src/renderer/unix/text_renderer_interface.h

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#ifndef MOZC_RENDERER_UNIX_TEXT_RENDERER_INTERFACE_H_
#define MOZC_RENDERER_UNIX_TEXT_RENDERER_INTERFACE_H_

#include <gtk/gtk.h>

#include "renderer/unix/font_spec_interface.h"
#include "base/coordinates.h"

namespace mozc {
namespace renderer {
namespace gtk {

class TextRendererInterface {
 public:
  TextRendererInterface() {}
  virtual ~TextRendererInterface() {}

  virtual void Initialize(GdkDrawable *drawable) = 0;
  // Returns boundary rectangle size of actual rendered text.
  virtual Size GetPixelSize(FontSpecInterface::FONT_TYPE font_type,
                            const string &str) = 0;
  virtual Size GetMultiLinePixelSize(FontSpecInterface::FONT_TYPE font_type,
                                     const string &str,
                                     const int width) = 0;

  virtual void RenderText(const string &text, const Rect &rect,
                          FontSpecInterface::FONT_TYPE font_type) = 0;

  virtual void ReloadFontConfig(const string &font_description) = 0;
};

}  // namespace gtk
}  // namespace renderer
}  // namespace mozc
#endif  // MOZC_RENDERER_UNIX_TEXT_RENDERER_INTERFACE_H_