Magic_Game/core/base/Text.h

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// Copyright (c) 2016-2018 Easy2D - 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.
#pragma once
#include "Node.h"
#include "Font.h"
namespace easy2d
{
// 文本
class Text
: public Node
{
public:
// 文本对齐方式
enum class Align
{
Left, /* 左对齐 */
Right, /* 右对齐 */
Center /* 居中对齐 */
};
// 文本样式
class Style
{
public:
Color color; // 颜色
Align alignment; // 对齐方式
bool wrap; // 打开自动换行
float wrap_width; // 自动换行宽度
float line_spacing; // 行间距
bool underline; // 下划线
bool strikethrough; // 删除线
bool outline; // 显示描边
Color outline_color; // 描边颜色
float outline_width; // 描边线宽
Stroke outline_stroke; // 描边线相交样式
public:
Style();
Style(
Color color,
Align alignment = Align::Left,
bool wrap = false,
float wrap_width = 0.f,
float line_spacing = 0.f,
bool underline = false,
bool strikethrough = false,
bool outline = true,
Color outline_color = Color(Color::Black, 0.5),
float outline_width = 1.f,
Stroke outline_stroke = Stroke::Round
);
};
public:
Text();
explicit Text(
const String& text, /* 文字内容 */
const Font& font = Font(), /* 字体 */
const Style& style = Style() /* 文本样式 */
);
virtual ~Text();
// 获取文本
const String& GetText() const;
// 获取字体
const Font& GetFont() const;
// 获取文本样式
const Style& GetStyle() const;
// 获取字体族
const String& GetFontFamily() const;
// 获取当前字号
float GetFontSize() const;
// 获取当前字体粗细值
UINT GetFontWeight() const;
// 获取文字颜色
const Color& GetColor() const;
// 获取描边颜色
const Color& GetOutlineColor() const;
// 获取描边线宽
float GetOutlineWidth() const;
// 获取描边线相交样式
Stroke GetOutlineStroke() const;
// 获取文本显示行数
int GetLineCount() const;
// 是否是斜体
bool IsItalic() const;
// 是否显示删除线
bool strikethrough() const;
// 是否显示下划线
bool underline() const;
// 是否显示描边
bool outline() const;
// 设置文本
void SetText(
const String& text
);
// 设置文本样式
void SetStyle(
const Style& style
);
// 设置字体
void SetFont(
const Font& font
);
// 设置字体族
void SetFontFamily(
const String& family
);
// 设置字号(默认值为 22
void SetFontSize(
float size
);
// 设置字体粗细值(默认值为 Text::Font::Weight::Normal
void SetFontWeight(
UINT weight
);
// 设置文字颜色(默认值为 Color::WHITE
void SetColor(
Color color
);
// 设置文字斜体(默认值为 false
void SetItalic(
bool value
);
// 打开或关闭文本自动换行(默认为关闭)
void SetWrapEnabled(
bool wrap
);
// 设置文本自动换行的宽度(默认为 0
void SetWrapWidth(
float wrap_width
);
// 设置行间距(默认为 0
void SetLineSpacing(
float line_spacing
);
// 设置对齐方式(默认为 Align::Left
void SetAlignment(
Align align
);
// 设置下划线(默认值为 false
void SetUnderline(
bool underline
);
// 设置删除线(默认值为 false
void SetStrikethrough(
bool strikethrough
);
// 设置是否显示描边
void SetOutline(
bool outline
);
// 设置描边颜色
void SetOutlineColor(
Color outline_color
);
// 设置描边线宽
void SetOutlineWidth(
float outline_width
);
// 设置描边线相交样式
void SetOutlineStroke(
Stroke outline_stroke
);
// 渲染文字
virtual void OnDraw() const override;
private:
E2D_DISABLE_COPY(Text);
// 重新排版文字
void Reset();
// 创建文字格式化
void CreateFormat();
// 创建文字布局
void CreateLayout();
private:
String text_;
Font font_;
Style style_;
IDWriteTextFormat* text_format_;
IDWriteTextLayout* text_layout_;
};
}