470 lines
8.9 KiB
C++
470 lines
8.9 KiB
C++
// 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.
|
||
|
||
#include "..\e2dobject.h"
|
||
#include "..\e2dmodule.h"
|
||
|
||
//-------------------------------------------------------
|
||
// Style
|
||
//-------------------------------------------------------
|
||
|
||
easy2d::Text::Style::Style()
|
||
: color(Color::White)
|
||
, alignment(Align::Left)
|
||
, wrap(false)
|
||
, wrap_width(0.f)
|
||
, line_spacing(0.f)
|
||
, underline(false)
|
||
, strikethrough(false)
|
||
, outline(true)
|
||
, outline_color(Color(Color::Black, 0.5))
|
||
, outline_width(1.f)
|
||
, outline_stroke(Stroke::Round)
|
||
{}
|
||
|
||
easy2d::Text::Style::Style(
|
||
Color color,
|
||
Align alignment,
|
||
bool wrap,
|
||
float wrap_width,
|
||
float line_spacing,
|
||
bool underline,
|
||
bool strikethrough,
|
||
bool outline,
|
||
Color outline_color,
|
||
float outline_width,
|
||
Stroke outline_stroke
|
||
)
|
||
: color(color)
|
||
, alignment(alignment)
|
||
, wrap(wrap)
|
||
, wrap_width(wrap_width)
|
||
, line_spacing(line_spacing)
|
||
, underline(underline)
|
||
, strikethrough(strikethrough)
|
||
, outline(outline)
|
||
, outline_color(outline_color)
|
||
, outline_width(outline_width)
|
||
, outline_stroke(outline_stroke)
|
||
{}
|
||
|
||
|
||
|
||
//-------------------------------------------------------
|
||
// Text
|
||
//-------------------------------------------------------
|
||
|
||
easy2d::Text::Text()
|
||
: font_()
|
||
, style_()
|
||
, text_layout_(nullptr)
|
||
, text_format_(nullptr)
|
||
{
|
||
}
|
||
|
||
easy2d::Text::Text(const String & text, const Font & font, const Style & style)
|
||
: font_(font)
|
||
, style_(style)
|
||
, text_layout_(nullptr)
|
||
, text_format_(nullptr)
|
||
, text_(text)
|
||
{
|
||
Reset();
|
||
}
|
||
|
||
easy2d::Text::~Text()
|
||
{
|
||
SafeRelease(text_format_);
|
||
SafeRelease(text_layout_);
|
||
}
|
||
|
||
const easy2d::String& easy2d::Text::GetText() const
|
||
{
|
||
return text_;
|
||
}
|
||
|
||
const easy2d::Font& easy2d::Text::GetFont() const
|
||
{
|
||
return font_;
|
||
}
|
||
|
||
const easy2d::Text::Style& easy2d::Text::GetStyle() const
|
||
{
|
||
return style_;
|
||
}
|
||
|
||
const easy2d::String& easy2d::Text::GetFontFamily() const
|
||
{
|
||
return font_.family;
|
||
}
|
||
|
||
float easy2d::Text::GetFontSize() const
|
||
{
|
||
return font_.size;
|
||
}
|
||
|
||
UINT easy2d::Text::GetFontWeight() const
|
||
{
|
||
return font_.weight;
|
||
}
|
||
|
||
const easy2d::Color& easy2d::Text::GetColor() const
|
||
{
|
||
return style_.color;
|
||
}
|
||
|
||
const easy2d::Color& easy2d::Text::GetOutlineColor() const
|
||
{
|
||
return style_.outline_color;
|
||
}
|
||
|
||
float easy2d::Text::GetOutlineWidth() const
|
||
{
|
||
return style_.outline_width;
|
||
}
|
||
|
||
easy2d::Stroke easy2d::Text::GetOutlineStroke() const
|
||
{
|
||
return style_.outline_stroke;
|
||
}
|
||
|
||
int easy2d::Text::GetLineCount() const
|
||
{
|
||
if (text_layout_)
|
||
{
|
||
DWRITE_TEXT_METRICS metrics;
|
||
text_layout_->GetMetrics(&metrics);
|
||
return static_cast<int>(metrics.lineCount);
|
||
}
|
||
else
|
||
{
|
||
return 0;
|
||
}
|
||
}
|
||
|
||
bool easy2d::Text::IsItalic() const
|
||
{
|
||
return font_.italic;
|
||
}
|
||
|
||
bool easy2d::Text::strikethrough() const
|
||
{
|
||
return style_.strikethrough;
|
||
}
|
||
|
||
bool easy2d::Text::underline() const
|
||
{
|
||
return style_.underline;
|
||
}
|
||
|
||
bool easy2d::Text::outline() const
|
||
{
|
||
return style_.outline;
|
||
}
|
||
|
||
void easy2d::Text::SetText(const String& text)
|
||
{
|
||
text_ = text;
|
||
Reset();
|
||
}
|
||
|
||
void easy2d::Text::SetStyle(const Style& style)
|
||
{
|
||
style_ = style;
|
||
Reset();
|
||
}
|
||
|
||
void easy2d::Text::SetFont(const Font & font)
|
||
{
|
||
font_ = font;
|
||
Reset();
|
||
}
|
||
|
||
void easy2d::Text::SetFontFamily(const String& family)
|
||
{
|
||
font_.family = family;
|
||
Reset();
|
||
}
|
||
|
||
void easy2d::Text::SetFontSize(float size)
|
||
{
|
||
font_.size = size;
|
||
Reset();
|
||
}
|
||
|
||
void easy2d::Text::SetFontWeight(UINT weight)
|
||
{
|
||
font_.weight = weight;
|
||
Reset();
|
||
}
|
||
|
||
void easy2d::Text::SetColor(Color color)
|
||
{
|
||
style_.color = color;
|
||
}
|
||
|
||
void easy2d::Text::SetItalic(bool value)
|
||
{
|
||
font_.italic = value;
|
||
Reset();
|
||
}
|
||
|
||
void easy2d::Text::SetWrapEnabled(bool wrap)
|
||
{
|
||
if (style_.wrap != wrap)
|
||
{
|
||
style_.wrap = wrap;
|
||
Reset();
|
||
}
|
||
}
|
||
|
||
void easy2d::Text::SetWrapWidth(float wrap_width)
|
||
{
|
||
if (style_.wrap_width != wrap_width)
|
||
{
|
||
style_.wrap_width = std::max(wrap_width, 0.f);
|
||
|
||
if (style_.wrap)
|
||
{
|
||
Reset();
|
||
}
|
||
}
|
||
}
|
||
|
||
void easy2d::Text::SetLineSpacing(float line_spacing)
|
||
{
|
||
if (style_.line_spacing != line_spacing)
|
||
{
|
||
style_.line_spacing = line_spacing;
|
||
Reset();
|
||
}
|
||
}
|
||
|
||
void easy2d::Text::SetAlignment(Align align)
|
||
{
|
||
if (style_.alignment != align)
|
||
{
|
||
style_.alignment = align;
|
||
Reset();
|
||
}
|
||
}
|
||
|
||
void easy2d::Text::SetUnderline(bool underline)
|
||
{
|
||
if (style_.underline != underline)
|
||
{
|
||
style_.underline = underline;
|
||
if (!text_format_)
|
||
CreateFormat();
|
||
CreateLayout();
|
||
}
|
||
}
|
||
|
||
void easy2d::Text::SetStrikethrough(bool strikethrough)
|
||
{
|
||
if (style_.strikethrough != strikethrough)
|
||
{
|
||
style_.strikethrough = strikethrough;
|
||
if (!text_format_)
|
||
CreateFormat();
|
||
CreateLayout();
|
||
}
|
||
}
|
||
|
||
void easy2d::Text::SetOutline(bool outline)
|
||
{
|
||
style_.outline = outline;
|
||
}
|
||
|
||
void easy2d::Text::SetOutlineColor(Color outline_color)
|
||
{
|
||
style_.outline_color = outline_color;
|
||
}
|
||
|
||
void easy2d::Text::SetOutlineWidth(float outline_width)
|
||
{
|
||
style_.outline_width = outline_width;
|
||
}
|
||
|
||
void easy2d::Text::SetOutlineStroke(Stroke outline_stroke)
|
||
{
|
||
style_.outline_stroke = outline_stroke;
|
||
}
|
||
|
||
void easy2d::Text::OnDraw() const
|
||
{
|
||
if (text_layout_)
|
||
{
|
||
auto graphics = Device::GetGraphics();
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><C4B1><EFBFBD><EFBFBD><EFBFBD>
|
||
D2D1_RECT_F textLayoutRect = D2D1::RectF(0, 0, GetTransform().size.width, GetTransform().size.height);
|
||
// <20><><EFBFBD>û<EFBFBD>ˢ<EFBFBD><CBA2>ɫ<EFBFBD><C9AB><EFBFBD><CDB8><EFBFBD><EFBFBD>
|
||
graphics->GetSolidBrush()->SetOpacity(GetDisplayOpacity());
|
||
// <20><>ȡ<EFBFBD>ı<EFBFBD><C4B1><EFBFBD>Ⱦ<EFBFBD><C8BE>
|
||
auto text_renderer = graphics->GetTextRender();
|
||
graphics->SetTextRendererStyle(
|
||
style_.color,
|
||
style_.outline,
|
||
style_.outline_color,
|
||
style_.outline_width,
|
||
style_.outline_stroke
|
||
);
|
||
text_layout_->Draw(nullptr, text_renderer, 0, 0);
|
||
}
|
||
}
|
||
|
||
void easy2d::Text::Reset()
|
||
{
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD>ʽ<EFBFBD><CABD>
|
||
CreateFormat();
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֲ<EFBFBD><D6B2><EFBFBD>
|
||
CreateLayout();
|
||
}
|
||
|
||
void easy2d::Text::CreateFormat()
|
||
{
|
||
SafeRelease(text_format_);
|
||
|
||
ThrowIfFailed(
|
||
Device::GetGraphics()->GetWriteFactory()->CreateTextFormat(
|
||
(const wchar_t *)font_.family,
|
||
nullptr,
|
||
DWRITE_FONT_WEIGHT(font_.weight),
|
||
font_.italic ? DWRITE_FONT_STYLE_ITALIC : DWRITE_FONT_STYLE_NORMAL,
|
||
DWRITE_FONT_STRETCH_NORMAL,
|
||
font_.size,
|
||
L"",
|
||
&text_format_
|
||
)
|
||
);
|
||
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD><D6B6>뷽ʽ
|
||
text_format_->SetTextAlignment(DWRITE_TEXT_ALIGNMENT(style_.alignment));
|
||
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD><D0BC><EFBFBD>
|
||
if (style_.line_spacing == 0.f)
|
||
{
|
||
text_format_->SetLineSpacing(DWRITE_LINE_SPACING_METHOD_DEFAULT, 0, 0);
|
||
}
|
||
else
|
||
{
|
||
text_format_->SetLineSpacing(
|
||
DWRITE_LINE_SPACING_METHOD_UNIFORM,
|
||
style_.line_spacing,
|
||
style_.line_spacing * 0.8f
|
||
);
|
||
}
|
||
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><C4B1>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
if (style_.wrap)
|
||
{
|
||
text_format_->SetWordWrapping(DWRITE_WORD_WRAPPING_WRAP);
|
||
}
|
||
else
|
||
{
|
||
text_format_->SetWordWrapping(DWRITE_WORD_WRAPPING_NO_WRAP);
|
||
}
|
||
}
|
||
|
||
void easy2d::Text::CreateLayout()
|
||
{
|
||
SafeRelease(text_layout_);
|
||
|
||
// <20>ı<EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
if (text_.IsEmpty())
|
||
{
|
||
this->SetSize(0, 0);
|
||
return;
|
||
}
|
||
|
||
if (text_format_ == nullptr)
|
||
{
|
||
E2D_WARNING("Text::CreateLayout failed! text_format_ NULL pointer exception.");
|
||
return;
|
||
}
|
||
|
||
UINT32 length = (UINT32)text_.Length();
|
||
auto writeFactory = Device::GetGraphics()->GetWriteFactory();
|
||
|
||
// <20><><EFBFBD>ı<EFBFBD><C4B1>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>½<EFBFBD><C2BD>д<EFBFBD><D0B4><EFBFBD>
|
||
if (style_.wrap)
|
||
{
|
||
ThrowIfFailed(
|
||
writeFactory->CreateTextLayout(
|
||
(const wchar_t *)text_,
|
||
length,
|
||
text_format_,
|
||
style_.wrap_width,
|
||
0,
|
||
&text_layout_
|
||
)
|
||
);
|
||
// <20><>ȡ<EFBFBD>ı<EFBFBD><C4B1><EFBFBD><EFBFBD>ֵĿ<D6B5><C4BF>Ⱥ߶<CDB8>
|
||
DWRITE_TEXT_METRICS metrics;
|
||
text_layout_->GetMetrics(&metrics);
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><C4B1><EFBFBD><EFBFBD><EFBFBD>
|
||
this->SetSize(metrics.layoutWidth, metrics.height);
|
||
}
|
||
else
|
||
{
|
||
// Ϊ<><CEAA>ֹ<EFBFBD>ı<EFBFBD><C4B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>⣬<EFBFBD><E2A3AC><EFBFBD><EFBFBD><EFBFBD>ȴ<EFBFBD><C8B4><EFBFBD> layout <20>Ի<EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>
|
||
ThrowIfFailed(
|
||
writeFactory->CreateTextLayout(
|
||
(const wchar_t *)text_,
|
||
length,
|
||
text_format_,
|
||
0,
|
||
0,
|
||
&text_layout_
|
||
)
|
||
);
|
||
|
||
// <20><>ȡ<EFBFBD>ı<EFBFBD><C4B1><EFBFBD><EFBFBD>ֵĿ<D6B5><C4BF>Ⱥ߶<CDB8>
|
||
DWRITE_TEXT_METRICS metrics;
|
||
text_layout_->GetMetrics(&metrics);
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><C4B1><EFBFBD><EFBFBD><EFBFBD>
|
||
this->SetSize(metrics.width, metrics.height);
|
||
|
||
// <20><><EFBFBD>´<EFBFBD><C2B4><EFBFBD> layout
|
||
SafeRelease(text_layout_);
|
||
ThrowIfFailed(
|
||
writeFactory->CreateTextLayout(
|
||
(const wchar_t *)text_,
|
||
length,
|
||
text_format_,
|
||
GetTransform().size.width,
|
||
0,
|
||
&text_layout_
|
||
)
|
||
);
|
||
}
|
||
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD>»<EFBFBD><C2BB>ߺ<EFBFBD>ɾ<EFBFBD><C9BE><EFBFBD><EFBFBD>
|
||
DWRITE_TEXT_RANGE Range = { 0, length };
|
||
if (style_.underline)
|
||
{
|
||
text_layout_->SetUnderline(true, Range);
|
||
}
|
||
if (style_.strikethrough)
|
||
{
|
||
text_layout_->SetStrikethrough(true, Range);
|
||
}
|
||
}
|