mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-22 17:51:16 +00:00
dwrite: Move background-color and color-emoji options to effect object
... and simplify background rendering Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5121>
This commit is contained in:
Seungha Yang
parent
a1ad56ed5a
commit
15f0bd2461
7 changed files with 103 additions and 210 deletions
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@ -90,9 +90,11 @@ IGstDWriteTextEffect::Clone (IGstDWriteTextEffect ** effect)
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if (!copy)
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return E_OUTOFMEMORY;
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for (UINT i = 0; i <= GST_DWRITE_BRUSH_SHADOW; i++)
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for (UINT i = 0; i < GST_DWRITE_BRUSH_LAST; i++)
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copy->brush_[i] = this->brush_[i];
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copy->enable_color_font_ = enable_color_font_;
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*effect = copy;
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return S_OK;
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@ -127,9 +129,28 @@ IGstDWriteTextEffect::SetBrushColor (GST_DWRITE_BRUSH_TARGET target,
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return S_OK;
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}
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STDMETHODIMP
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IGstDWriteTextEffect::SetEnableColorFont (BOOL enable)
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{
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enable_color_font_ = enable;
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return S_OK;
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}
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STDMETHODIMP
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IGstDWriteTextEffect::GetEnableColorFont (BOOL * enable)
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{
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if (!enable)
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return E_INVALIDARG;
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*enable = enable_color_font_ ;
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return S_OK;
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}
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IGstDWriteTextEffect::IGstDWriteTextEffect (void)
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{
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for (UINT32 i = 0; i < GST_DWRITE_BRUSH_SHADOW; i++)
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for (UINT32 i = 0; i < GST_DWRITE_BRUSH_LAST; i++)
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brush_[i] = D2D1::ColorF (D2D1::ColorF::Black);
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/* Disable custom shadow effects by default */
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@ -29,6 +29,8 @@ enum GST_DWRITE_BRUSH_TARGET
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GST_DWRITE_BRUSH_UNDERLINE,
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GST_DWRITE_BRUSH_STRIKETHROUGH,
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GST_DWRITE_BRUSH_SHADOW,
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GST_DWRITE_BRUSH_BACKGROUND,
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GST_DWRITE_BRUSH_LAST
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};
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DEFINE_GUID (IID_IGstDWriteTextEffect, 0x23c579ae, 0x2e18,
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@ -53,11 +55,16 @@ public:
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STDMETHODIMP SetBrushColor (GST_DWRITE_BRUSH_TARGET target,
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const D2D1_COLOR_F * color);
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STDMETHODIMP SetEnableColorFont (BOOL enable);
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STDMETHODIMP GetEnableColorFont (BOOL * enable);
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private:
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IGstDWriteTextEffect (void);
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virtual ~IGstDWriteTextEffect (void);
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private:
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ULONG ref_count_ = 1;
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D2D1_COLOR_F brush_[GST_DWRITE_BRUSH_SHADOW + 1];
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D2D1_COLOR_F brush_[GST_DWRITE_BRUSH_LAST];
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BOOL enable_color_font_ = FALSE;
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};
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@ -31,89 +31,21 @@ GST_DEBUG_CATEGORY_EXTERN (gst_dwrite_debug);
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/* *INDENT-OFF* */
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using namespace Microsoft::WRL;
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enum class RenderPath
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{
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BACKGROUND,
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TEXT,
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};
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struct RenderContext
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{
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gboolean collect_geometry;
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std::vector<ComPtr<ID2D1Geometry>> backgrounds;
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D2D1_RECT_F background_padding = D2D1::RectF ();
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RenderPath render_path;
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ID2D1Factory *factory;
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ID2D1RenderTarget *target;
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RECT client_rect;
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D2D1_SIZE_F scale;
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gboolean enable_color_font;
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};
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/* *INDENT-ON* */
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static HRESULT
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CombineTwoGeometries (ID2D1Factory * factory, ID2D1Geometry * a,
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ID2D1Geometry * b, ID2D1Geometry ** result)
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{
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HRESULT hr;
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ComPtr < ID2D1GeometrySink > sink;
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ComPtr < ID2D1PathGeometry > geometry;
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hr = factory->CreatePathGeometry (&geometry);
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if (FAILED (hr)) {
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GST_WARNING ("Couldn't create path geometry, 0x%x", (guint) hr);
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return hr;
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}
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hr = geometry->Open (&sink);
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if (FAILED (hr)) {
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GST_WARNING ("Couldn't open path geometry, 0x%x", (guint) hr);
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return hr;
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}
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hr = a->CombineWithGeometry (b,
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D2D1_COMBINE_MODE_UNION, nullptr, sink.Get ());
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if (FAILED (hr)) {
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GST_WARNING ("Couldn't combine geometry, 0x%x", (guint) hr);
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return hr;
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}
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hr = sink->Close ();
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if (FAILED (hr)) {
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GST_WARNING ("Couldn't close sink, 0x%x", (guint) hr);
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return hr;
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}
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*result = geometry.Detach ();
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return S_OK;
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}
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static void
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CombineGeometries (ID2D1Factory * factory,
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std::vector < ComPtr < ID2D1Geometry >> &geometries,
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ID2D1Geometry ** result)
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{
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ComPtr < ID2D1Geometry > combined;
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HRESULT hr;
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if (geometries.empty ())
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return;
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/* *INDENT-OFF* */
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for (const auto & it: geometries) {
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if (!combined) {
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combined = it;
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} else {
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ComPtr <ID2D1Geometry> tmp;
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hr = CombineTwoGeometries (factory, it.Get (), combined.Get (), &tmp);
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if (FAILED (hr))
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return;
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combined = tmp;
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}
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}
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/* *INDENT-ON* */
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if (!combined)
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return;
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*result = combined.Detach ();
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}
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STDMETHODIMP
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IGstDWriteTextRenderer::CreateInstance (IDWriteFactory * factory,
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IGstDWriteTextRenderer ** renderer)
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@ -227,6 +159,7 @@ STDMETHODIMP
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HRESULT hr;
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RECT client_rect;
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D2D1_COLOR_F fg_color = D2D1::ColorF (D2D1::ColorF::Black);
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BOOL enable_color_font = FALSE;
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g_assert (context != nullptr);
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@ -235,6 +168,43 @@ STDMETHODIMP
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target = render_ctx->target;
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factory = render_ctx->factory;
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if (client_effect)
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client_effect->QueryInterface (IID_IGstDWriteTextEffect, &effect);
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if (render_ctx->render_path == RenderPath::BACKGROUND) {
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D2D1_COLOR_F color;
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BOOL enabled;
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DWRITE_FONT_METRICS font_metrics;
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FLOAT run_width = 0;
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FLOAT adjust, ascent, descent;
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D2D1_RECT_F bg_rect;
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ComPtr < ID2D1SolidColorBrush > bg_brush;
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if (!effect)
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return S_OK;
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effect->GetBrushColor (GST_DWRITE_BRUSH_BACKGROUND, &color, &enabled);
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if (!enabled)
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return S_OK;
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for (UINT32 i = 0; i < glyph_run->glyphCount; i++)
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run_width += glyph_run->glyphAdvances[i];
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glyph_run->fontFace->GetMetrics (&font_metrics);
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adjust = glyph_run->fontEmSize / font_metrics.designUnitsPerEm;
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ascent = adjust * font_metrics.ascent;
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descent = adjust * font_metrics.descent;
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bg_rect = D2D1::RectF (origin_x, origin_y - ascent, origin_x + run_width,
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origin_y + descent);
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target->CreateSolidColorBrush (color, &bg_brush);
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target->FillRectangle (bg_rect, bg_brush.Get ());
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target->DrawRectangle (bg_rect, bg_brush.Get ());
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return S_OK;
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}
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hr = factory->CreatePathGeometry (&geometry);
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if (FAILED (hr))
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return hr;
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@ -254,60 +224,11 @@ STDMETHODIMP
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sink->Close ();
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hr = factory->CreateTransformedGeometry (geometry.Get (),
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D2D1::Matrix3x2F::Translation (origin_x, origin_y) *
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D2D1::Matrix3x2F::Scale (render_ctx->scale), &transformed);
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D2D1::Matrix3x2F::Translation (origin_x, origin_y), &transformed);
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if (FAILED (hr))
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return hr;
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/* Create new path geometry from the bound rect.
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* Note that rect geometry cannot be used since the combined background
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* geometry might not be represented as a single rectangle */
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if (render_ctx->collect_geometry) {
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D2D1_RECT_F bounds;
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ComPtr < ID2D1RectangleGeometry > rect_geometry;
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ComPtr < ID2D1PathGeometry > path_geometry;
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ComPtr < ID2D1GeometrySink > path_sink;
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hr = transformed->GetBounds (nullptr, &bounds);
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if (FAILED (hr))
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return hr;
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bounds.left += render_ctx->background_padding.left;
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bounds.right += render_ctx->background_padding.right;
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bounds.top += render_ctx->background_padding.top;
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bounds.bottom += render_ctx->background_padding.bottom;
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bounds.left = MAX (bounds.left, (FLOAT) client_rect.left);
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bounds.right = MIN (bounds.right, (FLOAT) client_rect.right);
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bounds.top = MAX (bounds.top, (FLOAT) client_rect.top);
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bounds.bottom = MIN (bounds.bottom, (FLOAT) client_rect.bottom);
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hr = factory->CreateRectangleGeometry (bounds, &rect_geometry);
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if (FAILED (hr))
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return hr;
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hr = factory->CreatePathGeometry (&path_geometry);
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if (FAILED (hr))
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return hr;
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hr = path_geometry->Open (&path_sink);
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if (FAILED (hr))
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return hr;
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hr = rect_geometry->Outline (nullptr, path_sink.Get ());
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if (FAILED (hr))
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return hr;
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path_sink->Close ();
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render_ctx->backgrounds.push_back (path_geometry);
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return S_OK;
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}
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if (client_effect)
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client_effect->QueryInterface (IID_IGstDWriteTextEffect, &effect);
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if (effect) {
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D2D1_COLOR_F color;
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BOOL enabled;
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@ -325,13 +246,15 @@ STDMETHODIMP
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effect->GetBrushColor (GST_DWRITE_BRUSH_SHADOW, &color, &enabled);
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if (enabled)
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target->CreateSolidColorBrush (color, &shadow_brush);
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effect->GetEnableColorFont (&enable_color_font);
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} else {
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target->CreateSolidColorBrush (D2D1::ColorF (D2D1::ColorF::Black), &brush);
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outline_brush = brush;
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}
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#ifdef HAVE_DWRITE_COLOR_FONT
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if (render_ctx->enable_color_font) {
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if (enable_color_font) {
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const DWRITE_GLYPH_IMAGE_FORMATS supported_formats =
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DWRITE_GLYPH_IMAGE_FORMATS_TRUETYPE |
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DWRITE_GLYPH_IMAGE_FORMATS_CFF |
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@ -422,10 +345,10 @@ STDMETHODIMP
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#endif /* HAVE_DWRITE_COLOR_FONT */
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if (shadow_brush) {
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/* TODO: do we want to make this shadow configurable ? */
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FLOAT adjust = glyph_run->fontEmSize * 0.06;
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hr = factory->CreateTransformedGeometry (geometry.Get (),
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D2D1::Matrix3x2F::Translation (origin_x + 1.5, origin_y + 1.5) *
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D2D1::Matrix3x2F::Scale (render_ctx->scale), &shadow_transformed);
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D2D1::Matrix3x2F::Translation (origin_x + adjust, origin_y + adjust),
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&shadow_transformed);
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if (FAILED (hr))
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return hr;
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@ -459,7 +382,7 @@ STDMETHODIMP
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g_assert (context != nullptr);
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render_ctx = (RenderContext *) context;
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if (render_ctx->collect_geometry)
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if (render_ctx->render_path == RenderPath::BACKGROUND)
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return S_OK;
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target = render_ctx->target;
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@ -474,8 +397,7 @@ STDMETHODIMP
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}
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hr = factory->CreateTransformedGeometry (geometry.Get (),
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D2D1::Matrix3x2F::Translation (origin_x, origin_y) *
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D2D1::Matrix3x2F::Scale (render_ctx->scale), &transformed);
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D2D1::Matrix3x2F::Translation (origin_x, origin_y), &transformed);
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if (FAILED (hr)) {
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GST_WARNING ("Couldn't create transformed geometry, 0x%x", (guint) hr);
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return hr;
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@ -518,7 +440,7 @@ STDMETHODIMP
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g_assert (context != nullptr);
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render_ctx = (RenderContext *) context;
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if (render_ctx->collect_geometry)
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if (render_ctx->render_path == RenderPath::BACKGROUND)
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return S_OK;
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target = render_ctx->target;
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@ -534,8 +456,7 @@ STDMETHODIMP
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}
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hr = factory->CreateTransformedGeometry (geometry.Get (),
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D2D1::Matrix3x2F::Translation (origin_x, origin_y) *
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D2D1::Matrix3x2F::Scale (render_ctx->scale), &transformed);
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D2D1::Matrix3x2F::Translation (origin_x, origin_y), &transformed);
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if (FAILED (hr)) {
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GST_WARNING ("Couldn't create transformed geometry, 0x%x", (guint) hr);
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@ -582,11 +503,8 @@ IGstDWriteTextRenderer::~IGstDWriteTextRenderer (void)
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STDMETHODIMP
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IGstDWriteTextRenderer::Draw (const D2D1_POINT_2F & origin,
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const D2D1_SIZE_F & scale, const RECT & client_rect,
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const D2D1_COLOR_F & background_color,
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const D2D1_RECT_F & background_padding,
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gboolean enable_color_font,
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IDWriteTextLayout * layout, ID2D1RenderTarget * target)
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const RECT & client_rect, IDWriteTextLayout * layout,
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ID2D1RenderTarget * target)
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{
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HRESULT hr;
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RenderContext context;
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@ -596,40 +514,14 @@ STDMETHODIMP
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g_return_val_if_fail (target != nullptr, E_INVALIDARG);
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target->GetFactory (&d2d_factory);
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context.render_path = RenderPath::BACKGROUND;
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context.client_rect = client_rect;
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context.target = target;
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context.factory = d2d_factory.Get ();
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context.scale = scale;
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context.enable_color_font = enable_color_font;
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if (IGstDWriteTextEffect::IsEnabledColor (background_color)) {
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ComPtr < ID2D1Geometry > geometry;
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context.collect_geometry = TRUE;
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context.background_padding = background_padding;
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hr = layout->Draw (&context, this, origin.x, origin.y);
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if (FAILED (hr)) {
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GST_WARNING ("Couldn't draw layout for collecting geometry, 0x%x",
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(guint) hr);
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return hr;
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}
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CombineGeometries (d2d_factory.Get (), context.backgrounds, &geometry);
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if (geometry) {
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ComPtr < ID2D1SolidColorBrush > brush;
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hr = target->CreateSolidColorBrush (background_color, &brush);
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if (FAILED (hr)) {
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GST_WARNING ("Couldn't create solid brush, 0x%x", (guint) hr);
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return hr;
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}
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target->FillGeometry (geometry.Get (), brush.Get ());
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}
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}
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context.collect_geometry = FALSE;
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context.render_path = RenderPath::TEXT;
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hr = layout->Draw (&context, this, origin.x, origin.y);
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if (FAILED (hr)) {
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@ -74,11 +74,7 @@ public:
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/* Entry point for drawing text */
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STDMETHODIMP Draw (const D2D1_POINT_2F & origin,
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const D2D1_SIZE_F & scale,
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const RECT & client_rect,
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const D2D1_COLOR_F & background_color,
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const D2D1_RECT_F & background_padding,
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gboolean enable_color_font,
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IDWriteTextLayout * layout,
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ID2D1RenderTarget * target);
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@ -115,7 +115,6 @@ struct _GstDWriteBaseOverlayPrivate
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D2D_POINT_2F layout_origin;
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D2D_POINT_2F layout_size;
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D2D1_RECT_F background_padding;
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std::wstring prev_text;
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std::wstring cur_text;
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@ -771,7 +770,6 @@ gst_dwrite_base_overlay_update_text_format (GstDWriteBaseOverlay * self)
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{
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GstDWriteBaseOverlayPrivate *priv = self->priv;
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FLOAT font_size;
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FLOAT background_padding;
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HRESULT hr;
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if (priv->text_format)
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@ -785,12 +783,6 @@ gst_dwrite_base_overlay_update_text_format (GstDWriteBaseOverlay * self)
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font_size = priv->font_size;
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}
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background_padding = (font_size / priv->font_size) * 5.0f;
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priv->background_padding.left = priv->background_padding.top =
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-background_padding;
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priv->background_padding.right = priv->background_padding.bottom =
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background_padding;
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std::wstring wfont_family = gst_dwrite_string_to_wstring (priv->font_family);
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hr = priv->dwrite_factory->CreateTextFormat (wfont_family.c_str (), nullptr,
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@ -863,6 +855,11 @@ gst_dwrite_base_overlay_create_layout (GstDWriteBaseOverlay * self,
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color = unpack_argb (priv->shadow_color);
|
||||
effect->SetBrushColor (GST_DWRITE_BRUSH_SHADOW, &color);
|
||||
|
||||
color = unpack_argb (priv->background_color);
|
||||
effect->SetBrushColor (GST_DWRITE_BRUSH_BACKGROUND, &color);
|
||||
|
||||
effect->SetEnableColorFont (priv->color_font);
|
||||
|
||||
hr = priv->layout->SetDrawingEffect (effect.Get (), range);
|
||||
if (FAILED (hr)) {
|
||||
GST_ERROR_OBJECT (self, "Couldn't set drawing effect");
|
||||
|
|
@ -881,8 +878,6 @@ gst_dwrite_base_overlay_transform (GstBaseTransform * trans, GstBuffer * inbuf,
|
|||
GstDWriteBaseOverlayPrivate *priv = self->priv;
|
||||
GstDWriteBaseOverlayClass *klass = GST_DWRITE_BASE_OVERLAY_GET_CLASS (self);
|
||||
std::lock_guard < std::mutex > lk (priv->prop_lock);
|
||||
D2D1_COLOR_F bg_color;
|
||||
D2D1_RECT_F bg_padding = D2D1::RectF ();
|
||||
|
||||
if (!priv->overlay) {
|
||||
GST_ERROR_OBJECT (self, "Overlay object is not configured");
|
||||
|
|
@ -897,13 +892,8 @@ gst_dwrite_base_overlay_transform (GstBaseTransform * trans, GstBuffer * inbuf,
|
|||
return GST_FLOW_ERROR;
|
||||
}
|
||||
|
||||
bg_color = unpack_argb (priv->background_color);
|
||||
if (priv->background_color)
|
||||
bg_padding = priv->background_padding;
|
||||
|
||||
if (!gst_dwrite_overlay_object_draw (priv->overlay, outbuf,
|
||||
priv->layout.Get (), bg_color, bg_padding, priv->color_font,
|
||||
priv->layout_origin.x, priv->layout_origin.y)) {
|
||||
priv->layout.Get (), priv->layout_origin.x, priv->layout_origin.y)) {
|
||||
GST_ERROR_OBJECT (self, "Draw failed");
|
||||
return GST_FLOW_ERROR;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1055,14 +1055,12 @@ gst_dwrite_overlay_object_get_target_from_bitmap (GstDWriteOverlayObject * self,
|
|||
|
||||
static gboolean
|
||||
gst_dwrite_overlay_object_draw_layout (GstDWriteOverlayObject * self,
|
||||
IDWriteTextLayout * layout, D2D1_COLOR_F background_color,
|
||||
D2D1_RECT_F background_padding, gboolean enable_color_font, gint x, gint y)
|
||||
IDWriteTextLayout * layout, gint x, gint y)
|
||||
{
|
||||
GstDWriteOverlayObjectPrivate *priv = self->priv;
|
||||
gint width, height;
|
||||
GstMemory *mem;
|
||||
ComPtr < ID2D1RenderTarget > target;
|
||||
D2D1_POINT_2F origin;
|
||||
GstMapInfo info;
|
||||
|
||||
if (priv->layout_buf) {
|
||||
|
|
@ -1136,14 +1134,10 @@ gst_dwrite_overlay_object_draw_layout (GstDWriteOverlayObject * self,
|
|||
}
|
||||
}
|
||||
|
||||
origin.x = 0;
|
||||
origin.y = 0;
|
||||
|
||||
target->BeginDraw ();
|
||||
target->Clear (D2D1::ColorF (D2D1::ColorF::Black, 0.0));
|
||||
priv->renderer->Draw (D2D1::Point2F (), D2D1::SizeF (1.0, 1.0),
|
||||
D2D1::Rect (0, 0, width, height), background_color,
|
||||
background_padding, enable_color_font, layout, target.Get ());
|
||||
priv->renderer->Draw (D2D1::Point2F (),
|
||||
D2D1::Rect (0, 0, width, height), layout, target.Get ());
|
||||
target->EndDraw ();
|
||||
|
||||
if (!priv->use_bitmap) {
|
||||
|
|
@ -1279,17 +1273,13 @@ error:
|
|||
|
||||
gboolean
|
||||
gst_dwrite_overlay_object_draw (GstDWriteOverlayObject * object,
|
||||
GstBuffer * buffer, IDWriteTextLayout * layout,
|
||||
D2D1_COLOR_F background_color, D2D1_RECT_F background_padding,
|
||||
gboolean enable_color_font, gint x, gint y)
|
||||
GstBuffer * buffer, IDWriteTextLayout * layout, gint x, gint y)
|
||||
{
|
||||
GstDWriteOverlayObjectPrivate *priv = object->priv;
|
||||
gboolean ret = FALSE;
|
||||
|
||||
if (!gst_dwrite_overlay_object_draw_layout (object, layout, background_color,
|
||||
background_padding, enable_color_font, x, y)) {
|
||||
if (!gst_dwrite_overlay_object_draw_layout (object, layout, x, y))
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
switch (priv->blend_mode) {
|
||||
case GstDWriteBlendMode::ATTACH_TEXTURE:
|
||||
|
|
|
|||
|
|
@ -103,9 +103,6 @@ GstFlowReturn gst_dwrite_overlay_object_prepare_output (GstDWriteOverlayObject *
|
|||
gboolean gst_dwrite_overlay_object_draw (GstDWriteOverlayObject * object,
|
||||
GstBuffer * buffer,
|
||||
IDWriteTextLayout * layout,
|
||||
D2D1_COLOR_F background_color,
|
||||
D2D1_RECT_F background_padding,
|
||||
gboolean enable_color_font,
|
||||
gint x,
|
||||
gint y);
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue