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removed dependency on shcore.dll to get DPI

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fixes #4973
This commit is contained in:
Juan Linietsky 2016-06-01 12:43:30 -03:00
parent 5b9ff5f494
commit 4ec2b1434f
2 changed files with 75 additions and 15 deletions
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2
platform/windows/detect.py
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@ -243,7 +243,7 @@ def configure(env):
env.Append(CCFLAGS=['/DGLES2_ENABLED'])
env.Append(CCFLAGS=['/DGLEW_ENABLED'])
LIBS=['winmm','opengl32','dsound','kernel32','ole32','oleaut32','user32','gdi32', 'IPHLPAPI','Shcore','Shlwapi', 'wsock32', 'shell32','advapi32','dinput8','dxguid']
LIBS=['winmm','opengl32','dsound','kernel32','ole32','oleaut32','user32','gdi32', 'IPHLPAPI','Shlwapi', 'wsock32', 'shell32','advapi32','dinput8','dxguid']
env.Append(LINKFLAGS=[p+env["LIBSUFFIX"] for p in LIBS])
env.Append(LIBPATH=[os.getenv("WindowsSdkDir")+"/Lib"])

88
platform/windows/os_windows.cpp
View file

@ -57,13 +57,6 @@
#include <regstr.h>
#include <process.h>
#if (_MSC_VER >= 1700)
#define HIDPI_SUPPORT
#endif
#ifdef HIDPI_SUPPORT
#include <ShellScalingAPI.h>
#endif
static const WORD MAX_CONSOLE_LINES = 1500;
extern "C" {
@ -781,6 +774,8 @@ LRESULT CALLBACK WndProc(HWND hWnd,UINT uMsg, WPARAM wParam, LPARAM lParam) {
}
void OS_Windows::process_key_events() {
for(int i=0;i<key_event_pos;i++) {
@ -852,6 +847,75 @@ void OS_Windows::process_key_events() {
key_event_pos=0;
}
enum _MonitorDpiType
{
MDT_Effective_DPI = 0,
MDT_Angular_DPI = 1,
MDT_Raw_DPI = 2,
MDT_Default = MDT_Effective_DPI
};
static int QueryDpiForMonitor(HMONITOR hmon, _MonitorDpiType dpiType= MDT_Default)
{
int dpiX = 96, dpiY = 96;
static HMODULE Shcore = NULL;
typedef HRESULT (WINAPI* GetDPIForMonitor_t)(HMONITOR hmonitor, _MonitorDpiType dpiType, UINT *dpiX, UINT *dpiY);
static GetDPIForMonitor_t getDPIForMonitor = NULL;
if (Shcore == NULL)
{
Shcore = LoadLibraryW(L"Shcore.dll");
getDPIForMonitor = Shcore ? (GetDPIForMonitor_t)GetProcAddress(Shcore, "GetDpiForMonitor") : NULL;
if ((Shcore == NULL) || (getDPIForMonitor == NULL))
{
if (Shcore)
FreeLibrary(Shcore);
Shcore = (HMODULE)INVALID_HANDLE_VALUE;
}
}
UINT x = 0, y = 0;
HRESULT hr = E_FAIL;
bool bSet = false;
if (hmon && (Shcore != (HMODULE)INVALID_HANDLE_VALUE))
{
hr = getDPIForMonitor(hmon, dpiType/*MDT_Effective_DPI*/, &x, &y);
if (SUCCEEDED(hr) && (x > 0) && (y > 0))
{
dpiX = (int)x;
dpiY = (int)y;
}
}
else
{
static int overallX = 0, overallY = 0;
if (overallX <= 0 || overallY <= 0)
{
HDC hdc = GetDC(NULL);
if (hdc)
{
overallX = GetDeviceCaps(hdc, LOGPIXELSX);
overallY = GetDeviceCaps(hdc, LOGPIXELSY);
ReleaseDC(NULL, hdc);
}
}
if (overallX > 0 && overallY > 0)
{
dpiX = overallX; dpiY = overallY;
}
}
return (dpiX+dpiY)/2;
}
BOOL CALLBACK OS_Windows::MonitorEnumProc(HMONITOR hMonitor, HDC hdcMonitor, LPRECT lprcMonitor, LPARAM dwData) {
OS_Windows *self=(OS_Windows*)OS::get_singleton();
MonitorInfo minfo;
@ -861,13 +925,9 @@ BOOL CALLBACK OS_Windows::MonitorEnumProc(HMONITOR hMonitor, HDC hdcMonitor, LPR
minfo.rect.pos.y=lprcMonitor->top;
minfo.rect.size.x=lprcMonitor->right - lprcMonitor->left;
minfo.rect.size.y=lprcMonitor->bottom - lprcMonitor->top;
#ifdef HIDPI_SUPPORT
UINT dpix,dpiy;
GetDpiForMonitor(hMonitor,MDT_EFFECTIVE_DPI,&dpix,&dpiy);
minfo.dpi=(dpix + dpiy)/2;
#else
minfo.dpi=72;
#endif
minfo.dpi = QueryDpiForMonitor(hMonitor);
self->monitor_info.push_back(minfo);
return TRUE;