New TFont instances are initialized with the values in this structure.
-About font default values: The default font is chosen by the interfaces depending on the context.
-For example, there can be a different default font for a button and a groupbox.
+ New TFont instances are initialized with the values in this structure.Descendant of TSharedImage for TBitmap.
+ Descendant of TSharedImage for TBitmap.- TBitmap is the data of an image. The image can be loaded from a file, stream or resource in .bmp (windows bitmap format) or .xpm (XPixMap format)
-The loading routine automatically recognizes the format, so it is also used to load the images from Delphi form streams (e.g. .dfm files) or FreePascal/Lazarus form streams (.lfm)
-When the handle is created, it is up to the interface (gtk, win32, ...) to convert it automatically to the best internal format. That is why the Handle is interface dependent.
-To access the raw data, see TLazIntfImage -
+ + TBitmap is the data of an image. The image can be loaded from a file, stream or resource in .bmp (windows bitmap format) or .xpm (XPixMap format)The Canvas is where all the drawing and painting is performed.
-The properties are described in TCanvas -
+ The Canvas is where all the drawing and painting is performed.Icons can be loaded from .ICO files, or from Lazarus resources.
-An icon resource typically contains several versions of the same image, in multiple resolutions and color depths.
-When loading, the largest/most colourful image is loaded as the Bitmap property, and so can be handled as any other bitmap.
+ Icons can be loaded from .ICO files, or from Lazarus resources.- Jpeg - returns a JPEG image
-If the contents is not already a JPEG image, the contents are thrown away and a blank JPEG is returned
+ + Jpeg - returns a JPEG image+ PNM - a - PortableAnyMapGraphic image
-Reads a PNM image. If it is not a valid PNM image, the contents are thrown away and a blank PNM is generated
+ PortableAnyMapGraphic image- JPEG images are very commonly used for storing digital photographs. They can represent detailed colour photos using a high degree of compression, resulting in very efficient storage, though with some loss of quality.
-The properties CompressionQuality (an integer between 1 and 100, with 100 representing the best quality) and Performance (an enumerated variable with two states: BestQuality or BestSpeed ie compression) can be used to determine the balance between efficiency of storage and quality of picture.
+ + JPEG images are very commonly used for storing digital photographs. They can represent detailed colour photos using a high degree of compression, resulting in very efficient storage, though with some loss of quality.Extreme compression can lead to loss of quality at the expense of a small file size
-Allowed range is 1..100
-100 = best quality, 25 = pretty awful
+ Extreme compression can lead to loss of quality at the expense of a small file size
+
TProgressEvent is a generic progress notification event which may be used by
-
-
-
-
-
-
- TGraphic classes with computationally intensive (slow) operations, such as loading, storing, or transforming image data.
+
Assign: find out about the
- Source of the call. If the BitMap data are already in use, the data are shared; if not, a new BitMap is produced
- The Canvas is where all the drawing and painting is performed. The properties are described in TCanvas
-
+
IdentEntry - checks that a given Entry exists in a Map of colour names
- A list of system Colors is specified as a look-up table of indices (Entry) and names (MapEntry) This function checks that the value in
+ If Entry is out of range the Result is False
-
+
+
Stage
Indicates whether this call to the OnProgress event is to prepare for, process, or clean up after a graphic operation. If OnProgress is called at all, the first call for a graphic operation will be with Stage = psStarting, to allow the OnProgress event handler to allocate whatever resources it needs to process subsequent progress notifications. After Stage = psStarting, you are guaranteed that OnProgress will be called again with
@@ -11080,13 +11072,13 @@ Checks for the presence of a valid Lazarus Resource, then uses
Source of the call.
+ If the BitMap data are already in use, the data are shared; if not, a new BitMap is produced
+
+ The properties are described in TCanvas
+
+ A list of system Colors is specified as a look-up table of indices (Entry) and names (MapEntry)
+ This function checks that the value in
Entry is within the permitted range, and returns the data pair
@@ -11739,8 +11731,8 @@ Checks for the presence of a valid Lazarus Resource, then uses
Name of the corresponding colour in
MapEntry.
-
+ If Entry is out of range the Result is False