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RenderingHelpers: Move drawGlyph to a common location

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reuk 2024-03-05 12:50:01 +00:00
parent 722ff41d66
commit 72819437e7
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2 changed files with 39 additions and 91 deletions
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87
modules/juce_graphics/native/juce_RenderingHelpers.h
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@ -230,48 +230,6 @@ private:
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (GlyphCache)
};
template <typename Context>
void drawGlyphImpl (Context& context, int glyphNumber, const AffineTransform& trans)
{
using EdgeTableRegionType = typename Context::EdgeTableRegionType;
if (context.clip == nullptr)
return;
if (trans.isOnlyTranslation() && ! context.transform.isRotated)
{
auto& cache = RenderingHelpers::GlyphCache::getInstance();
const Point pos (trans.getTranslationX(), trans.getTranslationY());
if (context.transform.isOnlyTranslated)
{
cache.drawGlyph (context, context.font, glyphNumber, pos + context.transform.offset.toFloat());
}
else
{
auto f = context.font;
f.setHeight (f.getHeight() * context.transform.complexTransform.mat11);
auto xScale = context.transform.complexTransform.mat00 / context.transform.complexTransform.mat11;
if (std::abs (xScale - 1.0f) > 0.01f)
f.setHorizontalScale (xScale);
cache.drawGlyph (context, f, glyphNumber, context.transform.transformed (pos));
}
}
else
{
const auto fontHeight = context.font.getHeight();
const auto fontTransform = AffineTransform::scale (fontHeight * context.font.getHorizontalScale(),
fontHeight).followedBy (trans);
const auto fullTransform = context.transform.getTransformWith (fontTransform);
if (auto et = rawToUniquePtr (context.font.getTypefacePtr()->getEdgeTableForGlyph (glyphNumber, fullTransform, fontHeight)))
context.fillShape (*new EdgeTableRegionType (*et), false);
}
}
//==============================================================================
/** Calculates the alpha values and positions for rendering the edges of a
non-pixel-aligned rectangle.
@ -2489,11 +2447,6 @@ public:
}
//==============================================================================
void drawGlyph (int glyphNumber, const AffineTransform& trans)
{
drawGlyphImpl (*this, glyphNumber, trans);
}
Rectangle<int> getMaximumBounds() const { return image.getBounds(); }
//==============================================================================
@ -2642,11 +2595,49 @@ public:
void fillRectList (const RectangleList<float>& list) override { stack->fillRectList (list); }
void fillPath (const Path& path, const AffineTransform& t) override { stack->fillPath (path, t); }
void drawImage (const Image& im, const AffineTransform& t) override { stack->drawImage (im, t); }
void drawGlyph (int i, const AffineTransform& t) override { stack->drawGlyph (i, t); }
void drawLine (const Line<float>& line) override { stack->drawLine (line); }
void setFont (const Font& newFont) override { stack->font = newFont; }
const Font& getFont() override { return stack->font; }
void drawGlyph (int glyphNumber, const AffineTransform& trans) override
{
if (stack->clip == nullptr)
return;
if (trans.isOnlyTranslation() && ! stack->transform.isRotated)
{
auto& cache = RenderingHelpers::GlyphCache::getInstance();
const Point pos (trans.getTranslationX(), trans.getTranslationY());
if (stack->transform.isOnlyTranslated)
{
cache.drawGlyph (*stack, stack->font, glyphNumber, pos + stack->transform.offset.toFloat());
}
else
{
auto f = stack->font;
f.setHeight (f.getHeight() * stack->transform.complexTransform.mat11);
auto xScale = stack->transform.complexTransform.mat00 / stack->transform.complexTransform.mat11;
if (std::abs (xScale - 1.0f) > 0.01f)
f.setHorizontalScale (xScale);
cache.drawGlyph (*stack, f, glyphNumber, stack->transform.transformed (pos));
}
}
else
{
const auto fontHeight = stack->font.getHeight();
const auto fontTransform = AffineTransform::scale (fontHeight * stack->font.getHorizontalScale(),
fontHeight).followedBy (trans);
const auto fullTransform = stack->transform.getTransformWith (fontTransform);
if (auto et = rawToUniquePtr (stack->font.getTypefacePtr()->getEdgeTableForGlyph (glyphNumber, fullTransform, fontHeight)))
stack->fillShape (*new ClipRegions::EdgeTableRegion<SavedStateType> (*et), false);
}
}
protected:
StackBasedLowLevelGraphicsContext (SavedStateType* initialState) : stack (initialState) {}
StackBasedLowLevelGraphicsContext() = default;