mirror/JUCE
1
0
Fork 0
mirror of https://github.com/juce-framework/JUCE.git synced 2026-01-10 23:44:24 +00:00
Code Activity

Direct2D: Add initial support

Browse source
This commit is contained in:
reuk 2024-04-15 19:15:28 +01:00
parent 0e6a358c45
commit 19061e6d17
No known key found for this signature in database
GPG key ID: FCB43929F012EE5C
83 changed files with 8182 additions and 1558 deletions
Download patch file Download diff file Expand all files Collapse all files

96
modules/juce_gui_basics/components/juce_Component.cpp
View file

@ -505,67 +505,6 @@ bool Component::isOpaque() const noexcept
}
//==============================================================================
struct StandardCachedComponentImage final : public CachedComponentImage
{
StandardCachedComponentImage (Component& c) noexcept : owner (c) {}
void paint (Graphics& g) override
{
scale = g.getInternalContext().getPhysicalPixelScaleFactor();
auto compBounds = owner.getLocalBounds();
auto imageBounds = compBounds * scale;
if (image.isNull() || image.getBounds() != imageBounds)
{
image = Image (owner.isOpaque() ? Image::RGB
: Image::ARGB,
jmax (1, imageBounds.getWidth()),
jmax (1, imageBounds.getHeight()),
! owner.isOpaque());
validArea.clear();
}
if (! validArea.containsRectangle (compBounds))
{
Graphics imG (image);
auto& lg = imG.getInternalContext();
lg.addTransform (AffineTransform::scale (scale));
for (auto& i : validArea)
lg.excludeClipRectangle (i);
if (! owner.isOpaque())
{
lg.setFill (Colours::transparentBlack);
lg.fillRect (compBounds, true);
lg.setFill (Colours::black);
}
owner.paintEntireComponent (imG, true);
}
validArea = compBounds;
g.setColour (Colours::black.withAlpha (owner.getAlpha()));
g.drawImageTransformed (image, AffineTransform::scale ((float) compBounds.getWidth() / (float) imageBounds.getWidth(),
(float) compBounds.getHeight() / (float) imageBounds.getHeight()), false);
}
bool invalidateAll() override { validArea.clear(); return true; }
bool invalidate (const Rectangle<int>& area) override { validArea.subtract (area); return true; }
void releaseResources() override { image = Image(); }
private:
Image image;
RectangleList<int> validArea;
Component& owner;
float scale = 1.0f;
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (StandardCachedComponentImage)
};
void Component::setCachedComponentImage (CachedComponentImage* newCachedImage)
{
if (cachedImage.get() != newCachedImage)
@ -581,12 +520,12 @@ void Component::setBufferedToImage (bool shouldBeBuffered)
// so by calling setBufferedToImage, you'll be deleting the custom one - this is almost certainly
// not what you wanted to happen... If you really do know what you're doing here, and want to
// avoid this assertion, just call setCachedComponentImage (nullptr) before setBufferedToImage().
jassert (cachedImage == nullptr || dynamic_cast<StandardCachedComponentImage*> (cachedImage.get()) != nullptr);
jassert (cachedImage == nullptr || dynamic_cast<detail::StandardCachedComponentImage*> (cachedImage.get()) != nullptr);
if (shouldBeBuffered)
{
if (cachedImage == nullptr)
cachedImage.reset (new StandardCachedComponentImage (*this));
cachedImage = std::make_unique<detail::StandardCachedComponentImage> (*this);
}
else
{
@ -1673,6 +1612,20 @@ void Component::paintWithinParentContext (Graphics& g)
void Component::paintComponentAndChildren (Graphics& g)
{
#if JUCE_ETW_TRACELOGGING
{
int depth = 0;
auto parent = getParentComponent();
while (parent)
{
parent = parent->getParentComponent();
depth++;
}
JUCE_TRACE_LOG_PAINT_COMPONENT_AND_CHILDREN (depth);
}
#endif
auto clipBounds = g.getClipBounds();
if (flags.dontClipGraphicsFlag && getNumChildComponents() == 0)
@ -1756,12 +1709,25 @@ void Component::paintEntireComponent (Graphics& g, bool ignoreAlphaLevel)
auto scaledBounds = getLocalBounds() * scale;
Image effectImage (flags.opaqueFlag ? Image::RGB : Image::ARGB,
scaledBounds.getWidth(), scaledBounds.getHeight(), ! flags.opaqueFlag);
// Store the effect image in the image cache to avoid recreating it every time
auto imageFormat = flags.opaqueFlag ? Image::RGB : Image::ARGB;
int64 imageHashCode = scaledBounds.getWidth() | ((int64) scaledBounds.getHeight() << 24) | ((int64) imageFormat << 56);
auto effectImage = ImageCache::getFromHashCode (imageHashCode);
if (effectImage.isNull())
{
effectImage = Image { imageFormat, scaledBounds.getWidth(), scaledBounds.getHeight(), ! flags.opaqueFlag };
ImageCache::addImageToCache (effectImage, imageHashCode);
}
effectImage.clear (effectImage.getBounds(), (imageFormat == Image::ARGB) ? Colours::transparentBlack : Colours::black);
{
Graphics g2 (effectImage);
g2.addTransform (AffineTransform::scale ((float) scaledBounds.getWidth() / (float) getWidth(),
(float) scaledBounds.getHeight() / (float) getHeight()));
paintComponentAndChildren (g2);
}