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Implement DPI scaling for Windows (#9586)

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sfan5 2020-04-11 20:03:59 +02:00 committed by GitHub
parent 5cc06e4748
commit 40df3931d8
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5 changed files with 69 additions and 25 deletions
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4
misc/minetest.exe.manifest
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@ -8,8 +8,8 @@
</security>
</trustInfo>
<application xmlns="urn:schemas-microsoft-com:asm.v3">
<windowsSettings>
<dpiAware xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">true</dpiAware>
<windowsSettings xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">
<dpiAware>true</dpiAware>
</windowsSettings>
</application>
</assembly>

6
misc/winresource.rc
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@ -1,6 +1,8 @@
#include <windows.h>
#include <winuser.h>
#include <commctrl.h>
#include <richedit.h>
#ifndef USE_CMAKE_CONFIG_H
#define USE_CMAKE_CONFIG_H
#endif
@ -13,6 +15,10 @@
#define BUILDMODE "RUN_IN_PLACE=0"
#endif
#ifdef __MINGW32__
CREATEPROCESS_MANIFEST_RESOURCE_ID RT_MANIFEST "minetest.exe.manifest"
#endif
LANGUAGE 0, SUBLANG_NEUTRAL
130 ICON "minetest-icon.ico"

2
src/CMakeLists.txt
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@ -451,7 +451,7 @@ if(WIN32)
-i${WINRESOURCE_FILE}
-o ${CMAKE_CURRENT_BINARY_DIR}/winresource_rc.o
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
DEPENDS ${WINRESOURCE_FILE})
DEPENDS ${WINRESOURCE_FILE} ${MINETEST_EXE_MANIFEST_FILE})
SET(extra_windows_SRCS ${CMAKE_CURRENT_BINARY_DIR}/winresource_rc.o)
else(MINGW) # Probably MSVC
set(extra_windows_SRCS ${WINRESOURCE_FILE} ${MINETEST_EXE_MANIFEST_FILE})

77
src/client/renderingengine.cpp
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@ -45,7 +45,11 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#endif
#ifdef _WIN32
#include <windows.h>
#include <winuser.h>
#endif
#if ENABLE_GLES
@ -318,6 +322,28 @@ void RenderingEngine::setupTopLevelXorgWindow(const std::string &name)
#endif
}
#ifdef _WIN32
static bool getWindowHandle(irr::video::IVideoDriver *driver, HWND &hWnd)
{
const video::SExposedVideoData exposedData = driver->getExposedVideoData();
switch (driver->getDriverType()) {
case video::EDT_DIRECT3D8:
hWnd = reinterpret_cast<HWND>(exposedData.D3D8.HWnd);
break;
case video::EDT_DIRECT3D9:
hWnd = reinterpret_cast<HWND>(exposedData.D3D9.HWnd);
break;
case video::EDT_OPENGL:
hWnd = reinterpret_cast<HWND>(exposedData.OpenGLWin32.HWnd);
break;
default:
return false;
}
return true;
}
#endif
bool RenderingEngine::setWindowIcon()
{
@ -335,22 +361,9 @@ bool RenderingEngine::setWindowIcon()
"-xorg-icon-128.png");
#endif
#elif defined(_WIN32)
const video::SExposedVideoData exposedData = driver->getExposedVideoData();
HWND hWnd; // Window handle
switch (driver->getDriverType()) {
case video::EDT_DIRECT3D8:
hWnd = reinterpret_cast<HWND>(exposedData.D3D8.HWnd);
break;
case video::EDT_DIRECT3D9:
hWnd = reinterpret_cast<HWND>(exposedData.D3D9.HWnd);
break;
case video::EDT_OPENGL:
hWnd = reinterpret_cast<HWND>(exposedData.OpenGLWin32.HWnd);
break;
default:
if (!getWindowHandle(driver, hWnd))
return false;
}
// Load the ICON from resource file
const HICON hicon = LoadIcon(GetModuleHandle(NULL),
@ -632,7 +645,7 @@ const char *RenderingEngine::getVideoDriverFriendlyName(irr::video::E_DRIVER_TYP
}
#ifndef __ANDROID__
#ifdef XORG_USED
#if defined(XORG_USED)
static float calcDisplayDensity()
{
@ -667,12 +680,42 @@ float RenderingEngine::getDisplayDensity()
return cached_display_density;
}
#else // XORG_USED
#elif defined(_WIN32)
static float calcDisplayDensity(irr::video::IVideoDriver *driver)
{
HWND hWnd;
if (getWindowHandle(driver, hWnd)) {
HDC hdc = GetDC(hWnd);
float dpi = GetDeviceCaps(hdc, LOGPIXELSX);
ReleaseDC(hWnd, hdc);
return dpi / 96.0f;
}
/* return manually specified dpi */
return g_settings->getFloat("screen_dpi") / 96.0f;
}
float RenderingEngine::getDisplayDensity()
{
static bool cached = false;
static float display_density;
if (!cached) {
display_density = calcDisplayDensity(get_video_driver());
cached = true;
}
return display_density;
}
#else
float RenderingEngine::getDisplayDensity()
{
return g_settings->getFloat("screen_dpi") / 96.0;
}
#endif // XORG_USED
#endif
v2u32 RenderingEngine::getDisplaySize()
{

5
src/constants.h
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@ -110,10 +110,5 @@ with this program; if not, write to the Free Software Foundation, Inc.,
GUI related things
*/
// TODO: implement dpi-based scaling for windows and remove this hack
#if defined(_WIN32)
#define TTF_DEFAULT_FONT_SIZE (18)
#else
#define TTF_DEFAULT_FONT_SIZE (16)
#endif
#define DEFAULT_FONT_SIZE (10)