Magic_Game/src/kiwano/2d/TextActor.cpp

// Copyright (c) 2016-2018 Kiwano - Nomango
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

#include <kiwano/2d/TextActor.h>
#include <kiwano/core/Logger.h>
#include <kiwano/render/Renderer.h>

namespace kiwano
{

TextActorPtr TextActor::Create(const String& text)
{
    TextActorPtr ptr = new (std::nothrow) TextActor;
    if (ptr)
    {
        ptr->SetText(text);
    }
    return ptr;
}

TextActorPtr TextActor::Create(const String& text, const TextStyle& style)
{
    TextActorPtr ptr = new (std::nothrow) TextActor;
    if (ptr)
    {
        ptr->SetText(text);
        ptr->SetStyle(style);
    }
    return ptr;
}

TextActor::TextActor()
    : show_underline_(false)
    , show_strikethrough_(false)
{
}

TextActor::~TextActor() {}

void TextActor::OnRender(RenderContext& ctx)
{
    ctx.DrawTextLayout(text_layout_);
}

void TextActor::OnUpdate(Duration dt)
{
    UpdateLayout();
}

void TextActor::UpdateLayout()
{
    if (text_layout_.IsDirty())
    {
        text_layout_.Update();
    }

    if (text_layout_.GetDirtyFlag() & TextLayout::DirtyFlag::Updated)
    {
        text_layout_.SetDirtyFlag(TextLayout::DirtyFlag::Clean);

        if (show_underline_)
            text_layout_.SetUnderline(true, 0, text_layout_.GetText().length());

        if (show_strikethrough_)
            text_layout_.SetStrikethrough(true, 0, text_layout_.GetText().length());

        SetSize(text_layout_.GetLayoutSize());
    }
}

bool TextActor::CheckVisibility(RenderContext& ctx) const
{
    return text_layout_.IsValid() && Actor::CheckVisibility(ctx);
}

void TextActor::SetFillColor(Color const& color)
{
    if (!text_layout_.GetFillBrush())
    {
        BrushPtr brush = new Brush;
        text_layout_.SetFillBrush(brush);
    }
    text_layout_.GetFillBrush()->SetColor(color);
}

void TextActor::SetOutlineColor(Color const& outline_color)
{
    if (!text_layout_.GetOutlineBrush())
    {
        BrushPtr brush = new Brush;
        text_layout_.SetOutlineBrush(brush);
    }
    text_layout_.GetOutlineBrush()->SetColor(outline_color);
}

}  // namespace kiwano