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GM16ImageMBS.getConstPixels(x as Integer, y as Integer, columns as Integer, rows as Integer) as Ptr
Function:
Transfers read-only pixels from the image to the pixel cache as defined by the specified region
Type | Topic | Plugin | Version | macOS | Windows | Linux | Console & Web | iOS |
method | GraphicsMagick | MBS GraphicsMagick Plugin | 16.4 | Yes | Yes | Yes | Yes | No |
GM16ImageMBS.GetEXIFOrientation(byref orientation as integer) as boolean
Function:
Queries orientation from EXIF.
Notes:
Orientation is set to number from 0 to 8 depending on rotation. -1 if unknown.
This function can only read orientation, if there is an EXIF block in image.
Returns true for success and false for failure.
Type | Topic | Plugin | Version | macOS | Windows | Linux | Console & Web | iOS |
method | GraphicsMagick | MBS GraphicsMagick Plugin | 18.4 | Yes | Yes | Yes | Yes | No |
Notes:
Orientation is set to number from 0 to 8 depending on rotation. -1 if unknown.
This function can only read orientation, if there is an EXIF block in image.
Returns true for success and false for failure.
GM16ImageMBS.getPixels(x as Integer, y as Integer, columns as Integer, rows as Integer) as Ptr
Function:
Transfers pixels from the image to the pixel cache as defined by the specified region.
Example:
Notes:
Modified pixels may be subsequently transferred back to the image via syncPixels. This method is valid for DirectClass images.
Type | Topic | Plugin | Version | macOS | Windows | Linux | Console & Web | iOS |
method | GraphicsMagick | MBS GraphicsMagick Plugin | 16.4 | Yes | Yes | Yes | Yes | No |
Example:
dim f as FolderItem = SpecialFolder.Desktop.Child("test.jpg")
dim g as new GM16ImageMBS(f)
// get pointer to some pixels to write
dim x as ptr = g.getPixels(0, 0, 100, 100)
// draw a red line to the pixel buffer
dim o as Integer
for i as Integer = 0 to 99
o = 100 * i + i
x.UInt32(o * 4) = &hFFFF0000
next
// write back
g.syncPixels
// show
me.Backdrop = g.CopyPicture
GM16ImageMBS.Graphics as GM16GraphicsMBS
Function:
Creates a graphics object for this image.
Example:
Notes:
Using the graphics object you can draw on the image.
Type | Topic | Plugin | Version | macOS | Windows | Linux | Console & Web | iOS |
method | GraphicsMagick | MBS GraphicsMagick Plugin | 14.1 | Yes | Yes | Yes | Yes | No |
Example:
dim g as new GM16GeometryMBS(500,500)
dim c as new GM16ColorRGBMBS("white") // white
dim image as new GM16ImageMBS(g, c)
image.strokeColor = new GM16ColorRGBMBS("red") // Outline color
image.fillColor = new GM16ColorRGBMBS("green") // Fill color
image.strokeWidth = 5
dim draw as GM16GraphicsMBS = image.Graphics
// Draw a circle
draw.Circle(250, 250, 120, 150)
Backdrop=image.CopyPicture
GM16ImageMBS.haldClut(image as GM16ImageMBS)
Function:
Apply a color lookup table (Hald CLUT) to the image.
Type | Topic | Plugin | Version | macOS | Windows | Linux | Console & Web | iOS |
method | GraphicsMagick | MBS GraphicsMagick Plugin | 16.4 | Yes | Yes | Yes | Yes | No |
GM16ImageMBS.implode(factor as Double=0.0)
Function:
Implode image (special effect).
Example:
Type | Topic | Plugin | Version | macOS | Windows | Linux | Console & Web | iOS |
method | GraphicsMagick | MBS GraphicsMagick Plugin | 14.1 | Yes | Yes | Yes | Yes | No |
Example:
dim p as Picture = LogoMBS(500)
dim image as new GM16ImageMBS(p)
image.implode(0.3)
Backdrop=image.CopyPicture
GM16ImageMBS.label(text as string)
Function:
Assign a label to an image.
Notes: Use this option to assign a specific label to the image. Optionally you can include the image filename, type, width, height, or scene number in the label by embedding special format characters. If the first character of string is @, the image label is read from a file titled by the remaining characters in the string. When converting to Postscript, use this option to specify a header string to print above the image.
Type | Topic | Plugin | Version | macOS | Windows | Linux | Console & Web | iOS |
method | GraphicsMagick | MBS GraphicsMagick Plugin | 14.1 | Yes | Yes | Yes | Yes | No |
Notes: Use this option to assign a specific label to the image. Optionally you can include the image filename, type, width, height, or scene number in the label by embedding special format characters. If the first character of string is @, the image label is read from a file titled by the remaining characters in the string. When converting to Postscript, use this option to specify a header string to print above the image.
See also:
GM16ImageMBS.level(black_point as Double, white_point as Double, mid_point as Double=1.0)
Function:
Level image to increase image contrast, and/or adjust image gamma.
Example:
Notes:
Adjust the levels of the image by scaling the colors falling between specified white and black points to the full available quantum range. The parameters provided represent the black, mid (gamma), and white points. The black point specifies the darkest color in the image. Colors darker than the black point are set to zero. Mid point (gamma) specifies a gamma correction to apply to the image. White point specifies the lightest color in the image. Colors brighter than the white point are set to the maximum quantum value. The black and white point have the valid range 0 to MaxRGB while mid (gamma) has a useful range of 0 to ten:
Type | Topic | Plugin | Version | macOS | Windows | Linux | Console & Web | iOS |
method | GraphicsMagick | MBS GraphicsMagick Plugin | 14.1 | Yes | Yes | Yes | Yes | No |
Example:
dim p as Picture = LogoMBS(500)
dim image as new GM16ImageMBS(p)
image.level(0, 127.0)
Backdrop=image.CopyPicture
GM16ImageMBS.levelChannel(channel as Integer, black_point as Double, white_point as Double, mid_point as Double=1.0)
Function:
Level image channel to increase image contrast, and/or adjust image gamma.
Example:
Notes:
Adjust the levels of the image channel by scaling the colors falling between specified white and black points to the full available quantum range. The parameters provided represent the black, mid (gamma), and white points. The black point specifies the darkest color in the image. Colors darker than the black point are set to zero. Mid point (gamma) specifies a gamma correction to apply to the image. White point specifies the lightest color in the image. Colors brighter than the white point are set to the maximum quantum value. The black and white point have the valid range 0 to MaxRGB while mid (gamma) has a useful range of 0 to ten.
Type | Topic | Plugin | Version | macOS | Windows | Linux | Console & Web | iOS |
method | GraphicsMagick | MBS GraphicsMagick Plugin | 14.1 | Yes | Yes | Yes | Yes | No |
Example:
dim p as Picture = LogoMBS(500)
dim image as new GM16ImageMBS(p)
image.levelChannel(image.BlueChannel, 0, 127.0)
Backdrop=image.CopyPicture
GM16ImageMBS.magnify
Function:
Magnify image by integral size (double the dimensions)
Example:
Type | Topic | Plugin | Version | macOS | Windows | Linux | Console & Web | iOS |
method | GraphicsMagick | MBS GraphicsMagick Plugin | 14.1 | Yes | Yes | Yes | Yes | No |
Example:
dim p as Picture = LogoMBS(500)
dim image as new GM16ImageMBS(p)
image.magnify
Backdrop=image.CopyPicture
GM16ImageMBS.map(mapImage as GM16ImageMBS, dither as boolean=false)
Function:
Remap image colors with closest color from a reference image.
Example:
Notes:
Set dither to true in to apply Floyd/Steinberg error diffusion to the image. By default, color reduction chooses an optimal set of colors that best represent the original image. Alternatively, you can choose a particular set of colors from an image file with this option.
Type | Topic | Plugin | Version | macOS | Windows | Linux | Console & Web | iOS |
method | GraphicsMagick | MBS GraphicsMagick Plugin | 14.1 | Yes | Yes | Yes | Yes | No |
Example:
// some picture we want to map colors
dim pic as Picture = LogoMBS(500)
// build a picture with palette
dim backgroundColor as new GM16ColorMBS(255,255,255) // white
dim size as new GM16GeometryMBS(10,10)
dim i as new GM16ImageMBS(pic)
dim x as new GM16ImageMBS(size, backgroundColor)
x.pixelColor(0,0) = new GM16ColorMBS(0 ,0 ,0 ) // black
x.pixelColor(0,1) = new GM16ColorMBS(255,0 ,0 ) // red
x.pixelColor(0,2) = new GM16ColorMBS(0 ,255,0 ) // green
x.pixelColor(0,3) = new GM16ColorMBS(0 ,0 ,255) // blue
x.pixelColor(0,4) = new GM16ColorMBS(255,255,0 ) // yellow
x.pixelColor(0,5) = new GM16ColorMBS(0 ,255,255) // cyan
x.pixelColor(0,6) = new GM16ColorMBS(255,0 ,255) // magenta
// do the map
i.map(x, false)
// convert result from palette picture to bitmap picture
i.type = i.TrueColorType
// and copy picture to backdrop
Backdrop = i.CopyPicture
GM16ImageMBS.matteFloodfill(target as GM16ColorMBS, opacity as UInt32, x as Integer, y as Integer, PaintMethod as Integer)
Function:
Floodfill designated area with a replacement opacity value.
Type | Topic | Plugin | Version | macOS | Windows | Linux | Console & Web | iOS |
method | GraphicsMagick | MBS GraphicsMagick Plugin | 14.1 | Yes | Yes | Yes | Yes | No |
GM16ImageMBS.medianFilter(radius as Double=0.0)
Function:
Filter image by replacing each pixel component with the median color in a circular neighborhood.
Example:
Type | Topic | Plugin | Version | macOS | Windows | Linux | Console & Web | iOS |
method | GraphicsMagick | MBS GraphicsMagick Plugin | 14.1 | Yes | Yes | Yes | Yes | No |
Example:
dim p as Picture = LogoMBS(500)
dim image as new GM16ImageMBS(p)
image.medianFilter(10)
Backdrop=image.CopyPicture
GM16ImageMBS.minify
Function:
Reduce image by integral (half) size.
Example:
Type | Topic | Plugin | Version | macOS | Windows | Linux | Console & Web | iOS |
method | GraphicsMagick | MBS GraphicsMagick Plugin | 14.1 | Yes | Yes | Yes | Yes | No |
Example:
dim p as Picture = LogoMBS(500)
dim image as new GM16ImageMBS(p)
image.minify
Backdrop=image.CopyPicture
GM16ImageMBS.modequalizeifyImage
Function:
Not documented.
Type | Topic | Plugin | Version | macOS | Windows | Linux | Console & Web | iOS |
method | GraphicsMagick | MBS GraphicsMagick Plugin | 14.1 | Yes | Yes | Yes | Yes | No |
GM16ImageMBS.modifyImage
Function:
Prepare to update image (copy if reference > 1).
Notes: Normally Magick++'s implicit reference counting takes care of all instance management. In the rare case that the automatic instance management does not work, use this method to assure that there is only one reference to the image to be modified. It should be used in the cases where a GraphicsMagick C function is used directly on an image which may have multiple references:
Type | Topic | Plugin | Version | macOS | Windows | Linux | Console & Web | iOS |
method | GraphicsMagick | MBS GraphicsMagick Plugin | 14.1 | Yes | Yes | Yes | Yes | No |
Notes: Normally Magick++'s implicit reference counting takes care of all instance management. In the rare case that the automatic instance management does not work, use this method to assure that there is only one reference to the image to be modified. It should be used in the cases where a GraphicsMagick C function is used directly on an image which may have multiple references:
GM16ImageMBS.modulate(brightness as Double, saturation as Double, hue as Double)
Function:
Modulate percent hue, saturation, and brightness of an image.
Example:
Notes:
Modulation of saturation and brightness is as a ratio of the current value (100 for no change). Modulation of hue is an absolute rotation of -180 degrees to +180 degrees from the current position corresponding to an argument range of 0 to 200 (100 for no change).
Type | Topic | Plugin | Version | macOS | Windows | Linux | Console & Web | iOS |
method | GraphicsMagick | MBS GraphicsMagick Plugin | 14.1 | Yes | Yes | Yes | Yes | No |
Example:
dim logo as Picture = LogoMBS(500)
dim image as new GM16ImageMBS(logo)
image.type = image.TrueColorType
// brightness 150%
image.modulate(150,100,100)
backdrop = image.CopyPicture
GM16ImageMBS.montageGeometry as GM16GeometryMBS
Function:
Tile size and offset within an image montage.
Notes: Only valid for montage images.
Type | Topic | Plugin | Version | macOS | Windows | Linux | Console & Web | iOS |
method | GraphicsMagick | MBS GraphicsMagick Plugin | 14.1 | Yes | Yes | Yes | Yes | No |
Notes: Only valid for montage images.
GM16ImageMBS.motionBlur(radius as Double, sigma as Double, angle as Double)
Function:
Motion blur image with specified blur factor.
Example:
Notes:
The radius parameter specifies the radius of the Gaussian, in pixels, not counting the center pixel. The sigma parameter specifies the standard deviation of the Laplacian, in pixels. The angle parameter specifies the angle the object appears to be comming from (zero degrees is from the right).
Type | Topic | Plugin | Version | macOS | Windows | Linux | Console & Web | iOS |
method | GraphicsMagick | MBS GraphicsMagick Plugin | 14.1 | Yes | Yes | Yes | Yes | No |
Example:
dim p as Picture = LogoMBS(500)
dim image as new GM16ImageMBS(p)
image.motionBlur(30,10,90)
Backdrop=image.CopyPicture
GM16ImageMBS.negate(grayscale as boolean=false)
Function:
Negate colors in image.
Example:
Notes:
Set grayscale to only negate grayscale values in image.
Type | Topic | Plugin | Version | macOS | Windows | Linux | Console & Web | iOS |
method | GraphicsMagick | MBS GraphicsMagick Plugin | 14.1 | Yes | Yes | Yes | Yes | No |
Example:
dim p as Picture = LogoMBS(500)
dim image as new GM16ImageMBS(p)
image.negate
Backdrop=image.CopyPicture
GM16ImageMBS.normalize
Function:
Normalize image (increase contrast by normalizing the pixel values to span the full range of color values).
Example:
Type | Topic | Plugin | Version | macOS | Windows | Linux | Console & Web | iOS |
method | GraphicsMagick | MBS GraphicsMagick Plugin | 14.1 | Yes | Yes | Yes | Yes | No |
Example:
dim p as Picture = LogoMBS(500)
dim image as new GM16ImageMBS(p)
image.normalize
Backdrop=image.CopyPicture
GM16ImageMBS.oilPaint(radius as Double=3.0)
Function:
Oilpaint image (image looks like an oil painting).
Example:
Type | Topic | Plugin | Version | macOS | Windows | Linux | Console & Web | iOS |
method | GraphicsMagick | MBS GraphicsMagick Plugin | 14.1 | Yes | Yes | Yes | Yes | No |
Example:
dim p as Picture = LogoMBS(500)
dim image as new GM16ImageMBS(p)
image.oilPaint
Backdrop=image.CopyPicture
GM16ImageMBS.opacity(opacity as UInt32)
Function:
Set or attenuate the opacity channel in the image.
Notes: If the image pixels are opaque then they are set to the specified opacity value, otherwise they are blended with the supplied opacity value. The value of opacity ranges from 0 (completely opaque) to MaxRGB. The defines OpaqueOpacity and TransparentOpacity are available to specify completely opaque or completely transparent, respectively.
Type | Topic | Plugin | Version | macOS | Windows | Linux | Console & Web | iOS |
method | GraphicsMagick | MBS GraphicsMagick Plugin | 14.1 | Yes | Yes | Yes | Yes | No |
Notes: If the image pixels are opaque then they are set to the specified opacity value, otherwise they are blended with the supplied opacity value. The value of opacity ranges from 0 (completely opaque) to MaxRGB. The defines OpaqueOpacity and TransparentOpacity are available to specify completely opaque or completely transparent, respectively.
GM16ImageMBS.opaque(opaqueColor as GM16ColorMBS, penColor as GM16ColorMBS)
Function:
Change color of specified opaque pixel to specified pen color.
Type | Topic | Plugin | Version | macOS | Windows | Linux | Console & Web | iOS |
method | GraphicsMagick | MBS GraphicsMagick Plugin | 14.1 | Yes | Yes | Yes | Yes | No |
GM16ImageMBS.ping(data as GM16BlobMBS)
Function:
Reads information for an image from the blob.
Notes: Ping is similar to read except only enough of the image is read to determine the image columns, rows, and filesize. Access the columns, rows, and fileSize attributes after invoking ping. The image pixels are not valid after calling ping.
Type | Topic | Plugin | Version | macOS | Windows | Linux | Console & Web | iOS |
method | GraphicsMagick | MBS GraphicsMagick Plugin | 14.1 | Yes | Yes | Yes | Yes | No |
Notes: Ping is similar to read except only enough of the image is read to determine the image columns, rows, and filesize. Access the columns, rows, and fileSize attributes after invoking ping. The image pixels are not valid after calling ping.
See also:
GM16ImageMBS.ping(file as folderitem)
Function:
Reads information for an image from the file.
Example:
Notes:
Ping is similar to read except only enough of the image is read to determine the image columns, rows, and filesize. Access the columns, rows, and fileSize attributes after invoking ping. The image pixels are not valid after calling ping.
Type | Topic | Plugin | Version | macOS | Windows | Linux | Console & Web | iOS |
method | GraphicsMagick | MBS GraphicsMagick Plugin | 14.1 | Yes | Yes | Yes | Yes | No |
Example:
dim f as FolderItem = SpecialFolder.Desktop.Child("test.jpg")
// try with Constructor (same as read)
dim t1 as Double = Microseconds
dim g1 as new GM16ImageMBS(f)
// now just ping
dim t2 as Double = Microseconds
dim g2 as new GM16ImageMBS
g2.ping(f)
// or read
dim t3 as Double = Microseconds
dim g3 as new GM16ImageMBS
g3.read(f)
dim t4 as Double = Microseconds
// show speeds
MsgBox str(T4-t3)+" µs for read"+EndOfLine+_
str(T3-t2)+" µs for ping"+EndOfLine+_
str(T2-t1)+" µs for Constructor"
See also:
GM16ImageMBS.ping(Path as string)
Function:
Reads information for an image from the image specification.
Notes: Ping is similar to read except only enough of the image is read to determine the image columns, rows, and filesize. Access the columns, rows, and fileSize attributes after invoking ping. The image pixels are not valid after calling ping.
Type | Topic | Plugin | Version | macOS | Windows | Linux | Console & Web | iOS |
method | GraphicsMagick | MBS GraphicsMagick Plugin | 14.1 | Yes | Yes | Yes | Yes | No |
Notes: Ping is similar to read except only enough of the image is read to determine the image columns, rows, and filesize. Access the columns, rows, and fileSize attributes after invoking ping. The image pixels are not valid after calling ping.
See also:
GM16ImageMBS.pixelColor(x as UInt32, y as UInt32) as GM16ColorMBS
Function:
Get/set pixel color at location x & y.
Example:
Notes:
(Read and Write computed property)
Type | Topic | Plugin | Version | macOS | Windows | Linux | Console & Web | iOS |
property | GraphicsMagick | MBS GraphicsMagick Plugin | 14.1 | Yes | Yes | Yes | Yes | No |
Example:
dim p as Picture = LogoMBS(500)
dim image as new GM16ImageMBS(p)
dim c as new GM16ColorMBS("red")
for x as Integer = 240 to 260
image.pixelColor(x,250)=c
next
for y as Integer = 240 to 260
image.pixelColor(250,y)=c
next
Backdrop=image.CopyPicture
GM16ImageMBS.profile(name as string) as GM16BlobMBS
Function:
Get or set a named profile.
Notes:
Add or remove a named profile to/from the image. Remove the profile by passing an empty Blob (e.g. Blob()). Valid names are "*", "8BIM", "ICM", "IPTC", or a user/format-defined profile name.
Retrieve a named profile from the image. Valid names are: "8BIM", "8BIMTEXT", "APP1", "APP1JPEG", "ICC", "ICM", & "IPTC" or an existing user/format-defined profile name
(Read and Write computed property)
Type | Topic | Plugin | Version | macOS | Windows | Linux | Console & Web | iOS |
property | GraphicsMagick | MBS GraphicsMagick Plugin | 14.1 | Yes | Yes | Yes | Yes | No |
Notes:
Add or remove a named profile to/from the image. Remove the profile by passing an empty Blob (e.g. Blob()). Valid names are "*", "8BIM", "ICM", "IPTC", or a user/format-defined profile name.
Retrieve a named profile from the image. Valid names are: "8BIM", "8BIMTEXT", "APP1", "APP1JPEG", "ICC", "ICM", & "IPTC" or an existing user/format-defined profile name
(Read and Write computed property)
GM16ImageMBS.quantize(measureError as boolean=false)
Function:
Quantize image (reduce number of colors).
Example:
Notes:
Set measureError to true in order to calculate error attributes.
Type | Topic | Plugin | Version | macOS | Windows | Linux | Console & Web | iOS |
method | GraphicsMagick | MBS GraphicsMagick Plugin | 14.1 | Yes | Yes | Yes | Yes | No |
Example:
dim p as Picture = LogoMBS(500)
dim image as new GM16ImageMBS(p)
image.quantize
image.type = image.TrueColorType
Backdrop=image.CopyPicture
The items on this page are in the following plugins: MBS GraphicsMagick Plugin.
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