GraphicsShell: -drawing and zooming

Download

Click on the following link to download -the example: GraphicsShell.zip

Download some additional files -required by the example: CommonGraphicsExampleFiles

Click: browse to view the example code.

View the additional -files: browse.

Description

GraphicsShell provides -an application shell, and two concrete controls.

CGraphicExampleControl is -a control class, derived from CCoeControl, which links the -app shell to the particular controls.

CDrawControl illustrates -the drawing of shapes in a window. The code draws points, lines and shapes; -this exercises a variety of drawing functions provided by the window graphics -context such as MoveTo(), DrawLineTo(), DrawArc() etc.

CZoomControl illustrates -the use of zooming.

Class Summary

TPoint

TRectTSize

CWindowGc

TRgb

CFont

TFontSpec

CWindowGc

TZoomFactor

MGraphicsDeviceMap

CFbsBitmap

Build

The source code for this example -application can be found in the directory:

examples\Graphics\GraphicsShell

This -source code may be in the directory in which you installed the Symbian platform, -or it may be in the src\common\developerlibrary\ directory. -The directory includes the two project files needed for building the example: bld.inf and -the .mmp file.

The -Symbian build process describes how to build this application. For -the emulator, an application called GraphicsShell.exe is -created in epoc32\release\winscw\<udeb or urel>\.

+GraphicsShell: drawing and zoomingA TechView application that demonstrates drawing points, +lines and shapes, and zooming a bitmap and text. +

Download

Click on the following link to download the example: GraphicsShell.zip

Download some additional +files required by the example: CommonGraphicsExampleFiles

Click: browse to view the example code.

View the +additional files: browse.

Description

GraphicsShell provides an application shell, +and two concrete controls.

CGraphicExampleControl is a control class, derived from CCoeControl, which +links the app shell to the particular controls.

CDrawControl illustrates the drawing of shapes in a window. The code draws points, +lines and shapes; this exercises a variety of drawing functions provided +by the window graphics context such as MoveTo(), DrawLineTo(), DrawArc() etc.

CZoomControl illustrates the use of zooming.

Class +Summary

TPoint

TRectTSize

CWindowGc

TRgb

CFont

TFontSpec

CWindowGc

TZoomFactor

MGraphicsDeviceMap

CFbsBitmap

Build

The source code for this example application can be found in +the directory:

examples\Graphics\GraphicsShell

This source code may be in the directory in which you installed +the Symbian platform, or it may be in the src\common\developerlibrary\ directory. The directory includes the two project files needed for +building the example: bld.inf and the .mmp file.

The Symbian build process describes +how to build this application. For the emulator, an application called GraphicsShell.exe is created in epoc32\release\winscw\<udeb +or urel>\.

Usage

Launch the emulator:

\epoc32\release\winscw\<udeb -or urel>\EPOC.EXE.
Click on GRAPHICSSHELL to -run the application. If using the TechView emulator, this will be in -the Extras menu.
The controls are listed -on the menu List of Programs. -Press the appropriate menu item to select a specific control.
Step through each phase -of the example by pressing the space bar or by tapping on the window drawn -by that example.
Launch the emulator:

\epoc32\release\winscw\<udeb or urel>\EPOC.EXE.
Click on GRAPHICSSHELL to run the application. If using the TechView emulator, this will be in the Extras menu.
The controls +are listed on the menu List of Programs. Press the appropriate menu item to select a specific control.
Step through +each phase of the example by pressing the space bar or by tapping +on the window drawn by that example.

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