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Improve view centering

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This commit is contained in:
Harry Jeffery 2015-11-09 23:45:34 +00:00
parent 99d16ae8d0
commit cedaf52814
1 changed files with 10 additions and 2 deletions
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12
main.c
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@ -112,6 +112,15 @@ void zoom_view(int amount)
g_view.redraw = 1;
}
void center_view()
{
int wx, wy;
SDL_GetWindowSize(g_window, &wx, &wy);
g_view.x = (wx - g_img.width * g_view.scale) / 2;
g_view.y = (wy - g_img.height * g_view.scale) / 2;
g_view.redraw = 1;
}
void scale_to_window()
{
int ww, wh;
@ -127,8 +136,7 @@ void scale_to_window()
g_view.scale = (double)ww/(double)g_img.width;
}
//Also center image
g_view.x = 0;
g_view.y = 0;
center_view();
g_view.redraw = 1;
}