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Improved the drawing performance by using PixelFormat32bppPARGB instead of PixelFormat32bppARGB. (PARGB is faster than ARGB.)

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This commit is contained in:
spx
2011-01-06 01:44:09 +00:00
parent 7c09acb889
commit 89ea706055
3 changed files with 72 additions and 57 deletions
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111
Library/MeterWindow.cpp
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@ -245,7 +245,7 @@ int CMeterWindow::Initialize(CRainmeter& Rainmeter)
IgnoreAeroPeek();
// Gotta have some kind of buffer during initialization
m_DoubleBuffer = new Bitmap(1, 1, PixelFormat32bppARGB);
m_DoubleBuffer = new Bitmap(1, 1, PixelFormat32bppPARGB);
Refresh(true, true);
if (!m_WindowStartHidden)
@ -2233,7 +2233,12 @@ bool CMeterWindow::ResizeWindow(bool reset)
if (m_BackgroundMode == BGMODE_IMAGE)
{
m_Background = tempBackground->Clone(0, 0, m_BackgroundSize.cx, m_BackgroundSize.cy, PixelFormat32bppARGB);
PixelFormat format = tempBackground->GetPixelFormat();
if (format == PixelFormat32bppARGB)
{
format = PixelFormat32bppPARGB;
}
m_Background = tempBackground->Clone(0, 0, m_BackgroundSize.cx, m_BackgroundSize.cy, format);
}
else
{
@ -2241,7 +2246,7 @@ bool CMeterWindow::ResizeWindow(bool reset)
h = max(h, m_BackgroundSize.cy);
// Scale the background to fill the whole window
Bitmap* background = new Bitmap(w, h, PixelFormat32bppARGB);
Bitmap* background = new Bitmap(w, h, PixelFormat32bppPARGB);
Graphics graphics(background);
@ -2423,30 +2428,45 @@ void CMeterWindow::Redraw()
CreateRegion(true);
}
if (m_DoubleBuffer) delete m_DoubleBuffer;
if (m_WindowW == 0 || m_WindowH == 0)
// Create or clear the doublebuffer
{
// Create a dummy bitmap to avoid invalid state
m_DoubleBuffer = new Bitmap(1, 1, PixelFormat32bppARGB);
}
else
{
m_DoubleBuffer = new Bitmap(m_WindowW, m_WindowH, PixelFormat32bppARGB);
}
int cx = m_WindowW;
int cy = m_WindowH;
Graphics graphics(GetDoubleBuffer());
if (m_Background)
{
// Copy the background over the doublebuffer
Rect r(0, 0, m_WindowW, m_WindowH);
graphics.DrawImage(m_Background, r, 0, 0, m_Background->GetWidth(), m_Background->GetHeight(), UnitPixel);
}
else if (m_BackgroundMode == BGMODE_SOLID)
{
// Draw the solid color background
if (m_WindowW != 0 && m_WindowH != 0)
if (cx == 0 || cy == 0)
{
// Set dummy size to avoid invalid state
cx = 1;
cy = 1;
}
BitmapData buf;
if (cx != m_DoubleBuffer->GetWidth() || cy != m_DoubleBuffer->GetHeight() ||
Ok != m_DoubleBuffer->LockBits(&Rect(0, 0, cx, cy), ImageLockModeWrite, PixelFormat32bppPARGB, &buf))
{
if (m_DoubleBuffer) delete m_DoubleBuffer;
m_DoubleBuffer = new Bitmap(cx, cy, PixelFormat32bppPARGB);
}
else
{
memset(buf.Scan0, 0, buf.Stride * cy); // assume that the bitmap is top-down
m_DoubleBuffer->UnlockBits(&buf);
}
}
if (m_WindowW != 0 && m_WindowH != 0)
{
Graphics graphics(m_DoubleBuffer);
if (m_Background)
{
// Copy the background over the doublebuffer
Rect r(0, 0, m_WindowW, m_WindowH);
graphics.DrawImage(m_Background, r, 0, 0, m_Background->GetWidth(), m_Background->GetHeight(), UnitPixel);
}
else if (m_BackgroundMode == BGMODE_SOLID)
{
// Draw the solid color background
Rect r(0, 0, m_WindowW, m_WindowH);
if (m_SolidColor.GetA() != 0 || m_SolidColor2.GetA() != 0)
@ -2479,28 +2499,28 @@ void CMeterWindow::Redraw()
CMeter::DrawBevel(graphics, r, light, dark);
}
}
}
// Draw the meters
std::list<CMeter*>::const_iterator j = m_Meters.begin();
for( ; j != m_Meters.end(); ++j)
{
if (!(*j)->GetTransformationMatrix().IsIdentity())
// Draw the meters
std::list<CMeter*>::const_iterator j = m_Meters.begin();
for( ; j != m_Meters.end(); ++j)
{
// Change the world matrix
graphics.SetTransform(&((*j)->GetTransformationMatrix()));
if (!(*j)->GetTransformationMatrix().IsIdentity())
{
// Change the world matrix
graphics.SetTransform(&((*j)->GetTransformationMatrix()));
(*j)->Draw(graphics);
(*j)->Draw(graphics);
// Set back to identity matrix
graphics.ResetTransform();
}
else
{
(*j)->Draw(graphics);
// Set back to identity matrix
graphics.ResetTransform();
}
else
{
(*j)->Draw(graphics);
}
}
}
if (m_ResetRegion) CreateRegion(false);
m_ResetRegion = false;
@ -2726,19 +2746,14 @@ void CMeterWindow::UpdateTransparency(int alpha, bool reset)
BLENDFUNCTION blendPixelFunction= {AC_SRC_OVER, 0, alpha, AC_SRC_ALPHA};
POINT ptWindowScreenPosition = {m_ScreenX, m_ScreenY};
POINT ptSrc = {0, 0};
SIZE szWindow;
SIZE szWindow = {m_WindowW, m_WindowH};
if (m_WindowW == 0 || m_WindowH == 0)
if (szWindow.cx == 0 || szWindow.cy == 0)
{
// Set dummy size to avoid invalid state
szWindow.cx = 1;
szWindow.cy = 1;
}
else
{
szWindow.cx = m_WindowW;
szWindow.cy = m_WindowH;
}
HDC dcScreen = GetDC(0);
HDC dcMemory = CreateCompatibleDC(dcScreen);
@ -3095,7 +3110,7 @@ bool CMeterWindow::HitTest(int x, int y)
{
Color color;
Status status = m_DoubleBuffer->GetPixel(x, y, &color);
if (status != Ok || color.GetA() > 0)
if (status != Ok || color.GetA() != 0)
{
return true;
}