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Mac: Implemented SDL_GetDisplayDPI (thanks, Kirill!).

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Fixes Bugzilla #3223.
This commit is contained in:
Ryan C. Gordon
2016-01-07 14:02:37 -05:00
parent 1d1ba58f28
commit 416d046663
4 changed files with 27 additions and 0 deletions
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7
test/testdisplayinfo.c
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@@ -51,11 +51,18 @@ main(int argc, char *argv[])
for (dpy = 0; dpy < num_displays; dpy++) {
const int num_modes = SDL_GetNumDisplayModes(dpy);
SDL_Rect rect = { 0, 0, 0, 0 };
float ddpi, hdpi, vdpi;
int m;
SDL_GetDisplayBounds(dpy, &rect);
SDL_Log("%d: \"%s\" (%dx%d, (%d, %d)), %d modes.\n", dpy, SDL_GetDisplayName(dpy), rect.w, rect.h, rect.x, rect.y, num_modes);
if (SDL_GetDisplayDPI(dpy, &ddpi, &hdpi, &vdpi) == -1) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, " DPI: failed to query (%s)\n", SDL_GetError());
} else {
SDL_Log(" DPI: ddpi=%f; hdpi=%f; vdpi=%f\n", ddpi, hdpi, vdpi);
}
if (SDL_GetCurrentDisplayMode(dpy, &mode) == -1) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, " CURRENT: failed to query (%s)\n", SDL_GetError());
} else {