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added convert rect

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This commit is contained in:
seraphima
2024-06-23 23:11:24 +02:00
parent 77c59faa8a
commit 5e012b8891
2 changed files with 21 additions and 0 deletions
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20
src/common/Display/dpi_aware.cpp
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@@ -1,7 +1,9 @@
#include "dpi_aware.h" #include "dpi_aware.h"
#include "monitors.h" #include "monitors.h"
#include <ShellScalingApi.h> #include <ShellScalingApi.h>
#include <array> #include <array>
#include <cmath>
namespace DPIAware namespace DPIAware
{ {
@@ -60,6 +62,24 @@ namespace DPIAware
} }
} }
void Convert(HMONITOR monitor_handle, RECT& rect)
{
if (monitor_handle == NULL)
{
const POINT ptZero = { 0, 0 };
monitor_handle = MonitorFromPoint(ptZero, MONITOR_DEFAULTTOPRIMARY);
}
UINT dpi_x, dpi_y;
if (GetDpiForMonitor(monitor_handle, MDT_EFFECTIVE_DPI, &dpi_x, &dpi_y) == S_OK)
{
rect.left = static_cast<long>(std::round(rect.left * static_cast<float>(dpi_x) / DEFAULT_DPI));
rect.right = static_cast<long>(std::round(rect.right * static_cast<float>(dpi_x) / DEFAULT_DPI));
rect.top = static_cast<long>(std::round(rect.top * static_cast<float>(dpi_y) / DEFAULT_DPI));
rect.bottom = static_cast<long>(std::round(rect.bottom * static_cast<float>(dpi_y) / DEFAULT_DPI));
}
}
void ConvertByCursorPosition(float& width, float& height) void ConvertByCursorPosition(float& width, float& height)
{ {
HMONITOR targetMonitor = nullptr; HMONITOR targetMonitor = nullptr;

1
src/common/Display/dpi_aware.h
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@@ -12,6 +12,7 @@ namespace DPIAware
HRESULT GetScreenDPIForPoint(POINT p, UINT& dpi); HRESULT GetScreenDPIForPoint(POINT p, UINT& dpi);
HRESULT GetScreenDPIForCursor(UINT& dpi); HRESULT GetScreenDPIForCursor(UINT& dpi);
void Convert(HMONITOR monitor_handle, float& width, float& height); void Convert(HMONITOR monitor_handle, float& width, float& height);
void Convert(HMONITOR monitor_handle, RECT& rect);
void ConvertByCursorPosition(float& width, float& height); void ConvertByCursorPosition(float& width, float& height);
void InverseConvert(HMONITOR monitor_handle, float& width, float& height); void InverseConvert(HMONITOR monitor_handle, float& width, float& height);
void EnableDPIAwarenessForThisProcess(); void EnableDPIAwarenessForThisProcess();