// // This function is called when the window needs redrawing. // static void Display(void) { // 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. // Set up 3D mode. glMatrixMode(GL_PROJECTION); #ifdef ARDOUBLE_IS_FLOAT glLoadMatrixf(cameraLens); #else glLoadMatrixd(cameraLens); #endif glMatrixMode(GL_MODELVIEW); glLoadIdentity(); glEnable(GL_DEPTH_TEST); // Set any initial per-frame GL state you require here. // ---> // Lighting and geometry that moves with the camera should be added here. // (I.e. should be specified before camera pose transform.) // ---> VirtualEnvironmentHandleARViewDrawPreCamera(); if (cameraPoseValid) { #ifdef ARDOUBLE_IS_FLOAT glMultMatrixf(cameraPose); #else glMultMatrixd(cameraPose); #endif // All lighting and geometry to be drawn in world coordinates goes here. // ---> VirtualEnvironmentHandleARViewDrawPostCamera(); } // Set up 2D mode. glMatrixMode(GL_PROJECTION); glLoadIdentity(); glOrtho(0, (GLdouble)gWindowW, 0, (GLdouble)gWindowH, -1.0, 1.0); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); glDisable(GL_LIGHTING); glDisable(GL_DEPTH_TEST); // Add your own 2D overlays here. // ---> VirtualEnvironmentHandleARViewDrawOverlay(); // // Draw help text and mode. // if (gShowMode) { printMode(); } if (gShowHelp) { if (gShowHelp == 1) { printHelpKeys(); } } glutSwapBuffers(); }
// // 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(); }
// // This function is called when the window needs redrawing. // static void Display(void) { ARdouble p[16]; ARdouble m[16]; #ifdef ARDOUBLE_IS_FLOAT GLdouble p0[16]; GLdouble m0[16]; #endif int i, j, k; GLfloat w, bw, bh, vertices[6][2]; GLubyte pixels[300]; char text[256]; GLdouble winX, winY, winZ; int showMErr[CHECK_ID_MULTIMARKERS_MAX]; GLdouble MX[CHECK_ID_MULTIMARKERS_MAX]; GLdouble MY[CHECK_ID_MULTIMARKERS_MAX]; int pattDetectMode; AR_MATRIX_CODE_TYPE matrixCodeType; // 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); if (gMultiConfigCount) { 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); // If we have multi-configs, show their origin onscreen. for (k = 0; k < gMultiConfigCount; k++) { showMErr[k] = FALSE; if (gMultiConfigs[k]->prevF != 0) { arglCameraViewRH((const ARdouble (*)[4])gMultiConfigs[k]->trans, m, 1.0); #ifdef ARDOUBLE_IS_FLOAT glLoadMatrixf(m); #else glLoadMatrixd(m); #endif drawAxes(); #ifdef ARDOUBLE_IS_FLOAT for (i = 0; i < 16; i++) m0[i] = (GLdouble)m[i]; for (i = 0; i < 16; i++) p0[i] = (GLdouble)p[i]; if (gluProject(0, 0, 0, m0, p0, gViewport, &winX, &winY, &winZ) == GL_TRUE) #else if (gluProject(0, 0, 0, m, p, gViewport, &winX, &winY, &winZ) == GL_TRUE) #endif { showMErr[k] = TRUE; MX[k] = winX; MY[k] = winY; } } } // for k } // Any 2D overlays go here. glMatrixMode(GL_PROJECTION); glLoadIdentity(); glOrtho(0, (GLdouble)windowWidth, 0, (GLdouble)windowHeight, -1.0, 1.0); glMatrixMode(GL_MODELVIEW); glDisable(GL_LIGHTING); glDisable(GL_DEPTH_TEST); arGetPatternDetectionMode(gARHandle, &pattDetectMode); arGetMatrixCodeType(gARHandle, &matrixCodeType); // For all markers, draw onscreen position. // Colour based on cutoffPhase. glLoadIdentity(); glVertexPointer(2, GL_FLOAT, 0, vertices); glEnableClientState(GL_VERTEX_ARRAY); glLineWidth(2.0f); for (j = 0; j < gARHandle->marker_num; j++) { glColor3ubv(cutoffPhaseColours[gARHandle->markerInfo[j].cutoffPhase].colour); for (i = 0; i < 5; i++) { int dir = gARHandle->markerInfo[j].dir; vertices[i][0] = (float)gARHandle->markerInfo[j].vertex[(i + 4 - dir) % 4][0] * (float)windowWidth / (float)gARHandle->xsize; vertices[i][1] = ((float)gARHandle->ysize - (float)gARHandle->markerInfo[j].vertex[(i + 4 - dir) % 4][1]) * (float)windowHeight / (float)gARHandle->ysize; } vertices[i][0] = (float)gARHandle->markerInfo[j].pos[0] * (float)windowWidth / (float)gARHandle->xsize; vertices[i][1] = ((float)gARHandle->ysize - (float)gARHandle->markerInfo[j].pos[1]) * (float)windowHeight / (float)gARHandle->ysize; glDrawArrays(GL_LINE_STRIP, 0, 6); // For markers that have been identified, draw the ID number. if (gARHandle->markerInfo[j].id >= 0) { glColor3ub(255, 0, 0); if (matrixCodeType == AR_MATRIX_CODE_GLOBAL_ID && (pattDetectMode == AR_MATRIX_CODE_DETECTION || pattDetectMode == AR_TEMPLATE_MATCHING_COLOR_AND_MATRIX || pattDetectMode == AR_TEMPLATE_MATCHING_MONO_AND_MATRIX)) snprintf(text, sizeof(text), "%llu (err=%d)", gARHandle->markerInfo[j].globalID, gARHandle->markerInfo[j].errorCorrected); else snprintf(text, sizeof(text), "%d", gARHandle->markerInfo[j].id); print(text, (float)gARHandle->markerInfo[j].pos[0] * (float)windowWidth / (float)gARHandle->xsize, ((float)gARHandle->ysize - (float)gARHandle->markerInfo[j].pos[1]) * (float)windowHeight / (float)gARHandle->ysize, 0, 0); } } glDisableClientState(GL_VERTEX_ARRAY); // For matrix mode, draw the pattern image of the largest marker. if (pattDetectMode == AR_MATRIX_CODE_DETECTION || pattDetectMode == AR_TEMPLATE_MATCHING_COLOR_AND_MATRIX || pattDetectMode == AR_TEMPLATE_MATCHING_MONO_AND_MATRIX) { int area = 0, biggestMarker = -1; for (j = 0; j < gARHandle->marker_num; j++) if (gARHandle->markerInfo[j].area > area) { area = gARHandle->markerInfo[j].area; biggestMarker = j; } if (area >= AR_AREA_MIN) { int imageProcMode; ARdouble pattRatio; ARUint8 ext_patt[AR_PATT_SIZE2_MAX * AR_PATT_SIZE2_MAX * 3]; // Holds unwarped pattern extracted from image. int size; int zoom = 4; ARdouble vertexUpright[4][2]; // Reorder vertices based on dir. for (i = 0; i < 4; i++) { int dir = gARHandle->markerInfo[biggestMarker].dir; vertexUpright[i][0] = gARHandle->markerInfo[biggestMarker].vertex[(i + 4 - dir) % 4][0]; vertexUpright[i][1] = gARHandle->markerInfo[biggestMarker].vertex[(i + 4 - dir) % 4][1]; } arGetImageProcMode(gARHandle, &imageProcMode); arGetPattRatio(gARHandle, &pattRatio); if (matrixCodeType == AR_MATRIX_CODE_GLOBAL_ID) { size = 14; arPattGetImage2(imageProcMode, AR_MATRIX_CODE_DETECTION, size, size * AR_PATT_SAMPLE_FACTOR2, gARTImage, gARHandle->xsize, gARHandle->ysize, gARHandle->arPixelFormat, &gCparamLT->paramLTf, vertexUpright, (ARdouble)14 / (ARdouble)(14 + 2), ext_patt); } else { size = matrixCodeType & AR_MATRIX_CODE_TYPE_SIZE_MASK; arPattGetImage2(imageProcMode, AR_MATRIX_CODE_DETECTION, size, size * AR_PATT_SAMPLE_FACTOR2, gARTImage, gARHandle->xsize, gARHandle->ysize, gARHandle->arPixelFormat, &gCparamLT->paramLTf, vertexUpright, pattRatio, ext_patt); } glRasterPos2f((float)(windowWidth - size * zoom) - 4.0f, (float)(size * zoom) + 4.0f); glPixelZoom((float)zoom, (float)-zoom); glPixelStorei(GL_UNPACK_ALIGNMENT, 1); glDrawPixels(size, size, GL_LUMINANCE, GL_UNSIGNED_BYTE, ext_patt); glPixelZoom(1.0f, 1.0f); } } // Draw error value for multimarker pose. for (k = 0; k < gMultiConfigCount; k++) { if (showMErr[k]) { snprintf(text, sizeof(text), "err=%0.3f", gMultiErrs[k]); print(text, MX[k], MY[k], 0, 0); } } // // Draw help text and mode. // glLoadIdentity(); if (gShowMode) { printMode(); } if (gShowHelp) { if (gShowHelp == 1) { printHelpKeys(); } else if (gShowHelp == 2) { bw = 0.0f; for (i = 0; i < AR_MARKER_INFO_CUTOFF_PHASE_DESCRIPTION_COUNT; i++) { w = (float)glutBitmapLength(GLUT_BITMAP_HELVETICA_10, (unsigned char*)arMarkerInfoCutoffPhaseDescriptions[cutoffPhaseColours[i].cutoffPhase]); if (w > bw) bw = w; } bw += 12.0f; // Space for color block. bh = AR_MARKER_INFO_CUTOFF_PHASE_DESCRIPTION_COUNT * 10.0f /* character height */ + (AR_MARKER_INFO_CUTOFF_PHASE_DESCRIPTION_COUNT - 1) * 2.0f /* line spacing */; drawBackground(bw, bh, 2.0f, 2.0f); // Draw the colour block and text, line by line. for (i = 0; i < AR_MARKER_INFO_CUTOFF_PHASE_DESCRIPTION_COUNT; i++) { for (j = 0; j < 300; j += 3) { pixels[j] = cutoffPhaseColours[i].colour[0]; pixels[j + 1] = cutoffPhaseColours[i].colour[1]; pixels[j + 2] = cutoffPhaseColours[i].colour[2]; } glRasterPos2f(2.0f, (AR_MARKER_INFO_CUTOFF_PHASE_DESCRIPTION_COUNT - 1 - i) * 12.0f + 2.0f); glPixelZoom(1.0f, 1.0f); glPixelStorei(GL_UNPACK_ALIGNMENT, 1); glDrawPixels(10, 10, GL_RGB, GL_UNSIGNED_BYTE, pixels); print(arMarkerInfoCutoffPhaseDescriptions[cutoffPhaseColours[i].cutoffPhase], 14.0f, (AR_MARKER_INFO_CUTOFF_PHASE_DESCRIPTION_COUNT - 1 - i) * 12.0f + 2.0f, 0, 0); } } } glutSwapBuffers(); }
// // This function is called when the window needs redrawing. // static void Display(void) { ARdouble p[16]; ARdouble m[16]; // Select correct buffer for this context. glDrawBuffer(GL_BACK); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Clear the buffers for new frame. arglDispImage(gARTImage, &(gCparamLT->param), 1.0, gArglSettings); // zoom = 1.0. 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. DrawCube(); } // 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(); }
// // This function is called when the window needs redrawing. // static void Display(void) { int i; GLdouble p[16]; GLdouble m[16]; // Select correct buffer for this context. glDrawBuffer(GL_BACK); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Clear the buffers for new frame. arglDispImage(gARTImage, &(gCparamLT->param), 1.0, gArglSettings); // zoom = 1.0. gARTImage = NULL; // Invalidate image data. // Projection transformation. arglCameraFrustumRH(&(gCparamLT->param), VIEW_DISTANCE_MIN, VIEW_DISTANCE_MAX, p); glMatrixMode(GL_PROJECTION); glLoadMatrixd(p); 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 for (i = 0; i < gObjectDataCount; i++) { if ((gObjectData[i].visible != 0) && (gObjectData[i].vrml_id >= 0)) { // Calculate the camera position for the object and draw it. // Replace VIEW_SCALEFACTOR with 1.0 to make one drawing unit equal to 1.0 ARToolKit units (usually millimeters). arglCameraViewRH(gObjectData[i].trans, m, VIEW_SCALEFACTOR); glLoadMatrixd(m); // All lighting and geometry to be drawn relative to the marker goes here. //ARLOGe("About to draw object %i\n", i); arVrmlDraw(gObjectData[i].vrml_id); } } // 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(); }