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9d7c9c1746
* [Screen Ruler] simplify lines calculation * [Screen Ruler] Add inches and centimeters support * [Chore] prefer x64 toolset to avoid hitting C1076 * [Screen Ruler] Allow making screenshots in non-continuous mode * [Screen Ruler] Use single d3d device for all ops * [Screen Ruler] remove gpu mutex and clean up screen capturing * [Screen Ruler] handle and log DXGI initialization failure * [Screen Ruler] Add unhandled exception handler * [Screen Ruler] comment out Units of Measure setting * [Screen Ruler] introduce a separate device dedicated for capturing
92 lines
2.5 KiB
C++
92 lines
2.5 KiB
C++
#include "pch.h"
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#include "Measurement.h"
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Measurement::Measurement(RECT winRect)
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{
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rect.left = static_cast<float>(winRect.left);
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rect.right = static_cast<float>(winRect.right);
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rect.top = static_cast<float>(winRect.top);
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rect.bottom = static_cast<float>(winRect.bottom);
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}
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Measurement::Measurement(D2D1_RECT_F d2dRect) :
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rect{ d2dRect }
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{
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}
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namespace
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{
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inline float Convert(const float pixels, const Measurement::Unit units)
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{
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switch (units)
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{
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case Measurement::Unit::Pixel:
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return pixels;
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case Measurement::Unit::Inch:
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return pixels / 96.f;
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case Measurement::Unit::Centimetre:
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return pixels / 96.f * 2.54f;
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default:
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return pixels;
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}
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}
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}
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inline float Measurement::Width(const Unit units) const
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{
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return Convert(rect.right - rect.left + 1.f, units);
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}
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inline float Measurement::Height(const Unit units) const
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{
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return Convert(rect.bottom - rect.top + 1.f, units);
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}
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Measurement::PrintResult Measurement::Print(wchar_t* buf,
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const size_t bufSize,
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const bool printWidth,
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const bool printHeight,
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const Unit units) const
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{
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PrintResult result;
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if (printWidth)
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{
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result.strLen += swprintf_s(buf,
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bufSize,
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L"%g",
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Width(units));
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if (printHeight)
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{
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result.crossSymbolPos = result.strLen + 1;
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result.strLen += swprintf_s(buf + result.strLen,
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bufSize - result.strLen,
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L" \x00D7 ");
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}
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}
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if (printHeight)
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{
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result.strLen += swprintf_s(buf + result.strLen,
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bufSize - result.strLen,
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L"%g",
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Height(units));
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}
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switch (units)
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{
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case Measurement::Unit::Inch:
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result.strLen += swprintf_s(buf + result.strLen,
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bufSize - result.strLen,
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L" in");
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break;
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case Measurement::Unit::Centimetre:
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result.strLen += swprintf_s(buf + result.strLen,
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bufSize - result.strLen,
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L" cm");
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break;
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}
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return result;
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}
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