String SVGTransformList::valueAsString() const
{
// TODO: We may want to build a real transform string, instead of concatting to a matrix(...).
SVGTransform transform = concatenate();
if (transform.type() == SVGTransform::SVG_TRANSFORM_MATRIX) {
TransformationMatrix matrix = transform.matrix();
return String::format("matrix(%f %f %f %f %f %f)", matrix.a(), matrix.b(), matrix.c(), matrix.d(), matrix.e(), matrix.f());
}
return String();
}
void PrintTo(const AnimatableTransform& animTransform, ::std::ostream* os)
{
TransformOperations ops = animTransform.transformOperations();
*os << "AnimatableTransform(";
// FIXME: TransformOperations should really have it's own pretty-printer
// then we could just call that.
// FIXME: Output useful names not just the raw matrixes.
for (unsigned i = 0; i < ops.size(); i++) {
const TransformOperation* op = ops.at(i);
TransformationMatrix matrix;
op->apply(matrix, FloatSize(1.0, 1.0));
*os << "[";
if (matrix.isAffine()) {
*os << matrix.a();
*os << " " << matrix.b();
*os << " " << matrix.c();
*os << " " << matrix.d();
*os << " " << matrix.e();
*os << " " << matrix.f();
} else {
*os << matrix.m11();
*os << " " << matrix.m12();
*os << " " << matrix.m13();
*os << " " << matrix.m14();
*os << " ";
*os << " " << matrix.m21();
*os << " " << matrix.m22();
*os << " " << matrix.m23();
*os << " " << matrix.m24();
*os << " ";
*os << " " << matrix.m31();
*os << " " << matrix.m32();
*os << " " << matrix.m33();
*os << " " << matrix.m34();
*os << " ";
*os << " " << matrix.m41();
*os << " " << matrix.m42();
*os << " " << matrix.m43();
*os << " " << matrix.m44();
}
*os << "]";
if (i < ops.size() - 1)
*os << ", ";
}
*os << ")";
}
void Image::drawPattern(GraphicsContext* context, const FloatRect& tileRect, const TransformationMatrix& patternTransform,
const FloatPoint& phase, CompositeOperator op, const FloatRect& destRect)
{
cairo_surface_t* image = nativeImageForCurrentFrame();
if (!image) // If it's too early we won't have an image yet.
return;
cairo_t* cr = context->platformContext();
context->save();
IntRect imageSize = enclosingIntRect(tileRect);
OwnPtr<ImageBuffer> imageSurface = ImageBuffer::create(imageSize.size(), false);
if (!imageSurface)
return;
if (tileRect.size() != size()) {
cairo_t* clippedImageContext = imageSurface->context()->platformContext();
cairo_set_source_surface(clippedImageContext, image, -tileRect.x(), -tileRect.y());
cairo_paint(clippedImageContext);
image = imageSurface->image()->nativeImageForCurrentFrame();
}
cairo_pattern_t* pattern = cairo_pattern_create_for_surface(image);
cairo_pattern_set_extend(pattern, CAIRO_EXTEND_REPEAT);
// Workaround to avoid the unwanted gradient effect (#14017)
cairo_pattern_set_filter(pattern, CAIRO_FILTER_NEAREST);
cairo_matrix_t pattern_matrix = cairo_matrix_t(patternTransform);
cairo_matrix_t phase_matrix = {1, 0, 0, 1, phase.x() + tileRect.x() * patternTransform.a(), phase.y() + tileRect.y() * patternTransform.d()};
cairo_matrix_t combined;
cairo_matrix_multiply(&combined, &pattern_matrix, &phase_matrix);
cairo_matrix_invert(&combined);
cairo_pattern_set_matrix(pattern, &combined);
context->setCompositeOperation(op);
cairo_set_source(cr, pattern);
cairo_pattern_destroy(pattern);
cairo_rectangle(cr, destRect.x(), destRect.y(), destRect.width(), destRect.height());
cairo_fill(cr);
context->restore();
if (imageObserver())
imageObserver()->didDraw(this);
}
void Image::drawPattern(GraphicsContext *gc, const FloatRect& srcRect, const AffineTransform& patternTransform,
const FloatPoint& phase, ColorSpace, CompositeOperator, const FloatRect& destRect, BlendMode)
{
JNIEnv* env = WebCore_GetJavaEnv();
if (!gc || gc->paintingDisabled() || srcRect.isEmpty()) {
return;
}
NativeImagePtr currFrame = nativeImageForCurrentFrame();
if (!currFrame) {
return;
}
TransformationMatrix tm = patternTransform.toTransformationMatrix();
static jmethodID mid = env->GetMethodID(PG_GetGraphicsManagerClass(env),
"createTransform",
"(DDDDDD)Lcom/sun/webkit/graphics/WCTransform;");
ASSERT(mid);
JLObject transform(env->CallObjectMethod(PL_GetGraphicsManager(env), mid,
tm.a(), tm.b(), tm.c(), tm.d(), tm.e(), tm.f()));
ASSERT(transform);
CheckAndClearException(env);
gc->platformContext()->rq().freeSpace(13 * 4)
<< (jint)com_sun_webkit_graphics_GraphicsDecoder_DRAWPATTERN
<< currFrame
<< srcRect.x() << srcRect.y() << srcRect.width() << srcRect.height()
<< RQRef::create(transform)
<< phase.x() << phase.y()
<< destRect.x() << destRect.y() << destRect.width() << destRect.height();
if (imageObserver())
imageObserver()->didDraw(this);
}
void Image::drawPattern(GraphicsContext* ctxt, const FloatRect& tileRect, const TransformationMatrix& patternTransform,
const FloatPoint& phase, CompositeOperator op, const FloatRect& destRect)
{
if (!nativeImageForCurrentFrame())
return;
ASSERT(patternTransform.isInvertible());
if (!patternTransform.isInvertible())
// Avoid a hang under CGContextDrawTiledImage on release builds.
return;
CGContextRef context = ctxt->platformContext();
ctxt->save();
CGContextClipToRect(context, destRect);
ctxt->setCompositeOperation(op);
CGContextTranslateCTM(context, destRect.x(), destRect.y() + destRect.height());
CGContextScaleCTM(context, 1, -1);
// Compute the scaled tile size.
float scaledTileHeight = tileRect.height() * narrowPrecisionToFloat(patternTransform.d());
// We have to adjust the phase to deal with the fact we're in Cartesian space now (with the bottom left corner of destRect being
// the origin).
float adjustedX = phase.x() - destRect.x() + tileRect.x() * narrowPrecisionToFloat(patternTransform.a()); // We translated the context so that destRect.x() is the origin, so subtract it out.
float adjustedY = destRect.height() - (phase.y() - destRect.y() + tileRect.y() * narrowPrecisionToFloat(patternTransform.d()) + scaledTileHeight);
CGImageRef tileImage = nativeImageForCurrentFrame();
float h = CGImageGetHeight(tileImage);
CGImageRef subImage;
if (tileRect.size() == size())
subImage = tileImage;
else {
// Copying a sub-image out of a partially-decoded image stops the decoding of the original image. It should never happen
// because sub-images are only used for border-image, which only renders when the image is fully decoded.
ASSERT(h == height());
subImage = CGImageCreateWithImageInRect(tileImage, tileRect);
}
#ifndef BUILDING_ON_TIGER
// Leopard has an optimized call for the tiling of image patterns, but we can only use it if the image has been decoded enough that
// its buffer is the same size as the overall image. Because a partially decoded CGImageRef with a smaller width or height than the
// overall image buffer needs to tile with "gaps", we can't use the optimized tiling call in that case.
// FIXME: Could create WebKitSystemInterface SPI for CGCreatePatternWithImage2 and probably make Tiger tile faster as well.
// FIXME: We cannot use CGContextDrawTiledImage with scaled tiles on Leopard, because it suffers from rounding errors. Snow Leopard is ok.
float scaledTileWidth = tileRect.width() * narrowPrecisionToFloat(patternTransform.a());
float w = CGImageGetWidth(tileImage);
#ifdef BUILDING_ON_LEOPARD
if (w == size().width() && h == size().height() && scaledTileWidth == tileRect.width() && scaledTileHeight == tileRect.height())
#else
if (w == size().width() && h == size().height())
#endif
CGContextDrawTiledImage(context, FloatRect(adjustedX, adjustedY, scaledTileWidth, scaledTileHeight), subImage);
else {
#endif
// On Leopard, this code now only runs for partially decoded images whose buffers do not yet match the overall size of the image.
// On Tiger this code runs all the time. This code is suboptimal because the pattern does not reference the image directly, and the
// pattern is destroyed before exiting the function. This means any decoding the pattern does doesn't end up cached anywhere, so we
// redecode every time we paint.
static const CGPatternCallbacks patternCallbacks = { 0, drawPatternCallback, NULL };
CGAffineTransform matrix = CGAffineTransformMake(narrowPrecisionToCGFloat(patternTransform.a()), 0, 0, narrowPrecisionToCGFloat(patternTransform.d()), adjustedX, adjustedY);
matrix = CGAffineTransformConcat(matrix, CGContextGetCTM(context));
// The top of a partially-decoded image is drawn at the bottom of the tile. Map it to the top.
matrix = CGAffineTransformTranslate(matrix, 0, size().height() - h);
CGPatternRef pattern = CGPatternCreate(subImage, CGRectMake(0, 0, tileRect.width(), tileRect.height()),
matrix, tileRect.width(), tileRect.height(),
kCGPatternTilingConstantSpacing, true, &patternCallbacks);
if (pattern == NULL) {
if (subImage != tileImage)
CGImageRelease(subImage);
ctxt->restore();
return;
}
CGColorSpaceRef patternSpace = CGColorSpaceCreatePattern(NULL);
CGFloat alpha = 1;
CGColorRef color = CGColorCreateWithPattern(patternSpace, pattern, &alpha);
CGContextSetFillColorSpace(context, patternSpace);
CGColorSpaceRelease(patternSpace);
CGPatternRelease(pattern);
// FIXME: Really want a public API for this. It is just CGContextSetBaseCTM(context, CGAffineTransformIdentiy).
wkSetPatternBaseCTM(context, CGAffineTransformIdentity);
CGContextSetPatternPhase(context, CGSizeZero);
CGContextSetFillColorWithColor(context, color);
CGContextFillRect(context, CGContextGetClipBoundingBox(context));
CGColorRelease(color);
#ifndef BUILDING_ON_TIGER
}
#endif
if (subImage != tileImage)
CGImageRelease(subImage);
ctxt->restore();
if (imageObserver())
imageObserver()->didDraw(this);
}
PassOwnPtr<CCTransformKeyframe> CCTransformKeyframe::clone() const
{
// We need to do a deep copy the m_value may contain ref pointers to TransformOperation objects.
TransformOperations operations;
for (size_t j = 0; j < m_value.size(); ++j) {
TransformOperation::OperationType operationType = m_value.operations()[j]->getOperationType();
switch (operationType) {
case TransformOperation::SCALE_X:
case TransformOperation::SCALE_Y:
case TransformOperation::SCALE_Z:
case TransformOperation::SCALE_3D:
case TransformOperation::SCALE: {
ScaleTransformOperation* transform = static_cast<ScaleTransformOperation*>(m_value.operations()[j].get());
operations.operations().append(ScaleTransformOperation::create(transform->x(), transform->y(), transform->z(), operationType));
break;
}
case TransformOperation::TRANSLATE_X:
case TransformOperation::TRANSLATE_Y:
case TransformOperation::TRANSLATE_Z:
case TransformOperation::TRANSLATE_3D:
case TransformOperation::TRANSLATE: {
TranslateTransformOperation* transform = static_cast<TranslateTransformOperation*>(m_value.operations()[j].get());
operations.operations().append(TranslateTransformOperation::create(transform->x(), transform->y(), transform->z(), operationType));
break;
}
case TransformOperation::ROTATE_X:
case TransformOperation::ROTATE_Y:
case TransformOperation::ROTATE_3D:
case TransformOperation::ROTATE: {
RotateTransformOperation* transform = static_cast<RotateTransformOperation*>(m_value.operations()[j].get());
operations.operations().append(RotateTransformOperation::create(transform->x(), transform->y(), transform->z(), transform->angle(), operationType));
break;
}
case TransformOperation::SKEW_X:
case TransformOperation::SKEW_Y:
case TransformOperation::SKEW: {
SkewTransformOperation* transform = static_cast<SkewTransformOperation*>(m_value.operations()[j].get());
operations.operations().append(SkewTransformOperation::create(transform->angleX(), transform->angleY(), operationType));
break;
}
case TransformOperation::MATRIX: {
MatrixTransformOperation* transform = static_cast<MatrixTransformOperation*>(m_value.operations()[j].get());
TransformationMatrix m = transform->matrix();
operations.operations().append(MatrixTransformOperation::create(m.a(), m.b(), m.c(), m.d(), m.e(), m.f()));
break;
}
case TransformOperation::MATRIX_3D: {
Matrix3DTransformOperation* transform = static_cast<Matrix3DTransformOperation*>(m_value.operations()[j].get());
operations.operations().append(Matrix3DTransformOperation::create(transform->matrix()));
break;
}
case TransformOperation::PERSPECTIVE: {
PerspectiveTransformOperation* transform = static_cast<PerspectiveTransformOperation*>(m_value.operations()[j].get());
operations.operations().append(PerspectiveTransformOperation::create(transform->perspective()));
break;
}
case TransformOperation::IDENTITY: {
operations.operations().append(IdentityTransformOperation::create());
break;
}
case TransformOperation::NONE:
// Do nothing.
break;
} // switch
} // for each operation
return CCTransformKeyframe::create(time(), operations, timingFunction() ? cloneTimingFunction(timingFunction()) : nullptr);
}
