/*
** Draws the string or calculates it's size
**
*/
bool MeterString::DrawString(Gfx::Canvas& canvas, RectF* rect)
{
if (!m_TextFormat->IsInitialized()) return false;
LPCWSTR string = m_String.c_str();
UINT stringLen = (UINT)m_String.length();
canvas.SetTextAntiAliasing(m_AntiAlias);
m_TextFormat->SetTrimming(
m_ClipType == CLIP_ON ||
(m_ClipType == CLIP_AUTO && (m_NeedsClipping || (m_WDefined && m_HDefined))));
Gdiplus::Rect meterRect = GetMeterRectPadding();
if (rect)
{
rect->X = (REAL)meterRect.X;
rect->Y = (REAL)meterRect.Y;
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)
{
UINT lines = 0;
RectF layout((REAL)meterRect.X, (REAL)meterRect.Y, w, h);
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;
}
}
}
}
}
else
{
RectF rcDest((REAL)meterRect.X, (REAL)meterRect.Y, (REAL)meterRect.Width, (REAL)meterRect.Height);
m_Rect = rcDest;
if (m_Angle != 0.0f)
{
const float baseX = (float)Meter::GetX();
canvas.RotateTransform(CONVERT_TO_DEGREES(m_Angle), baseX, (REAL)meterRect.Y, -baseX, -(REAL)meterRect.Y);
}
if (m_Effect != EFFECT_NONE)
{
SolidBrush solidBrush(m_EffectColor);
RectF rcEffect(rcDest);
if (m_Effect == EFFECT_SHADOW)
{
rcEffect.Offset(1, 1);
canvas.DrawTextW(string, (UINT)stringLen, *m_TextFormat, rcEffect, solidBrush);
}
else //if (m_Effect == EFFECT_BORDER)
{
rcEffect.Offset(0, 1);
canvas.DrawTextW(string, (UINT)stringLen, *m_TextFormat, rcEffect, solidBrush);
rcEffect.Offset(1, -1);
canvas.DrawTextW(string, (UINT)stringLen, *m_TextFormat, rcEffect, solidBrush);
rcEffect.Offset(-1, -1);
canvas.DrawTextW(string, (UINT)stringLen, *m_TextFormat, rcEffect, solidBrush);
rcEffect.Offset(-1, 1);
canvas.DrawTextW(string, (UINT)stringLen, *m_TextFormat, rcEffect, solidBrush);
}
}
SolidBrush solidBrush(m_Color);
canvas.DrawTextW(string, (UINT)stringLen, *m_TextFormat, rcDest, solidBrush);
if (m_Angle != 0.0f)
{
canvas.ResetTransform();
}
}
return true;
}
