Ejemplo n.º 1
0
void arglDispImage(ARUint8 *image, const ARParam *cparam, const double zoom, ARGL_CONTEXT_SETTINGS_REF contextSettings)
{
	GLint texEnvModeSave;	
	GLboolean lightingSave;
	GLboolean depthTestSave;
#ifdef ARGL_DEBUG
	GLenum			err;
	const GLubyte	*errs;
#endif // ARGL_DEBUG

	if (!image) return;

	// Prepare an orthographic projection, set camera position for 2D drawing, and save GL state.
	glGetTexEnviv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, &texEnvModeSave); // Save GL texture environment mode.
	if (texEnvModeSave != GL_REPLACE) glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
	lightingSave = glIsEnabled(GL_LIGHTING);			// Save enabled state of lighting.
	if (lightingSave == GL_TRUE) glDisable(GL_LIGHTING);
	depthTestSave = glIsEnabled(GL_DEPTH_TEST);		// Save enabled state of depth test.
	if (depthTestSave == GL_TRUE) glDisable(GL_DEPTH_TEST);
	glMatrixMode(GL_PROJECTION);
	glPushMatrix();
	glLoadIdentity();
	gluOrtho2D(0, cparam->xsize, 0, cparam->ysize);
	glMatrixMode(GL_MODELVIEW);
	glPushMatrix();
	glLoadIdentity();		
	
	if (arDebug) { // Globals from ar.h: arDebug, arImage, arImageProcMode.
		if (arImage) {
			if (arImageProcMode == AR_IMAGE_PROC_IN_HALF) {
				ARParam cparamScaled = *cparam;
				cparamScaled.xsize /= 2;
				cparamScaled.ysize /= 2;
				arglDispImageStateful(arImage, &cparamScaled, zoom * 2.0, contextSettings);
			} else {
				arglDispImageStateful(arImage, cparam, zoom, contextSettings);
			}
		}
	} else {
		arglDispImageStateful(image, cparam, zoom, contextSettings);
	}

	// Restore previous projection, camera position, and GL state.
	glMatrixMode(GL_PROJECTION);
	glPopMatrix();
	glMatrixMode(GL_MODELVIEW);
	glPopMatrix();
	if (depthTestSave == GL_TRUE) glEnable(GL_DEPTH_TEST);			// Restore enabled state of depth test.
	if (lightingSave == GL_TRUE) glEnable(GL_LIGHTING);			// Restore enabled state of lighting.
	if (texEnvModeSave != GL_REPLACE) glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, texEnvModeSave); // Restore GL texture environment mode.
	
#ifdef ARGL_DEBUG
	// Report any errors we generated.
	while ((err = glGetError()) != GL_NO_ERROR) {
		errs = gluErrorString(err);	// fetch error code
		fprintf(stderr, "GL error: %s (%i)\n", errs, (int)err);	// write err code and number to stderr
	}
#endif // ARGL_DEBUG
	
}
Ejemplo n.º 2
0
	/**
	 * GLNyARRaster_RGBをバックグラウンドに書き出す。
	 * @param image
	 * @param zoom
	 */
	void NyARGLUtil::drawBackGround(const NyARToolkitCPP::INyARRgbRaster& i_raster, double i_zoom)
	{
		GLboolean lightingSave;
		GLboolean depthTestSave;
		GLint texEnvModeSave;
		const NyARToolkitCPP::TNyARIntSize& rsize=i_raster.getSize();

		// Prepare an orthographic projection, set camera position for 2D drawing, and save GL state.
		glGetTexEnviv(GL_TEXTURE_ENV,GL_TEXTURE_ENV_MODE,&texEnvModeSave); // Save GL texture environment mode.
		if (texEnvModeSave != GL_REPLACE) {
			glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
		}
		lightingSave = glIsEnabled(GL_LIGHTING); // Save enabled state of lighting.
		if (lightingSave == GL_TRUE) {
			glDisable(GL_LIGHTING);
		}
		depthTestSave = glIsEnabled(GL_DEPTH_TEST); // Save enabled state of depth test.
		if (depthTestSave == GL_TRUE) {
			glDisable(GL_DEPTH_TEST);
		}
		glMatrixMode(GL_PROJECTION);
		glPushMatrix();
		glLoadIdentity();
		gluOrtho2D(0.0,rsize.w, 0.0,rsize.h);
		glMatrixMode(GL_MODELVIEW);
		glPushMatrix();
		glLoadIdentity();
		arglDispImageStateful(i_raster, i_zoom);

		// Restore previous projection, camera position, and GL state.
		glMatrixMode(GL_PROJECTION);
		glPopMatrix();
		glMatrixMode(GL_MODELVIEW);
		glPopMatrix();
		if (depthTestSave) {
			glEnable(GL_DEPTH_TEST); // Restore enabled state of depth test.
		}
		if (lightingSave) {
			glEnable(GL_LIGHTING); // Restore enabled state of lighting.
		}
		if (texEnvModeSave != GL_REPLACE) {
			glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE,texEnvModeSave); // Restore GL texture environment mode.
		}
		glEnd();
	}
Ejemplo n.º 3
0
//
// This function is called when the window needs redrawing.
//
static void Display(void)
{
    ARdouble p[16];
	ARdouble m[16];
    double zoom;
	
	// Select correct buffer for this context.
	glDrawBuffer(GL_BACK);
	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Clear the buffers for new frame.
	
    arglPixelBufferDataUpload(gArglSettings, gARTImage);
    arglDispImage(gArglSettings);
	gARTImage = NULL; // Invalidate image data.
				
	// Projection transformation.
	arglCameraFrustumRH(&(gCparamLT->param), VIEW_DISTANCE_MIN, VIEW_DISTANCE_MAX, p);
	glMatrixMode(GL_PROJECTION);
#ifdef ARDOUBLE_IS_FLOAT
    glLoadMatrixf(p);
#else
    glLoadMatrixd(p);
#endif
	glMatrixMode(GL_MODELVIEW);
		
	glEnable(GL_DEPTH_TEST);

	// Viewing transformation.
	glLoadIdentity();
	// Lighting and geometry that moves with the camera should go here.
	// (I.e. must be specified before viewing transformations.)
	//none
	
	if (gPatt_found) {
	
		// Calculate the camera position relative to the marker.
		// Replace VIEW_SCALEFACTOR with 1.0 to make one drawing unit equal to 1.0 ARToolKit units (usually millimeters).
		arglCameraViewRH(gPatt_trans, m, VIEW_SCALEFACTOR);
#ifdef ARDOUBLE_IS_FLOAT
        glLoadMatrixf(m);
#else
        glLoadMatrixd(m);
#endif

		// All lighting and geometry to be drawn relative to the marker goes here.
        
        // Draw the movie frame.
        if (gMovieImage) {
            glPushMatrix();
            glRotatef(90.0f, 1.0f, 0.0f, 0.0f); // Place movie in x-z plane instead of x-y plane.
            glTranslated(-gPatt_width*0.5, 0.0f, 0.0f); // Movie origin is at lower-left of movie frame. Place this at the edge of the marker .
            zoom = 1.0/gMovieCparam.xsize * gPatt_width; // Scale the movie frame so that it is the same width as the marker.
            arglPixelBufferDataUpload(gMovieArglSettings, gMovieImage);
            arglDispImageStateful(gMovieArglSettings); // Show the movie frame.
            glPopMatrix();
        }
	
	} // gPatt_found
	
	// Any 2D overlays go here.
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    glOrtho(0, (GLdouble)windowWidth, 0, (GLdouble)windowHeight, -1.0, 1.0);
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
    glDisable(GL_LIGHTING);
    glDisable(GL_DEPTH_TEST);

    //
    // Draw help text and mode.
    //
    if (gShowMode) {
        printMode();
    }
    if (gShowHelp) {
        if (gShowHelp == 1) {
            printHelpKeys();
        }
    }
	
	glutSwapBuffers();
}
Ejemplo n.º 4
0
void arglDispImage(ARUint8 *image, const ARParam *cparam, const double zoom, ARGL_CONTEXT_SETTINGS_REF contextSettings)
{
	GLint texEnvModeSave;	
	GLboolean lightingSave;
	GLboolean depthTestSave;
#if ARGL_SUPPORT_DEBUG_MODE
    int arDebugMode = AR_DEBUG_DISABLE, arImageProcMode;
#endif // ARGL_SUPPORT_DEBUG_MODE
#ifdef ARGL_DEBUG
	GLenum			err;
	const GLubyte	*errs;
#endif // ARGL_DEBUG

	if (!image || !cparam) return;

	// Prepare an orthographic projection, set camera position for 2D drawing, and save GL state.
	glGetTexEnviv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, &texEnvModeSave); // Save GL texture environment mode.
	if (texEnvModeSave != GL_REPLACE) glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
	lightingSave = glIsEnabled(GL_LIGHTING);			// Save enabled state of lighting.
	if (lightingSave == GL_TRUE) glDisable(GL_LIGHTING);
	depthTestSave = glIsEnabled(GL_DEPTH_TEST);		// Save enabled state of depth test.
	if (depthTestSave == GL_TRUE) glDisable(GL_DEPTH_TEST);
	glMatrixMode(GL_PROJECTION);
	glPushMatrix();
	glLoadIdentity();
	glOrtho(0, cparam->xsize, 0, cparam->ysize, -1.0, 1.0);
	glMatrixMode(GL_MODELVIEW);
	glPushMatrix();
	glLoadIdentity();		
	
#if ARGL_SUPPORT_DEBUG_MODE
	if (contextSettings->arhandle) arGetDebugMode(contextSettings->arhandle, &arDebugMode);
	if (arDebugMode == AR_DEBUG_ENABLE) {
		if (contextSettings->arhandle->labelInfo.bwImage) {
			arGetImageProcMode(contextSettings->arhandle, &arImageProcMode);
			if (arImageProcMode == AR_IMAGE_PROC_FIELD_IMAGE) {
				ARParam cparamScaled = *cparam;
				cparamScaled.xsize /= 2;
				cparamScaled.ysize /= 2;
				arglDispImageStateful(contextSettings->arhandle->labelInfo.bwImage, &cparamScaled, zoom * 2.0, contextSettings);
			} else {
				arglDispImageStateful(contextSettings->arhandle->labelInfo.bwImage, cparam, zoom, contextSettings);
			}
		}
	} else {
#endif // ARGL_SUPPORT_DEBUG_MODE
		arglDispImageStateful(image, cparam, zoom, contextSettings);
#if ARGL_SUPPORT_DEBUG_MODE
	}
#endif // ARGL_SUPPORT_DEBUG_MODE

	// Restore previous projection, camera position, and GL state.
	glMatrixMode(GL_PROJECTION);
	glPopMatrix();
	glMatrixMode(GL_MODELVIEW);
	glPopMatrix();
	if (depthTestSave == GL_TRUE) glEnable(GL_DEPTH_TEST);			// Restore enabled state of depth test.
	if (lightingSave == GL_TRUE) glEnable(GL_LIGHTING);			// Restore enabled state of lighting.
	if (texEnvModeSave != GL_REPLACE) glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, texEnvModeSave); // Restore GL texture environment mode.
	
#ifdef ARGL_DEBUG
	// Report any errors we generated.
	while ((err = glGetError()) != GL_NO_ERROR) {
		errs = gluErrorString(err);	// fetch error code
		ARLOGe("GL error: %s (0x%04X)\n", errs, (int)err);	// write err code and number to stderr
	}
#endif // ARGL_DEBUG
	
}