canvas_geometry.h

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#ifndef YAZE_APP_GUI_CANVAS_CANVAS_GEOMETRY_H
#define YAZE_APP_GUI_CANVAS_CANVAS_GEOMETRY_H
 
#include "app/gui/canvas/canvas_state.h"
#include "app/gui/canvas/canvas_utils.h"
#include "imgui/imgui.h"
 
namespace yaze {
namespace gui {
 
CanvasGeometry CalculateCanvasGeometry(const CanvasConfig& config,
                                       ImVec2 requested_size,
                                       ImVec2 cursor_screen_pos,
                                       ImVec2 content_region_avail);
 
ImVec2 CalculateMouseInCanvas(const CanvasGeometry& geometry,
                              ImVec2 mouse_screen_pos);
 
bool IsPointInCanvasBounds(const CanvasGeometry& geometry, ImVec2 point);
 
void ApplyScrollDelta(CanvasGeometry& geometry, ImVec2 delta);
 
inline ImVec2 GetCanvasOrigin(const CanvasGeometry& geometry) {
  return ImVec2(geometry.canvas_p0.x + geometry.scrolling.x,
                geometry.canvas_p0.y + geometry.scrolling.y);
}
 
}  // namespace gui
}  // namespace yaze
 
#endif  // YAZE_APP_GUI_CANVAS_CANVAS_GEOMETRY_H