4.5 Export picture

Functions in this group save or give access to produced picture. So, usually they should be called after plotting is done.

MGL command: setsize w h

Method on mglGraph: void SetSize (int width, int height)

C function: void mgl_set_size (HMGL gr, int width, int height)

Sets size of picture in pixels. This function must be called before any other plotting because it completely remove picture contents.

MGL command: quality val

Method on mglGraph: void SetQuality (int val=MGL_DRAW_NORM)

C function: void mgl_set_quality (HMGL gr, int val)

Sets quality of the plot depending on value val: MGL_DRAW_WIRE=0 – no face drawing (fastest), MGL_DRAW_FAST=1 – no color interpolation (fast), MGL_DRAW_NORM=2 – high quality (normal). If MGL_DRAW_LMEM=0x4 is set then direct bitmap drawing is used (low memory usage).

Method on mglGraph: void StartGroup (const char *name)

C function: void mgl_start_group (HMGL gr, const char *name)

Starts group definition. Groups contain objects and other groups, they are used to select a part of a model to zoom to or to make invizible or to make semitransparent and so on.

Method on mglGraph: void EndGroup ()

C function: void mgl_end_group (HMGL gr)

Ends group definition.

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