TBITMAP access to JPG, BMP image using scanline (BMP. Height - 1). The image data, how to write in the VC can get the image data

CodePudding user response:

Is the color value of two dimensional array
Scanline, once read a line of
You have to get a double loop

CodePudding user response:

Scanline returning a pointer to a is a line of data, data can be accessed through the pointer,

CodePudding user response:

Reading is like somalia's value,

CodePudding user response:

VC if is pure API, typically by Dc, use GetDIBits function, such as image data, content, just like ScanLine is just data is from the beginning to the end, to myself at the first address which line x width x + 4 (32) for line of demarcation