101 lines
3.1 KiB
C++
101 lines
3.1 KiB
C++
////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// NoesisGUI - http://www.noesisengine.com
|
|
// Copyright (c) 2013 Noesis Technologies S.L. All Rights Reserved.
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
#ifndef __GUI_DRAWINGCONTEXT_H__
|
|
#define __GUI_DRAWINGCONTEXT_H__
|
|
|
|
|
|
#include <NsCore/Noesis.h>
|
|
#include <NsCore/BaseComponent.h>
|
|
#include <NsCore/ReflectionDeclare.h>
|
|
#include <NsCore/Ptr.h>
|
|
#include <NsGui/CoreApi.h>
|
|
|
|
|
|
#undef DrawText
|
|
|
|
|
|
namespace Noesis
|
|
{
|
|
|
|
struct Point;
|
|
struct Rect;
|
|
class Brush;
|
|
class Pen;
|
|
class Geometry;
|
|
class ImageSource;
|
|
class FormattedText;
|
|
class Transform;
|
|
class DrawingCommands;
|
|
enum BlendingMode: int32_t;
|
|
|
|
NS_WARNING_PUSH
|
|
NS_MSVC_WARNING_DISABLE(4251 4275)
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
/// Describes visual content using draw, push, and pop commands during UIElement *OnRender*.
|
|
///
|
|
/// When you use a DrawingContext object's draw commands, you are actually storing a set of
|
|
/// rendering instructions that will later be used by the graphics system; you are not drawing to
|
|
/// the screen in real-time.
|
|
///
|
|
/// https://docs.microsoft.com/en-us/dotnet/api/system.windows.media.drawingcontext
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
class NS_GUI_CORE_API DrawingContext: public BaseComponent
|
|
{
|
|
public:
|
|
DrawingContext();
|
|
~DrawingContext();
|
|
|
|
/// Draws a line between the specified points using the specified Pen
|
|
void DrawLine(Pen* pen, const Point& p0, const Point& p1);
|
|
|
|
/// Draws a rectangle with the specified Brush and Pen
|
|
void DrawRectangle(Brush* brush, Pen* pen, const Rect& rect);
|
|
|
|
/// Draws a rounded rectangle with the specified Brush and Pen
|
|
void DrawRoundedRectangle(Brush* brush, Pen* pen, const Rect& rect, float rX, float rY);
|
|
|
|
/// Draws an ellipse with the specified Brush and Pen
|
|
void DrawEllipse(Brush* brush, Pen* pen, const Point& center, float rX, float rY);
|
|
|
|
/// Draws the specified Geometry using the specified Brush and Pen
|
|
void DrawGeometry(Brush* brush, Pen* pen, Geometry* geometry);
|
|
|
|
/// Draws an image into the region defined by the specified Rect
|
|
void DrawImage(ImageSource* imageSource, const Rect& rect);
|
|
|
|
/// Draws formatted text at the specified location
|
|
void DrawText(FormattedText* formattedText, const Rect& bounds);
|
|
|
|
/// Pops the last opacity mask, opacity, clip, effect, or transform operation that was pushed
|
|
/// onto the drawing context
|
|
void Pop();
|
|
|
|
/// Pushes the specified clip region onto the drawing context
|
|
void PushClip(Geometry* clipGeometry);
|
|
|
|
/// Pushes the specified Transform onto the drawing context
|
|
void PushTransform(Transform* transform);
|
|
|
|
/// Pushes the specified Blending mode
|
|
void PushBlendingMode(BlendingMode mode);
|
|
|
|
private:
|
|
friend class UIElement;
|
|
friend class DrawingContextTestBase;
|
|
|
|
Ptr<DrawingCommands> mCommands;
|
|
|
|
NS_DECLARE_REFLECTION(DrawingContext, BaseComponent)
|
|
};
|
|
|
|
NS_WARNING_POP
|
|
|
|
}
|
|
|
|
#endif
|