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#include "cru/osx/graphics/quartz/Painter.hpp"
#include "cru/common/Logger.hpp"
#include "cru/osx/graphics/quartz/Brush.hpp"
#include "cru/osx/graphics/quartz/Convert.hpp"
#include "cru/osx/graphics/quartz/Geometry.hpp"
#include "cru/osx/graphics/quartz/TextLayout.hpp"
#include "cru/platform/Check.hpp"
#include "cru/platform/Exception.hpp"
#include "cru/platform/graphics/util/Painter.hpp"
namespace cru::platform::graphics::osx::quartz {
QuartzCGContextPainter::QuartzCGContextPainter(
IGraphicsFactory* graphics_factory, CGContextRef cg_context,
bool auto_release, const Size& size,
std::function<void(QuartzCGContextPainter*)> on_end_draw)
: OsxQuartzResource(graphics_factory),
cg_context_(cg_context),
auto_release_(auto_release),
size_(size),
on_end_draw_(std::move(on_end_draw)) {
Expects(cg_context);
log::TagDebug(log_tag,
u"Created with CGContext: {}, Auto Release: {}, Size: {}.",
cg_context, auto_release, size_);
}
QuartzCGContextPainter::~QuartzCGContextPainter() {
DoEndDraw();
if (auto_release_) {
CGContextRelease(cg_context_);
cg_context_ = nullptr;
}
}
Matrix QuartzCGContextPainter::GetTransform() {
return Convert(CGContextGetCTM(cg_context_));
}
void QuartzCGContextPainter::SetTransform(const Matrix& matrix) {
auto old = CGContextGetCTM(cg_context_);
old = CGAffineTransformInvert(old);
CGContextConcatCTM(cg_context_, old);
CGContextConcatCTM(cg_context_, Convert(matrix));
}
void QuartzCGContextPainter::Clear(const Color& color) {
Validate();
CGContextSetRGBFillColor(cg_context_, color.GetFloatRed(),
color.GetFloatGreen(), color.GetFloatBlue(),
color.GetFloatAlpha());
CGContextFillRect(cg_context_, Convert(Rect{Point{}, size_}));
log::TagDebug(log_tag, u"Clear with color {}, size {}.", color, size_);
}
void QuartzCGContextPainter::DrawLine(const Point& start, const Point& end,
IBrush* brush, float width) {
Validate();
CGContextBeginPath(cg_context_);
CGContextMoveToPoint(cg_context_, start.x, start.y);
CGContextAddLineToPoint(cg_context_, end.x, end.y);
QuartzBrush* b = CheckPlatform<QuartzBrush>(brush, GetPlatformId());
b->Select(cg_context_);
CGContextSetLineWidth(cg_context_, width);
CGContextStrokePath(cg_context_);
}
void QuartzCGContextPainter::StrokeRectangle(const Rect& rectangle,
IBrush* brush, float width) {
Validate();
QuartzBrush* b = CheckPlatform<QuartzBrush>(brush, GetPlatformId());
b->Select(cg_context_);
CGContextStrokeRectWithWidth(cg_context_, Convert(rectangle), width);
}
void QuartzCGContextPainter::FillRectangle(const Rect& rectangle,
IBrush* brush) {
Validate();
QuartzBrush* b = CheckPlatform<QuartzBrush>(brush, GetPlatformId());
b->Select(cg_context_);
CGContextFillRect(cg_context_, Convert(rectangle));
}
void QuartzCGContextPainter::StrokeGeometry(IGeometry* geometry, IBrush* brush,
float width) {
Validate();
QuartzGeometry* g = CheckPlatform<QuartzGeometry>(geometry, GetPlatformId());
QuartzBrush* b = CheckPlatform<QuartzBrush>(brush, GetPlatformId());
b->Select(cg_context_);
CGContextSetLineWidth(cg_context_, width);
CGContextBeginPath(cg_context_);
CGContextAddPath(cg_context_, g->GetCGPath());
CGContextStrokePath(cg_context_);
}
void QuartzCGContextPainter::FillGeometry(IGeometry* geometry, IBrush* brush) {
Validate();
QuartzGeometry* g = CheckPlatform<QuartzGeometry>(geometry, GetPlatformId());
QuartzBrush* b = CheckPlatform<QuartzBrush>(brush, GetPlatformId());
b->Select(cg_context_);
CGContextBeginPath(cg_context_);
CGContextAddPath(cg_context_, g->GetCGPath());
CGContextFillPath(cg_context_);
}
void QuartzCGContextPainter::DrawText(const Point& offset,
ITextLayout* text_layout, IBrush* brush) {
Validate();
auto tl = CheckPlatform<OsxCTTextLayout>(text_layout, GetPlatformId());
auto b = CheckPlatform<QuartzBrush>(brush, GetPlatformId());
util::WithTransform(this, Matrix::Translation(offset),
[this, tl, b](IPainter*) {
CTFrameDraw(tl->GetCTFrameRef(), cg_context_);
});
}
void QuartzCGContextPainter::PushLayer(const Rect& bounds) {
// TODO: Implement this.
}
void QuartzCGContextPainter::PopLayer() {
// TODO: Implement this.
}
void QuartzCGContextPainter::EndDraw() { DoEndDraw(); }
void QuartzCGContextPainter::DoEndDraw() {
if (cg_context_) {
on_end_draw_(this);
CGContextFlush(cg_context_);
CGContextSynchronize(cg_context_);
log::TagDebug(log_tag, u"End draw and flush.");
}
}
void QuartzCGContextPainter::Validate() {
if (cg_context_ == nullptr)
throw ReuseException(u"QuartzCGContextPainter has already be released.");
}
} // namespace cru::platform::graphics::osx::quartz
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