void tui::LayoutCanvas::OnpaintGL(wxPaintEvent&) {
wxPaintDC dc(this);
#ifndef __WXMOTIF__
if (!GetContext()) return;
#endif
SetCurrent();
update_viewport();
//@TODO !! Check somewhere that RGBA mode is available!?
// CTM matrix stuff
glLoadIdentity();
glOrtho(lp_BL.x(),lp_TR.x(),lp_TR.y(),lp_BL.y(),-1.0,1.0);
if (invalid_window || !(tmp_wnd || rubber_band)) {
// invalid_window indicates zooming. If that is false and the rest two
// variables are not set, means that the system request repaint
// In both cases - the entire window is redrawn
glClear(GL_COLOR_BUFFER_BIT);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glClear(GL_ACCUM_BUFFER_BIT);
Properties->drawGrid();
DATC->openGL_draw(Properties->drawprop()); // draw data
glAccum(GL_LOAD, 1.0);
if (rubber_band) rubber_paint();
invalid_window = false;
}
else if (tmp_wnd)
// zooming using the mouse
wnd_paint();
else if (n_ScrMARKold != n_ScrMARK)
// the only reason to get to this point remains rubber_band == true
// so the paint will be invoked only if we have something new to show on
//the screen
rubber_paint();
SwapBuffers();
}
static int wheel_cb(Ihandle *ih,float delta,int x,int y,char* status)
{
int canvas_w, canvas_h;
cdCanvas *canvas = (cdCanvas*)IupGetAttribute(ih, "_CD_CANVAS");
(void)x;
(void)y;
(void)status;
if (scale+delta==0) /* skip 0 */
{
if (scale > 0)
scale = -1;
else
scale = 1;
}
else
scale += (int)delta;
cdCanvasActivate(canvas);
cdCanvasGetSize(canvas, &canvas_w, &canvas_h, NULL, NULL);
update_scrollbar(ih, canvas_w, canvas_h);
update_viewport(ih, canvas, IupGetFloat(ih, "POSX"), IupGetFloat(ih, "POSY"));
IupRedraw(ih, 0);
return IUP_DEFAULT;
}
static int scroll_cb(Ihandle *ih, int op, float posx, float posy)
{
cdCanvas *canvas = (cdCanvas*)IupGetAttribute(ih, "_CD_CANVAS");
update_viewport(ih, canvas, posx, posy);
IupRedraw(ih, 0);
(void)op;
return IUP_DEFAULT;
}
bool Viewer::on_button_release_event(GdkEventButton* event) {
const int axis = event->button - 1;
axisActive[axis] = false;
if (mode == VIEWPORT && axis == 0) {
update_viewport(event->x, event->y);
}
return true;
}
static int scroll_cb(Ihandle *ih, int op, float posx, float posy)
{
cdCanvas *canvas = (cdCanvas*)IupGetAttribute(ih, "_CD_CANVAS");
printf("SCROLL_CB(%g, %g)\n", posx, posy);
cdCanvasActivate(canvas);
update_viewport(ih, canvas, posx, posy);
IupRedraw(ih, 0);
(void)op;
return IUP_DEFAULT;
}
static int resize_cb(Ihandle *ih, int canvas_w, int canvas_h)
{
cdCanvas *canvas = (cdCanvas*)IupGetAttribute(ih, "_CD_CANVAS");
/* update CD canvas */
cdCanvasActivate(canvas);
update_scrollbar(ih, canvas_w, canvas_h);
update_viewport(ih, canvas, IupGetFloat(ih, "POSX"), IupGetFloat(ih, "POSY"));
return IUP_DEFAULT;
}
static void init_raster() {
viewport_state_t *vp = &state.viewport;
if (!vp->width || !vp->height) {
GLint tmp[4];
glGetIntegerv(GL_VIEWPORT, tmp);
update_viewport(tmp[0], tmp[1], tmp[2], tmp[3]);
}
if (! state.raster.buf) {
state.raster.buf = (GLubyte *)malloc(4 * vp->nwidth * vp->nheight * sizeof(GLubyte));
}
}
void tui::LayoutCanvas::OnpaintGL(wxPaintEvent& event) {
wxPaintDC dc(this);
#ifndef __WXMOTIF__
if (!GetContext()) return;
#endif
SetCurrent();
// invalid_window indicates zooming.
// event.GetEventType() == event.GetId() should means that database is updated
// In both cases - the entire window is redrawn
if ((invalid_window) || (event.GetEventType() == event.GetId()))
{
glMatrixMode( GL_MODELVIEW );
glShadeModel( GL_FLAT ); // Single color
update_viewport();
//@TODO !! Check somewhere that RGBA mode is available!?
// CTM matrix stuff
glLoadIdentity();
glOrtho(lp_BL.x(),lp_TR.x(),lp_TR.y(),lp_BL.y(),-1.0,1.0);
glClear(GL_COLOR_BUFFER_BIT);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glClear(GL_ACCUM_BUFFER_BIT);
DATC->openGL_draw(_LayCTM); // draw data
glAccum(GL_LOAD, 1.0);
invalid_window = false;
if (rubber_band) rubber_paint();
}
else
{
glAccum(GL_RETURN, 1.0);
if (tmp_wnd) wnd_paint();
else if (rubber_band) rubber_paint();
}
// deal with the long cursor
if (reperX || reperY)
{
glColor4f(1, 1, 1, .5);
glBegin(GL_LINES);
if (reperX)
{
glVertex2i(lp_BL.x(), ScrMARK.y()) ;
glVertex2i(lp_TR.x(), ScrMARK.y());
}
if (reperY)
{
glVertex2i(ScrMARK.x() , lp_BL.y()) ;
glVertex2i(ScrMARK.x() , lp_TR.y());
}
glEnd();
}
SwapBuffers();
}
void glViewport(GLint x, GLint y, GLsizei width, GLsizei height) {
PUSH_IF_COMPILING(glViewport);
if (state.raster.buf) {
render_raster();
}
if (width < 0 || height < 0) {
ERROR(GL_INVALID_VALUE);
}
update_viewport(x, y, width, height);
LOAD_GLES(glViewport);
gles_glViewport(x, y, width, height);
}
GPGX_EX int gpgx_state_load(void *src, int size)
{
if (!size)
return 0;
if (state_load((unsigned char *) src) == size)
{
update_viewport();
return 1;
}
else
return 0;
}
static void
on_mapped (GtkWidget *widget)
{
GdkGLContext *gl_context = gtk_widget_get_gl_context (widget);
GdkGLDrawable *gl_drawable = gtk_widget_get_gl_drawable (widget);
g_return_if_fail (gl_context != NULL && gl_drawable != NULL);
g_return_if_fail (gdk_gl_drawable_gl_begin (gl_drawable, gl_context));
init_gl_resources ();
update_viewport (widget);
gdk_gl_drawable_gl_end (gl_drawable);
}
void tui::LayoutCanvas::OnpaintGL(wxPaintEvent& event) {
#ifndef __WXMOTIF__
if (!GetContext()) return;
#endif
// invalid_window indicates zooming or refreshing after a tell operation.
if (invalid_window)
{
wxPaintDC dc(this);
SetCurrent();
glMatrixMode( GL_MODELVIEW );
glShadeModel( GL_FLAT ); // Single color
update_viewport();
// CTM matrix stuff
glLoadIdentity();
glOrtho(lp_BL.x(),lp_TR.x(),lp_TR.y(),lp_BL.y(),-1.0,1.0);
glClear(GL_COLOR_BUFFER_BIT);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glClear(GL_ACCUM_BUFFER_BIT);
DATC->openGL_draw(_LayCTM); // draw data
glAccum(GL_LOAD, 1.0);
invalid_window = false;
if (rubber_band) rubber_paint();
}
else
{
glAccum(GL_RETURN, 1.0);
if (tmp_wnd) wnd_paint();
else if (rubber_band) rubber_paint();
}
// deal with the long cursor
if (reperX || reperY)
{
glColor4f(1, 1, 1, .5);
glBegin(GL_LINES);
if (reperX)
{
glVertex2i(lp_BL.x(), ScrMARK.y()) ;
glVertex2i(lp_TR.x(), ScrMARK.y());
}
if (reperY)
{
glVertex2i(ScrMARK.x() , lp_BL.y()) ;
glVertex2i(ScrMARK.x() , lp_TR.y());
}
glEnd();
}
SwapBuffers();
}
GPGX_EX void gpgx_advance(void)
{
if (system_hw == SYSTEM_MCD)
system_frame_scd(0);
else if ((system_hw & SYSTEM_PBC) == SYSTEM_MD)
system_frame_gen(0);
else
system_frame_sms(0);
if (bitmap.viewport.changed & 1)
{
bitmap.viewport.changed &= ~1;
update_viewport();
}
nsamples = audio_update(soundbuffer);
}
static gboolean
on_configure (GtkWidget *widget,
GdkEventConfigure *event)
{
if (GTK_WIDGET_MAPPED (widget)) {
GdkGLContext *gl_context = gtk_widget_get_gl_context (widget);
GdkGLDrawable *gl_drawable = gtk_widget_get_gl_drawable (widget);
g_return_val_if_fail (gl_context != NULL && gl_drawable != NULL, TRUE);
g_return_val_if_fail (gdk_gl_drawable_gl_begin (gl_drawable, gl_context), TRUE);
update_viewport (widget);
gdk_gl_drawable_gl_end (gl_drawable);
}
return FALSE;
}
static int resize_cb(Ihandle *ih, int canvas_w, int canvas_h)
{
cdCanvas *canvas = (cdCanvas*)IupGetAttribute(ih, "_CD_CANVAS");
printf("RESIZE_CB(%d, %d) RASTERSIZE=%s DRAWSIZE=%s \n", canvas_w, canvas_h, IupGetAttribute(ih, "RASTERSIZE"), IupGetAttribute(ih, "DRAWSIZE"));
/* When *AUTOHIDE=Yes, this can hide a scrollbar and so change the canvas drawsize */
update_scrollbar(ih, canvas_w, canvas_h);
printf(" DRAWSIZE=%s \n", IupGetAttribute(ih, "DRAWSIZE"));
/* update the canvas size */
IupGetIntInt(ih, "DRAWSIZE", &canvas_w, &canvas_h);
/* update the application */
cdCanvasActivate(canvas);
update_scrollbar(ih, canvas_w, canvas_h);
update_viewport(ih, canvas, IupGetFloat(ih, "POSX"), IupGetFloat(ih, "POSY"));
return IUP_DEFAULT;
}
bool Viewer::on_motion_notify_event(GdkEventMotion* event) {
const int diff = event->x - lastMouseX;
lastMouseX = event->x;
bool anyChange = false;
Vector3D transAmount;
for (int axis = 0; axis < 3; axis++) {
if (axisActive[axis]) {
anyChange = true;
transAmount[axis] = diff;
}
}
if (DYNAMIC_VIEWPORT && mode == VIEWPORT && axisActive[0]) { // Left mouse button only.
update_viewport(event->x, event->y);
}
if (anyChange) {
LOG("Mouse translation " << transAmount);
LOG("Now matrix is " << worldNode->getTransform());
handleViewChange(transAmount);
invalidate();
}
return true;
}
