capability to designate a number of DTDs as "native" (i.e., matching the resolution of the display) and also included some "basic discovery" functionality for whether the display device contains support for "basic audio", YC B C R pixel formats, and underscan.