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GogRenderer;
GogRenderer* gog_renderer_new (GogGraph *graph);
void gog_renderer_draw_selection_rectangle
(GogRenderer *renderer,
GogViewAllocation const *rectangle);
void gog_renderer_draw_shape (GogRenderer *renderer,
GOPath const *path);
void gog_renderer_fill_serie (GogRenderer *renderer,
GOPath const *path,
GOPath const *close_path);
void gog_renderer_fill_shape (GogRenderer *renderer,
GOPath const *path);
void gog_renderer_fill_circle (GogRenderer *rend,
double x,
double y,
double r);
void gog_renderer_fill_rectangle (GogRenderer *rend,
GogViewAllocation const *rect);
double gog_renderer_get_hairline_width_pts (GogRenderer const *rend);
void gog_renderer_push_clip_rectangle (GogRenderer *rend,
double x,
double y,
double w,
double h);
gboolean gog_renderer_render_to_cairo (GogRenderer *renderer,
cairo_t *cairo,
double width,
double height);
void gog_renderer_stroke_serie (GogRenderer *renderer,
GOPath const *path);
void gog_renderer_stroke_shape (GogRenderer *renderer,
GOPath const *path);
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_request_update (GogRenderer *renderer);
void gog_renderer_push_style (GogRenderer *rend,
GOStyle const *style);
void gog_renderer_pop_style (GogRenderer *rend);
void gog_renderer_push_clip (GogRenderer *rend,
GOPath const *path);
void gog_renderer_pop_clip (GogRenderer *rend);
void gog_renderer_draw_circle (GogRenderer *rend,
double x,
double y,
double r);
void gog_renderer_draw_rectangle (GogRenderer *rend,
GogViewAllocation const *rect);
void gog_renderer_draw_text (GogRenderer *rend,
char const *text,
GogViewAllocation const *pos,
GtkAnchorType anchor,
gboolean use_markup);
void gog_renderer_draw_marker (GogRenderer *rend,
double x,
double y);
void gog_renderer_draw_grip (GogRenderer *renderer,
double x,
double y);
#define gog_renderer_in_grip (x,y,grip_x,grip_y)
void gog_renderer_get_text_OBR (GogRenderer *rend,
char const *text,
gboolean use_markup,
GOGeometryOBR *obr);
void gog_renderer_get_text_AABR (GogRenderer *rend,
char const *text,
gboolean use_markup,
GOGeometryAABR *aabr);
double gog_renderer_line_size (GogRenderer const *r,
double width);
double gog_renderer_pt2r_x (GogRenderer const *r,
double d);
double gog_renderer_pt2r_y (GogRenderer const *r,
double d);
double gog_renderer_pt2r (GogRenderer const *r,
double d);
gboolean gog_renderer_export_image (GogRenderer *renderer,
GOImageFormat format,
GsfOutput *output,
double x_dpi,
double y_dpi);
gboolean gog_renderer_update (GogRenderer *renderer,
double w,
double h);
GdkPixbuf* gog_renderer_get_pixbuf (GogRenderer *renderer);
cairo_surface_t* gog_renderer_get_cairo_surface (GogRenderer *renderer);
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_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_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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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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double gog_renderer_get_hairline_width_pts (GogRenderer const *rend);
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a GogRenderer |
Returns : |
the hairline width in pts. |
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 |
gboolean gog_renderer_render_to_cairo (GogRenderer *renderer, cairo_t *cairo, double width, double height);
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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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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_push_style (GogRenderer *rend, GOStyle const *style);
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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_pop_clip (GogRenderer *rend);
End the current clipping.
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GogRenderer |
void gog_renderer_draw_circle (GogRenderer *rend, double x, double y, double r);
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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_text (GogRenderer *rend, char const *text, GogViewAllocation const *pos, GtkAnchorType anchor, gboolean use_markup);
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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GtkAnchorType how to draw relative to pos
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wether to use pango markup |
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_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_get_text_OBR (GogRenderer *rend, char const *text, gboolean use_markup, GOGeometryOBR *obr);
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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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void gog_renderer_get_text_AABR (GogRenderer *rend, char const *text, gboolean use_markup, GOGeometryAABR *aabr);
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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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GOGeometryAABR to store the Axis Aligned Bounding Rectangle of text.
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double gog_renderer_line_size (GogRenderer const *r, double width);
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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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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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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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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.
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cairo_surface_t* gog_renderer_get_cairo_surface (GogRenderer *renderer);
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"request-update" signalvoid user_function (GogRenderer *gogrenderer, gpointer user_data) : Run Last
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the object which received the signal. |
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user data set when the signal handler was connected. |