xmake.repo/packages/n/noesis/latest/Include/NsGui/BitmapSource.h
2024-12-22 19:15:02 +08:00

99 lines
2.7 KiB
C++

////////////////////////////////////////////////////////////////////////////////////////////////////
// NoesisGUI - http://www.noesisengine.com
// Copyright (c) Noesis Technologies S.L. All Rights Reserved.
////////////////////////////////////////////////////////////////////////////////////////////////////
#ifndef __GUI_BITMAPSOURCE_H__
#define __GUI_BITMAPSOURCE_H__
#include <NsCore/Noesis.h>
#include <NsGui/CoreApi.h>
#include <NsGui/ImageSource.h>
#include <NsCore/ReflectionDeclare.h>
namespace Noesis
{
////////////////////////////////////////////////////////////////////////////////////////////////////
/// Represents a single, constant set of pixels at a certain size and resolution.
///
/// https://msdn.microsoft.com/en-us/library/system.windows.media.imaging.bitmapsource.aspx
////////////////////////////////////////////////////////////////////////////////////////////////////
class NS_GUI_CORE_API BitmapSource: public ImageSource
{
public:
BitmapSource();
virtual ~BitmapSource() = 0;
enum Format
{
Format_BGRA8,
Format_BGR8,
Format_RGBA8,
Format_RGB8
};
/// Creates a new BitmapSource from an array of pixels that are stored in memory
static Ptr<BitmapSource> Create(int32_t pixelWidth, int32_t pixelHeight, float dpiX,
float dpiY, const uint8_t* buffer, int32_t stride, Format format);
/// Horizontal DPI of the bitmap
/// \prop
float GetDpiX() const;
/// Vertical DPI of the bitmap
/// \prop
float GetDpiY() const;
/// Width, in pixels, of the bitmap
/// \prop
int32_t GetPixelWidth() const;
/// Height, in pixels, of the bitmap
/// \prop
int32_t GetPixelHeight() const;
/// Gets bitmap format
/// \prop
Format GetFormat() const;
/// Copies the bitmap pixel data into an array of pixels with the specified stride,
/// starting at the specified offset
virtual void CopyPixels(uint8_t* buffer, uint32_t bufferSize, int32_t stride,
int32_t offset) const;
/// From Freezable
//@{
Ptr<BitmapSource> Clone() const;
Ptr<BitmapSource> CloneCurrentValue() const;
//@}
protected:
/// From ImageSource
//@{
float GetWidthCore() const override;
float GetHeightCore() const override;
//@}
/// Implemented by inheritors
//@{
virtual float GetDpiXCore() const = 0;
virtual float GetDpiYCore() const = 0;
virtual int32_t GetPixelWidthCore() const = 0;
virtual int32_t GetPixelHeightCore() const = 0;
virtual void CopyPixelsCore(uint8_t* buffer, uint32_t bufferSize, int32_t stride,
int32_t offset) const;
//@}
NS_DECLARE_REFLECTION(BitmapSource, ImageSource)
};
}
#endif