Line data    Source code

       1             : /**
       2             :  Copyright (c) 2023 Stappler LLC <admin@stappler.dev>
       3             : 
       4             :  Permission is hereby granted, free of charge, to any person obtaining a copy
       5             :  of this software and associated documentation files (the "Software"), to deal
       6             :  in the Software without restriction, including without limitation the rights
       7             :  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
       8             :  copies of the Software, and to permit persons to whom the Software is
       9             :  furnished to do so, subject to the following conditions:
      10             : 
      11             :  The above copyright notice and this permission notice shall be included in
      12             :  all copies or substantial portions of the Software.
      13             : 
      14             :  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
      15             :  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      16             :  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
      17             :  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
      18             :  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
      19             :  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
      20             :  THE SOFTWARE.
      21             :  **/
      22             : 
      23             : #ifndef XENOLITH_RENDERER_BASIC2D_XL2DLAYER_H_
      24             : #define XENOLITH_RENDERER_BASIC2D_XL2DLAYER_H_
      25             : 
      26             : #include "XL2dSprite.h"
      27             : 
      28             : namespace STAPPLER_VERSIONIZED stappler::xenolith::basic2d {
      29             : 
      30             : struct SimpleGradient {
      31             :         using Color = Color4B;
      32             :         using ColorRef = const Color &;
      33             : 
      34             :         static const Vec2 Vertical;
      35             :         static const Vec2 Horizontal;
      36             : 
      37             :         static SimpleGradient progress(const SimpleGradient &a, const SimpleGradient &b, float p);
      38             : 
      39             :         SimpleGradient();
      40             :         SimpleGradient(ColorRef);
      41             :         SimpleGradient(ColorRef start, ColorRef end, const Vec2 & = Vertical);
      42             :         SimpleGradient(ColorRef bl, ColorRef br, ColorRef tl, ColorRef tr);
      43             : 
      44             :         bool hasAlpha() const;
      45             :         bool isMono() const;
      46             : 
      47             :         bool operator==(const SimpleGradient &) const;
      48             :         bool operator!=(const SimpleGradient &) const;
      49             : 
      50             :         Color4B colors[4]; // bl - br - tl - tr
      51             : };
      52             : 
      53             : /**
      54             :  *  Layer is a simple layout sprite, colored with solid color or simple linear gradient
      55             :  */
      56             : class Layer : public Sprite {
      57             : public:
      58         606 :         virtual ~Layer() { }
      59             : 
      60             :         virtual bool init() override;
      61             :         virtual bool init(const Color4F &);
      62             :         virtual bool init(const SimpleGradient &);
      63             : 
      64             :         virtual void onContentSizeDirty() override;
      65             : 
      66             :         virtual void setGradient(const SimpleGradient &);
      67             :         virtual const SimpleGradient &getGradient() const;
      68             : 
      69             : protected:
      70             :         using Sprite::init;
      71             : 
      72             :         virtual void updateVertexes() override;
      73             :         virtual void updateVertexesColor() override;
      74             : 
      75             :         virtual RenderingLevel getRealRenderingLevel() const override;
      76             : 
      77             :         virtual void pushShadowCommands(FrameInfo &, NodeFlags flags, const Mat4 &,
      78             :                         SpanView<TransformVertexData> = SpanView<TransformVertexData>()) override;
      79             : 
      80             :         SimpleGradient _gradient;
      81             : };
      82             : 
      83             : }
      84             : 
      85             : namespace STAPPLER_VERSIONIZED stappler {
      86             : 
      87             : template <> inline
      88             : xenolith::basic2d::SimpleGradient progress<xenolith::basic2d::SimpleGradient>(const xenolith::basic2d::SimpleGradient &a,
      89             :                 const xenolith::basic2d::SimpleGradient &b, float p) {
      90             :         return xenolith::basic2d::SimpleGradient::progress(a, b, p);
      91             : }
      92             : 
      93             : }
      94             : 
      95             : #endif /* XENOLITH_RENDERER_BASIC2D_XL2DLAYER_H_ */