How do I save the JPG format options like Photoshop? Delphi/Windows SDK/API
Http://www.delphi2007.net/DelphiMultimedia/html/delphi_20061019114413224.html
I do not know
Accidentally discover your own
Code The saved JPG is of inferior quality to PS
The Load Code is as follows: [loadin is the complete file name]
Loadinbmp: = tbitmap. Create;
If (lowercase (ext
Advantages : Photographic works or realistic works support advanced compression.
The file size can be controlled using a variable compression ratio.Supports interleaving (for asymptotic JPEG files).Broad support for Internet standards.Because of its small size, JPG is used to store and transmit photos in the World Wide Web.
disadvantage : lossy compression can degrade the quality of the original image data.
When you edit and save a
After many people use Photoshop to finish their photos, they usually store the files in JPEG for easy display on the Internet. While in storage, PS will provide some options for you to fine-tune the picture, in addition to "Image options" where you can choose the quality, there is another one called "
numberAfter 4bit for QT accuracy, 0=8bit, otherwise 16bitThe last is the QT information, the length is 64 integer timesTo view the DQT information for a test picture,Length is 0x43, decimal is 6700 for QT number 0 with accuracy of 8bitThen 64 bytes is the QT information byteNote:Here DQT format reference from Http://www.opennet.ru/docs/formats/jpeg.txtTry to replace these 64 bytes,Before and after contrast, can find the change of pictureIf you only a
Q: After I take a picture of JPEG format, is there any way to adjust the white balance of the photo? Or does a similar adjustment only apply to RAW format?
A: Strictly speaking, you'd better use raw format to shoot, so that in the later editing process, the balance of the dialogue in the lossless adjustment. Since the
1. Bitmap Class Based on C #
Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> Using System; Using System. Collections. Generic; Using System. text; Using System. IO; Using System. drawing; Using System. Drawing. imaging; Namespace Lelebmp tojpeg{ Class Program{ Static Void Main ( String [] ARGs){ String BMP filepath = " Testbmp .bmp " ;Bitmap m_bitmap = New Bitmap (BMP filepath ); // Reads bitmap files
compression method that discards some of the details of a picture. Therefore, if the quality of the picture is not very high, you can use JPG to save the way. Then according to the characteristics of JPG summed up: color-rich photos suitable for the preservation of JPG, not suitable for small icons, lines of pictures.PNG is a picture format introduced in the 1990s, which uses lossless compression. Its purpose is to replace GIF. PNG is divided into pn
, Photoshop converts the vector graphics of these objects into a bitmap image. It also allows users to make EPS format conversion selection settings (rasterize Generic EPS Format) dialog box, so that users can customize the resolution and image size and color mode. The EPS format is the only
The HD Photo file format plugin for Adobe Photoshop has finally been officially released, offering fully controllable tuning options that allow PS to support seamless output and input of excellent new WDP format files. This format is natively supported by Windows Vista above
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.