mirror of
https://github.com/holub/mame
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85ba2fde28
utf8_from_[a|w|t]string ==> osd::text::from_[a|w|t]string [a|w|t]string_from_utf8 ==> osd::text::to_[a|w|t]string
71 lines
2.0 KiB
C++
71 lines
2.0 KiB
C++
// license:BSD-3-Clause
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// copyright-holders:Aaron Giles, Vas Crabb
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//============================================================
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//
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// uimetrics.c - Win32 debug window handling
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//
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//============================================================
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#include "uimetrics.h"
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#include "strconv.h"
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ui_metrics::ui_metrics(osd_options const &options) :
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m_debug_font(nullptr),
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m_debug_font_height(0),
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m_debug_font_width(0),
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m_debug_font_ascent(0),
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m_hscroll_height(GetSystemMetrics(SM_CYHSCROLL)),
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m_vscroll_width(GetSystemMetrics(SM_CXVSCROLL))
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{
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// create a temporary DC
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HDC const temp_dc = GetDC(nullptr);
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if (temp_dc != nullptr)
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{
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float const size = options.debugger_font_size();
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char const *const face = options.debugger_font();
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// create a standard font
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auto t_face = osd::text::to_tstring((!*face || !strcmp(OSDOPTVAL_AUTO, face)) ? "Lucida Console" : face);
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m_debug_font = CreateFont(-MulDiv((size <= 0) ? 9 : size, GetDeviceCaps(temp_dc, LOGPIXELSY), 72), 0, 0, 0, FW_MEDIUM, FALSE, FALSE, FALSE,
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ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, FIXED_PITCH, t_face.c_str());
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if (m_debug_font == nullptr)
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fatalerror("Unable to create debugger font\n");
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// get the metrics
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HGDIOBJ const old_font = SelectObject(temp_dc, m_debug_font);
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TEXTMETRIC metrics;
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if (GetTextMetrics(temp_dc, &metrics))
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{
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m_debug_font_width = metrics.tmAveCharWidth;
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m_debug_font_height = metrics.tmHeight;
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m_debug_font_ascent = metrics.tmAscent + metrics.tmExternalLeading;
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}
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SelectObject(temp_dc, old_font);
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ReleaseDC(nullptr, temp_dc);
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}
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}
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ui_metrics::ui_metrics(ui_metrics const &that) :
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m_debug_font(nullptr),
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m_debug_font_height(that.m_debug_font_height),
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m_debug_font_width(that.m_debug_font_width),
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m_debug_font_ascent(that.m_debug_font_ascent),
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m_hscroll_height(that.m_hscroll_height),
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m_vscroll_width(that.m_vscroll_width)
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{
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LOGFONT lf;
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if (GetObject(that.m_debug_font, sizeof(lf), &lf))
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m_debug_font = CreateFontIndirect(&lf);
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}
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ui_metrics::~ui_metrics()
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{
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if (m_debug_font)
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DeleteObject(m_debug_font);
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}
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