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Improvements of High DPI scaling on Windows.

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This commit is contained in:
bubnikv 2019-05-06 18:28:23 +02:00
parent 045879f68a
commit c9cd4818c7
9 changed files with 48 additions and 30 deletions
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27
src/slic3r/GUI/GUI_Utils.hpp
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@ -59,13 +59,16 @@ public:
: P(parent, id, title, pos, size, style, name)
{
m_scale_factor = (float)get_dpi_for_window(this) / (float)DPI_DEFAULT;
m_normal_font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
m_prev_scale_factor = m_scale_factor;
float scale_primary_display = (float)get_dpi_for_window(nullptr) / (float)DPI_DEFAULT;
m_normal_font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
if (std::abs(m_scale_factor - scale_primary_display) > 1e-6)
m_normal_font = m_normal_font.Scale(m_scale_factor / scale_primary_display);
// An analog of em_unit value from GUI_App.
m_em_unit = std::max<size_t>(10, 10 * m_scale_factor);
m_prev_scale_factor = m_scale_factor;
recalc_font();
// recalc_font();
this->Bind(EVT_DPI_CHANGED, [this](const DpiChangedEvent &evt) {
m_scale_factor = (float)evt.dpi / (float)DPI_DEFAULT;
@ -107,7 +110,7 @@ public:
float prev_scale_factor() const { return m_prev_scale_factor; }
int em_unit() const { return m_em_unit; }
int font_size() const { return m_font_size; }
// int font_size() const { return m_font_size; }
const wxFont& normal_font() const { return m_normal_font; }
protected:
@ -116,19 +119,19 @@ protected:
private:
float m_scale_factor;
int m_em_unit;
int m_font_size;
// int m_font_size;
wxFont m_normal_font;
float m_prev_scale_factor;
bool m_can_rescale{ true };
void recalc_font()
{
wxClientDC dc(this);
const auto metrics = dc.GetFontMetrics();
m_font_size = metrics.height;
// void recalc_font()
// {
// wxClientDC dc(this);
// const auto metrics = dc.GetFontMetrics();
// m_font_size = metrics.height;
// m_em_unit = metrics.averageWidth;
}
// }
// check if new scale is differ from previous
bool is_new_scale_factor() const { return fabs(m_scale_factor - m_prev_scale_factor) > 0.001; }