static VALUE
rg_set_matrix(VALUE self, VALUE matrix)
{
pango_renderer_set_matrix(_SELF(self),
(PangoMatrix*)(NIL_P(matrix) ? NULL : RVAL2BOXED(matrix, PANGO_TYPE_MATRIX)));
return self;
}
static VALUE
rg_set_matrix(VALUE self, VALUE matrix)
{
pango_renderer_set_matrix(_SELF(self),
NIL_P(matrix) ? NULL : RVAL2PANGOMATRIX(matrix));
return self;
}
/**
* pango_renderer_draw_layout:
* @renderer: a #PangoRenderer
* @layout: a #PangoLayout
* @x: X position of left edge of baseline, in user space coordinates
* in Pango units.
* @y: Y position of left edge of baseline, in user space coordinates
* in Pango units.
*
* Draws @layout with the specified #PangoRenderer.
*
* Since: 1.8
**/
void
pango_renderer_draw_layout (PangoRenderer *renderer,
PangoLayout *layout,
int x,
int y)
{
PangoLayoutIter *iter;
g_return_if_fail (PANGO_IS_RENDERER (renderer));
g_return_if_fail (PANGO_IS_LAYOUT (layout));
/* We only change the matrix if the renderer isn't already
* active.
*/
if (!renderer->active_count)
{
PangoContext *context = pango_layout_get_context (layout);
pango_renderer_set_matrix (renderer,
pango_context_get_matrix (context));
}
pango_renderer_activate (renderer);
iter = pango_layout_get_iter (layout);
do
{
PangoRectangle logical_rect;
PangoLayoutLine *line;
int baseline;
line = pango_layout_iter_get_line_readonly (iter);
pango_layout_iter_get_line_extents (iter, NULL, &logical_rect);
baseline = pango_layout_iter_get_baseline (iter);
pango_renderer_draw_layout_line (renderer,
line,
x + logical_rect.x,
y + baseline);
}
while (pango_layout_iter_next_line (iter));
pango_layout_iter_free (iter);
pango_renderer_deactivate (renderer);
}
