doc: updated also Getting Started image to the new color.

doc/generated/CMakeLists.txt

@@ -31,7 +31,8 @@ set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/../../modules/")
 find_package(Magnum REQUIRED
     MeshTools
     Primitives
-    Shaders)
+    Shaders
+    Sdl2Application)
 
 if(CORRADE_TARGET_APPLE)
     find_package(Magnum REQUIRED WindowlessCglApplication)
@@ -49,8 +50,14 @@ include_directories(${CMAKE_CURRENT_BINARY_DIR})
 
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CORRADE_CXX_FLAGS}")
 include_directories(${MAGNUM_INCLUDE_DIRS}
+    ${MAGNUM_APPLICATION_INCLUDE_DIRS}
     ${MAGNUM_WINDOWLESSAPPLICATION_INCLUDE_DIRS})
 
+add_executable(hello hello.cpp)
+target_link_libraries(hello
+    ${MAGNUM_LIBRARIES}
+    ${MAGNUM_APPLICATION_LIBRARIES})
+
 add_executable(shaders shaders.cpp)
 target_link_libraries(shaders
     ${MAGNUM_LIBRARIES}

doc/generated/README.md

@@ -1,9 +1,9 @@
 Source files for images in Magnum documentation
 -----------------------------------------------
 
-Compile and install Magnum with windowless application for your platform and
-`magnum-distancefieldconverter` utility and any `PngImporter` and
-`PngImageConverter` plugins from Magnum Plugins.
+Compile and install Magnum with `Sdl2Application`, windowless application for
+your platform and `magnum-distancefieldconverter` utility and any `PngImporter`
+and `PngImageConverter` plugins from Magnum Plugins.
 
 Create build dir, point CMake to this directory and compile the executables:
 
@@ -12,6 +12,21 @@ Create build dir, point CMake to this directory and compile the executables:
     cmake ../doc/generated
     cmake --build .
 
+### "Getting started" image
+
+Displayed by the `hello` executable. Run the app and take screenshot using
+KSnapshot (including decorations, 880x707). Similarly for the gray version. The
+resulting files should be resized to half the size and without alpha channel
+using imagemagick:
+
+```bash
+mogrify -flatten -background '#ffffff' -resize 440 getting-started.png
+mogrify -flatten -background '#ffffff' -resize 440 getting-started-blue.png
+```
+
+The output printed by the application can be used to update the example output
+in `doc/getting-started.dox`.
+
 ### Shader images
 
 Generated by the `shaders` executable. Must be run in this directory, the

doc/generated/hello.cpp

@@ -0,0 +1,54 @@
+/*
+    This file is part of Magnum.
+
+    Copyright © 2010, 2011, 2012, 2013, 2014
+              Vladimír Vondruš <mosra@centrum.cz>
+
+    Permission is hereby granted, free of charge, to any person obtaining a
+    copy of this software and associated documentation files (the "Software"),
+    to deal in the Software without restriction, including without limitation
+    the rights to use, copy, modify, merge, publish, distribute, sublicense,
+    and/or sell copies of the Software, and to permit persons to whom the
+    Software is furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included
+    in all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+    THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+    FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+    DEALINGS IN THE SOFTWARE.
+*/
+
+#include <Magnum/Color.h>
+#include <Magnum/DefaultFramebuffer.h>
+#include <Magnum/Context.h>
+#include <Magnum/Renderer.h>
+#include <Magnum/Version.h>
+#include <Magnum/Platform/Sdl2Application.h>
+
+using namespace Magnum;
+
+class Hello: public Platform::Application {
+public:
+    explicit Hello(const Arguments& arguments);
+
+private:
+    void drawEvent() override;
+};
+
+Hello::Hello(const Arguments& arguments): Platform::Application(arguments) {
+    Renderer::setClearColor(Color3::fromHSV(216.0_degf, 0.85f, 1.0f));
+    Debug() << "Hello! This application is running on" << Context::current()->version()
+            << "using" << Context::current()->rendererString();
+}
+
+void Hello::drawEvent() {
+    defaultFramebuffer.clear(FramebufferClear::Color);
+    swapBuffers();
+}
+
+MAGNUM_APPLICATION_MAIN(Hello)

doc/getting-started.dox

@@ -196,7 +196,7 @@ First include the needed headers:
 And in the constructor (which is currently empty) change the clear color and
 print something to debug output:
 @code
-Renderer::setClearColor({0.07f, 0.44f, 0.73f});
+Renderer::setClearColor(Color3::fromHSV(216.0_degf, 0.85f, 1.0f));
 
 Debug() << "Hello! This application is running on" << Context::current()->version()
         << "using" << Context::current()->rendererString();
@@ -205,7 +205,7 @@ Debug() << "Hello! This application is running on" << Context::current()->versio
 After rebuilding and starting the application, the clear color changes to
 blueish one and something like this would be printed to the console:
 
-> Hello! This application is running on OpenGL 3.3 using Geforce GT 330M
+> Hello! This application is running on OpenGL 4.5 using GeForce GT 740M
 
 @image html getting-started-blue.png
 @image latex getting-started-blue.png