@ -65,7 +65,7 @@ respective sections in @ref building-corrade-cross-emscripten "Corrade's" and
on * * SDL2 * * library ( Emscripten has it built in ) and is built if
` WITH_SDL2APPLICATION ` is enabled in CMake .
# # Bootstrap application
@ section Platform - Sdl2Application - bootstrap Bootstrap application
Fully contained base application using @ ref Sdl2Application along with
CMake setup is available in ` base ` branch of
@ -75,14 +75,16 @@ or [zip](https://github.com/mosra/magnum-bootstrap/archive/base.zip) file.
After extracting the downloaded archive you can build and run the application
with these four commands :
mkdir build & & cd build
cmake . .
cmake - - build .
. / src / MyApplication # or . / src / Debug / MyApplication
@ code { . sh }
mkdir build & & cd build
cmake . .
cmake - - build .
. / src / MyApplication # or . / src / Debug / MyApplication
@ endcode
See @ ref cmake for more information .
# # Bootstrap application for Emscripten
@ section Platform - Sdl2Application - bootstrap - emscripten Bootstrap application for Emscripten
Fully contained base application using @ ref Sdl2Application for both desktop
and Emscripten build along with full HTML markup and CMake setup is available
@ -104,18 +106,20 @@ Set `CMAKE_PREFIX_PATH` to where you have all the dependencies installed, set
` CMAKE_INSTALL_PREFIX ` to have the files installed in proper location ( a
webserver , e . g . ` / srv / http / emscripten ` ) .
mkdir build - emscripten & & cd build - emscripten
cmake . . \
@ code { . sh }
mkdir build - emscripten & & cd build - emscripten
cmake . . \
- DCMAKE_TOOLCHAIN_FILE = " ../toolchains/generic/Emscripten.cmake " \
- DCMAKE_PREFIX_PATH = / usr / lib / emscripten / system \
- DCMAKE_INSTALL_PREFIX = / srv / http / emscripten
cmake - - build .
cmake - - build . - - target install
cmake - - build .
cmake - - build . - - target install
@ endcode
You can then open ` MyApplication . html ` in your browser ( through webserver , e . g .
` http : //localhost/emscripten/MyApplication.html` ).
http : //localhost/emscripten/MyApplication.html).
# # Bootstrap application for iOS
@ section Platform - Sdl2Application - bootstrap - ios Bootstrap application for iOS
Fully contained base application using @ ref Sdl2Application for both desktop
and iOS build along with pre - filled ` * . plist ` is available in ` base - ios ` branch
@ -132,18 +136,20 @@ Then create build directory and run `cmake` to generate the Xcode project. Set
in ` CMAKE_OSX_ARCHITECTURES ` . Set ` CMAKE_PREFIX_PATH ` to the directory where
you have all the dependencies .
mkdir build - ios & & cd build - ios
cmake . . \
@ code { . sh }
mkdir build - ios & & cd build - ios
cmake . . \
- DCMAKE_TOOLCHAIN_FILE = . . / toolchains / generic / iOS . cmake \
- DCMAKE_OSX_SYSROOT = / Applications / Xcode . app / Contents / Developer / Platforms / iPhoneOS . platform / Developer / SDKs / iPhoneOS . sdk \
- DCMAKE_OSX_ARCHITECTURES = " arm64;armv7;armv7s " \
- DCMAKE_PREFIX_PATH = ~ / ios - libs \
- G Xcode
@ endcode
You can then open the generated project file in Xcode and build / deploy it from
there .
# # Bootstrap application for Windows RT
@ section Platform - Sdl2Application - bootstrap - winrt Bootstrap application for Windows RT
Fully contained base application using @ ref Sdl2Application for both desktop
and Windows Phone / Windows Store build along with all required plumbing is
@ -159,14 +165,23 @@ built statically. Assuming the native Corrade installation is in `C:/Sys` and
all WinRT dependencies are in ` C : / Sys - winrt ` , the build can be done similarly
to the following :
mkdir build - winrt & & cd build - winrt
cmake - DCORRADE_RC_EXECUTABLE = " C:/Sys/bin/corrade-rc.exe " - DCMAKE_PREFIX_PATH = " C:/Sys-winrt " - DCMAKE_SYSTEM_NAME = WindowsStore - DCMAKE_SYSTEM_VERSION = 8.1 - G " Visual Studio 14 2015 " - DSIGNING_CERTIFICATE = < path - to - your - pfx - file > . .
cmake - - build .
@ code { . bat }
mkdir build - winrt & & cd build - winrt
cmake . . ^
- DCORRADE_RC_EXECUTABLE = " C:/Sys/bin/corrade-rc.exe " ^
- DCMAKE_PREFIX_PATH = " C:/Sys-winrt " ^
- DCMAKE_SYSTEM_NAME = WindowsStore ^
- DCMAKE_SYSTEM_VERSION = 8.1 ^
- G " Visual Studio 14 2015 " ^
- DSIGNING_CERTIFICATE = < path - to - your - pfx - file >
cmake - - build .
@ endcode
Change ` WindowsStore ` to ` WindowsPhone ` if you want to build for Windows Phone instead . The ` build - winrt / src / AppPackages ` directory will then contain the
Change ` WindowsStore ` to ` WindowsPhone ` if you want to build for Windows Phone
instead . The ` build - winrt / src / AppPackages ` directory will then contain the
final package along with a PowerShell script for easy local installation .
# # General usage
@ section Platform - Sdl2Application - usage General usage
For CMake you need to copy ` FindSDL2 . cmake ` from ` modules / ` directory in
Magnum source to ` modules / ` dir in your project ( so it is able to find SDL2 ) .
@ -176,11 +191,12 @@ In case of Emscripten you need also `FindOpenGLES2.cmake`. Request
also use generic ` Magnum : : Application ` alias to simplify porting . Again , see
@ ref building and @ ref cmake for more information .
In C + + code you need to implement at least @ ref drawEvent ( ) to be able to draw on the
screen . The subclass can be then used directly in ` main ( ) ` - - see convenience
macro @ ref MAGNUM_SDL2APPLICATION_MAIN ( ) . See @ ref platform for more
information .
@ code
In C + + code you need to implement at least @ ref drawEvent ( ) to be able to draw
on the screen . The subclass can be then used directly in ` main ( ) ` - - - see
convenience macro @ ref MAGNUM_SDL2APPLICATION_MAIN ( ) . See @ ref platform for
more information .
@ code { . cpp }
class MyApplication : public Platform : : Sdl2Application {
// implement required methods...
} ;
@ -188,19 +204,20 @@ MAGNUM_SDL2APPLICATION_MAIN(MyApplication)
@ endcode
If no other application header is included , this class is also aliased to
` Platform : : Application ` and the macro is aliased to ` MAGNUM_APPLICATION_MAIN ( ) `
@ cpp Platform : : Application @ ce and the macro is aliased to @ cpp MAGNUM_APPLICATION_MAIN ( ) @ ce
to simplify porting .
# # Usage with Emscripten
@ section Platform - Sdl2Application - usage - emscripten Usage with Emscripten
If you are targetting Emscripten , you need to provide HTML markup for your
application . Template one is below or in the bootstrap application , you can
modify it to your liking . The markup references two files ,
` EmscriptenApplication . js ` and ` WebApplication . css ` , both are in ` Platform / `
directory in the source tree and are also installed into ` share / magnum / ` inside
your Emscripten toolchain . Change ` & lt ; application & gt ; ` to name of your
your Emscripten toolchain . Change ` { { application } } ` to name of your
executable .
@ code
@ code { . html }
< ! DOCTYPE html >
< html >
< head >
@ -215,25 +232,26 @@ executable.
< div id = " status " > Initialization . . . < / div >
< div id = " statusDescription " > < / div >
< script src = " EmscriptenApplication.js " > < / script >
< script async = " async " src = " <application> .js" > < / script >
< script async = " async " src = " {{application}} .js" > < / script >
< / div >
< / body >
< / html >
@ endcode
You can modify all the files to your liking , but the HTML file must contain at
least the ` & lt ; canvas & gt ; ` enclosed in listener ` & lt ; div & gt ; ` . The JavaScript
file contains event listeners which print loading status on the page . T he
status displayed in the remaining two ` & lt ; div & gt ; ` s , if they are available .
The CSS file contains rudimentary style to avoid eye bleeding .
least the @ cb { . html } < canvas > @ ce enclosed in listener @ cb { . html } < div > @ ce .
The JavaScript file contains event listeners which print loading status on the
page . The status displayed in the remaining two @ cb { . html } < div > @ ce s , if they
are available . The CSS file contains rudimentary style to avoid eye bleeding .
The application redirects all output ( thus also @ ref Corrade : : Utility : : Debug " Debug " ,
@ ref Corrade : : Utility : : Warning " Warning " and @ ref Corrade : : Utility : : Error " Error " )
to JavaScript console . It ' s possible to pass command - line arguments to ` main ( ) `
using GET URL parameters . For example , ` / app / ? foo = bar & fizz & buzz = 3 ` will go to
the app as ` [ ' - - foo ' , ' bar ' , ' - - fizz ' , ' - - buzz ' , ' 3 ' ] ` .
to JavaScript console . It ' s possible to pass command - line arguments to
@ cpp main ( ) @ ce using GET URL parameters . For example ,
` / app / ? foo = bar & fizz & buzz = 3 ` will go to the app as
@ cb { . py } [ ' - - foo ' , ' bar ' , ' - - fizz ' , ' - - buzz ' , ' 3 ' ] @ ce .
# # Usage with iOS
@ section Platform - Sdl2Application - usage - ios Usage with iOS
A lot of options for iOS build ( such as HiDPI / Retina support , supported display
orientation , icons , splash screen . . . ) is specified through the ` * . plist ` file .
@ -243,7 +261,8 @@ rolling your own template and passing **abosolute** path to it to CMake using
the ` MACOSX_BUNDLE_INFO_PLIST ` property . Below are contents of the ` * . plist `
file used in the bootstrap application , requesting OpenGL ES 2.0 and
advertising Retina support :
@ code
@ code { . xml }
< ? xml version = " 1.0 " encoding = " UTF-8 " ? >
< ! DOCTYPE plist PUBLIC " -//Apple Computer//DTD PLIST 1.0//EN " " http://www.apple.com/DTDs/PropertyList-1.0.dtd " >
< plist version = " 1.0 " >
@ -280,13 +299,14 @@ application window, see documentation of particular value for details:
- @ ref Configuration : : WindowFlag : : Resizable makes the application respond to
device orientation changes
# # Usage with Windows RT
@ section Platform - Sdl2Application - usage - winrt Usage with Windows RT
For Windows RT you need to provide logo images and splash screen , all
referenced from the ` * . appxmanifest ` file . The file is slightly different for
different targets , template for Windows Store and MSVC 2013 is below , others
are in the bootstrap application .
@ code
@ code { . xml }
< ? xml version = " 1.0 " encoding = " utf-8 " ? >
< Package xmlns = " http://schemas.microsoft.com/appx/2010/manifest " xmlns : m2 = " http://schemas.microsoft.com/appx/2013/manifest " >
< Identity Name = " MyApplication " Publisher = " CN=A Publisher " Version = " 1.1.0.0 " / >
@ -390,7 +410,7 @@ class Sdl2Application {
/**
* @ brief Execute main loop
* @ return Value for returning from ` main ( ) `
* @ return Value for returning from @ cpp main ( ) @ ce
*
* Calls @ ref mainLoopIteration ( ) in a loop until @ ref exit ( ) is
* called . See @ ref MAGNUM_SDL2APPLICATION_MAIN ( ) for usage
@ -454,8 +474,8 @@ class Sdl2Application {
/**
* @ brief Try to create context with given configuration
*
* Unlike @ ref createContext ( ) returns ` false ` if the context cannot be
* created , ` true ` otherwise .
* Unlike @ ref createContext ( ) returns @ cpp false @ ce if the context
* cannot be c reated , @ cpp true @ ce otherwise .
*/
bool tryCreateContext ( const Configuration & configuration ) ;
@ -484,10 +504,11 @@ class Sdl2Application {
/**
* @ brief Set swap interval
*
* Set ` 0 ` for no VSync , ` 1 ` for enabled VSync . Some platforms support
* ` - 1 ` for late swap tearing . Prints error message and returns ` false `
* if swap interval cannot be set , ` true ` otherwise . Default is
* driver - dependent , you can query the value with @ ref swapInterval ( ) .
* Set @ cpp 0 @ ce for no VSync , @ cpp 1 @ ce for enabled VSync . Some
* platforms support @ cpp - 1 @ ce for late swap tearing . Prints error
* message and returns @ cpp false @ ce if swap interval cannot be set ,
* @ cpp true @ ce otherwise . Default is driver - dependent , you can query
* the value with @ ref swapInterval ( ) .
* @ see @ ref setMinimalLoopPeriod ( )
*/
bool setSwapInterval ( Int interval ) ;
@ -497,8 +518,8 @@ class Sdl2Application {
* @ brief Set minimal loop period
*
* This setting reduces the main loop frequency in case VSync is
* not / cannot be enabled or no drawing is done . Default is ` 0 ` ( i . e .
* looping at maximum frequency ) .
* not / cannot be enabled or no drawing is done . Default is @ cpp 0 @ ce
* ( i . e . looping at maximum frequency ) .
* @ note Not available in @ ref CORRADE_TARGET_EMSCRIPTEN " Emscripten " ,
* the browser is managing the frequency instead .
* @ see @ ref setSwapInterval ( )
@ -844,7 +865,7 @@ class Sdl2Application::Configuration {
* @ brief Set window title
* @ return Reference to self ( for method chaining )
*
* Default is ` " Magnum SDL2 Application " ` .
* Default is @ cpp " Magnum SDL2 Application " @ ce .
* @ note In @ ref CORRADE_TARGET_EMSCRIPTEN " Emscripten " and
* @ ref CORRADE_TARGET_IOS " iOS " this function does nothing and is
* included only for compatibility . You need to set the title
@ -866,10 +887,11 @@ class Sdl2Application::Configuration {
* @ brief Set window size
* @ return Reference to self ( for method chaining )
*
* Default is ` { 800 , 600 } ` . On iOS it defaults to a " reasonable " size
* based on whether HiDPI support is enabled using
* @ ref WindowFlag : : AllowHighDpi , but not necessarily native display
* resolution ( you have to set it explicitly ) .
* Default is @ cpp { 800 , 600 } @ ce and @ cpp { 640 , 480 } @ ce on
* Emscripten . On iOS it defaults to a " reasonable " size based on
* whether HiDPI support is enabled using @ ref WindowFlag : : AllowHighDpi ,
* but not necessarily native display resolution ( you have to set it
* explicitly ) .
*/
Configuration & setSize ( const Vector2i & size ) {
_size = size ;
@ -945,7 +967,7 @@ class Sdl2Application::Configuration {
* @ brief Set sample count
* @ return Reference to self ( for method chaining )
*
* Default is ` 0 ` , thus no multisampling . See also
* Default is @ cpp 0 @ ce , thus no multisampling . See also
* @ ref Renderer : : Feature : : Multisampling .
*/
Configuration & setSampleCount ( Int count ) {
@ -965,7 +987,7 @@ class Sdl2Application::Configuration {
* @ brief Set sRGB - capable default framebuffer
* @ return Reference to self ( for method chaining )
*
* Default is ` false ` . See also @ ref Renderer : : Feature : : FramebufferSRGB .
* Default is @ cpp false @ ce . See also @ ref Renderer : : Feature : : FramebufferSRGB .
* @ note Not available in @ ref CORRADE_TARGET_EMSCRIPTEN " Emscripten " .
*/
Configuration & setSRGBCapable ( bool enabled ) {
@ -1279,8 +1301,8 @@ class Sdl2Application::KeyEvent: public Sdl2Application::InputEvent {
/**
* @ brief Whether the key press is repeated
*
* Returns ` true ` if the key press event is repeated , ` false ` if not or
* if this was key release event .
* Returns @ cpp true @ ce if the key press event is repeated ,
* @ cpp false @ ce if not or if this was key release event .
*/
constexpr bool isRepeated ( ) const { return _repeated ; }
@ -1637,14 +1659,16 @@ usage information. This macro abstracts out platform-specific entry point code
and is equivalent to the following on all supported platforms except
@ ref CORRADE_TARGET_WINDOWS_RT " Windows RT " , see @ ref portability - applications
for more information .
@ code
@ code { . cpp }
int main ( int argc , char * * argv ) {
className app ( { argc , argv } ) ;
return app . exec ( ) ;
}
@ endcode
When no other application header is included this macro is also aliased to
` MAGNUM_APPLICATION_MAIN ( ) ` .
@ cpp MAGNUM_APPLICATION_MAIN ( ) @ ce .
*/
# ifndef CORRADE_TARGET_WINDOWS_RT
# define MAGNUM_SDL2APPLICATION_MAIN(className) \
Vladimír Vondruš
8 years ago