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10ce8a1928
This also extends DartClassLibrary to support multiple DartClassProviders for different libraries
111 lines
3.0 KiB
C++
111 lines
3.0 KiB
C++
// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "sky/engine/core/text/ParagraphBuilder.h"
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#include "sky/engine/core/rendering/PaintInfo.h"
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#include "sky/engine/core/rendering/style/RenderStyle.h"
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#include "sky/engine/platform/fonts/FontCache.h"
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#include "sky/engine/platform/graphics/GraphicsContext.h"
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#include "sky/engine/tonic/dart_args.h"
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#include "sky/engine/tonic/dart_binding_macros.h"
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#include "sky/engine/tonic/dart_converter.h"
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#include "sky/engine/tonic/dart_library_natives.h"
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namespace blink {
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IMPLEMENT_WRAPPERTYPEINFO(ui, Paragraph);
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#define FOR_EACH_BINDING(V) \
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V(Paragraph, minWidth) \
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V(Paragraph, setMinWidth) \
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V(Paragraph, maxWidth) \
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V(Paragraph, setMaxWidth) \
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V(Paragraph, minHeight) \
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V(Paragraph, setMinHeight) \
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V(Paragraph, maxHeight) \
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V(Paragraph, setMaxHeight) \
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V(Paragraph, width) \
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V(Paragraph, height) \
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V(Paragraph, minIntrinsicWidth) \
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V(Paragraph, maxIntrinsicWidth) \
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V(Paragraph, alphabeticBaseline) \
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V(Paragraph, ideographicBaseline) \
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V(Paragraph, layout) \
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V(Paragraph, paint)
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DART_BIND_ALL(Paragraph, FOR_EACH_BINDING)
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Paragraph::Paragraph(PassOwnPtr<RenderView> renderView)
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: m_renderView(renderView)
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{
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}
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Paragraph::~Paragraph()
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{
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}
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double Paragraph::width()
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{
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return firstChildBox()->width();
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}
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double Paragraph::height()
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{
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return firstChildBox()->height();
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}
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double Paragraph::minIntrinsicWidth()
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{
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return firstChildBox()->minPreferredLogicalWidth();
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}
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double Paragraph::maxIntrinsicWidth()
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{
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return firstChildBox()->maxPreferredLogicalWidth();
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}
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double Paragraph::alphabeticBaseline()
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{
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return firstChildBox()->firstLineBoxBaseline(FontBaselineOrAuto(AlphabeticBaseline));
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}
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double Paragraph::ideographicBaseline()
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{
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return firstChildBox()->firstLineBoxBaseline(FontBaselineOrAuto(IdeographicBaseline));
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}
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void Paragraph::layout()
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{
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FontCachePurgePreventer fontCachePurgePreventer;
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LayoutUnit maxWidth = std::max(m_minWidth, m_maxWidth);
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LayoutUnit maxHeight = std::max(m_minHeight, m_maxHeight);
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m_renderView->setFrameViewSize(IntSize(maxWidth, maxHeight));
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m_renderView->layout();
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}
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void Paragraph::paint(Canvas* canvas, const Offset& offset)
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{
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FontCachePurgePreventer fontCachePurgePreventer;
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// Very simplified painting to allow painting an arbitrary (layer-less) subtree.
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RenderBox* box = firstChildBox();
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SkCanvas* skCanvas = canvas->skCanvas();
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skCanvas->translate(offset.sk_size.width(), offset.sk_size.height());
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GraphicsContext context(skCanvas);
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Vector<RenderBox*> layers;
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LayoutRect bounds = box->absoluteBoundingBoxRect();
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DCHECK(bounds.x() == 0 && bounds.y() == 0);
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PaintInfo paintInfo(&context, enclosingIntRect(bounds), box);
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box->paint(paintInfo, LayoutPoint(), layers);
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// Note we're ignoring any layers encountered.
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// TODO(abarth): Remove the concept of RenderLayers.
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skCanvas->translate(-offset.sk_size.width(), -offset.sk_size.height());
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}
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} // namespace blink
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