sfml 0.10.1

Rust binding for sfml
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/*
* Rust-SFML - Copyright (c) 2013 Letang Jeremy.
*
* The original software, SFML library, is provided by Laurent Gomila.
*
* This software is provided 'as-is', without any express or implied warranty.
* In no event will the authors be held liable for any damages arising from
* the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not claim
*    that you wrote the original software. If you use this software in a product,
*    an acknowledgment in the product documentation would be appreciated but is
*    not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
*    misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source distribution.
*/

//! Available blending modes for drawing
use csfml_graphics_sys as ffi;

use csfml_graphics_sys::sfBlendEquation::*;
use csfml_graphics_sys::sfBlendFactor::*;

///Available Blending modes for drawing.
#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Debug, Copy)]
pub struct BlendMode(pub ffi::sfBlendMode);

impl BlendMode {

    ///Create a new BlendMode
    pub fn new(
      col_src: ffi::sfBlendFactor,
      col_dst: ffi::sfBlendFactor,
      col_equ: ffi::sfBlendEquation,
      alpha_src: ffi::sfBlendFactor,
      alpha_dst: ffi::sfBlendFactor,
      alpha_equ: ffi::sfBlendEquation)
        -> BlendMode {
        BlendMode(ffi::sfBlendMode {
          colorSrcFactor: col_src,
          colorDstFactor: col_dst,
          colorEquation: col_equ,
          alphaSrcFactor: alpha_src,
          alphaDstFactor: alpha_dst,
          alphaEquation: alpha_equ,
        })
    }

    ///BlendMode ALPHA
    pub fn blend_alpha() -> BlendMode {
        BlendMode::new(
          sfBlendFactorSrcAlpha,
          sfBlendFactorOneMinusSrcAlpha,
          sfBlendEquationAdd,
          sfBlendFactorOne,
          sfBlendFactorOneMinusSrcAlpha,
          sfBlendEquationAdd)
    }

    ///BlendMode ADD
    pub fn blend_add() -> BlendMode {
        BlendMode::new(
          sfBlendFactorSrcAlpha,
          sfBlendFactorOne,
          sfBlendEquationAdd,
          sfBlendFactorOne,
          sfBlendFactorOne,
          sfBlendEquationAdd)
    }

    ///BlendMode MULTIPLY
    pub fn blend_multiply() -> BlendMode {
        BlendMode::new(
          sfBlendFactorDstColor,
          sfBlendFactorZero,
          sfBlendEquationAdd,
          sfBlendFactorDstColor,
          sfBlendFactorZero,
          sfBlendEquationAdd)
    }
    ///BlendMode NONE
    pub fn blend_none() -> BlendMode {
        BlendMode::new(
          sfBlendFactorOne,
          sfBlendFactorZero,
          sfBlendEquationAdd,
          sfBlendFactorOne,
          sfBlendFactorZero,
          sfBlendEquationAdd)
    }
}