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#include "cru/osx/graphics/quartz/TextLayout.hpp"
#include "cru/osx/graphics/quartz/Convert.hpp"
#include "cru/osx/graphics/quartz/Resource.hpp"
#include "cru/platform/Check.hpp"
namespace cru::platform::graphics::osx::quartz {
OsxCTTextLayout::OsxCTTextLayout(IGraphFactory* graphics_factory,
std::shared_ptr<OsxCTFont> font,
const String& str)
: OsxQuartzResource(graphics_factory),
max_width_(0.f),
max_height_(0.f),
font_(std::move(font)),
text_(str) {
cf_text_ = Convert(str);
RecreateFrame();
}
void OsxCTTextLayout::SetFont(std::shared_ptr<IFont> font) {
font_ = CheckPlatform<OsxCTFont>(font, GetPlatformId());
CFRelease(ct_framesetter_);
CFRelease(ct_frame_);
RecreateFrame();
}
void OsxCTTextLayout::SetText(String new_text) {
text_ = std::move(new_text);
CFRelease(cf_text_);
cf_text_ = Convert(text_);
CFRelease(ct_framesetter_);
CFRelease(ct_frame_);
RecreateFrame();
}
void OsxCTTextLayout::SetMaxWidth(float max_width) {
max_width_ = max_width;
CFRelease(ct_framesetter_);
CFRelease(ct_frame_);
RecreateFrame();
}
void OsxCTTextLayout::SetMaxHeight(float max_height) {
max_height_ = max_height;
CFRelease(ct_framesetter_);
CFRelease(ct_frame_);
RecreateFrame();
}
Rect OsxCTTextLayout::GetTextBounds(bool includingTrailingSpace) {
auto lines = CTFrameGetLines(ct_frame_);
const auto line_count = CFArrayGetCount(lines);
for (int i = 0; i < line_count; i++) {
auto line = CFArrayGetValueAtIndex(lines, i);
// TODO: To be continued!
}
}
void OsxCTTextLayout::RecreateFrame() {
auto attributed_string = CFAttributedStringCreateMutable(nullptr, 0);
CFAttributedStringReplaceString(attributed_string, CFRangeMake(0, 0),
cf_text_);
CFAttributedStringSetAttribute(attributed_string,
CFRangeMake(0, CFStringGetLength(cf_text_)),
kCTFontAttributeName, font_->GetCTFont());
ct_framesetter_ = CTFramesetterCreateWithAttributedString(attributed_string);
auto path = CGPathCreateMutable();
CGPathAddRect(path, nullptr, CGRectMake(0, 0, max_width_, max_height_));
ct_frame_ = CTFramesetterCreateFrame(
ct_framesetter_, CFRangeMake(0, CFStringGetLength(cf_text_)), path,
nullptr);
CFRelease(attributed_string);
CGPathRelease(path);
}
} // namespace cru::platform::graphics::osx::quartz
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