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15f0bd2461
... and simplify background rendering Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5121>
71 lines
2.3 KiB
C++
71 lines
2.3 KiB
C++
/* GStreamer
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* Copyright (C) 2023 Seungha Yang <seungha@centricular.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#pragma once
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#include <gst/gst.h>
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#include "gstdwrite-enums.h"
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enum GST_DWRITE_BRUSH_TARGET
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{
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GST_DWRITE_BRUSH_FORGROUND = 0,
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GST_DWRITE_BRUSH_OUTLINE,
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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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0x11ed, 0xa2, 0x61, 0x02, 0x42, 0xac, 0x12, 0x00, 0x02);
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class IGstDWriteTextEffect : public IUnknown
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{
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public:
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static STDMETHODIMP CreateInstance (IGstDWriteTextEffect ** effect);
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static STDMETHODIMP_ (BOOL) IsEnabledColor (const D2D1_COLOR_F & color);
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/* IUnknown */
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STDMETHODIMP_ (ULONG) AddRef (void);
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STDMETHODIMP_ (ULONG) Release (void);
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STDMETHODIMP QueryInterface (REFIID riid,
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void ** object);
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/* effect methods */
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STDMETHODIMP Clone (IGstDWriteTextEffect ** effect);
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STDMETHODIMP GetBrushColor (GST_DWRITE_BRUSH_TARGET target,
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D2D1_COLOR_F * color,
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BOOL * enabled);
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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_LAST];
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BOOL enable_color_font_ = FALSE;
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};
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