Does initial setup before rendering operations on renderer. pango_renderer_deactivate() should be called when done drawing. Calls such as pango_renderer_draw_layout() automatically activate the layout before drawing on it. Calls to pango_renderer_activate() and pango_renderer_deactivate() can be nested and the renderer will only be initialized and deinitialized once.

Returns:

none

Cleans up after rendering operations on renderer. See docs for pango_renderer_activate().

Returns:

none

Draw a squiggly line that approximately covers the given rectangle in the style of an underline used to indicate a spelling error. (The width of the underline is rounded to an integer number of up/down segments and the resulting rectangle is centered in the original rectangle) This should be called while renderer is already active. Use pango_renderer_activate() to activate a renderer.

Parameters:

Number x Required (not null)

Number y Required (not null)

Number width Required (not null)

Number height Required (not null)

Returns:

none

Draws a single glyph with coordinates in device space.

Parameters:

Pango.Font font Required (not null)

Number glyph Required (not null)

Number x Required (not null)

Number y Required (not null)

Returns:

none

Draws the glyphs in glyph_item with the specified PangoRenderer, embedding the text associated with the glyphs in the output if the output format supports it (PDF for example). Note that text is the start of the text for layout, which is then indexed by glyph_item->item->offset. If text is NULL, this simply calls pango_renderer_draw_glyphs(). The default implementation of this method simply falls back to pango_renderer_draw_glyphs().

Parameters:

String text Required (not null)

Pango.GlyphItem glyph_item Required (not null)

Number x Required (not null)

in Pango units.

Number y Required (not null)

in Pango units.

Returns:

none

Draws the glyphs in glyphs with the specified PangoRenderer.

Parameters:

Pango.Font font Required (not null)

Pango.GlyphString glyphs Required (not null)

Number x Required (not null)

in Pango units.

Number y Required (not null)

in Pango units.

Returns:

none

Draws layout with the specified PangoRenderer.

Parameters:

Pango.Layout layout Required (not null)

Number x Required (not null)

in Pango units.

Number y Required (not null)

in Pango units.

Returns:

none

Draws line with the specified PangoRenderer.

Parameters:

Pango.LayoutLine line Required (not null)

Number x Required (not null)

in Pango units.

Number y Required (not null)

in Pango units.

Returns:

none

Draws an axis-aligned rectangle in user space coordinates with the specified PangoRenderer. This should be called while renderer is already active. Use pango_renderer_activate() to activate a renderer.

Parameters:

Pango.RenderPart part Required (not null)

Number x Required (not null)

Number y Required (not null)

Number width Required (not null)

Number height Required (not null)

Returns:

none

Draws a trapezoid with the parallel sides aligned with the X axis using the given PangoRenderer; coordinates are in device space.

Parameters:

Pango.RenderPart part Required (not null)

Number y1_ Required (not null)

Number x11 Required (not null)

Number x21 Required (not null)

Number y2 Required (not null)

Number x12 Required (not null)

Number x22 Required (not null)

Returns:

none

Gets the current rendering color for the specified part. if it hasn't been set and should be inherited from the environment.

Parameters:

Pango.RenderPart part Required (not null)

Returns:

Pango.Color

Gets the layout currently being rendered using renderer. Calling this function only makes sense from inside a subclass's methods, like in its draw_shape() for example. The returned layout should not be modified while still being rendered. rendered using renderer at this time.

Returns:

Pango.Layout

Gets the layout line currently being rendered using renderer. Calling this function only makes sense from inside a subclass's methods, like in its draw_shape() for example. The returned layout line should not be modified while still being rendered. rendered using renderer at this time.

Returns:

Pango.LayoutLine

Gets the transformation matrix that will be applied when rendering. See pango_renderer_set_matrix(). (which is the same as the identity matrix). The returned matrix is owned by Pango and must not be modified or freed.

Returns:

Pango.Matrix

Informs Pango that the way that the rendering is done for part has changed in a way that would prevent multiple pieces being joined together into one drawing call. For instance, if a subclass of PangoRenderer was to add a stipple option for drawing underlines, it needs to call pango_renderer_part_changed (render, PANGO_RENDER_PART_UNDERLINE); When the stipple changes or underlines with different stipples might be joined together. Pango automatically calls this for changes to colors. (See pango_renderer_set_color())

Parameters:

Pango.RenderPart part Required (not null)

Returns:

none

Sets the color for part of the rendering.

Parameters:

Pango.RenderPart part Required (not null)

Pango.Color color Required (not null)

Returns:

none

Sets the transformation matrix that will be applied when rendering.

Parameters:

Pango.Matrix matrix Required (not null)

(No matrix set is the same as setting the identity matrix.)

Returns:

none