pbimage

pbimage

Conversión de tipo de imagen, escala, modificación en PowerBuilder

Más información: PBNI-RS

• Construir

cargo build --release
# Copy target i 686 -pc-windows-msvc r elease p bimage . dll file to the pb project directory

Conversión

BMP, JPEG, GIF, PNG, ICO, TIFF, WEBP

• Archivo

 nrs_tp_image nimage
nimage = create nrs_tp_image
if nimage.open( "pic.jpg" ) then
    //Convert jpg images to png format,save to file ;
    nimage.save( "pic.png" )
end if

• Gota

 blob bimg
nrs_tp_image nimage
nimage = create nrs_tp_image
if nimage.open( "pic.jpg" ) then
    //Convert jpg images to png format,data to blob ;
    bimg = nimage.as_bytes( enum .IMAGEFORMAT_PNG))
end if

Escalada

• Uña del pulgar

 nrs_tp_image nimage
nimage = create nrs_tp_image
if nimage.open( "pic.jpg" ) then
    //Generate 200 * 200 thumbnail and convert to png
    nimage.thumbnail( 200 , 200 ).save( "pic.png" )
end if

• Cambiar de tamaño

 nrs_tp_image nimage
nimage = create nrs_tp_image
if nimage.open( "pic.jpg" ) then
    //Resize to 200 * 200 with FILTERTYPE_NEAREST and convert to png
    nimage.resize( 200 , 200 , enum .FILTERTYPE_NEAREST).save( "pic.png" )
end if

Modificar

Nombre de función	Descripción
Función pública Ulong Height ()	altura
función pública ulong ancho ()	ancho
función pública nrs_tp_image grayscale ()	escala de grises
Public Subroutine Invert ()	invertir
Función pública NRS_TP_IMAGE BLUR (Readonly Real Sigma)	difuminar
Función pública NRS_TP_IMAGE UNSHARPEN (Readonly Real Sigma, umbral lectamente largo)	unsharpen
función pública nrs_tp_image ajust_contrast (readonly real c)	ajuste_contrast
función pública nrs_tp_image brinde (readonly long v)	aclarar
Función pública NRS_TP_IMAGE HUEROTATE (Readonly Long V)	huerar
función pública nrs_tp_image flipv ()	flipv
función pública nrs_tp_image fliph ()	fliph
función pública nrs_tp_image rotate90 ()	Rotar90
función pública nrs_tp_image rotate180 ()	Rotar180
función pública nrs_tp_image rotate270 ()	Rotar270

Estilo de encadenamiento

 nrs_tp_image nimage
nimage = create nrs_tp_image
if nimage.open( "pic.jpg" ) then
    //Chaining Style
    nimage.thumbnail( 200 , 200 ).grayscale().blur( 2 . 0 ).flipv().save( "pic.png" )
end if

Más...

 public function nrs_tp_image resize( readonly ulong nwidth, readonly ulong nheight, readonly uint filtertype)
public function nrs_tp_image resize_exact( readonly ulong nwidth, readonly ulong nheight, readonly uint filtertype)
public function nrs_tp_image resize_to_fill( readonly ulong nwidth, readonly ulong nheight, readonly uint filtertype)
public function nrs_tp_image thumbnail( readonly ulong nwidth, readonly ulong nheight)
public function nrs_tp_image thumbnail_exact( readonly ulong nwidth, readonly ulong nheight)
public function uint color()