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attempt to fix crash with too-large dialogs

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This commit is contained in:
uid68803 2004-02-11 04:22:46 +00:00
parent 3c97260623
commit fc683ad461
1 changed files with 18 additions and 4 deletions
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22
src/show_dialog.cpp
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@ -108,17 +108,31 @@ void draw_dialog_background(int x, int y, int w, int h, display& disp, const std
}
const SDL_Rect& screen_bounds = disp.screen_area();
if(x < 0)
if(x < 0) {
w += x;
x = 0;
}
if(y < 0)
if(y < 0) {
h += y;
y = 0;
}
if(x + w > screen_bounds.w)
if(x > screen_bounds.w) {
return;
}
if(y > screen_bounds.h) {
return;
}
if(x + w > screen_bounds.w) {
w = screen_bounds.w - x;
}
if(y + h > screen_bounds.h)
if(y + h > screen_bounds.h) {
h = screen_bounds.h - y;
}
for(int i = 0; i < w; i += bg->w) {
for(int j = 0; j < h; j += bg->h) {