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https://github.com/ONLYOFFICE/core.git
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53b2b3d793
git-svn-id: svn://fileserver/activex/AVS/Sources/TeamlabOffice/trunk/ServerComponents@57152 954022d7-b5bf-4e40-9824-e11837661b57
137 lines
3.6 KiB
C++
137 lines
3.6 KiB
C++
#pragma once
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#include <atlbase.h>
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#include <gdiplus.h>
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#pragma comment(lib, "gdiplus.lib")
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#import "../../../Redist/ASCGraphics.dll" rename_namespace("ASCGraphics")
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namespace _gdi_graphics_
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{
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std::pair<double,double> static GetMaxDigitSizePixelsImpl(const wchar_t * fontName, float fontSize, float dpi, long fontStyle)
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{
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CComPtr<ASCGraphics::IASCFontManager> fontMan;
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HRESULT hr;
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try
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{
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if (FAILED(hr = fontMan.CoCreateInstance(__uuidof(ASCGraphics::CASCFontManager))))
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throw;
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if (S_OK != (hr = fontMan->Initialize(L"")))
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throw;
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}
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catch(...)
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{
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return std::pair<double,double>(7,8);
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}
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if (S_OK != (hr = fontMan->LoadFontByName(fontName, fontSize, fontStyle, dpi, dpi )))
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{
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if (S_OK != (hr = fontMan->LoadFontByName(L"Arial", fontSize, fontStyle, dpi, dpi )))
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{
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return std::pair<double,double>(7,8);
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}
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}
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double maxWidth=0;
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std::wstring TestString = L"0123456789";
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if (S_OK != (hr = fontMan->LoadString2( TestString.c_str(), 0, 0)))
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return std::pair<double,double>(7,8);
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float x, y, width, height;
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try
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{
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hr = fontMan->MeasureString(&x, &y, &width, &height);
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}catch(...)
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{
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return std::pair<double,double>(7,8);
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}
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return std::pair<double,double>(width/10.,height/10.);
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}
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bool static GetResolution(const WCHAR* fileName, double & Width, double &Height) //pt
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{
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bool result =false;
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Gdiplus::GdiplusStartupInput gdiplusStartupInput;
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ULONG_PTR gdiplusToken=0;
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Gdiplus::GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL);
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Gdiplus::Bitmap *file = new Gdiplus::Bitmap(fileName,false);
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if ((file) && (file->GetLastStatus()==Gdiplus::Ok))
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{
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Height = file->GetHeight();
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Width = file->GetWidth();
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double dpi_x = file->GetHorizontalResolution();
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double dpi_y = file->GetVerticalResolution();
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if (dpi_x <1 )dpi_x = 96;
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if (dpi_y <1 )dpi_y = 96;
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Height = Height *72. / dpi_y;
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Width = Width * 72. /dpi_x;
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result = true;
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delete file;
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}
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Gdiplus::GdiplusShutdown(gdiplusToken);
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return result;
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}
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double static calculate_size_symbol(std::wstring name, double size, bool italic, bool bold, std::wstring test_str = L"")
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{
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double result =0;
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Gdiplus::GdiplusStartupInput gdiplusStartupInput;
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ULONG_PTR gdiplusToken=0;
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Gdiplus::GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL);
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////
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bool to_one_char = false;
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if (test_str.length() <1 )
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{
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test_str = L"0123456789";
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to_one_char = true;
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}
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int style = Gdiplus::FontStyleRegular;
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if (bold && italic) style = Gdiplus::FontStyleBoldItalic;
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else if (bold) style = Gdiplus::FontStyleBold;
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else if (italic) style = Gdiplus::FontStyleItalic;
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Gdiplus::Graphics * gr = new Gdiplus::Graphics(GetWindowDC(NULL));
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if (gr)
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{
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Gdiplus::Font *font = new Gdiplus::Font(name.c_str(),size,style);
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if (font)
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{
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Gdiplus::SizeF layout;
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Gdiplus::RectF bound;
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Gdiplus::Status res = gr->MeasureString(test_str.c_str(),test_str.length(),font,layout,&bound);
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if (res==0)result = (bound.Width - 2);
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if (to_one_char) result /= test_str.length();
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//normalize to dpi = 96;
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double dpi = gr->GetDpiX();
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result = result * 96./dpi;
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delete font;
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}
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delete gr;
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}
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Gdiplus::GdiplusShutdown(gdiplusToken);
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return result;
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}
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double static calculate_size_symbol_asc(std::wstring name, double size, bool italic, bool bold)
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{
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std::pair<float,float> val = GetMaxDigitSizePixelsImpl(name.c_str(), size, 96., 0);
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return val.first;
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}
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}; |