Win32: Fix invalid calls to GetDpiForWindow

The check for Windows 10 Anniversary Edition or later was not always
performed before calling GetDpiForWindow.

Fixes #1335.
Closes #1363.
This commit is contained in:
Camilla Löwy 2018-10-21 14:35:48 +02:00
parent 1725d1c4f5
commit e779280802

View File

@ -209,11 +209,14 @@ static void getFullWindowSize(DWORD style, DWORD exStyle,
static void applyAspectRatio(_GLFWwindow* window, int edge, RECT* area)
{
int xoff, yoff;
UINT dpi = USER_DEFAULT_SCREEN_DPI;
const float ratio = (float) window->numer / (float) window->denom;
if (_glfwIsWindows10AnniversaryUpdateOrGreaterWin32())
dpi = GetDpiForWindow(window->win32.handle);
getFullWindowSize(getWindowStyle(window), getWindowExStyle(window),
0, 0, &xoff, &yoff,
GetDpiForWindow(window->win32.handle));
0, 0, &xoff, &yoff, dpi);
if (edge == WMSZ_LEFT || edge == WMSZ_BOTTOMLEFT ||
edge == WMSZ_RIGHT || edge == WMSZ_BOTTOMRIGHT)
@ -1001,14 +1004,17 @@ static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg,
case WM_GETMINMAXINFO:
{
int xoff, yoff;
UINT dpi = USER_DEFAULT_SCREEN_DPI;
MINMAXINFO* mmi = (MINMAXINFO*) lParam;
if (window->monitor)
break;
if (_glfwIsWindows10AnniversaryUpdateOrGreaterWin32())
dpi = GetDpiForWindow(window->win32.handle);
getFullWindowSize(getWindowStyle(window), getWindowExStyle(window),
0, 0, &xoff, &yoff,
GetDpiForWindow(window->win32.handle));
0, 0, &xoff, &yoff, dpi);
if (window->minwidth != GLFW_DONT_CARE &&
window->minheight != GLFW_DONT_CARE)