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Object PmgRasterImage (Raster image)

Description:
This object serves for displaying images with raster (PNG, JPG, GIF, TIF, BMP ...) and vector (SVG, WMF) graphic.

The vector SVG graphic is rendered as vector, but after that it is processed the same way as raster graphic. The advantage of vector graphic is thar the original image redimensioning does not reduce the image quality keeping the image "nice". Therefore all images supplied with the PROMOTIC system are in SVG format.

For the designer, creating the pictures to fit his needs it may be easier to make for example PNG or JPG format images.

 
The PmgRasterImage object allows:
- rotation (see the "Flip and rotate" configurator)
- coloring (see the "Light color" configurator)
- transparency of entire image (see the "Enable opacity" configurator)
- picture slit display (see the "Crop image" configurator)
 
The Pmg object doesn't include the data itself from the file, it is only the reference to the file. The designer must ensure so that the corresponding file is always accessible by the application - by correctly entering the filename and setting the path to the file. It is recommended to use the files located on #pmres: or #appres: paths only
This object adopts properties and methods of the PmgObject object.
Properties and methods:
ColorBg Background color
ColorItem Light color
Rotation Image rotation and flip
Src The file name with the path to the file with the picture
Events:
onFocusIn Is triggered if the object receives focus
onFocusOut Is triggered if the object loses focus
onKeyPress Is triggered after pressing or releasing the key of the keyboard
onMenuFill Is triggered after pressing by the right mouse button over the Pmg object
onMenuSelect Is triggered on the selection of an item from the Pmg object local menu
onModeChange Is triggered when the Pmg object mode changes
onMousePress Is triggered after pressing or releasing the left mouse button
onRefresh Is triggered on the data refresh of the Pmg object
onStart Is triggered on the construction of the Pmg object in the course of opening the panel
onStop Is triggered on the destruction of the Pmg object in the course of closing the panel
Configuration tabs:
Object General information about the object
Content Content of the Pmg object in the XML form
Position Setting the position, width and height of the Pmg object
Variables List and configuration of user defined Pmg object variables
Events Algorithms definition for the object events
Methods Definition of designer's method of the Pmg object
Image Image properties.
See also:
- PmgAnimImage (object)

History:
Pm9.00.00: Object name changed: PmiRasterImage -> PmgRasterImage
Pm8.03.01: Fixed bug: The transparency defined of the "Opacity level" configurator was sometimes rendered incorrectly.
Pm8.02.16: Support for WMF format added.
Pm8.02.13: If the "Size" configurator was set to "Over parent", then the PNG format image did not display correctly on the Web.
Pm8.00.05: has new properties ColorItem (light color) and ColorBg (Background color).
PROMOTIC 9.0.12 SCADA system documentation - MICROSYS, spol. s r.o.

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