rainmeter-studio/Library/MeterString.cpp

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/*
Copyright (C) 2001 Kimmo Pekkola
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
#include "StdAfx.h"
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#include "MeterString.h"
#include "Rainmeter.h"
#include "Measure.h"
#include "Error.h"
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#include "../Common/Gfx/Canvas.h"
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using namespace Gdiplus;
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#define PI (3.14159265f)
#define CONVERT_TO_DEGREES(X) ((X) * (180.0f / PI))
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void StringToUpper(std::wstring& str)
{
WCHAR* srcAndDest = &str[0];
int strAndDestLen = (int)str.length();
LCMapString(LOCALE_USER_DEFAULT, LCMAP_UPPERCASE, srcAndDest, strAndDestLen, srcAndDest, strAndDestLen);
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}
void StringToLower(std::wstring& str)
{
WCHAR* srcAndDest = &str[0];
int strAndDestLen = (int)str.length();
LCMapString(LOCALE_USER_DEFAULT, LCMAP_LOWERCASE, srcAndDest, strAndDestLen, srcAndDest, strAndDestLen);
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}
void StringToProper(std::wstring& str)
{
if (!str.empty())
{
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WCHAR* srcAndDest = &str[0];
LCMapString(LOCALE_USER_DEFAULT, LCMAP_UPPERCASE, srcAndDest, 1, srcAndDest, 1);
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for (size_t i = 1; i < str.length(); ++i)
{
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srcAndDest = &str[i];
LCMapString(LOCALE_USER_DEFAULT, (iswspace(str[i - 1]) > 0) ? LCMAP_UPPERCASE : LCMAP_LOWERCASE, srcAndDest, 1, srcAndDest, 1);
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}
}
}
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/*
** The constructor
**
*/
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MeterString::MeterString(MeterWindow* meterWindow, const WCHAR* name) : Meter(meterWindow, name),
m_Color(Color::White),
m_EffectColor(Color::Black),
m_AutoScale(AUTOSCALE_OFF),
m_Style(NORMAL),
m_Effect(EFFECT_NONE),
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m_Case(TEXTCASE_NONE),
m_FontSize(10),
m_Scale(1.0),
m_NoDecimals(true),
m_Percentual(true),
m_ClipType(CLIP_OFF),
m_NeedsClipping(false),
m_ClipStringW(-1),
m_ClipStringH(-1),
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m_TextFormat(meterWindow->GetCanvas().CreateTextFormat()),
m_NumOfDecimals(-1),
m_Angle()
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{
}
/*
** The destructor
**
*/
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MeterString::~MeterString()
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{
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delete m_TextFormat;
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m_TextFormat = nullptr;
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}
/*
** Returns the X-coordinate of the meter
**
*/
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int MeterString::GetX(bool abs)
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{
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int x = Meter::GetX();
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if (!abs)
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{
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switch (m_TextFormat->GetHorizontalAlignment())
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{
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case Gfx::HorizontalAlignment::Center:
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x -= m_W / 2;
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break;
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case Gfx::HorizontalAlignment::Right:
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x -= m_W;
break;
}
}
return x;
}
/*
** Returns the Y-coordinate of the meter
**
*/
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int MeterString::GetY(bool abs)
{
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int y = Meter::GetY();
if (!abs)
{
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switch (m_TextFormat->GetVerticalAlignment())
{
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case Gfx::VerticalAlignment::Center:
y -= m_H / 2;
break;
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case Gfx::VerticalAlignment::Bottom:
y -= m_H;
break;
}
}
return y;
}
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/*
** Create the font that is used to draw the text.
**
*/
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void MeterString::Initialize()
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{
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Meter::Initialize();
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m_TextFormat->SetProperties(
m_FontFace.c_str(),
m_FontSize,
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(m_Style & BOLD) != 0,
(m_Style & ITALIC) != 0,
m_MeterWindow->GetFontCollection());
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}
/*
** Read the options specified in the ini file.
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**
*/
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void MeterString::ReadOptions(ConfigParser& parser, const WCHAR* section)
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{
// Store the current font values so we know if the font needs to be updated
std::wstring oldFontFace = m_FontFace;
int oldFontSize = m_FontSize;
TEXTSTYLE oldStyle = m_Style;
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Meter::ReadOptions(parser, section);
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m_Color = parser.ReadColor(section, L"FontColor", Color::Black);
m_EffectColor = parser.ReadColor(section, L"FontEffectColor", Color::Black);
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m_Prefix = parser.ReadString(section, L"Prefix", L"");
m_Postfix = parser.ReadString(section, L"Postfix", L"");
m_Text = parser.ReadString(section, L"Text", L"");
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m_Percentual = parser.ReadBool(section, L"Percentual", false);
int clipping = parser.ReadInt(section, L"ClipString", 0);
switch (clipping)
{
case 2:
m_ClipType = CLIP_AUTO;
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m_ClipStringW = parser.ReadInt(section, L"ClipStringW", -1);
m_ClipStringH = parser.ReadInt(section, L"ClipStringH", -1);
break;
case 1:
m_ClipType = CLIP_ON;
break;
case 0:
m_ClipType = CLIP_OFF;
break;
default:
LogErrorF(this, L"ClipString=%s is not valid", clipping);
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}
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m_FontFace = parser.ReadString(section, L"FontFace", L"Arial");
if (m_FontFace.empty())
{
m_FontFace = L"Arial";
}
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m_FontSize = parser.ReadInt(section, L"FontSize", 10);
if (m_FontSize < 0)
{
m_FontSize = 10;
}
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m_NumOfDecimals = parser.ReadInt(section, L"NumOfDecimals", -1);
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m_Angle = (Gdiplus::REAL)parser.ReadFloat(section, L"Angle", 0.0);
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const std::wstring& autoscale = parser.ReadString(section, L"AutoScale", L"0");
int autoscaleValue = _wtoi(autoscale.c_str());
if (autoscaleValue == 0)
{
m_AutoScale = AUTOSCALE_OFF;
}
else
{
if (autoscale.find_last_of(L"kK") == std::wstring::npos)
{
m_AutoScale = (autoscaleValue == 2) ? AUTOSCALE_1000 : AUTOSCALE_1024;
}
else
{
m_AutoScale = (autoscaleValue == 2) ? AUTOSCALE_1000K : AUTOSCALE_1024K;
}
}
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const std::wstring& scale = parser.ReadString(section, L"Scale", L"1");
m_NoDecimals = (scale.find(L'.') == std::wstring::npos);
m_Scale = parser.ParseDouble(scale.c_str(), 1);
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const WCHAR* hAlign = parser.ReadString(section, L"StringAlign", L"LEFT").c_str();
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const WCHAR* vAlign = nullptr;
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if (_wcsnicmp(hAlign, L"LEFT", 4) == 0)
{
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m_TextFormat->SetHorizontalAlignment(Gfx::HorizontalAlignment::Left);
vAlign = hAlign + 4;
}
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else if (_wcsnicmp(hAlign, L"RIGHT", 5) == 0)
{
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m_TextFormat->SetHorizontalAlignment(Gfx::HorizontalAlignment::Right);
vAlign = hAlign + 5;
}
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else if (_wcsnicmp(hAlign, L"CENTER", 6) == 0)
{
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m_TextFormat->SetHorizontalAlignment(Gfx::HorizontalAlignment::Center);
vAlign = hAlign + 6;
}
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if (!vAlign || _wcsicmp(vAlign, L"TOP") == 0)
{
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m_TextFormat->SetVerticalAlignment(Gfx::VerticalAlignment::Top);
}
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else if (_wcsicmp(vAlign, L"BOTTOM") == 0)
{
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m_TextFormat->SetVerticalAlignment(Gfx::VerticalAlignment::Bottom);
}
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else if (_wcsicmp(vAlign, L"CENTER") == 0)
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{
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m_TextFormat->SetVerticalAlignment(Gfx::VerticalAlignment::Center);
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}
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const WCHAR* stringCase = parser.ReadString(section, L"StringCase", L"NONE").c_str();
if (_wcsicmp(stringCase, L"NONE") == 0)
{
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m_Case = TEXTCASE_NONE;
}
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else if (_wcsicmp(stringCase, L"UPPER") == 0)
{
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m_Case = TEXTCASE_UPPER;
}
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else if (_wcsicmp(stringCase, L"LOWER") == 0)
{
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m_Case = TEXTCASE_LOWER;
}
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else if (_wcsicmp(stringCase, L"PROPER") == 0)
{
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m_Case = TEXTCASE_PROPER;
}
else
{
LogErrorF(this, L"StringCase=%s is not valid", stringCase);
}
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const WCHAR* style = parser.ReadString(section, L"StringStyle", L"NORMAL").c_str();
if (_wcsicmp(style, L"NORMAL") == 0)
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{
m_Style = NORMAL;
}
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else if (_wcsicmp(style, L"BOLD") == 0)
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{
m_Style = BOLD;
}
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else if (_wcsicmp(style, L"ITALIC") == 0)
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{
m_Style = ITALIC;
}
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else if (_wcsicmp(style, L"BOLDITALIC") == 0)
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{
m_Style = BOLDITALIC;
}
else
{
LogErrorF(this, L"StringStyle=%s is not valid", style);
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}
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const WCHAR* effect = parser.ReadString(section, L"StringEffect", L"NONE").c_str();
if (_wcsicmp(effect, L"NONE") == 0)
{
m_Effect = EFFECT_NONE;
}
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else if (_wcsicmp(effect, L"SHADOW") == 0)
{
m_Effect = EFFECT_SHADOW;
}
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else if (_wcsicmp(effect, L"BORDER") == 0)
{
m_Effect = EFFECT_BORDER;
}
else
{
LogErrorF(this, L"StringEffect=%s is not valid", effect);
}
if (m_Initialized &&
(wcscmp(oldFontFace.c_str(), m_FontFace.c_str()) != 0 ||
oldFontSize != m_FontSize ||
oldStyle != m_Style))
{
Initialize(); // Recreate the font
}
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}
/*
** Updates the value(s) from the measures.
**
*/
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bool MeterString::Update()
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{
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if (Meter::Update())
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{
int decimals = (m_NumOfDecimals != -1) ? m_NumOfDecimals : (m_NoDecimals && (m_Percentual || m_AutoScale == AUTOSCALE_OFF)) ? 0 : 1;
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// Create the text
m_String = m_Prefix;
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if (!m_Measures.empty())
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{
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if (m_Text.empty())
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{
m_String += m_Measures[0]->GetStringOrFormattedValue(
m_AutoScale, m_Scale, decimals, m_Percentual);
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}
else
{
std::wstring tmpText = m_Text;
ReplaceMeasures(tmpText, m_AutoScale, m_Scale, decimals, m_Percentual);
m_String += tmpText;
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}
}
else
{
m_String += m_Text;
}
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if (!m_Postfix.empty()) m_String += m_Postfix;
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switch (m_Case)
{
case TEXTCASE_UPPER:
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StringToUpper(m_String);
break;
case TEXTCASE_LOWER:
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StringToLower(m_String);
break;
case TEXTCASE_PROPER:
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StringToProper(m_String);
break;
}
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for (size_t i = 0; i < m_String.length(); ++i)
{
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if (m_String[i] == L'\u00A0' || // No-Break Space
m_String[i] == L'\u205F') // Medium Mathematical Space
{
// Ugly hack to make D2D render trailing spaces followed by a non-breaking space
// correctly. By default, D2D ignores all trailing whitespace. Both GDI+ and D2D,
// however, acknowledge the presense of the zero-width space (and give it a width
// of 0px), so we append the zero-width space after each non-breaking space.
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++i;
m_String.insert(i, 1, L'\u200B');
}
else if (m_String[i] == L'\r')
{
// GDI+ seems to ignore carriage returns, so strip it entirely to make it behave
// similarly with D2D as well.
m_String.erase(i, 1);
--i;
}
}
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if (!m_WDefined || !m_HDefined)
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{
// Calculate the text size
RectF rect;
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if (DrawString(m_MeterWindow->GetCanvas(), &rect))
{
m_W = (int)rect.Width + GetWidthPadding();
m_H = (int)rect.Height + GetHeightPadding();
}
else
{
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m_W = 1;
m_H = 1;
}
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}
return true;
}
return false;
}
/*
** Draws the meter on the double buffer
**
*/
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bool MeterString::Draw(Gfx::Canvas& canvas)
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{
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if (!Meter::Draw(canvas)) return false;
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return DrawString(canvas, nullptr);
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}
/*
** Draws the string or calculates it's size
**
*/
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bool MeterString::DrawString(Gfx::Canvas& canvas, RectF* rect)
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{
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if (!m_TextFormat->IsInitialized()) return false;
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LPCWSTR string = m_String.c_str();
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UINT stringLen = (UINT)m_String.length();
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canvas.SetTextAntiAliasing(m_AntiAlias);
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m_TextFormat->SetTrimming(
m_ClipType == CLIP_ON ||
(m_ClipType == CLIP_AUTO && (m_NeedsClipping || (m_WDefined && m_HDefined))));
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Gdiplus::Rect meterRect = GetMeterRectPadding();
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if (rect)
{
rect->X = (REAL)meterRect.X;
rect->Y = (REAL)meterRect.Y;
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if (canvas.MeasureTextW(string, stringLen, *m_TextFormat, *rect) &&
m_ClipType == CLIP_AUTO)
{
// Set initial clipping
m_NeedsClipping = false;
REAL w, h;
bool updateSize = true;
if (m_WDefined)
{
w = (REAL)meterRect.Width;
h = rect->Height;
m_NeedsClipping = true;
}
else if (m_HDefined)
{
if (m_ClipStringW == -1)
{
// Text does not fit in defined height, clip it
if (rect->Height > (REAL)meterRect.Height)
{
m_NeedsClipping = true;
}
rect->Height = (REAL)meterRect.Height;
updateSize = false;
}
else
{
if (rect->Width > (REAL)m_ClipStringW)
{
w = (REAL)m_ClipStringW;
m_NeedsClipping = true;
}
else
{
w = rect->Width;
}
h = (REAL)meterRect.Height;
}
}
else
{
if (m_ClipStringW == -1)
{
// Clip text if already larger than ClipStringH
if (m_ClipStringH != -1 && rect->Height > (REAL)m_ClipStringH)
{
m_NeedsClipping = true;
rect->Height = (REAL)m_ClipStringH;
}
updateSize = false;
}
else
{
if (rect->Width > (REAL)m_ClipStringW)
{
w = (REAL)m_ClipStringW;
m_NeedsClipping = true;
}
else
{
w = rect->Width;
}
h = rect->Height;
}
}
if (updateSize)
{
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UINT lines = 0;
RectF layout((REAL)meterRect.X, (REAL)meterRect.Y, w, h);
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if (canvas.MeasureTextLinesW(string, stringLen, *m_TextFormat, layout, lines) &&
lines != 0)
{
rect->Width = w;
rect->Height = layout.Height;
if (m_HDefined || (m_ClipStringH != -1 && rect->Height > (REAL)m_ClipStringH))
{
rect->Height = m_HDefined ? (REAL)meterRect.Height : (REAL)m_ClipStringH;
}
}
}
}
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}
else
{
RectF rcDest((REAL)meterRect.X, (REAL)meterRect.Y, (REAL)meterRect.Width, (REAL)meterRect.Height);
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m_Rect = rcDest;
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if (m_Angle != 0.0f)
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{
const float baseX = (float)Meter::GetX();
canvas.RotateTransform(CONVERT_TO_DEGREES(m_Angle), baseX, (REAL)meterRect.Y, -baseX, -(REAL)meterRect.Y);
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}
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if (m_Effect != EFFECT_NONE)
{
SolidBrush solidBrush(m_EffectColor);
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RectF rcEffect(rcDest);
if (m_Effect == EFFECT_SHADOW)
{
rcEffect.Offset(1, 1);
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canvas.DrawTextW(string, (UINT)stringLen, *m_TextFormat, rcEffect, solidBrush);
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}
else //if (m_Effect == EFFECT_BORDER)
{
rcEffect.Offset(0, 1);
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canvas.DrawTextW(string, (UINT)stringLen, *m_TextFormat, rcEffect, solidBrush);
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rcEffect.Offset(1, -1);
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canvas.DrawTextW(string, (UINT)stringLen, *m_TextFormat, rcEffect, solidBrush);
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rcEffect.Offset(-1, -1);
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canvas.DrawTextW(string, (UINT)stringLen, *m_TextFormat, rcEffect, solidBrush);
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rcEffect.Offset(-1, 1);
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canvas.DrawTextW(string, (UINT)stringLen, *m_TextFormat, rcEffect, solidBrush);
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}
}
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SolidBrush solidBrush(m_Color);
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canvas.DrawTextW(string, (UINT)stringLen, *m_TextFormat, rcDest, solidBrush);
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if (m_Angle != 0.0f)
{
canvas.ResetTransform();
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}
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}
return true;
}
/*
** Overridden method. The string meters need not to be bound on anything
**
*/
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void MeterString::BindMeasures(ConfigParser& parser, const WCHAR* section)
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{
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if (BindPrimaryMeasure(parser, section, true))
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{
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BindSecondaryMeasures(parser, section);
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}
}
/*
** Static helper to log all installed font families.
**
*/
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void MeterString::EnumerateInstalledFontFamilies()
{
INT fontCount;
InstalledFontCollection fontCollection;
if (Ok == fontCollection.GetLastStatus())
{
fontCount = fontCollection.GetFamilyCount();
if (fontCount > 0)
{
INT fontFound;
FontFamily* fontFamilies = new FontFamily[fontCount];
if (Ok == fontCollection.GetFamilies(fontCount, fontFamilies, &fontFound))
{
std::wstring fonts;
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for (INT i = 0; i < fontCount; ++i)
{
WCHAR familyName[LF_FACESIZE];
if (Ok == fontFamilies[i].GetFamilyName(familyName))
{
fonts += familyName;
}
else
{
fonts += L"***";
}
fonts += L", ";
}
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LogWarning(fonts.c_str());
}
else
{
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LogError(L"Font enumeration: GetFamilies failed");
}
delete [] fontFamilies;
}
else
{
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LogWarning(L"No installed fonts");
}
}
else
{
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LogError(L"Font enumeration: InstalledFontCollection failed");
}
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}
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void MeterString::InitializeStatic()
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{
if (Rainmeter::GetInstance().GetDebug())
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{
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LogDebug(L"------------------------------");
LogDebug(L"* Font families:");
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EnumerateInstalledFontFamilies();
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LogDebug(L"------------------------------");
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}
}
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void MeterString::FinalizeStatic()
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{
}