Line data    Source code

       1             : /*
       2             :  * Copyright 2016 Google Inc.
       3             :  *
       4             :  * Use of this source code is governed by a BSD-style license that can be
       5             :  * found in the LICENSE file.
       6             :  */
       7             : 
       8             : #ifndef GrScissorState_DEFINED
       9             : #define GrScissorState_DEFINED
      10             : 
      11             : #include "SkRect.h"
      12             : 
      13             : class GrScissorState {
      14             : public:
      15           0 :     GrScissorState() : fEnabled(false) {}
      16           0 :     GrScissorState(const SkIRect& rect) : fEnabled(true), fRect(rect) {}
      17           0 :     void setDisabled() { fEnabled = false; }
      18           0 :     void set(const SkIRect& rect) { fRect = rect; fEnabled = true; }
      19           0 :     bool SK_WARN_UNUSED_RESULT intersect(const SkIRect& rect) {
      20           0 :         if (!fEnabled) {
      21           0 :             this->set(rect);
      22           0 :             return true;
      23             :         }
      24           0 :         return fRect.intersect(rect);
      25             :     }
      26           0 :     bool operator==(const GrScissorState& other) const {
      27           0 :         return fEnabled == other.fEnabled &&
      28           0 :                 (false == fEnabled || fRect == other.fRect);
      29             :     }
      30           0 :     bool operator!=(const GrScissorState& other) const { return !(*this == other); }
      31             : 
      32           0 :     bool enabled() const { return fEnabled; }
      33           0 :     const SkIRect& rect() const { return fRect; }
      34             : 
      35             : private:
      36             :     bool    fEnabled;
      37             :     SkIRect fRect;
      38             : };
      39             : 
      40             : #endif