Merge pull request #288 from openscad/issue11_2

Issue11 2

1 files changed, 0 insertions, 247 deletions

diff --git a/tests/OffscreenContextWGL.cc b/tests/OffscreenContextWGL.cc
deleted file mode 100644
index 75a7ed2..0000000
--- a/tests/OffscreenContextWGL.cc
+++ /dev/null
@@ -1,247 +0,0 @@
-/*
-
-Create an OpenGL context without creating an OpenGL Window. for Windows.
-
-For more info:
-
-   http://www.nullterminator.net/opengl32.html by Blaine Hodge 
-   http://msdn.microsoft.com/en-us/library/ee418815(v=vs.85).aspx
-   http://www.cprogramming.com/tutorial/wgl_wiggle_functions.html by RoD
-    ( which includes robot.cc by Steven Billington )
-   http://blogs.msdn.com/b/oldnewthing/archive/2006/12/04/1205831.aspx by Tom
-*/
-
-#include <windows.h>
-#include <vector>
-
-#include "OffscreenContext.h"
-#include "printutils.h"
-#include "imageutils.h"
-#include "system-gl.h"
-#include "fbo.h"
-
-#include <GL/gl.h> // must be included after glew.h
-
-#include <map>
-#include <string>
-#include <sstream>
-
-using namespace std;
-
-struct OffscreenContext
-{
-  HWND window;
-  HDC dev_context;
-  HGLRC openGLContext;
-  int width;
-  int height;
-  fbo_t *fbo;
-};
-
-void offscreen_context_init(OffscreenContext &ctx, int width, int height)
-{
-  ctx.window = (HWND)NULL;
-  ctx.dev_context = (HDC)NULL;
-  ctx.openGLContext = (HGLRC)NULL;
-  ctx.width = width;
-  ctx.height = height;
-  ctx.fbo = NULL;
-}
-
-string get_os_info()
-{
-  OSVERSIONINFO osvi;
-
-  ZeroMemory(&osvi, sizeof(OSVERSIONINFO));
-  osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
-  GetVersionEx(&osvi);
-
-  SYSTEM_INFO si;
-  GetSystemInfo(&si);
-  map<WORD,const char*> archs;
-  archs[PROCESSOR_ARCHITECTURE_AMD64] = "amd64";
-  archs[PROCESSOR_ARCHITECTURE_IA64] = "itanium";
-  archs[PROCESSOR_ARCHITECTURE_INTEL] = "x86";
-  archs[PROCESSOR_ARCHITECTURE_UNKNOWN] = "unknown";
-
-  stringstream out;
-  out << "OS info: "
-      << "Microsoft(TM) Windows(TM) " << osvi.dwMajorVersion << " "
-      << osvi.dwMinorVersion << " " << osvi.dwBuildNumber << " "
-      << osvi.szCSDVersion;
-  if (archs.find(si.wProcessorArchitecture) != archs.end()) 
-    out << " " << archs[si.wProcessorArchitecture];
-  out << "\n";
-
-  out << "Machine: " << si.dwProcessorType;
-
-  return out.str();
-}
-
-string offscreen_context_getinfo(OffscreenContext *ctx)
-{
-  stringstream out;
-  out << "GL context creator: WGL\n"
-      << "PNG generator: lodepng\n"
-      << get_os_info();
-  return out.str();
-}
-
-LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam) 
-{
-  return DefWindowProc( hwnd, message, wparam, lparam );
-}
-
-bool create_wgl_dummy_context(OffscreenContext &ctx)
-{
-  // this function alters ctx->window and ctx->openGLContext 
-  //  and ctx->dev_context if successfull
-
-  // create window
-
-  HINSTANCE inst = GetModuleHandle(0);
-  WNDCLASS wc;
-  ZeroMemory( &wc, sizeof( wc ) );
-  wc.style = CS_OWNDC;
-  wc.lpfnWndProc = WndProc;
-  wc.hInstance = inst;
-  wc.lpszClassName = (LPCWSTR)"OpenSCAD";
-  RegisterClass( &wc );
-
-  HWND window = CreateWindow( (LPCWSTR)"OpenSCAD", (LPCWSTR)"OpenSCAD",
-    WS_CAPTION | WS_POPUPWINDOW,  //| WS_VISIBLE,
-    0, 0, ctx.width, ctx.height, NULL, NULL, inst, NULL );
-
-  if ( window==NULL ) {
-    cerr << "MS GDI - CreateWindow failed\n";
-    return false;
-  }
-
-  // create WGL context, make current
-
-  PIXELFORMATDESCRIPTOR pixformat;
-  int chosenformat;
-  HDC dev_context = GetDC( window );
-  if ( dev_context == NULL ) {
-      cerr << "MS GDI - GetDC failed\n";
-      return false;
-  }
-
-  ZeroMemory( &pixformat, sizeof( pixformat ) );
-  pixformat.nSize = sizeof( pixformat );
-  pixformat.nVersion = 1;
-  pixformat.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
-  pixformat.iPixelType = PFD_TYPE_RGBA;
-  pixformat.cGreenBits = 8;
-  pixformat.cRedBits = 8;
-  pixformat.cBlueBits = 8;
-  pixformat.cAlphaBits = 8;
-  pixformat.cDepthBits = 24;
-  pixformat.cStencilBits = 8;
-
-  chosenformat = ChoosePixelFormat( dev_context, &pixformat );
-  if (chosenformat==0) {
-    cerr << "MS GDI - ChoosePixelFormat failed\n";
-    return false;
-  }
-
-  bool spfok = SetPixelFormat( dev_context, chosenformat, &pixformat );
-  if (!spfok) {
-    cerr << "MS GDI - SetPixelFormat failed\n";
-    return false;
-  }
-
-  HGLRC gl_render_context = wglCreateContext( dev_context );
-  if ( gl_render_context == NULL ) {
-      cerr << "MS WGL - wglCreateContext failed\n";
-      ReleaseDC( ctx.window, ctx.dev_context );
-      return false;
-  }
-
-  bool mcok = wglMakeCurrent( dev_context, gl_render_context );
-  if (!mcok) {
-    cerr << "MS WGL - wglMakeCurrent failed\n";
-    return false;
-  }
-
-  ctx.window = window;
-  ctx.dev_context = dev_context;
-  ctx.openGLContext = gl_render_context;
-
-  return true;
-}
-
-
-OffscreenContext *create_offscreen_context(int w, int h)
-{
-  OffscreenContext *ctx = new OffscreenContext;
-  offscreen_context_init( *ctx, w, h );
-
-  // Before an FBO can be setup, a WGL context must be created. 
-  // This call alters ctx->window and ctx->openGLContext 
-  //  and ctx->dev_context if successfull
-  if (!create_wgl_dummy_context( *ctx )) {
-    return NULL;
-  }
-
-  GLenum err = glewInit(); // must come after Context creation and before FBO calls.
-  if (GLEW_OK != err) {
-    cerr << "Unable to init GLEW: " << glewGetErrorString(err) << "\n";
-    return NULL;
-  }
-  //cerr << glew_dump(0);
-
-  ctx->fbo = fbo_new();
-  if (!fbo_init(ctx->fbo, w, h)) {
-    return NULL;
-  }
-
-  return ctx;
-}
-
-bool teardown_offscreen_context(OffscreenContext *ctx)
-{
-  if (ctx) {
-    fbo_unbind(ctx->fbo);
-    fbo_delete(ctx->fbo);
-
-    wglMakeCurrent( NULL, NULL );
-    wglDeleteContext( ctx->openGLContext );
-    ReleaseDC( ctx->window, ctx->dev_context );
-
-    return true;
-  }
-  return false;
-}
-
-/*!
-  Capture framebuffer from OpenGL and write it to the given filename as PNG.
-*/
-bool save_framebuffer(OffscreenContext *ctx, const char *filename)
-{
-  wglSwapLayerBuffers( ctx->dev_context, WGL_SWAP_MAIN_PLANE );
-  if (!ctx || !filename) return false;
-  int samplesPerPixel = 4; // R, G, B and A
-  vector<GLubyte> pixels(ctx->width * ctx->height * samplesPerPixel);
-  glReadPixels(0, 0, ctx->width, ctx->height, GL_RGBA, GL_UNSIGNED_BYTE, &pixels[0]);
-
-  // Flip it vertically - images read from OpenGL buffers are upside-down
-  int rowBytes = samplesPerPixel * ctx->width;
-  unsigned char *flippedBuffer = (unsigned char *)malloc(rowBytes * ctx->height);
-  if (!flippedBuffer) {
-    std::cerr << "Unable to allocate flipped buffer for corrected image.";
-    return 1;
-  }
-  flip_image(&pixels[0], flippedBuffer, samplesPerPixel, ctx->width, ctx->height);
-
-  bool writeok = write_png(filename, flippedBuffer, ctx->width, ctx->height);
-
-  free(flippedBuffer);
-
-  return writeok;
-}
-
-void bind_offscreen_context(OffscreenContext *ctx)
-{
-  if (ctx) fbo_bind(ctx->fbo);
-}