What is OpenGL? 什么是 OpenGL? 在最基本的层面上,OpenGL 是一个允许程序员与图形硬件通信的软件接口(software interface)。当然,OpenGL 的内涵远不止于此,你会很高兴知道本书将为你讲解 OpenGL 的更多细节。不过,在我们动手开始编码之前,你需要了解一下计算机图形学(Computer Graphics)和 OpenGL 的历史。 在这篇...
SGI 公司大胆地对 IRIS GL 进行了清理,删除了所有与计算机图形无关的功能,并于 1992 年将其作为 OpenGL(开放图形库,Open Graphics Library)向公众发布,OpenGL 是用于实时计算机图形的跨平台标准化 API(应用程序接口)。 软件供应商必须在他们自己的平台上提供 OpenGL 标准的实现(implementation),而硬件供应商则必须提...
On the most fundamental level, OpenGL is a software interface that allows a programmer to communicate with graphics hardware. Of course, there is much more to it than that, and you will be glad to know that this book explains the finer details of OpenGL. But before we get our hands dirty...
SGI 公司大胆地对 IRIS GL 进行了清理,删除了所有与计算机图形无关的功能,并于 1992 年将其作为 OpenGL(开放图形库,Open Graphics Library)向公众发布,OpenGL 是用于实时计算机图形的跨平台标准化 API(应用程序接口)。 软件供应商必须在他们自己的平台上提供 OpenGL 标准的实现(implementation),而硬件供应商则必须提...
What is the level of the context obtained by calling the createModuleContext API in the HAP? How do I obtain the bundle name of the current HAP? How do I implement modular code management and route redirection between modules without using a UIAbility? When classes are exported from the...
Does the application-level context conflict with the HSP-level context? What should I do when an error is thrown while getContext(this).resourceManager.getStringValue($r('app.string.test_string').id) is used to obtain the resources of an HSP module? What are the differences between the ...
In iOS, all drawing occurs in a graphics context. Conceptually, a graphics context is an object that describes where and how drawing should occur, including basic drawing attributes such as the colors to use when drawing, the clipping area, line width and style information, font information, co...
New Features in Qt 5.2 Qt Core Module Added class QCommandLineParser for command-line arguments parsing Added new overload to QObject::connect() to add a context object when connecting to a lambda Added new QStringRef methods; left, right, mid Added QLoggingCategory/qCDebug, qCWarning, and...
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options.inScaled = false; Bitmap bitmap = BitmapFactory.decodeResource(context.getResources(), R.drawable.myimage, options); MyJniMethod(bitmap); // Should be static in this example That native method can look something like this: #include <android/bitmap.h> void MyJniMethod(JNIEnv *env...