Image ProjectExporter::rescaleImageForIcon (Drawable& d, const int size)
{
if (DrawableImage* drawableImage = dynamic_cast<DrawableImage*> (&d))
{
Image im = SoftwareImageType().convert (drawableImage->getImage());
if (size == im.getWidth() && size == im.getHeight())
return im;
// (scale it down in stages for better resampling)
while (im.getWidth() > 2 * size && im.getHeight() > 2 * size)
im = im.rescaled (im.getWidth() / 2,
im.getHeight() / 2);
Image newIm (Image::ARGB, size, size, true, SoftwareImageType());
Graphics g (newIm);
g.drawImageWithin (im, 0, 0, size, size,
RectanglePlacement::centred | RectanglePlacement::onlyReduceInSize, false);
return newIm;
}
Image im (Image::ARGB, size, size, true, SoftwareImageType());
Graphics g (im);
d.drawWithin (g, im.getBounds().toFloat(), RectanglePlacement::centred, 1.0f);
return im;
}
Image ProjectExporter::rescaleImageForIcon (Image im, const int size)
{
im = SoftwareImageType().convert (im);
if (size == im.getWidth() && size == im.getHeight())
return im;
// (scale it down in stages for better resampling)
while (im.getWidth() > 2 * size && im.getHeight() > 2 * size)
im = im.rescaled (im.getWidth() / 2,
im.getHeight() / 2);
Image newIm (Image::ARGB, size, size, true, SoftwareImageType());
Graphics g (newIm);
g.drawImageWithin (im, 0, 0, size, size,
RectanglePlacement::centred | RectanglePlacement::onlyReduceInSize, false);
return newIm;
}
LayerGraphicsBase::LayerGraphicsBase (
Graphics& g, Rectangle <int> const& fillBounds)
{
/* fillBounds cannot be empty. */
jassert (!fillBounds.isEmpty ());
LowLevelGraphicsSoftwareRenderer* renderer =
dynamic_cast <LowLevelGraphicsSoftwareRenderer*> (
&g.getInternalContext ());
/* If this goes off it means you aren't using the software renderer for your
Image!. LayerGraphics only works with the software renderer!
*/
jassert (renderer != nullptr);
RenderingHelpers::TranslationOrTransform const& transform = renderer->getTransform ();
/* If this goes off it means you have something other than a simple
translation in the transform. LayerGraphics does not support transforms other
than translations!
*/
jassert (transform.isOnlyTranslated);
m_base = renderer->getImage ();
Rectangle <int> const clipBounds (g.getClipBounds ().
translated (transform.xOffset, transform.yOffset));
jassert (m_base.getBounds ().contains (clipBounds));
m_fill = Image (Image::ARGB, fillBounds.getWidth (), fillBounds.getHeight (), true);
m_fillOrigin = fillBounds.getTopLeft ().translated (transform.xOffset, transform.yOffset);
Rectangle <int> const workBounds =
clipBounds.getIntersection (fillBounds.translated (transform.xOffset, transform.yOffset));
jassert (m_base.getBounds ().contains (workBounds));
m_work = Image (Image::RGB,
workBounds.getWidth (),
workBounds.getHeight(),
false,
SoftwareImageType ());
m_workOrigin = workBounds.getTopLeft ();
// Calculate the portion of m_fill which corresponds to m_work
m_fillBounds = workBounds -
fillBounds.getTopLeft ().translated (transform.xOffset, transform.yOffset);
jassert (m_fill.getBounds ().contains (m_fillBounds));
// Copy the base image into the work image.
copyImage (
m_work,
Point <int> (0, 0),
m_base,
Rectangle <int> (
m_workOrigin.getX (), m_workOrigin.getY (),
m_work.getWidth (), m_work.getHeight ()),
BlendMode::modeNormal,
1);
}
ImagePixelData::Ptr NativeImageType::create (Image::PixelFormat format, int width, int height, bool clearImage) const
{
return SoftwareImageType().create (format, width, height, clearImage);
}
