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#define LOG_TAG "GraphicsOperationCollection"
#define LOG_NDEBUG 1
#include "config.h"
#include "GraphicsOperationCollection.h"
#include "AndroidLog.h"
#include "GraphicsContext.h"
#include "PlatformGraphicsContext.h"
#include "PlatformGraphicsContextRecording.h"
#if USE(ACCELERATED_COMPOSITING)
namespace WebCore {
using namespace GraphicsOperation;
static bool isDrawingOperation(GraphicsOperation::Operation* operation) {
switch (operation->type()) {
case Operation::DrawBitmapPatternOperation:
case Operation::DrawBitmapRectOperation:
case Operation::DrawEllipseOperation:
case Operation::DrawLineOperation:
case Operation::DrawLineForTextOperation:
case Operation::DrawLineForTextCheckingOperation:
case Operation::DrawRectOperation:
case Operation::FillPathOperation:
case Operation::FillRectOperation:
case Operation::FillRoundedRectOperation:
case Operation::StrokeArcOperation:
case Operation::StrokePathOperation:
case Operation::StrokeRectOperation:
case Operation::DrawComplexTextOperation:
case Operation::DrawTextOperation:
return true;
default:
return false;
}
}
GraphicsOperationCollection::GraphicsOperationCollection()
{
}
GraphicsOperationCollection::~GraphicsOperationCollection()
{
}
void GraphicsOperationCollection::apply(PlatformGraphicsContext* context)
{
flush();
for (unsigned int i = 0; i < m_operations.size(); i++)
m_operations[i]->apply(context);
}
void GraphicsOperationCollection::adoptAndAppend(GraphicsOperation::Operation* rawOp)
{
PassRefPtr<GraphicsOperation::Operation> operation = adoptRef(rawOp);
if (operation->type() == Operation::SaveOperation) {
// TODO: Support nested Save/Restore checking?
flush();
m_pendingOperations.append(operation);
return;
}
if (m_pendingOperations.size()) {
if (operation->type() == Operation::RestoreOperation) {
// We hit a Save/Restore pair without any drawing, discard
m_pendingOperations.clear();
return;
}
if (!isDrawingOperation(operation.get())) {
// Isn't a drawing operation, so append to pending and return
m_pendingOperations.append(operation);
return;
}
// Hit a drawing operation, so flush the pending and append to m_operations
flush();
}
m_operations.append(operation);
}
bool GraphicsOperationCollection::isEmpty()
{
flush();
return !m_operations.size();
}
void GraphicsOperationCollection::flush()
{
if (m_pendingOperations.size()) {
m_operations.append(m_pendingOperations);
m_pendingOperations.clear();
}
}
} // namespace WebCore
#endif // USE(ACCELERATED_COMPOSITING)
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