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
}
/**
* 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();
}
//
// 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();
}
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
}