SDL将窗口另存为BMP [英] SDL Saving window as BMP
本文介绍了SDL将窗口另存为BMP的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我正在用 SDL
和 C
编写程序,并且希望能够将窗口另存为图像.
I am writing a program in SDL
and C
and I want to be able to save the window as an image.
这是我的代码:
screen = SDL_GetWindowSurface(win);
SDL_SaveBMP(screen,"screen");
但是当我执行它时,我得到:
But when I execute it I get:
Segmentation Fault
我从其他来源收集到有关指针和内存访问的信息.有帮助吗?
From other sources I gather that its about pointers and memory access. Any help?
推荐答案
在窗口表面调用 SDL_LockSurface 保存位图之前,然后保存SDL_UnlockSurface.
Call SDL_LockSurface on a window surface before saving bitmap, and SDL_UnlockSurface after that.
这篇关于SDL将窗口另存为BMP的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
查看全文