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GOffice Reference Manual | ![]() |
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Top | Description |
#define GOG_RENDERER_GRIP_SIZE #define GOG_RENDERER_HAIRLINE_WIDTH_PTS void gog_renderer_draw_circle (GogRenderer *rend
,double x
,double y
,double r
); void gog_renderer_draw_data_label (GogRenderer *rend
,GogSeriesLabelElt const *elt
,GogViewAllocation const *pos
,GOAnchorType anchor
,GOStyle *legend_style
); void gog_renderer_draw_gostring (GogRenderer *rend
,GOString *str
,GogViewAllocation const *pos
,GOAnchorType anchor
,GtkJustification justification
,double width
); void gog_renderer_draw_grip (GogRenderer *renderer
,double x
,double y
); void gog_renderer_draw_marker (GogRenderer *rend
,double x
,double y
); void gog_renderer_draw_rectangle (GogRenderer *rend
,GogViewAllocation const *rect
); void gog_renderer_draw_rotated_rectangle (GogRenderer *rend
,GogViewAllocation const *rect
,gboolean rotate_bg
); void gog_renderer_draw_selection_rectangle (GogRenderer *renderer
,GogViewAllocation const *rectangle
); void gog_renderer_draw_shape (GogRenderer *renderer
,GOPath const *path
); void gog_renderer_draw_text (GogRenderer *rend
,char const *text
,GogViewAllocation const *pos
,GOAnchorType anchor
,gboolean use_markup
,GtkJustification justification
,double width
); gboolean gog_renderer_export_image (GogRenderer *renderer
,GOImageFormat format
,GsfOutput *output
,double x_dpi
,double y_dpi
); void gog_renderer_fill_circle (GogRenderer *rend
,double x
,double y
,double r
); void gog_renderer_fill_rectangle (GogRenderer *rend
,GogViewAllocation const *rect
); void gog_renderer_fill_serie (GogRenderer *renderer
,GOPath const *path
,GOPath const *close_path
); void gog_renderer_fill_shape (GogRenderer *renderer
,GOPath const *path
); cairo_surface_t * gog_renderer_get_cairo_surface (GogRenderer *renderer
); void gog_renderer_get_gostring_AABR (GogRenderer *rend
,GOString *str
,GOGeometryAABR *aabr
,double max_width
); void gog_renderer_get_gostring_OBR (GogRenderer *rend
,GOString *str
,GOGeometryOBR *obr
,double max_width
); double gog_renderer_get_hairline_width_pts (GogRenderer const *rend
); GdkPixbuf * gog_renderer_get_pixbuf (GogRenderer *renderer
); double gog_renderer_get_scale (GogRenderer *renderer
); void gog_renderer_get_text_AABR (GogRenderer *rend
,char const *text
,gboolean use_markup
,GOGeometryAABR *aabr
,double max_width
); void gog_renderer_get_text_OBR (GogRenderer *rend
,char const *text
,gboolean use_markup
,GOGeometryOBR *obr
,double max_width
); #define gog_renderer_in_grip (x, y, grip_x, grip_y) double gog_renderer_line_size (GogRenderer const *r
,double width
); GogRenderer * gog_renderer_new (GogGraph *graph
); void gog_renderer_pop_clip (GogRenderer *rend
); void gog_renderer_pop_style (GogRenderer *rend
); double gog_renderer_pt2r (GogRenderer const *r
,double d
); double gog_renderer_pt2r_x (GogRenderer const *r
,double d
); double gog_renderer_pt2r_y (GogRenderer const *r
,double d
); void gog_renderer_push_clip (GogRenderer *rend
,GOPath const *path
); void gog_renderer_push_clip_rectangle (GogRenderer *rend
,double x
,double y
,double w
,double h
); void gog_renderer_push_style (GogRenderer *rend
,GOStyle const *style
); gboolean gog_renderer_render_to_cairo (GogRenderer *renderer
,cairo_t *cairo
,double width
,double height
); void gog_renderer_request_update (GogRenderer *renderer
); void gog_renderer_stroke_circle (GogRenderer *rend
,double x
,double y
,double r
); void gog_renderer_stroke_rectangle (GogRenderer *rend
,GogViewAllocation const *rect
); void gog_renderer_stroke_serie (GogRenderer *renderer
,GOPath const *path
); void gog_renderer_stroke_shape (GogRenderer *renderer
,GOPath const *path
); gboolean gog_renderer_update (GogRenderer *renderer
,double w
,double h
);
Note that GogGraph has a functions for export/rendering, so you do not always need to use a GogRenderer directly.
void gog_renderer_draw_circle (GogRenderer *rend
,double x
,double y
,double r
);
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void gog_renderer_draw_data_label (GogRenderer *rend
,GogSeriesLabelElt const *elt
,GogViewAllocation const *pos
,GOAnchorType anchor
,GOStyle *legend_style
);
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void gog_renderer_draw_gostring (GogRenderer *rend
,GOString *str
,GogViewAllocation const *pos
,GOAnchorType anchor
,GtkJustification justification
,double width
);
Have rend
draw layout
in the at pos
.{x,y} anchored by the anchor
corner.
If pos.w
or pos.h
are >= 0 then clip the results to less than that size.
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GogRenderer |
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the GOString to draw |
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GogViewAllocation |
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GOAnchorType how to draw relative to pos
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GtkJustification for multiline string. |
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if positive, the maximum width to get a multiline string if needed. |
void gog_renderer_draw_grip (GogRenderer *renderer
,double x
,double y
);
Draw a grip, used for moving/resizing of objects.
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GogRenderer |
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x position of grip |
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y position of grip |
void gog_renderer_draw_marker (GogRenderer *rend
,double x
,double y
);
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GogRenderer |
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X-coordinate |
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Y-coordinate |
void gog_renderer_draw_rectangle (GogRenderer *rend
,GogViewAllocation const *rect
);
A utility routine to build a closed rectangle vpath.
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a GogRenderer |
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position and extent of rectangle |
void gog_renderer_draw_rotated_rectangle (GogRenderer *rend
,GogViewAllocation const *rect
,gboolean rotate_bg
);
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void gog_renderer_draw_selection_rectangle (GogRenderer *renderer
,GogViewAllocation const *rectangle
);
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void gog_renderer_draw_shape (GogRenderer *renderer
,GOPath const *path
);
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void gog_renderer_draw_text (GogRenderer *rend
,char const *text
,GogViewAllocation const *pos
,GOAnchorType anchor
,gboolean use_markup
,GtkJustification justification
,double width
);
Have rend
draw text
in the at pos
.{x,y} anchored by the anchor
corner.
If pos.w
or pos.h
are >= 0 then clip the results to less than that size.
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GogRenderer |
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the string to draw |
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GogViewAllocation |
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GOAnchorType how to draw relative to pos
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wether to use pango markup |
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GtkJustification for multiline text. |
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if positive, the maximum width to get a multiline text if needed. |
gboolean gog_renderer_export_image (GogRenderer *renderer
,GOImageFormat format
,GsfOutput *output
,double x_dpi
,double y_dpi
);
Exports an image of graph
in given format
, writing results in a GsfOutput stream.
If export format type is a bitmap one, it computes image size with x_dpi, y_dpi and
graph
size (see gog_graph_get_size()
).
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a GogRenderer |
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image format for export |
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a GsfOutput stream |
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x resolution of exported graph |
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y resolution of exported graph |
Returns : |
TRUE if export succeed.
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void gog_renderer_fill_circle (GogRenderer *rend
,double x
,double y
,double r
);
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void gog_renderer_fill_rectangle (GogRenderer *rend
,GogViewAllocation const *rect
);
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void gog_renderer_fill_serie (GogRenderer *renderer
,GOPath const *path
,GOPath const *close_path
);
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void gog_renderer_fill_shape (GogRenderer *renderer
,GOPath const *path
);
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cairo_surface_t * gog_renderer_get_cairo_surface (GogRenderer *renderer
);
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Returns : |
void gog_renderer_get_gostring_AABR (GogRenderer *rend
,GOString *str
,GOGeometryAABR *aabr
,double max_width
);
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GogRenderer |
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the string to draw |
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GOGeometryAABR to store the Axis Aligned Bounding Rectangle of text .
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void gog_renderer_get_gostring_OBR (GogRenderer *rend
,GOString *str
,GOGeometryOBR *obr
,double max_width
);
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GogRenderer |
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the string to draw |
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GOGeometryOBR to store the Object Bounding Rectangle of text .
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double gog_renderer_get_hairline_width_pts (GogRenderer const *rend
);
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a GogRenderer |
Returns : |
the hairline width in pts. |
GdkPixbuf * gog_renderer_get_pixbuf (GogRenderer *renderer
);
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GogRenderer |
Returns : |
current pixbuf buffer from a renderer that can render into a pixbuf.
or NULL on error. [transfer none]
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double gog_renderer_get_scale (GogRenderer *renderer
);
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Returns : |
void gog_renderer_get_text_AABR (GogRenderer *rend
,char const *text
,gboolean use_markup
,GOGeometryAABR *aabr
,double max_width
);
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GogRenderer |
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the string to draw |
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whether to use pango markup |
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GOGeometryAABR to store the Axis Aligned Bounding Rectangle of text .
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void gog_renderer_get_text_OBR (GogRenderer *rend
,char const *text
,gboolean use_markup
,GOGeometryOBR *obr
,double max_width
);
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GogRenderer |
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the string to draw |
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wether to use pango markup |
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GOGeometryOBR to store the Object Bounding Rectangle of text .
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double gog_renderer_line_size (GogRenderer const *r
,double width
);
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Returns : |
GogRenderer * gog_renderer_new (GogGraph *graph
);
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graph model |
Returns : |
a new GogRenderer which can render into a pixbuf, and sets graph
as its model.
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void gog_renderer_pop_clip (GogRenderer *rend
);
End the current clipping.
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GogRenderer |
double gog_renderer_pt2r_x (GogRenderer const *r
,double d
);
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Returns : |
double gog_renderer_pt2r_y (GogRenderer const *r
,double d
);
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Returns : |
void gog_renderer_push_clip (GogRenderer *rend
,GOPath const *path
);
Defines the current clipping region.
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GogRenderer |
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a GOPath |
void gog_renderer_push_clip_rectangle (GogRenderer *rend
,double x
,double y
,double w
,double h
);
Defines a rectangular clipping region. For efficient screen rendering, this function takes care to round the coordinates.
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GogRenderer |
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left coordinate |
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top coordinate |
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width of clipping rectangle |
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height of clipping rectangle |
void gog_renderer_push_style (GogRenderer *rend
,GOStyle const *style
);
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gboolean gog_renderer_render_to_cairo (GogRenderer *renderer
,cairo_t *cairo
,double width
,double height
);
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Returns : |
void gog_renderer_stroke_circle (GogRenderer *rend
,double x
,double y
,double r
);
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void gog_renderer_stroke_rectangle (GogRenderer *rend
,GogViewAllocation const *rect
);
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void gog_renderer_stroke_serie (GogRenderer *renderer
,GOPath const *path
);
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void gog_renderer_stroke_shape (GogRenderer *renderer
,GOPath const *path
);
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gboolean gog_renderer_update (GogRenderer *renderer
,double w
,double h
);
Requests a renderer update, only useful for pixbuf based renderer.
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a GogRenderer |
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requested width |
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requested height |
Returns : |
TRUE if a redraw is necessary.
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