Usage
GpimageCrop(fileIN, fileOUT,x1,y1,x2,y2, filetype='PNG', terminal=NULL)
GpimageDecimate(fileIN, fileOUT, Xdec=2,Ydec=2, filetype='PNG', terminal=NULL)
GpimageFlip(fileIN, fileOUT,flipX=TRUE,flipY=FALSE, filetype='PNG',
terminal=NULL)
GpimagePlot(fileIN,alpha=FALSE, backgroundColor='', filetype='',
terminal=NULL)
GpimageResize(fileIN, fileOUT,newWidth, newHeight, filetype='PNG',
terminal=NULL)
GpimageRotate(fileIN, fileOUT,degrees, filetype='PNG', terminal=NULL)
GpimageTile(fileOUT, matrixFilenamesIn, vectorWidths, vectorHeights,
matrixXscale=NULL, matrixYscale=NULL,alpha=FALSE, filetype='PNG', terminal=NULL)
Gpimage2PNG(fileIN, fileOUT, optional256=FALSE,alpha=FALSE, backgroundColor='')
Gpimage2image(fileIN, fileOUT , filetype='PNG', terminal=NULL,alpha=FALSE,
backgroundColor='')
Arguments
x2
x coord opposite corner
y2
y coord opposite corner
flipX
boolean, TRUE=flip on the x-axis
flipY
boolean, TRUE=flip on the y-axis
alpha
value for alpha channel
backgroundColor
value for background color
newWidth
new value for the width
newHeight
new value for the Height
degrees
angle of rotation in degrees
matrixFilenamesIn
matrix with the file names to tile
vectorWidths
vector with the widths of the files to tile
vectorHeights
vector with the heights of the files to tile
matrixXscale
matrix with values for scaling the images in the x-axis
matrixYscale
matrix with values for scaling the images in the y-axis
optional256
boolean, TRUE=256 color output