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8431b80e48
Co-authored-by: Alexis Campailla <alexis@janeasystems.com> Co-authored-by: Bret Anderson <bretan@microsoft.com> Co-authored-by: Enrico Giordani <enrico.giordani@gmail.com> Co-authored-by: Jaime Bernardo <jaime@janeasystems.com> Co-authored-by: Jeff Bogdan <jeffbog@microsoft.com> Co-authored-by: March Rogers <marchr@microsoft.com> Co-authored-by: Mike Harsh <mharsh@microsoft.com> Co-authored-by: Nachum Bundak <Nachum.Bundak@microsoft.com> Co-authored-by: Oliver Jones <ojones@microsoft.com> Co-authored-by: Patrick Little <plittle@microsoft.com>
106 lines
3.5 KiB
C++
106 lines
3.5 KiB
C++
#include "pch.h"
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#include "d2d_svg.h"
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D2DSVG& D2DSVG::load(const std::wstring& filename, ID2D1DeviceContext5* d2d_dc) {
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svg = nullptr;
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winrt::com_ptr<IStream> svg_stream;
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winrt::check_hresult(SHCreateStreamOnFileEx(filename.c_str(),
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STGM_READ, FILE_ATTRIBUTE_NORMAL, FALSE,
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nullptr,
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svg_stream.put()));
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winrt::check_hresult(d2d_dc->CreateSvgDocument(
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svg_stream.get(),
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D2D1::SizeF(1, 1),
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svg.put()));
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winrt::com_ptr<ID2D1SvgElement> root;
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svg->GetRoot(root.put());
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float tmp;
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winrt::check_hresult(root->GetAttributeValue(L"width", &tmp));
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svg_width = (int)tmp;
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winrt::check_hresult(root->GetAttributeValue(L"height", &tmp));
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svg_height = (int)tmp;
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return *this;
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}
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D2DSVG& D2DSVG::resize(int x, int y, int width, int height, float fill, float max_scale) {
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// Center
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transform = D2D1::Matrix3x2F::Identity();
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transform = transform * D2D1::Matrix3x2F::Translation((width - svg_width) / 2.0f, (height - svg_height) / 2.0f);
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float h_scale = fill * height / svg_height;
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float v_scale = fill * width / svg_width;
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used_scale = min(h_scale, v_scale);
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if (max_scale > 0) {
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used_scale = min(used_scale, max_scale);
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}
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transform = transform * D2D1::Matrix3x2F::Scale(used_scale, used_scale, D2D1::Point2F(width / 2.0f, height / 2.0f));
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transform = transform * D2D1::Matrix3x2F::Translation((float)x, (float)y);
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return *this;
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}
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D2DSVG& D2DSVG::recolor(uint32_t oldcolor, uint32_t newcolor) {
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auto new_color = D2D1::ColorF(newcolor & 0xFFFFFF, 1);
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auto old_color = D2D1::ColorF(oldcolor & 0xFFFFFF, 1);
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std::function<void(ID2D1SvgElement* element)> recurse = [&](ID2D1SvgElement* element) {
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if (!element)
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return;
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if (element->IsAttributeSpecified(L"fill")) {
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D2D1_COLOR_F elem_fill;
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winrt::com_ptr<ID2D1SvgPaint> paint;
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element->GetAttributeValue(L"fill", paint.put());
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paint->GetColor(&elem_fill);
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if (elem_fill.r == old_color.r && elem_fill.g == old_color.g && elem_fill.b == old_color.b) {
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winrt::check_hresult(element->SetAttributeValue(L"fill", new_color));
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}
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}
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winrt::com_ptr<ID2D1SvgElement> sub;
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element->GetFirstChild(sub.put());
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while (sub) {
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recurse(sub.get());
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winrt::com_ptr<ID2D1SvgElement> next;
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element->GetNextChild(sub.get(), next.put());
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sub = next;
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}
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};
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winrt::com_ptr<ID2D1SvgElement> root;
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svg->GetRoot(root.put());
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recurse(root.get());
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return *this;
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}
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D2DSVG& D2DSVG::render(ID2D1DeviceContext5* d2d_dc) {
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D2D1_MATRIX_3X2_F current;
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d2d_dc->GetTransform(¤t);
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d2d_dc->SetTransform(transform * current);
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d2d_dc->DrawSvgDocument(svg.get());
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d2d_dc->SetTransform(current);
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return *this;
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}
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D2DSVG& D2DSVG::toggle_element(const wchar_t* id, bool visible) {
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winrt::com_ptr<ID2D1SvgElement> element;
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if (svg->FindElementById(id, element.put()) != S_OK)
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return *this;
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if (!element)
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return *this;
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element->SetAttributeValue(L"display", visible ? D2D1_SVG_DISPLAY::D2D1_SVG_DISPLAY_INLINE : D2D1_SVG_DISPLAY::D2D1_SVG_DISPLAY_NONE);
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return *this;
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}
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winrt::com_ptr<ID2D1SvgElement> D2DSVG::find_element(const std::wstring& id) {
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winrt::com_ptr< ID2D1SvgElement> element;
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winrt::check_hresult(svg->FindElementById(id.c_str(), element.put()));
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return element;
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}
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D2D1_RECT_F D2DSVG::rescale(D2D1_RECT_F rect) {
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D2D1_RECT_F result;
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auto src = reinterpret_cast<D2D1_POINT_2F*>(&rect);
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auto dst = reinterpret_cast<D2D1_POINT_2F*>(&result);
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dst[0] = src[0] * transform;
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dst[1] = src[1] * transform;
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return result;
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}
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