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      1 /* Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2  * Use of this source code is governed by a BSD-style license that can be
      3  * found in the LICENSE file.
      4  */
      5 
      6 /* From pp_rect.idl modified Tue Jun  3 12:31:06 2014. */
      7 
      8 #ifndef PPAPI_C_PP_RECT_H_
      9 #define PPAPI_C_PP_RECT_H_
     10 
     11 #include "ppapi/c/pp_macros.h"
     12 #include "ppapi/c/pp_point.h"
     13 #include "ppapi/c/pp_size.h"
     14 #include "ppapi/c/pp_stdint.h"
     15 
     16 /**
     17  * @file
     18  * This file defines the APIs for creating a 2 dimensional rectangle.
     19  */
     20 
     21 
     22 /**
     23  * @addtogroup Structs
     24  * @{
     25  */
     26 /**
     27  * The <code>PP_Rect</code> struct contains the size and location of a 2D
     28  * rectangle.
     29  */
     30 struct PP_Rect {
     31   /**
     32    * This value represents the x and y coordinates of the upper-left corner of
     33    * the rectangle.
     34    */
     35   struct PP_Point point;
     36   /** This value represents the width and height of the rectangle. */
     37   struct PP_Size size;
     38 };
     39 PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_Rect, 16);
     40 
     41 /**
     42  * The <code>PP_FloatRect</code> struct contains the size and location of a 2D
     43  * rectangle.
     44  */
     45 struct PP_FloatRect {
     46   /**
     47    * This value represents the x and y coordinates of the upper-left corner of
     48    * the rectangle.
     49    */
     50   struct PP_FloatPoint point;
     51   /** This value represents the width and height of the rectangle. */
     52   struct PP_FloatSize size;
     53 };
     54 /**
     55  * @}
     56  */
     57 
     58 
     59 /**
     60  * @addtogroup Functions
     61  * @{
     62  */
     63 
     64 /**
     65  * PP_MakeRectFromXYWH() creates a <code>PP_Rect</code> given x and y
     66  * coordinates and width and height dimensions as int32_t values.
     67  *
     68  * @param[in] x An int32_t value representing a horizontal coordinate of a
     69  * point, starting with 0 as the left-most coordinate.
     70  * @param[in] y An int32_t value representing a vertical coordinate of a point,
     71  * starting with 0 as the top-most coordinate.
     72  * @param[in] w An int32_t value representing a width.
     73  * @param[in] h An int32_t value representing a height.
     74  *
     75  * @return A <code>PP_Rect</code> structure.
     76  */
     77 PP_INLINE struct PP_Rect PP_MakeRectFromXYWH(int32_t x, int32_t y,
     78                                              int32_t w, int32_t h) {
     79   struct PP_Rect ret;
     80   ret.point.x = x;
     81   ret.point.y = y;
     82   ret.size.width = w;
     83   ret.size.height = h;
     84   return ret;
     85 }
     86 
     87 /**
     88  * PP_MakeFloatRectFromXYWH() creates a <code>PP_FloatRect</code> given x and y
     89  * coordinates and width and height dimensions as float values.
     90  *
     91  * @param[in] x An float value representing a horizontal coordinate of a
     92  * point, starting with 0 as the left-most coordinate.
     93  * @param[in] y An float value representing a vertical coordinate of a point,
     94  * starting with 0 as the top-most coordinate.
     95  * @param[in] w An float value representing a width.
     96  * @param[in] h An float value representing a height.
     97  *
     98  * @return A <code>PP_FloatRect</code> structure.
     99  */
    100 PP_INLINE struct PP_FloatRect PP_MakeFloatRectFromXYWH(float x, float y,
    101                                                        float w, float h) {
    102   struct PP_FloatRect ret;
    103   ret.point.x = x;
    104   ret.point.y = y;
    105   ret.size.width = w;
    106   ret.size.height = h;
    107   return ret;
    108 }
    109 
    110 /**
    111  * @}
    112  */
    113 
    114 #endif  /* PPAPI_C_PP_RECT_H_ */
    115 
    116