108 lines
3.4 KiB
C++
108 lines
3.4 KiB
C++
/*
|
|
* Copyright (c) 2020-2021 Samsung Electronics Co., Ltd. All rights reserved.
|
|
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
|
|
* The above copyright notice and this permission notice shall be included in all
|
|
* copies or substantial portions of the Software.
|
|
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*/
|
|
#ifndef _TVG_RENDER_H_
|
|
#define _TVG_RENDER_H_
|
|
|
|
#include "tvgCommon.h"
|
|
#include "tvgArray.h"
|
|
|
|
namespace tvg
|
|
{
|
|
|
|
enum RenderUpdateFlag {None = 0, Path = 1, Color = 2, Gradient = 4, Stroke = 8, Transform = 16, Image = 32, GradientStroke = 64, All = 127};
|
|
|
|
struct Surface
|
|
{
|
|
//TODO: Union for multiple types
|
|
uint32_t* buffer;
|
|
uint32_t stride;
|
|
uint32_t w, h;
|
|
uint32_t cs;
|
|
};
|
|
|
|
using RenderData = void*;
|
|
|
|
struct Compositor {
|
|
CompositeMethod method;
|
|
uint32_t opacity;
|
|
};
|
|
|
|
struct RenderRegion {
|
|
uint32_t x, y, w, h;
|
|
|
|
void intersect(const RenderRegion& rhs)
|
|
{
|
|
auto x1 = x + w;
|
|
auto y1 = y + h;
|
|
auto x2 = rhs.x + rhs.w;
|
|
auto y2 = rhs.y + rhs.h;
|
|
|
|
x = (x > rhs.x) ? x : rhs.x;
|
|
y = (y > rhs.y) ? y : rhs.y;
|
|
w = ((x1 < x2) ? x1 : x2) - x;
|
|
h = ((y1 < y2) ? y1 : y2) - y;
|
|
}
|
|
};
|
|
|
|
struct RenderTransform
|
|
{
|
|
Matrix m; //3x3 Matrix Elements
|
|
float x = 0.0f;
|
|
float y = 0.0f;
|
|
float degree = 0.0f; //rotation degree
|
|
float scale = 1.0f; //scale factor
|
|
bool overriding = false; //user transform?
|
|
|
|
bool update();
|
|
void override(const Matrix& m);
|
|
|
|
RenderTransform();
|
|
RenderTransform(const RenderTransform* lhs, const RenderTransform* rhs);
|
|
};
|
|
|
|
class RenderMethod
|
|
{
|
|
public:
|
|
virtual ~RenderMethod() {}
|
|
virtual RenderData prepare(const Shape& shape, RenderData data, const RenderTransform* transform, uint32_t opacity, Array<RenderData>& clips, RenderUpdateFlag flags) = 0;
|
|
virtual RenderData prepare(const Picture& picture, RenderData data, const RenderTransform* transform, uint32_t opacity, Array<RenderData>& clips, RenderUpdateFlag flags) = 0;
|
|
virtual bool preRender() = 0;
|
|
virtual bool renderShape(RenderData data) = 0;
|
|
virtual bool renderImage(RenderData data) = 0;
|
|
virtual bool postRender() = 0;
|
|
virtual bool dispose(RenderData data) = 0;
|
|
virtual RenderRegion region(RenderData data) = 0;
|
|
virtual RenderRegion viewport() = 0;
|
|
virtual bool viewport(const RenderRegion& vp) = 0;
|
|
|
|
virtual bool clear() = 0;
|
|
virtual bool sync() = 0;
|
|
|
|
virtual Compositor* target(const RenderRegion& region) = 0;
|
|
virtual bool beginComposite(Compositor* cmp, CompositeMethod method, uint32_t opacity) = 0;
|
|
virtual bool endComposite(Compositor* cmp) = 0;
|
|
};
|
|
|
|
}
|
|
|
|
#endif //_TVG_RENDER_H_
|