Scol » Lib2D GTK

h1. Pix

Images resources.

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h2. _gtkPixNew

create a new pix object

Prototype : *fun [Chn P I [I I I]] ObjGtkPix*

table.

|*channel*|Chn|a channel|

|*filename*|P|an image filename|

|*mode*|I|Mode. Should be at 0.|

|*tuple*|[I I I]|the width (or nil to not constraint it),|

| | |the height (or nil to not constraint it),|

| | |the ratio (1 to keep it)|

+Return+ : ObjGtkPix : a new pix object or nil if an error occurs

h2. _gtkPixFree

Destroys a pix object

Prototype : *fun [ObjGtkPix] I*

+Return+ : I : always 0 except if error, it returns nil

h2. _gtkPixScale

Scale

Prototype : *fun [ObjGtkPix I I I I] ObjGtkPix*

table.

|*pix*|ObjGtkPix|a valid pix object| |

|*width*|I|the new width| |

|*height*|I|the new height| |

|*mode*|I|an algorithm at your choice :|SCOL_GTK_PIX_INTERP_BILINEAR (default) : |

| | | |SCOL_GTK_PIX_INTERP_NEAREST : |

| | | |SCOL_GTK_PIX_INTERP_TILES : |

| | | |SCOL_GTK_PIX_INTERP_HYPER : |

|*flag*|I|if 1, the pix in the pix object _pix_ will be destroyed.|If 0, the pix object _pix_ will be kept and a new pix object will be created.|

+Return+ : ObjGtkPix : a *new* pix object or nil if an error occurs.

h2. _gtkPixScaleEx

Not implemented yet.

+Return+ : always nil.

h2. _gtkPixRotate

Performs a rotation

Prototype : *fun [ObjGtkPix I I] ObjGtkPix*

table.

|*pix*|ObjGtkPix|a pix object|

|*angle*|I|0, 90, 180 or 270 degrees. Others values are ignored|

|*flag*|I|0 if the new pix Scol object is created with the rotated pix|

| | |1 if the new pix replaces the pix in the curent pix object _pix_|

+Return+ : ObjGtkPix : a rotated pix in the (new or same) pix object or the same pix object if the value is bad or nil if an error occurs

h2. _gtkPixFlip

Performs a flip to a pix object

Prototype : *fun [ObjGtkPix I I] ObjGtkPix*

table.

|*pix*|ObjGtkPix|a pix object|

|*flip*|I|SCOL_GTK_PIX_FLIP_HORIZONTAL or SCOL_GTK_PIX_FLIP_VERTICAL. Other value are ignored.|

|*flag*|I|0 if the new pix Scol object is created with the flipped pix|

| | |1 if the new pix replaces the pix in the curent pix object _pix_|

+Return+ : ObjGtkPix : a flipped pix in the (new or same) pix object or the same pix object if the value is bad or nil if an error occurs

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