[英]C/C++ Allegro program causes Windows 7 to switch to Aero Basic
I'm just trying out the allegro library, and here is the code which I've got so far:我只是在尝试 allegro 库,这是我目前得到的代码:
#include <allegro.h>
int main(int argc, char *argv[]) {
allegro_init(); // initialize the allegro libraries
install_keyboard(); // initialize keyboard functions
set_color_depth(16); // set the color depth
set_gfx_mode(GFX_AUTODETECT_WINDOWED, 640, 480, 0, 0); // set up 640*480px window
BITMAP *pic = NULL;
pic = load_bitmap("C:/picture.bmp", NULL); // load the picture
blit(pic, screen, 0, 0, 0, 0, 1000, 1000);
readkey();
destroy_bitmap(pic);
return 0;
}
END_OF_MAIN()
It works fine, but when I run it, while the program's window is open, Windows 7 changes the theme from Aero to Aero basic.它工作正常,但是当我运行它时,当程序的窗口打开时,Windows 7 将主题从 Aero 更改为 Aero basic。 If you aren't sure what I mean, this pops up (I got this from Google, which is why it says Vista rather than Windows 7):
如果你不确定我的意思,会弹出这个(我从谷歌那里得到的,这就是为什么它说的是 Vista 而不是 Windows 7):
(source: suitedcowboys.com ) (来源: suitecowboys.com )
Aero 需要将颜色设置为 32 位,但您将其设置为 16:
set_color_depth(16);
Unless you have good reason to use a specific color depth, do this:除非您有充分的理由使用特定的颜色深度,否则请执行以下操作:
int cd = desktop_color_depth();
if (cd < 15) cd = 32;
set_color_depth(cd);
While generally not a problem today, many older video cards only support one of 15/16 bit and one of 24/32 bit.虽然今天通常不是问题,但许多较旧的视频卡仅支持 15/16 位之一和 24/32 位之一。
If you need to use 8-bit color depth because you use a palette, then just use the GFX_GDI
driver for maximum compatibility.如果您因为使用调色板而需要使用 8 位颜色深度,那么只需使用
GFX_GDI
驱动程序以获得最大兼容性。
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