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GOPattern

GOPattern

Synopsis

                    GOPattern;
enum                GOPatternType;
GOPatternType       go_pattern_from_str                 (char const *name);
char const	*        go_pattern_as_str                   (GOPatternType pattern);
gboolean            go_pattern_is_solid                 (GOPattern const *pat,
                                                         GOColor *color);
void                go_pattern_set_solid                (GOPattern *pat,
                                                         GOColor fore);
guint8 const 	*     go_pattern_get_pattern              (GOPattern const *pat);
xmlChar *           go_pattern_get_svg_path             (GOPattern const *pattern,
                                                         double *width,
                                                         double *height);
cairo_pattern_t *   go_pattern_create_cairo_pattern     (GOPattern const *pattern,
                                                         cairo_t *cr);
GtkWidget *         go_pattern_selector_new             (GOPatternType initial_type,
                                                         GOPatternType default_type);
void                go_pattern_selector_set_colors      (GOSelector *selector,
                                                         GOColor foreground,
                                                         GOColor background);

Description

Details

GOPattern

typedef struct {
	GOColor	 fore, back;
	unsigned pattern;
} GOPattern;


enum GOPatternType

typedef enum {
	GO_PATTERN_SOLID,
	GO_PATTERN_GREY75,
	GO_PATTERN_GREY50,
	GO_PATTERN_GREY25,
	GO_PATTERN_GREY125,
	GO_PATTERN_GREY625,
	GO_PATTERN_HORIZ,
	GO_PATTERN_VERT,
	GO_PATTERN_REV_DIAG,
	GO_PATTERN_DIAG,
	GO_PATTERN_DIAG_CROSS,
	GO_PATTERN_THICK_DIAG_CROSS,
	GO_PATTERN_THIN_HORIZ,
	GO_PATTERN_THIN_VERT,
	GO_PATTERN_THIN_REV_DIAG,
	GO_PATTERN_THIN_DIAG,
	GO_PATTERN_THIN_HORIZ_CROSS,
	GO_PATTERN_THIN_DIAG_CROSS,
	GO_PATTERN_FOREGROUND_SOLID,
	GO_PATTERN_SMALL_CIRCLES,
	GO_PATTERN_SEMI_CIRCLES,
	GO_PATTERN_THATCH,
	GO_PATTERN_LARGE_CIRCLES,
	GO_PATTERN_BRICKS,
	GO_PATTERN_MAX
} GOPatternType;


go_pattern_from_str ()

GOPatternType       go_pattern_from_str                 (char const *name);

name :

Returns :


go_pattern_as_str ()

char const	*        go_pattern_as_str                   (GOPatternType pattern);

pattern :

Returns :


go_pattern_is_solid ()

gboolean            go_pattern_is_solid                 (GOPattern const *pat,
                                                         GOColor *color);

pat :

GOPattern

color :

GOColor

Returns :

if pat is solid, and stores the color in color. If pat is not solid color is not touched.

go_pattern_set_solid ()

void                go_pattern_set_solid                (GOPattern *pat,
                                                         GOColor fore);

Makes pat a solid pattern with colour fore.

pat :

a GOPattern

fore :

a GOColor

go_pattern_get_pattern ()

guint8 const 	*     go_pattern_get_pattern              (GOPattern const *pat);

pat :

Returns :


go_pattern_get_svg_path ()

xmlChar *           go_pattern_get_svg_path             (GOPattern const *pattern,
                                                         double *width,
                                                         double *height);

Retrieves an SVG path as string, which represents pattern shape. Caller is responsible for freeing the resulting string.

If width != NULL, returns pattern width. If height != NULL, returns pattern height.

pattern :

a GOPattern

width :

pattern width

height :

pattern height

Returns :

a xmlChar buffer (free using xmlFree).

go_pattern_create_cairo_pattern ()

cairo_pattern_t *   go_pattern_create_cairo_pattern     (GOPattern const *pattern,
                                                         cairo_t *cr);

pattern :

a GOPattern

cr :

a cairo context

Returns :

a cairo pattern object corresponding to pattern parameters. The returned surface must be freed after use, using cairo_pattern_destroy.

go_pattern_selector_new ()

GtkWidget *         go_pattern_selector_new             (GOPatternType initial_type,
                                                         GOPatternType default_type);

Creates a new pattern selector.

initial_type :

pattern type initially selected

default_type :

automatic pattern type

Returns :

a new GtkWidget.

go_pattern_selector_set_colors ()

void                go_pattern_selector_set_colors      (GOSelector *selector,
                                                         GOColor foreground,
                                                         GOColor background);

Updates swatch colors of selector.

selector :

a pattern GOSelector

foreground :

foreground color

background :

background color
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