xgetvisualinfo(3x11) [ultrix man page]
XGetVisualInfo(3X11) MIT X11R4 XGetVisualInfo(3X11) Name XGetVisualInfo, XMatchVisualInfo, XVisualIDFromVisual, XVisualInfo - obtain visual information and visual structure Syntax XVisualInfo *XGetVisualInfo(display, vinfo_mask, vinfo_template, nitems_return) Display *display; long vinfo_mask; XVisualInfo *vinfo_template; int *nitems_return; Status XMatchVisualInfo(display, screen, depth, class, vinfo_return) Display *display; int screen; int depth; int class; XVisualInfo *vinfo_return; VisualID XVisualIDFromVisual(visual) Visual *visual; Arguments class Specifies the class of the screen. depth Specifies the depth of the screen. display Specifies the connection to the X server. nitems_return Returns the number of matching visual structures. screen Specifies the screen. visual Specifies the visual type. vinfo_mask Specifies the visual mask value. vinfo_return Returns the matched visual information. vinfo_template Specifies the visual attributes that are to be used in matching the visual structures. Description The function returns a list of visual structures that match the attributes specified by vinfo_template. If no visual structures match the template using the specified vinfo_mask, returns a NULL. To free the data returned by this function, use The function returns the visual information for a visual that matches the specified depth and class for a screen. Because multiple visuals that match the specified depth and class can exist, the exact visual chosen is undefined. If a visual is found, returns nonzero and the information on the visual to vinfo_return. Otherwise, when a visual is not found, returns zero. The function returns the visual ID for the specified visual type. Structures The structure contains: /* Visual information mask bits */ #define 0x0 #define 0x1 #define 0x2 #define 0x4 #define 0x8 #define 0x10 #define 0x20 #define 0x40 #define 0x80 #define 0x100 #define 0x1FF /* Values */ typedef struct { Visual *visual; VisualID visualid; int screen; unsigned int depth; int class; unsigned long red_mask; unsigned long green_mask; unsigned long blue_mask; int colormap_size; int bits_per_rgb; } XVisualInfo; See Also XFree(3X11) X Window System: The Complete Reference, Second Edition, Robert W. Scheifler and James Gettys XGetVisualInfo(3X11)
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XGetVisualInfo(3X11) MIT X11R4 XGetVisualInfo(3X11) Name XGetVisualInfo, XMatchVisualInfo, XVisualIDFromVisual, XVisualInfo - obtain visual information and visual structure Syntax XVisualInfo *XGetVisualInfo(display, vinfo_mask, vinfo_template, nitems_return) Display *display; long vinfo_mask; XVisualInfo *vinfo_template; int *nitems_return; Status XMatchVisualInfo(display, screen, depth, class, vinfo_return) Display *display; int screen; int depth; int class; XVisualInfo *vinfo_return; VisualID XVisualIDFromVisual(visual) Visual *visual; Arguments class Specifies the class of the screen. depth Specifies the depth of the screen. display Specifies the connection to the X server. nitems_return Returns the number of matching visual structures. screen Specifies the screen. visual Specifies the visual type. vinfo_mask Specifies the visual mask value. vinfo_return Returns the matched visual information. vinfo_template Specifies the visual attributes that are to be used in matching the visual structures. Description The function returns a list of visual structures that match the attributes specified by vinfo_template. If no visual structures match the template using the specified vinfo_mask, returns a NULL. To free the data returned by this function, use The function returns the visual information for a visual that matches the specified depth and class for a screen. Because multiple visuals that match the specified depth and class can exist, the exact visual chosen is undefined. If a visual is found, returns nonzero and the information on the visual to vinfo_return. Otherwise, when a visual is not found, returns zero. The function returns the visual ID for the specified visual type. Structures The structure contains: /* Visual information mask bits */ #define 0x0 #define 0x1 #define 0x2 #define 0x4 #define 0x8 #define 0x10 #define 0x20 #define 0x40 #define 0x80 #define 0x100 #define 0x1FF /* Values */ typedef struct { Visual *visual; VisualID visualid; int screen; unsigned int depth; int class; unsigned long red_mask; unsigned long green_mask; unsigned long blue_mask; int colormap_size; int bits_per_rgb; } XVisualInfo; See Also XFree(3X11) X Window System: The Complete Reference, Second Edition, Robert W. Scheifler and James Gettys XGetVisualInfo(3X11)