static float getAverageY (const Font& font, const char* chars, bool getTop)
{
GlyphArrangement ga;
ga.addLineOfText (font, chars, 0, 0);
Array<float> y;
DefaultElementComparator<float> sorter;
for (int i = 0; i < ga.getNumGlyphs(); ++i)
{
Path p;
ga.getGlyph (i).createPath (p);
Rectangle<float> bounds (p.getBounds());
if (! p.isEmpty())
y.addSorted (sorter, getTop ? bounds.getY() : bounds.getBottom());
}
float median = y[y.size() / 2];
float total = 0;
int num = 0;
for (int i = 0; i < y.size(); ++i)
{
if (std::abs (median - y.getUnchecked(i)) < 0.05f * (float) standardHeight)
{
total += y.getUnchecked(i);
++num;
}
}
return num < 4 ? 0.0f : total / (num * (float) standardHeight);
}
void paint (Graphics& g) override
{
double startTime = 0.0;
{
// A ScopedSaveState will return the Graphics context to the state it was at the time of
// construction when it goes out of scope. We use it here to avoid clipping the fps text
const Graphics::ScopedSaveState state (g);
if (controls.clipToRectangle.getToggleState()) clipToRectangle (g);
if (controls.clipToPath .getToggleState()) clipToPath (g);
if (controls.clipToImage .getToggleState()) clipToImage (g);
g.setImageResamplingQuality (controls.quality.getToggleState() ? Graphics::highResamplingQuality
: Graphics::mediumResamplingQuality);
// take a note of the time before the render
startTime = Time::getMillisecondCounterHiRes();
// then let the demo draw itself..
drawDemo (g);
}
double now = Time::getMillisecondCounterHiRes();
double filtering = 0.08;
const double elapsedMs = now - startTime;
averageTimeMs += (elapsedMs - averageTimeMs) * filtering;
const double sinceLastRender = now - lastRenderStartTime;
lastRenderStartTime = now;
const double effectiveFPS = 1000.0 / averageTimeMs;
const double actualFPS = sinceLastRender > 0 ? (1000.0 / sinceLastRender) : 0;
averageActualFPS += (actualFPS - averageActualFPS) * filtering;
GlyphArrangement ga;
ga.addFittedText (displayFont,
"Time: " + String (averageTimeMs, 2)
+ " ms\nEffective FPS: " + String (effectiveFPS, 1)
+ "\nActual FPS: " + String (averageActualFPS, 1),
0, 10.0f, getWidth() - 10.0f, (float) getHeight(), Justification::topRight, 3);
g.setColour (Colours::white.withAlpha (0.5f));
g.fillRect (ga.getBoundingBox (0, ga.getNumGlyphs(), true).getSmallestIntegerContainer().expanded (4));
g.setColour (Colours::black);
ga.draw (g);
}
void Graphics::drawText (const String& text, const Rectangle<float>& area,
Justification justificationType, bool useEllipsesIfTooBig) const
{
if (text.isNotEmpty() && context.clipRegionIntersects (area.getSmallestIntegerContainer()))
{
GlyphArrangement arr;
arr.addCurtailedLineOfText (context.getFont(), text, 0.0f, 0.0f,
area.getWidth(), useEllipsesIfTooBig);
arr.justifyGlyphs (0, arr.getNumGlyphs(),
area.getX(), area.getY(), area.getWidth(), area.getHeight(),
justificationType);
arr.draw (*this);
}
}
void Graphics::drawText (const String& text,
const int x, const int y, const int width, const int height,
const Justification& justificationType,
const bool useEllipsesIfTooBig) const
{
if (text.isNotEmpty() && context->clipRegionIntersects (Rectangle<int> (x, y, width, height)))
{
GlyphArrangement arr;
arr.addCurtailedLineOfText (context->getFont(), text,
0.0f, 0.0f, (float) width,
useEllipsesIfTooBig);
arr.justifyGlyphs (0, arr.getNumGlyphs(),
(float) x, (float) y, (float) width, (float) height,
justificationType);
arr.draw (*this);
}
}
