mirror of https://github.com/vitalif/openscad
67 lines
1.3 KiB
C++
67 lines
1.3 KiB
C++
/*
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Create an NULL OpenGL context that doesnt actually use any OpenGL code,
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and can be compiled on a system without OpenGL.
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*/
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#include <vector>
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#include "OffscreenContext.h"
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#include "printutils.h"
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#include "imageutils.h"
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#include <map>
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#include <string>
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#include <sstream>
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using namespace std;
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struct OffscreenContext
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{
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int width;
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int height;
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};
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void offscreen_context_init(OffscreenContext &ctx, int width, int height)
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{
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ctx.width = width;
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ctx.height = height;
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}
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string offscreen_context_getinfo(OffscreenContext *ctx)
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{
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return string("NULLGL");
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}
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OffscreenContext *create_offscreen_context(int w, int h)
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{
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OffscreenContext *ctx = new OffscreenContext;
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offscreen_context_init( *ctx, w, h );
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}
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bool teardown_offscreen_context(OffscreenContext *ctx)
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{
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return true;
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}
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bool save_framebuffer(OffscreenContext *ctx, char const * filename)
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{
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std::ofstream fstream(filename,std::ios::out|std::ios::binary);
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if (!fstream.is_open()) {
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std::cerr << "Can't open file " << filename << " for writing";
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return false;
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} else {
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save_framebuffer(ctx, fstream);
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fstream.close();
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}
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return true;
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}
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bool save_framebuffer(OffscreenContext *ctx, std::ostream &output)
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{
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output << "NULLGL framebuffer";
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return true;
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}
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