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21116995d7
* 1. Remove all global include_directories.
* 2. Move 3d party dependencies from src to budled deps if possible.
* Unify and enforce one way of including headers:
e.g. #include "libslic3r/GCode.hpp" vs #include "GCode.hpp"
(always use the "libslic3r/GCode.hpp" option).
* Make all dependencies (also header only) a cmake target.
55 lines
1.3 KiB
C++
55 lines
1.3 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public License
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// v. 2.0. If a copy of the MPL was not distributed with this file, You can
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// obtain one at http://mozilla.org/MPL/2.0/.
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#include "render_to_png_async.h"
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#include "../opengl/gl.h"
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#include <igl_stb_image.h>
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static IGL_INLINE bool render_to_png_async_helper(
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unsigned char * img, int width, int height,
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const std::string png_file,
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const bool alpha,
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const bool fast)
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{
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//img->flip();
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if(!alpha)
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{
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for(int i = 0;i<width;i++)
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for(int j = 0;j<height;j++)
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{
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img[4*(i+j*width)+3] = 255;
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}
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}
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bool ret = igl::stbi_write_png(png_file.c_str(), width, height, 4, img, width*sizeof(unsigned char));
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delete [] img;
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return ret;
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}
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IGL_INLINE std::thread igl::png::render_to_png_async(
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const std::string png_file,
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const int width,
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const int height,
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const bool alpha,
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const bool fast)
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{
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// Part that should serial
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unsigned char * data = new unsigned char[width*height];
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glReadPixels(
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0,
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0,
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width,
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height,
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GL_RGBA,
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GL_UNSIGNED_BYTE,
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data);
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// Part that should be asynchronous
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std::thread t(render_to_png_async_helper,data,width,height,png_file,alpha,fast);
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t.detach();
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return t;
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}
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