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Blend mode fixes for renderer and texture #290

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Merged
merged 1 commit into from
Jan 26, 2015
Merged

Blend mode fixes for renderer and texture #290

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23 changes: 20 additions & 3 deletions src/sdl2/render.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@ use SdlResult;
use std::mem;
use std::ptr;
use std::raw;
use libc::{c_int, uint32_t, c_float, c_double, c_void};
use libc::{c_int, c_uint, uint32_t, c_float, c_double, c_void};
use rect::Point;
use rect::Rect;
use std::ffi::c_str_to_bytes;
Expand Down Expand Up @@ -195,6 +195,23 @@ impl Renderer {
}
}

pub fn set_blend_mode(&self, blend: BlendMode) -> SdlResult<()> {
let ret = unsafe { ll::SDL_SetRenderDrawBlendMode(self.raw, FromPrimitive::from_i64(blend as i64).unwrap()) };

if ret == 0 { Ok(()) }
else { Err(get_error()) }
}

pub fn get_blend_mode(&self) -> SdlResult<BlendMode> {
let blend: c_uint = 0;
let result = unsafe { ll::SDL_GetRenderDrawBlendMode(self.raw, &blend) == 0 };
if result {
Ok(FromPrimitive::from_i64(blend as i64).unwrap())
} else {
Err(get_error())
}
}

pub fn clear(&self) -> SdlResult<()> {
let ret = unsafe { ll::SDL_RenderClear(self.raw) };
if ret == 0 { Ok(()) }
Expand Down Expand Up @@ -579,8 +596,8 @@ impl Texture {
}

pub fn get_blend_mode(&self) -> SdlResult<BlendMode> {
let blend: i64 = 0;
let result = unsafe { ll::SDL_GetTextureBlendMode(self.raw, &FromPrimitive::from_i64(blend as i64).unwrap()) == 0 };
let blend: c_uint = 0;
let result = unsafe { ll::SDL_GetTextureBlendMode(self.raw, &blend) == 0 };
if result {
Ok(FromPrimitive::from_i64(blend as i64).unwrap())
} else {
Expand Down