Exemplos de gt_graphics_cairo_class em C++ (Cpp)

Exemplo n.º 1

Arquivo: graphics_cairo.c Projeto: simongog/genometools

GtGraphics* gt_graphics_cairo_new_from_context(cairo_t *context,
                                               unsigned int width,
                                               unsigned int height)
{
  GtGraphics *g;
  GtGraphicsCairo *gc;
  char buf[64];
  g = gt_graphics_create(gt_graphics_cairo_class());
  gc = gt_graphics_cairo_cast(g);
  gc->width = width;
  gc->height = height;
  gc->margin_x = gc->margin_y = 20;
  gc->from_context = true;
  gc->cr = context;
  gc->layout = pango_cairo_create_layout(gc->cr);
  pango_layout_set_width(gc->layout, -1);
  gt_assert(gc->layout);
  snprintf(buf, 64, "Sans %d", TEXT_SIZE_DEFAULT);
  gc->desc = pango_font_description_from_string(buf);
  pango_layout_set_font_description(gc->layout, gc->desc);
  pango_font_description_free(gc->desc);
  cairo_set_line_join(context, CAIRO_LINE_JOIN_ROUND);
  cairo_set_line_cap(context, CAIRO_LINE_CAP_ROUND);
  return g;
}

Exemplo n.º 2

Arquivo: graphics_cairo.c Projeto: 9beckert/TIR

GtGraphics* gt_graphics_cairo_new(GtGraphicsOutType type,
                                  unsigned int width,
                                  unsigned int height)
{
  GtGraphics *g;
  g = gt_graphics_create(gt_graphics_cairo_class());
  gt_graphics_cairo_initialize(gt_graphics_cairo_cast(g), type, width, height);
  return g;
}

Exemplo n.º 3

Arquivo: graphics_cairo.c Projeto: simongog/genometools

GtGraphics* gt_graphics_cairo_new(GtGraphicsOutType type,
                                  unsigned int width,
                                  unsigned int height)
{
  GtGraphics *g;
  GtGraphicsCairo *gc;
  char buf[64];
  g = gt_graphics_create(gt_graphics_cairo_class());
  gc = gt_graphics_cairo_cast(g);
  gt_graphics_cairo_initialize(g, type, width, height);
  gc->layout = pango_cairo_create_layout(gc->cr);
  pango_layout_set_width(gc->layout, -1);
  gt_assert(gc->layout);
  snprintf(buf, 64, "Sans %d", TEXT_SIZE_DEFAULT);
  gc->desc = pango_font_description_from_string(buf);
  pango_layout_set_font_description(gc->layout, gc->desc);
  pango_font_description_free(gc->desc);
  return g;
}

Exemplo n.º 4

Arquivo: graphics_cairo.c Projeto: 9beckert/TIR

GtGraphics* gt_graphics_cairo_new_from_context(cairo_t *context,
                                               unsigned int width,
                                               unsigned int height)
{
  GtGraphics *g;
  GtGraphicsCairo *gc;
  g = gt_graphics_create(gt_graphics_cairo_class());
  gc = gt_graphics_cairo_cast(g);
  gc->width = width;
  gc->height = height;
  gc->margin_x = gc->margin_y = 20;
  gc->from_context = true;
  gc->cr = context;
  cairo_set_line_join(context, CAIRO_LINE_JOIN_ROUND);
  cairo_set_line_cap(context, CAIRO_LINE_CAP_ROUND);
  cairo_select_font_face(context, "sans", CAIRO_FONT_SLANT_NORMAL,
                         CAIRO_FONT_WEIGHT_NORMAL);
  return g;
}