Function Reference


_GDIPlus_MatrixCreate

Creates and initializes a Matrix object that represents the identity matrix

#include <GDIPlus.au3>
_GDIPlus_MatrixCreate ( )

Return Value

Success: a handle to a Matrix object.
Failure: 0 and sets the @error flag to non-zero, @extended may contain GPSTATUS error code ($GPID_ERR*).

Remarks

When you are done with the matrix, call _GDIPlus_MatrixDispose() to release the resources.

Related

_GDIPlus_MatrixDispose

See Also

Search GdipCreateMatrix in MSDN Library.

Example

#include <GDIPlus.au3>
#include <ScreenCapture.au3>
#include <WinAPI.au3>

Example()

Func Example()
    Local $hBitmap1, $hBitmap2, $hImage1, $hImage2, $hGraphic, $iWidth, $iHeight

    ; Initialize GDI+ library
    _GDIPlus_Startup()

    ; Capture full screen
    $hBitmap1 = _ScreenCapture_Capture("")
    $hImage1 = _GDIPlus_BitmapCreateFromHBITMAP($hBitmap1)

    ; Capture screen region
    $hBitmap2 = _ScreenCapture_Capture("", 0, 0, 400, 300)
    $hImage2 = _GDIPlus_BitmapCreateFromHBITMAP($hBitmap2)

    $iWidth = _GDIPlus_ImageGetWidth($hImage2)
    $iHeight = _GDIPlus_ImageGetHeight($hImage2)

    ; Draw one image in another
    $hGraphic = _GDIPlus_ImageGetGraphicsContext($hImage1)

    ;DrawInsert($hGraphic, $hImage2, $iX, $iY, $fAngle,    $iWidth,    $iHeight, $iARGB = 0xFF000000, $iPenWidth = 1)
    DrawInsert($hGraphic, $hImage2, 350, 100, 0, $iWidth + 2, $iHeight + 2, 0xFFFF8000, 2)
    DrawInsert($hGraphic, $hImage2, 340, 50, 15, 200, 150, 0xFFFF8000, 4)
    DrawInsert($hGraphic, $hImage2, 310, 30, 35, $iWidth + 4, $iHeight + 4, 0xFFFF00FF, 4)
    DrawInsert($hGraphic, $hImage2, 320, 790, -35, $iWidth, $iHeight)

    ; Save resultant image
    _GDIPlus_ImageSaveToFile($hImage1, @MyDocumentsDir & "\GDIPlus_Image.jpg")

    ; Clean up resources
    _GDIPlus_ImageDispose($hImage1)
    _GDIPlus_ImageDispose($hImage2)
    _WinAPI_DeleteObject($hBitmap1)
    _WinAPI_DeleteObject($hBitmap2)

    ; Shut down GDI+ library
    _GDIPlus_Shutdown()

    ShellExecute(@MyDocumentsDir & "\GDIPlus_Image.jpg")
EndFunc   ;==>Example

; #FUNCTION# ==================================================================================================
; Name...........: DrawInsert
; Description ...: Draw one image in another
; Syntax.........: DrawInsert($hGraphic, $hImage2, $iX, $iY, $fAngle, $iWidth, $iHeight, $iARGB = 0xFF000000, $iPenWidth = 1)
; inserts Graphics $hImage2 into $hGraphic
; Parameters ....: $hGraphics   - Handle to a Graphics object
;                  $hImage      - Handle to an Image object to be inserted
;                  $iX          - The X coordinate of the upper left corner of the inserted image
;                  $iY          - The Y coordinate of the upper left corner of the inserted image
;                  $iWidth      - The width of the rectangle Border around insert
;                  $iHeight     - The height of the rectangle Border around insert
;                  $iARGB       - Alpha, Red, Green and Blue components of pen color - Border color
;                  $iPenWidth      - The width of the pen measured in the units specified in the $iUnit parameter - Border Width

; Return values .: Success      - True
;                  Failure      - False
; ==================================================================================================
Func DrawInsert($hGraphic, $hImage2, $iX, $iY, $fAngle, $iWidth, $iHeight, $iARGB = 0xFF000000, $iPenWidth = 1)
    Local $hMatrix, $hPen2

    ;Rotation Matrix
    $hMatrix = _GDIPlus_MatrixCreate()
    _GDIPlus_MatrixRotate($hMatrix, $fAngle, "False")
    _GDIPlus_GraphicsSetTransform($hGraphic, $hMatrix)

    _GDIPlus_GraphicsDrawImage($hGraphic, $hImage2, $iX, $iY)

    ;get pen + color
    $hPen2 = _GDIPlus_PenCreate($iARGB, $iPenWidth)

    ; Draw a frame around the inserted image
    _GDIPlus_GraphicsDrawRect($hGraphic, $iX, $iY, $iWidth, $iHeight, $hPen2)

    ; Clean up resources
    _GDIPlus_MatrixDispose($hMatrix)
    _GDIPlus_PenDispose($hPen2)
    Return 1
EndFunc   ;==>DrawInsert