133 lines
3.3 KiB
C++
133 lines
3.3 KiB
C++
// Copyright (c) 2016-2018 Kiwano - Nomango
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#include <kiwano/2d/TextActor.h>
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#include <kiwano/core/Logger.h>
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#include <kiwano/renderer/Renderer.h>
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namespace kiwano
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{
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namespace
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{
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TextStyle text_default_style;
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void InitDefaultTextStyle()
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{
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static bool inited = false;
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if (!inited)
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{
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inited = true;
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// 默认使用白色画刷填充文字
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text_default_style.fill_brush = new Brush;
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text_default_style.fill_brush->SetColor(Color::White);
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}
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}
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}
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void TextActor::SetDefaultStyle(TextStyle const & style)
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{
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text_default_style = style;
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}
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const TextStyle& TextActor::GetDefaultStyle()
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{
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InitDefaultTextStyle();
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return text_default_style;
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}
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TextActor::TextActor()
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: TextActor(String())
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{
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}
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TextActor::TextActor(String const& text)
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: TextActor(text, GetDefaultStyle())
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{
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}
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TextActor::TextActor(String const& text, const TextStyle& style)
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: show_underline_(false)
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, show_strikethrough_(false)
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{
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SetText(text);
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SetStyle(style);
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}
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TextActor::~TextActor()
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{
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}
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void TextActor::OnRender(RenderTarget* rt)
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{
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rt->DrawTextLayout(text_layout_);
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}
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void TextActor::OnUpdate(Duration dt)
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{
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UpdateLayout();
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}
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void TextActor::UpdateLayout()
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{
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if (text_layout_.IsDirty())
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{
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text_layout_.Update();
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}
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if (text_layout_.GetDirtyFlag() & TextLayout::DirtyFlag::Updated)
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{
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if (show_underline_)
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text_layout_.SetUnderline(true, 0, text_layout_.GetText().length());
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if (show_strikethrough_)
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text_layout_.SetStrikethrough(true, 0, text_layout_.GetText().length());
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SetSize(text_layout_.GetLayoutSize());
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}
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}
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bool TextActor::CheckVisibilty(RenderTarget* rt) const
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{
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return text_layout_.IsValid() && Actor::CheckVisibilty(rt);
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}
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void TextActor::SetFillColor(Color const& color)
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{
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if (!text_layout_.GetFillBrush() || text_layout_.GetFillBrush() == GetDefaultStyle().fill_brush)
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{
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BrushPtr brush = new Brush;
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text_layout_.SetFillBrush(brush);
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}
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text_layout_.GetFillBrush()->SetColor(color);
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}
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void TextActor::SetOutlineColor(Color const& outline_color)
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{
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if (!text_layout_.GetOutlineBrush() || text_layout_.GetOutlineBrush() == GetDefaultStyle().outline_brush)
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{
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BrushPtr brush = new Brush;
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text_layout_.SetOutlineBrush(brush);
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}
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text_layout_.GetOutlineBrush()->SetColor(outline_color);
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}
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}
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