GraphicsContext.h

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#pragma once
#include "Common.h"
#include "Graphics.h"

class GraphicsContext
{
 
    static IStream* CreateStreamFromMemory(const BYTE* buffer, size_t size);
 
public:

    static void initGdiPlus();

    static void terminateGdiPlus();

    static Gdiplus::Image* imageFileToImage(const wstring& filePath);

    static Gdiplus::Image* imageBytesToImage(const BYTE* imageBytes, size_t size);

    static Gdiplus::Image* imageResourceToImage(HINSTANCE hInst, int resourceID, const ImageType& imageType);

    static void drawImageFile(Graphics *g, Bounds rect, const wstring& filePath,
                              const ImageAlignment& alignment = ImageAlignment::TOPCENTER, BOOL showBorder = FALSE);

    static void drawImage(Graphics *g, Bounds rect, Gdiplus::Image* image,
                        const ImageAlignment& alignment = ImageAlignment::TOPCENTER, BOOL showBorder = FALSE);

    static void drawImageBytes(Graphics *g, Bounds rect, const BYTE* imageBytes, size_t size,
        const ImageAlignment& alignment = ImageAlignment::TOPCENTER, BOOL showBorder = FALSE);

    static void drawImageResource(Graphics *g, Bounds rect, int resourceID, const ImageType& imageType,
        const ImageAlignment& alignment = ImageAlignment::TOPCENTER, BOOL showBorder = FALSE);

    static void linearGradient(Graphics *g, Bounds rect, int startR, int startG, int startB, 
                                int endR, int endG, int endB, 
                                int startAlpha = 0, int endAlpha = 0, BOOL directionVertical = TRUE,
                                const wstring& text = L"", int textR = 0, int textG = 0, int textB = 0);
};