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1 #pragma once
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2 #include <GdiPlus.h>
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3 #include <functional>
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4 #include <memory>
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5
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6 #include "win32_op.h"
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7 #include "win32_utility.h"
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8
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9 class GdiplusErrorHandler {
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10 public:
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11 static void Handle(Gdiplus::Status code);
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12 void operator<<(Gdiplus::Status p_code) {Handle(p_code);}
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13 };
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14
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15 class GdiplusScope {
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16 public:
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17 GdiplusScope() {
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18 Gdiplus::GdiplusStartupInput input;
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19 Gdiplus::GdiplusStartupOutput output;
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20 GdiplusErrorHandler() << Gdiplus::GdiplusStartup(&m_token,&input,&output);
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21 }
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22 ~GdiplusScope() {
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23 Gdiplus::GdiplusShutdown(m_token);
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24 }
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25 static void Once();
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26 private:
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27 GdiplusScope( const GdiplusScope & ) = delete;
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28 void operator=( const GdiplusScope & ) = delete;
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29
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30 ULONG_PTR m_token = 0;
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31 };
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32
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33 typedef std::function<void(Gdiplus::Bitmap*) > GdiplusBitmapTransform_t;
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34
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35 struct GdiplusIconArg_t {
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36 CSize size = CSize(0,0);
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37 GdiplusBitmapTransform_t transform = nullptr;
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38 };
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39
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40 HBITMAP GdiplusLoadBitmap(UINT id, const TCHAR* resType, CSize size);
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41 std::unique_ptr<Gdiplus::Image> GdiplusImageFromMem(const void* ptr, size_t bytes);
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42 std::unique_ptr<Gdiplus::Bitmap> GdiplusResizeImage(Gdiplus::Image* source, CSize size, Gdiplus::PixelFormat pf = PixelFormat32bppARGB);
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43 HICON GdiplusLoadIconFromMem(const void* ptr, size_t bytes, CSize size);
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44 HICON GdiplusLoadIcon(UINT id, const TCHAR* resType, CSize size);
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45 HICON GdiplusLoadIconEx(UINT id, const TCHAR* resType, GdiplusIconArg_t const & arg);
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46 HICON GdiplusLoadPNGIcon(UINT id, CSize size);
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47 HICON LoadPNGIcon(UINT id, CSize size);
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48
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49 void GdiplusLoadButtonPNG(CIcon& icon, HWND btn_, UINT image, GdiplusBitmapTransform_t transform = nullptr);
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50 std::unique_ptr<Gdiplus::Bitmap> GdiplusLoadResource(UINT id, const TCHAR* resType);
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51 std::unique_ptr<Gdiplus::Bitmap> GdiplusLoadResourceAsSize(UINT id, const TCHAR* resType, CSize size);
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52 void GdiplusDimImage(Gdiplus::Bitmap* bmp);
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53 void GdiplusInvertImage(Gdiplus::Bitmap* bmp);
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