skia-sys 0.20130412.3

2D graphic library for drawing Text, Geometries, and Images. FFI bindings only.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50

/*
 * Copyright 2013 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#ifndef GrCustomCoordsTextureEffect_DEFINED
#define GrCustomCoordsTextureEffect_DEFINED

#include "GrEffect.h"
#include "GrVertexEffect.h"

class GrGLCustomCoordsTextureEffect;

/**
 * The output color of this effect is a modulation of the input color and a sample from a texture.
 * It allows explicit specification of the filtering and wrap modes (GrTextureParams). The input
 * coords are a custom attribute.
 */
class GrCustomCoordsTextureEffect : public GrVertexEffect {
public:
    static GrEffectRef* Create(GrTexture* tex, const GrTextureParams& p) {
        AutoEffectUnref effect(SkNEW_ARGS(GrCustomCoordsTextureEffect, (tex, p)));
        return CreateEffectRef(effect);
    }

    virtual ~GrCustomCoordsTextureEffect() {}

    static const char* Name() { return "Texture"; }

    virtual void getConstantColorComponents(GrColor* color, uint32_t* validFlags) const SK_OVERRIDE;

    typedef GrGLCustomCoordsTextureEffect GLEffect;

    virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE;

private:
    GrCustomCoordsTextureEffect(GrTexture* texture, const GrTextureParams& params);

    virtual bool onIsEqual(const GrEffect& other) const SK_OVERRIDE;

    GrTextureAccess fTextureAccess;

    GR_DECLARE_EFFECT_TEST;

    typedef GrVertexEffect INHERITED;
};

#endif