505 lines
10 KiB
C++
505 lines
10 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 "Canvas.h"
|
||
|
|
#include "Image.h"
|
||
|
|
#include "Geometry.h"
|
||
|
|
#include "../base/logs.h"
|
||
|
|
#include "../renderer/render.h"
|
||
|
|
|
||
|
|
namespace easy2d
|
||
|
|
{
|
||
|
|
Canvas::Canvas()
|
||
|
|
: cache_expired_(false)
|
||
|
|
, stroke_width_(1.0f)
|
||
|
|
{
|
||
|
|
auto ctx = Renderer::Instance().GetDeviceResources()->GetD2DDeviceContext();
|
||
|
|
|
||
|
|
ThrowIfFailed(
|
||
|
|
ctx->CreateCompatibleRenderTarget(&render_target_)
|
||
|
|
);
|
||
|
|
|
||
|
|
ThrowIfFailed(
|
||
|
|
render_target_->CreateSolidColorBrush(
|
||
|
|
D2D1::ColorF(0, 0, 0, 0),
|
||
|
|
D2D1::BrushProperties(),
|
||
|
|
&fill_brush_)
|
||
|
|
);
|
||
|
|
|
||
|
|
ThrowIfFailed(
|
||
|
|
render_target_->CreateSolidColorBrush(
|
||
|
|
D2D1::ColorF(Color::White),
|
||
|
|
D2D1::BrushProperties(),
|
||
|
|
&stroke_brush_)
|
||
|
|
);
|
||
|
|
|
||
|
|
ThrowIfFailed(
|
||
|
|
ITextRenderer::Create(
|
||
|
|
&text_renderer_,
|
||
|
|
render_target_.Get()
|
||
|
|
)
|
||
|
|
);
|
||
|
|
|
||
|
|
SetTextStyle(Font{}, TextStyle{});
|
||
|
|
}
|
||
|
|
|
||
|
|
Canvas::Canvas(float width, float height)
|
||
|
|
: Canvas()
|
||
|
|
{
|
||
|
|
this->SetSize(width, height);
|
||
|
|
}
|
||
|
|
|
||
|
|
Canvas::Canvas(Size const & size)
|
||
|
|
: Canvas(size.x, size.y)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
Canvas::~Canvas()
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
void Canvas::BeginDraw()
|
||
|
|
{
|
||
|
|
render_target_->BeginDraw();
|
||
|
|
}
|
||
|
|
|
||
|
|
void Canvas::EndDraw()
|
||
|
|
{
|
||
|
|
ThrowIfFailed(
|
||
|
|
render_target_->EndDraw()
|
||
|
|
);
|
||
|
|
cache_expired_ = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
void Canvas::OnRender()
|
||
|
|
{
|
||
|
|
if (cache_expired_)
|
||
|
|
{
|
||
|
|
GetBitmap();
|
||
|
|
}
|
||
|
|
|
||
|
|
if (bitmap_cached_)
|
||
|
|
{
|
||
|
|
Renderer::Instance().DrawBitmap(bitmap_cached_);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void Canvas::SetStrokeColor(Color const& color)
|
||
|
|
{
|
||
|
|
stroke_brush_->SetColor(DX::ConvertToColorF(color));
|
||
|
|
}
|
||
|
|
|
||
|
|
void Canvas::SetFillColor(Color const& color)
|
||
|
|
{
|
||
|
|
fill_brush_->SetColor(DX::ConvertToColorF(color));
|
||
|
|
}
|
||
|
|
|
||
|
|
void Canvas::SetStrokeWidth(float width)
|
||
|
|
{
|
||
|
|
stroke_width_ = std::max(width, 0.f);
|
||
|
|
}
|
||
|
|
|
||
|
|
void Canvas::SetOutlineJoinStyle(StrokeStyle outline_join)
|
||
|
|
{
|
||
|
|
outline_join_style_ = Renderer::Instance().GetDeviceResources()->GetStrokeStyle(outline_join);
|
||
|
|
}
|
||
|
|
|
||
|
|
void Canvas::SetTextStyle(Font const& font, TextStyle const & text_style)
|
||
|
|
{
|
||
|
|
text_font_ = font;
|
||
|
|
text_style_ = text_style;
|
||
|
|
|
||
|
|
text_renderer_->SetTextStyle(
|
||
|
|
DX::ConvertToColorF(text_style_.color),
|
||
|
|
text_style_.outline,
|
||
|
|
DX::ConvertToColorF(text_style_.outline_color),
|
||
|
|
text_style_.outline_width,
|
||
|
|
Renderer::Instance().GetDeviceResources()->GetStrokeStyle(text_style_.outline_stroke)
|
||
|
|
);
|
||
|
|
|
||
|
|
// clear text format
|
||
|
|
text_format_ = nullptr;
|
||
|
|
}
|
||
|
|
|
||
|
|
Color Canvas::GetStrokeColor() const
|
||
|
|
{
|
||
|
|
auto color_f = stroke_brush_->GetColor();
|
||
|
|
return Color{ color_f.r, color_f.g, color_f.b, color_f.a };
|
||
|
|
}
|
||
|
|
|
||
|
|
Color Canvas::GetFillColor() const
|
||
|
|
{
|
||
|
|
auto color_f = fill_brush_->GetColor();
|
||
|
|
return Color{ color_f.r, color_f.g, color_f.b, color_f.a };
|
||
|
|
}
|
||
|
|
|
||
|
|
float Canvas::GetStrokeWidth() const
|
||
|
|
{
|
||
|
|
return stroke_width_;
|
||
|
|
}
|
||
|
|
|
||
|
|
void Canvas::SetBrushTransform(Matrix const & transform)
|
||
|
|
{
|
||
|
|
render_target_->SetTransform(DX::ConvertToMatrix3x2F(transform));
|
||
|
|
}
|
||
|
|
|
||
|
|
void Canvas::DrawLine(const Point & begin, const Point & end)
|
||
|
|
{
|
||
|
|
render_target_->DrawLine(
|
||
|
|
D2D1::Point2F(begin.x, begin.y),
|
||
|
|
D2D1::Point2F(end.x, end.y),
|
||
|
|
stroke_brush_.Get(),
|
||
|
|
stroke_width_,
|
||
|
|
outline_join_style_.Get()
|
||
|
|
);
|
||
|
|
cache_expired_ = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
void Canvas::DrawCircle(const Point & center, float radius)
|
||
|
|
{
|
||
|
|
render_target_->DrawEllipse(
|
||
|
|
D2D1::Ellipse(
|
||
|
|
D2D1::Point2F(
|
||
|
|
center.x,
|
||
|
|
center.y
|
||
|
|
),
|
||
|
|
radius,
|
||
|
|
radius
|
||
|
|
),
|
||
|
|
stroke_brush_.Get(),
|
||
|
|
stroke_width_,
|
||
|
|
outline_join_style_.Get()
|
||
|
|
);
|
||
|
|
cache_expired_ = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
void Canvas::DrawEllipse(const Point & center, float radius_x, float radius_y)
|
||
|
|
{
|
||
|
|
render_target_->DrawEllipse(
|
||
|
|
D2D1::Ellipse(
|
||
|
|
D2D1::Point2F(
|
||
|
|
center.x,
|
||
|
|
center.y
|
||
|
|
),
|
||
|
|
radius_x,
|
||
|
|
radius_y
|
||
|
|
),
|
||
|
|
stroke_brush_.Get(),
|
||
|
|
stroke_width_,
|
||
|
|
outline_join_style_.Get()
|
||
|
|
);
|
||
|
|
cache_expired_ = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
void Canvas::DrawRect(const Rect & rect)
|
||
|
|
{
|
||
|
|
render_target_->DrawRectangle(
|
||
|
|
D2D1::RectF(
|
||
|
|
rect.origin.x,
|
||
|
|
rect.origin.y,
|
||
|
|
rect.origin.x + rect.size.x,
|
||
|
|
rect.origin.y + rect.size.y
|
||
|
|
),
|
||
|
|
stroke_brush_.Get(),
|
||
|
|
stroke_width_,
|
||
|
|
outline_join_style_.Get()
|
||
|
|
);
|
||
|
|
cache_expired_ = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
void Canvas::DrawRoundedRect(const Rect & rect, float radius_x, float radius_y)
|
||
|
|
{
|
||
|
|
render_target_->DrawRoundedRectangle(
|
||
|
|
D2D1::RoundedRect(
|
||
|
|
D2D1::RectF(
|
||
|
|
rect.origin.x,
|
||
|
|
rect.origin.y,
|
||
|
|
rect.origin.x + rect.size.x,
|
||
|
|
rect.origin.y + rect.size.y
|
||
|
|
),
|
||
|
|
radius_x,
|
||
|
|
radius_y
|
||
|
|
),
|
||
|
|
stroke_brush_.Get(),
|
||
|
|
stroke_width_,
|
||
|
|
outline_join_style_.Get()
|
||
|
|
);
|
||
|
|
cache_expired_ = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
void Canvas::DrawImage(ImagePtr const & image, float opacity)
|
||
|
|
{
|
||
|
|
if (image && image->GetBitmap())
|
||
|
|
{
|
||
|
|
render_target_->DrawBitmap(
|
||
|
|
image->GetBitmap().Get(),
|
||
|
|
D2D1::RectF(0, 0, image->GetWidth(), image->GetHeight()),
|
||
|
|
opacity,
|
||
|
|
D2D1_BITMAP_INTERPOLATION_MODE_LINEAR,
|
||
|
|
DX::ConvertToRectF(image->GetCropRect())
|
||
|
|
);
|
||
|
|
cache_expired_ = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void Canvas::DrawText(String const & text, Point const & point)
|
||
|
|
{
|
||
|
|
if (text.empty())
|
||
|
|
return;
|
||
|
|
|
||
|
|
if (!text_format_)
|
||
|
|
{
|
||
|
|
ThrowIfFailed(
|
||
|
|
Renderer::Instance().GetDeviceResources()->CreateTextFormat(
|
||
|
|
text_format_,
|
||
|
|
text_font_,
|
||
|
|
text_style_
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
ComPtr<IDWriteTextLayout> text_layout;
|
||
|
|
Size layout_size;
|
||
|
|
ThrowIfFailed(
|
||
|
|
Renderer::Instance().GetDeviceResources()->CreateTextLayout(
|
||
|
|
text_layout,
|
||
|
|
layout_size,
|
||
|
|
text,
|
||
|
|
text_format_,
|
||
|
|
text_style_
|
||
|
|
)
|
||
|
|
);
|
||
|
|
|
||
|
|
ThrowIfFailed(
|
||
|
|
text_layout->Draw(nullptr, text_renderer_.Get(), point.x, point.y)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
void Canvas::DrawGeometry(GeometryPtr const & geo)
|
||
|
|
{
|
||
|
|
if (geo && geo->geo_)
|
||
|
|
{
|
||
|
|
render_target_->DrawGeometry(
|
||
|
|
geo->geo_.Get(),
|
||
|
|
stroke_brush_.Get(),
|
||
|
|
stroke_width_,
|
||
|
|
outline_join_style_.Get()
|
||
|
|
);
|
||
|
|
cache_expired_ = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void Canvas::FillCircle(const Point & center, float radius)
|
||
|
|
{
|
||
|
|
render_target_->FillEllipse(
|
||
|
|
D2D1::Ellipse(
|
||
|
|
D2D1::Point2F(
|
||
|
|
center.x,
|
||
|
|
center.y
|
||
|
|
),
|
||
|
|
radius,
|
||
|
|
radius
|
||
|
|
),
|
||
|
|
fill_brush_.Get()
|
||
|
|
);
|
||
|
|
cache_expired_ = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
void Canvas::FillEllipse(const Point & center, float radius_x, float radius_y)
|
||
|
|
{
|
||
|
|
render_target_->FillEllipse(
|
||
|
|
D2D1::Ellipse(
|
||
|
|
D2D1::Point2F(
|
||
|
|
center.x,
|
||
|
|
center.y
|
||
|
|
),
|
||
|
|
radius_x,
|
||
|
|
radius_y
|
||
|
|
),
|
||
|
|
fill_brush_.Get()
|
||
|
|
);
|
||
|
|
cache_expired_ = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
void Canvas::FillRect(const Rect & rect)
|
||
|
|
{
|
||
|
|
render_target_->FillRectangle(
|
||
|
|
D2D1::RectF(
|
||
|
|
rect.origin.x,
|
||
|
|
rect.origin.y,
|
||
|
|
rect.origin.x + rect.size.x,
|
||
|
|
rect.origin.y + rect.size.y
|
||
|
|
),
|
||
|
|
fill_brush_.Get()
|
||
|
|
);
|
||
|
|
cache_expired_ = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
void Canvas::FillRoundedRect(const Rect & rect, float radius_x, float radius_y)
|
||
|
|
{
|
||
|
|
render_target_->FillRoundedRectangle(
|
||
|
|
D2D1::RoundedRect(
|
||
|
|
D2D1::RectF(
|
||
|
|
rect.origin.x,
|
||
|
|
rect.origin.y,
|
||
|
|
rect.origin.x + rect.size.x,
|
||
|
|
rect.origin.y + rect.size.y
|
||
|
|
),
|
||
|
|
radius_x,
|
||
|
|
radius_y
|
||
|
|
),
|
||
|
|
fill_brush_.Get()
|
||
|
|
);
|
||
|
|
cache_expired_ = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
void Canvas::FillGeometry(GeometryPtr const & geo)
|
||
|
|
{
|
||
|
|
if (geo && geo->geo_)
|
||
|
|
{
|
||
|
|
render_target_->FillGeometry(
|
||
|
|
geo->geo_.Get(),
|
||
|
|
fill_brush_.Get()
|
||
|
|
);
|
||
|
|
cache_expired_ = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void Canvas::BeginPath(Point const& begin_pos)
|
||
|
|
{
|
||
|
|
current_geometry_ = nullptr;
|
||
|
|
|
||
|
|
ThrowIfFailed(
|
||
|
|
Renderer::Instance().GetDeviceResources()->GetD2DFactory()->CreatePathGeometry(¤t_geometry_)
|
||
|
|
);
|
||
|
|
|
||
|
|
ThrowIfFailed(
|
||
|
|
current_geometry_->Open(¤t_sink_)
|
||
|
|
);
|
||
|
|
|
||
|
|
current_sink_->BeginFigure(DX::ConvertToPoint2F(begin_pos), D2D1_FIGURE_BEGIN_FILLED);
|
||
|
|
}
|
||
|
|
|
||
|
|
void Canvas::EndPath(bool closed)
|
||
|
|
{
|
||
|
|
if (current_sink_)
|
||
|
|
{
|
||
|
|
current_sink_->EndFigure(closed ? D2D1_FIGURE_END_CLOSED : D2D1_FIGURE_END_OPEN);
|
||
|
|
ThrowIfFailed(
|
||
|
|
current_sink_->Close()
|
||
|
|
);
|
||
|
|
current_sink_ = nullptr;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void Canvas::AddLine(Point const & point)
|
||
|
|
{
|
||
|
|
if (current_sink_)
|
||
|
|
current_sink_->AddLine(DX::ConvertToPoint2F(point));
|
||
|
|
}
|
||
|
|
|
||
|
|
void Canvas::AddLines(Array<Point> const& points)
|
||
|
|
{
|
||
|
|
if (current_sink_ && !points.empty())
|
||
|
|
{
|
||
|
|
current_sink_->AddLines(
|
||
|
|
reinterpret_cast<const D2D_POINT_2F*>(&points[0]),
|
||
|
|
static_cast<UINT32>(points.size())
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void Canvas::AddBezier(Point const & point1, Point const & point2, Point const & point3)
|
||
|
|
{
|
||
|
|
if (current_sink_)
|
||
|
|
{
|
||
|
|
current_sink_->AddBezier(
|
||
|
|
D2D1::BezierSegment(
|
||
|
|
DX::ConvertToPoint2F(point1),
|
||
|
|
DX::ConvertToPoint2F(point2),
|
||
|
|
DX::ConvertToPoint2F(point3)
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void Canvas::AddArc(Point const & point, Point const & radius, float rotation, bool clockwise, bool is_small)
|
||
|
|
{
|
||
|
|
if (current_sink_)
|
||
|
|
{
|
||
|
|
current_sink_->AddArc(
|
||
|
|
D2D1::ArcSegment(
|
||
|
|
DX::ConvertToPoint2F(point),
|
||
|
|
DX::ConvertToSizeF(radius),
|
||
|
|
rotation,
|
||
|
|
clockwise ? D2D1_SWEEP_DIRECTION_CLOCKWISE : D2D1_SWEEP_DIRECTION_COUNTER_CLOCKWISE,
|
||
|
|
is_small ? D2D1_ARC_SIZE_SMALL : D2D1_ARC_SIZE_LARGE
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void Canvas::StrokePath()
|
||
|
|
{
|
||
|
|
render_target_->DrawGeometry(
|
||
|
|
current_geometry_.Get(),
|
||
|
|
stroke_brush_.Get(),
|
||
|
|
stroke_width_,
|
||
|
|
outline_join_style_.Get()
|
||
|
|
);
|
||
|
|
cache_expired_ = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
void Canvas::FillPath()
|
||
|
|
{
|
||
|
|
render_target_->FillGeometry(
|
||
|
|
current_geometry_.Get(),
|
||
|
|
fill_brush_.Get()
|
||
|
|
);
|
||
|
|
cache_expired_ = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
void Canvas::Clear()
|
||
|
|
{
|
||
|
|
render_target_->Clear();
|
||
|
|
cache_expired_ = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
ImagePtr Canvas::ExportToImage() const
|
||
|
|
{
|
||
|
|
auto image = new Image(GetBitmap());
|
||
|
|
image->Crop(Rect(Point{}, this->GetSize()));
|
||
|
|
return image;
|
||
|
|
}
|
||
|
|
|
||
|
|
ComPtr<ID2D1Bitmap> const& easy2d::Canvas::GetBitmap() const
|
||
|
|
{
|
||
|
|
if (cache_expired_)
|
||
|
|
{
|
||
|
|
bitmap_cached_ = nullptr;
|
||
|
|
ThrowIfFailed(
|
||
|
|
render_target_->GetBitmap(&bitmap_cached_)
|
||
|
|
);
|
||
|
|
cache_expired_ = false;
|
||
|
|
}
|
||
|
|
return bitmap_cached_;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|