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https://github.com/GabsPuNs/Project-Zenith-Main.git
synced 2026-07-10 12:38:08 +00:00
144 lines
3.8 KiB
C++
144 lines
3.8 KiB
C++
#include "../../Include/RmlUi/SVG/ElementSVG.h"
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#include "../../Include/RmlUi/Core/ElementUtilities.h"
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#include "../../Include/RmlUi/Core/Geometry.h"
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#include "../../Include/RmlUi/Core/PropertyIdSet.h"
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#include "SVGCache.h"
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namespace Rml {
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unsigned long ElementSVG::internal_id_counter = 0;
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ElementSVG::ElementSVG(const String& tag) : Element(tag) {}
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ElementSVG::~ElementSVG()
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{
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handle.reset();
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}
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bool ElementSVG::GetIntrinsicDimensions(Vector2f& dimensions, float& ratio)
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{
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EnsureSourceLoaded();
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dimensions = handle ? handle->intrinsic_dimensions : Vector2f(0);
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if (HasAttribute("width"))
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{
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dimensions.x = GetAttribute<float>("width", 0);
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}
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if (HasAttribute("height"))
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{
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dimensions.y = GetAttribute<float>("height", 0);
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}
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if (dimensions.y > 0)
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ratio = dimensions.x / dimensions.y;
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dimensions *= ElementUtilities::GetDensityIndependentPixelRatio(this);
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return true;
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}
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void ElementSVG::OnRender()
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{
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EnsureSourceLoaded();
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if (handle)
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handle->geometry.Render(GetAbsoluteOffset(BoxArea::Content), handle->texture);
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}
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void ElementSVG::OnResize()
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{
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svg_dirty = true;
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}
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void ElementSVG::OnAttributeChange(const ElementAttributes& changed_attributes)
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{
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Element::OnAttributeChange(changed_attributes);
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if (changed_attributes.count("src") || changed_attributes.count("crop-to-content"))
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{
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svg_dirty = true;
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DirtyLayout();
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}
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if (changed_attributes.find("width") != changed_attributes.end() || changed_attributes.find("height") != changed_attributes.end())
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{
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DirtyLayout();
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}
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}
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void ElementSVG::OnPropertyChange(const PropertyIdSet& changed_properties)
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{
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Element::OnPropertyChange(changed_properties);
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if (changed_properties.Contains(PropertyId::ImageColor) || changed_properties.Contains(PropertyId::Opacity))
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{
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svg_dirty = true;
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}
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}
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void ElementSVG::GetInnerRML(String& content) const
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{
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// If the SVG is from a file source don't add anything to the content string.
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const auto source = GetAttribute<String>("src", "");
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if (!source.empty())
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return;
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content += svg_data;
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}
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void ElementSVG::SetInnerRML(const String& content)
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{
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// If the SVG is from a file source don't set the svg xml data on the element.
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const auto source = GetAttribute<String>("src", "");
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if (!source.empty())
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return;
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// We use CreateString instead of std::to_string to avoid having to create an extra std::string and convert it to Rml::String in case clients use
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// a non-std string.
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if (!HasAttribute("rmlui-svgdata-id"))
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SetAttribute("rmlui-svgdata-id", "svgdata:" + CreateString("%lu", internal_id_counter++));
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svg_data = "" + content;
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svg_dirty = true;
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EnsureSourceLoaded();
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}
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void ElementSVG::EnsureSourceLoaded()
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{
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if (!svg_dirty)
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return;
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svg_dirty = false;
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const bool crop_to_content = HasAttribute("crop-to-content");
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const auto source = GetAttribute<String>("src", "");
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if (source.empty())
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{
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const auto source_id = GetAttribute<String>("rmlui-svgdata-id", "svgdata:undefined");
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if (handle)
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handle.reset(); // The old handle won't be re-used so clear it.
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// Build an svg wrapper tag, copying all but src attribute (expected attributes could be width, height, viewBox, etc.)
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String svg_element_source = "<svg ";
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ElementAttributes attrs = GetAttributes();
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for (auto& attr : attrs)
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{
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if (attr.first == "src")
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continue;
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svg_element_source.append(attr.first);
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svg_element_source.append("=\"");
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svg_element_source.append(StringUtilities::EncodeRml(attr.second.Get<String>()));
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svg_element_source.append("\" ");
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}
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svg_element_source.append(">");
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svg_element_source.append(svg_data);
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svg_element_source.append("</svg>");
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handle = SVG::SVGCache::GetHandle(source_id, svg_element_source, SVG::SVGCache::Data, this, crop_to_content, BoxArea::Content);
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}
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else
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{
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handle = SVG::SVGCache::GetHandle(source, source, SVG::SVGCache::File, this, crop_to_content, BoxArea::Content);
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}
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}
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} // namespace Rml
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