+++ /dev/null
-/*
- * Copyright (C) 2009 Andy Spencer <spenceal@rose-hulman.edu>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-/* Tessellation, "finding intersecting triangles" */
-/* http://research.microsoft.com/pubs/70307/tr-2006-81.pdf */
-/* http://www.opengl.org/wiki/Alpha_Blending */
-
-#include <config.h>
-#include <math.h>
-#include <gdk/gdkkeysyms.h>
-#include <gtk/gtk.h>
-#include <gtk/gtkgl.h>
-#include <GL/gl.h>
-#include <GL/glu.h>
-
-#include "gis-opengl.h"
-#include "roam.h"
-#include "wms.h"
-
-#define FOV_DIST 2000.0
-#define MPPX(dist) (4*dist/FOV_DIST)
-
-// #define ROAM_DEBUG
-
-/*************
- * ROAM Code *
- *************/
-void roam_queue_draw(WmsCacheNode *node, gpointer _self)
-{
- gtk_widget_queue_draw(GTK_WIDGET(_self));
-}
-
-void roam_height_func(RoamPoint *point, gpointer _self)
-{
- GisOpenGL *self = _self;
-
- gdouble lat, lon, elev;
- xyz2lle(point->x, point->y, point->z, &lat, &lon, &elev);
-
-#ifdef ROAM_DEBUG
- lle2xyz(lat, lon, 0, &point->x, &point->y, &point->z);
- return;
-#endif
-
- gdouble cam_lle[3], cam_xyz[3];
- gis_view_get_location(self->view, &cam_lle[0], &cam_lle[1], &cam_lle[2]);
- lle2xyz(cam_lle[0], cam_lle[1], cam_lle[2], &cam_xyz[0], &cam_xyz[1], &cam_xyz[2]);
-
- gdouble res = MPPX(distd(cam_xyz, (double*)point));
- //g_message("lat=%f, lon=%f, res=%f", lat, lon, res);
-
- point->node = wms_info_fetch_cache(self->srtm, point->node,
- res, lat, lon, NULL, roam_queue_draw, self);
-
- if (point->node) {
- WmsBil *bil = point->node->data;
-
- gint w = bil->width;
- gint h = bil->height;
-
- gdouble xmin = point->node->latlon[0];
- gdouble ymin = point->node->latlon[1];
- gdouble xmax = point->node->latlon[2];
- gdouble ymax = point->node->latlon[3];
-
- gdouble xdist = xmax - xmin;
- gdouble ydist = ymax - ymin;
-
- gdouble x = (lon-xmin)/xdist * w;
- gdouble y = (1-(lat-ymin)/ydist) * h;
-
- gdouble x_rem = x - (int)x;
- gdouble y_rem = y - (int)y;
- guint x_flr = (int)x;
- guint y_flr = (int)y;
-
- /* TODO: Fix interpolation at edges:
- * - Pad these at the edges instead of wrapping/truncating
- * - Figure out which pixels to index (is 0,0 edge, center, etc) */
- gint16 px00 = bil->data[MIN((y_flr ),h-1)*w + MIN((x_flr ),w-1)];
- gint16 px10 = bil->data[MIN((y_flr ),h-1)*w + MIN((x_flr+1),w-1)];
- gint16 px01 = bil->data[MIN((y_flr+1),h-1)*w + MIN((x_flr ),w-1)];
- gint16 px11 = bil->data[MIN((y_flr+1),h-1)*w + MIN((x_flr+1),w-1)];
-
- elev = px00 * (1-x_rem) * (1-y_rem) +
- px10 * ( x_rem) * (1-y_rem) +
- px01 * (1-x_rem) * ( y_rem) +
- px11 * ( x_rem) * ( y_rem);
- //g_message("elev=%f -- %hd %hd %hd %hd",
- // elev, px00, px10, px01, px11);
- } else {
- elev = 0;
- }
-
- lle2xyz(lat, lon, elev, &point->x, &point->y, &point->z);
-}
-
-void roam_tri_func(RoamTriangle *tri, gpointer _self)
-{
-#ifdef ROAM_DEBUG
- glBegin(GL_TRIANGLES);
- glNormal3dv(tri->p.r->norm); glVertex3dv((double*)tri->p.r);
- glNormal3dv(tri->p.m->norm); glVertex3dv((double*)tri->p.m);
- glNormal3dv(tri->p.l->norm); glVertex3dv((double*)tri->p.l);
- glEnd();
- return;
-#endif
-
- GisOpenGL *self = _self;
- if (tri->error < 0) return;
-
- /* Get lat-lon min and maxes for the triangle */
- gdouble lat[3], lon[3], elev[3];
- xyz2lle(tri->p.r->x, tri->p.r->y, tri->p.r->z, &lat[0], &lon[0], &elev[0]);
- xyz2lle(tri->p.m->x, tri->p.m->y, tri->p.m->z, &lat[1], &lon[1], &elev[1]);
- xyz2lle(tri->p.l->x, tri->p.l->y, tri->p.l->z, &lat[2], &lon[2], &elev[2]);
- gdouble lat_max = MAX(MAX(lat[0], lat[1]), lat[2]);
- gdouble lat_min = MIN(MIN(lat[0], lat[1]), lat[2]);
- gdouble lat_avg = (lat_min+lat_max)/2;
- gdouble lon_max = MAX(MAX(lon[0], lon[1]), lon[2]);
- gdouble lon_min = MIN(MIN(lon[0], lon[1]), lon[2]);
- gdouble lon_avg = (lon_min+lon_max)/2;
-
- /* Get target resolution */
- gdouble cam_lle[3], cam_xyz[3];
- gis_view_get_location(self->view, &cam_lle[0], &cam_lle[1], &cam_lle[2]);
- lle2xyz(cam_lle[0], cam_lle[1], cam_lle[2], &cam_xyz[0], &cam_xyz[1], &cam_xyz[2]);
- gdouble distr = distd(cam_xyz, (double*)tri->p.r);
- gdouble distm = distd(cam_xyz, (double*)tri->p.m);
- gdouble distl = distd(cam_xyz, (double*)tri->p.l);
- double res = MPPX(MIN(MIN(distr, distm), distl));
-
- /* TODO:
- * - Fetch needed textures, not all corners
- * - Also fetch center textures that aren't touched by a corner
- * - Idea: send {lat,lon}{min,max} to fetch_cache and handle it in the recursion */
- /* Fetch textures */
- tri->nodes[0] = wms_info_fetch_cache(self->bmng, tri->nodes[0], res, lat_min, lon_min, NULL, roam_queue_draw, self);
- tri->nodes[1] = wms_info_fetch_cache(self->bmng, tri->nodes[1], res, lat_max, lon_min, NULL, roam_queue_draw, self);
- tri->nodes[2] = wms_info_fetch_cache(self->bmng, tri->nodes[2], res, lat_min, lon_max, NULL, roam_queue_draw, self);
- tri->nodes[3] = wms_info_fetch_cache(self->bmng, tri->nodes[3], res, lat_max, lon_max, NULL, roam_queue_draw, self);
- tri->nodes[4] = wms_info_fetch_cache(self->bmng, tri->nodes[4], res, lat_avg, lon_avg, NULL, roam_queue_draw, self);
- /* Hopefully get all textures at the same resolution to prevent overlaps */
- //gdouble maxres = 0;
- //for (int i = 0; i < 5; i++)
- // if (tri->nodes[i] && tri->nodes[i]->res > maxres)
- // maxres = tri->nodes[i]->res;
- //if (maxres != 0) {
- // tri->nodes[0] = wms_info_fetch_cache(self->bmng, tri->nodes[0], maxres, lat_min, lon_min, NULL, roam_queue_draw, self);
- // tri->nodes[1] = wms_info_fetch_cache(self->bmng, tri->nodes[1], maxres, lat_max, lon_min, NULL, roam_queue_draw, self);
- // tri->nodes[2] = wms_info_fetch_cache(self->bmng, tri->nodes[2], maxres, lat_min, lon_max, NULL, roam_queue_draw, self);
- // tri->nodes[3] = wms_info_fetch_cache(self->bmng, tri->nodes[3], maxres, lat_max, lon_max, NULL, roam_queue_draw, self);
- // tri->nodes[4] = wms_info_fetch_cache(self->bmng, tri->nodes[4], maxres, lat_avg, lon_avg, NULL, roam_queue_draw, self);
- //}
-
- /* Vertex color for hieght map viewing, 8848m == Everest */
- gfloat colors[] = {
- (elev[0]-EARTH_R)/8848,
- (elev[1]-EARTH_R)/8848,
- (elev[2]-EARTH_R)/8848,
- };
-
- /* Draw each texture */
- /* TODO: Prevent double exposure when of hi-res textures on top of
- * low-res textures when some high-res textures are not yet loaded. */
- glBlendFunc(GL_ONE, GL_ZERO);
- for (int i = 0; i < 5; i++) {
- /* Skip missing textures */
- if (tri->nodes[i] == NULL)
- continue;
- /* Skip already drawn textures */
- switch (i) {
- case 4: if (tri->nodes[i] == tri->nodes[3]) continue;
- case 3: if (tri->nodes[i] == tri->nodes[2]) continue;
- case 2: if (tri->nodes[i] == tri->nodes[1]) continue;
- case 1: if (tri->nodes[i] == tri->nodes[0]) continue;
- }
-
- WmsCacheNode *node = tri->nodes[i];
-
- if (node->latlon[0] == -180) {
- if (lon[0] < -90 || lon[1] < -90 || lon[2] < -90) {
- if (lon[0] > 90) lon[0] -= 360;
- if (lon[1] > 90) lon[1] -= 360;
- if (lon[2] > 90) lon[2] -= 360;
- }
- } else if (node->latlon[2] == 180.0) {
- if (lon[0] < -90) lon[0] += 360;
- if (lon[1] < -90) lon[1] += 360;
- if (lon[2] < -90) lon[2] += 360;
- }
-
- gdouble xmin = node->latlon[0];
- gdouble ymin = node->latlon[1];
- gdouble xmax = node->latlon[2];
- gdouble ymax = node->latlon[3];
-
- gdouble xdist = xmax - xmin;
- gdouble ydist = ymax - ymin;
-
- gdouble xy[][3] = {
- {(lon[0]-xmin)/xdist, 1-(lat[0]-ymin)/ydist},
- {(lon[1]-xmin)/xdist, 1-(lat[1]-ymin)/ydist},
- {(lon[2]-xmin)/xdist, 1-(lat[2]-ymin)/ydist},
- };
-
- glBindTexture(GL_TEXTURE_2D, *(guint*)node->data);
-
- glBegin(GL_TRIANGLES);
- glColor3fv(colors); glNormal3dv(tri->p.r->norm); glTexCoord2dv(xy[0]); glVertex3dv((double*)tri->p.r);
- glColor3fv(colors); glNormal3dv(tri->p.m->norm); glTexCoord2dv(xy[1]); glVertex3dv((double*)tri->p.m);
- glColor3fv(colors); glNormal3dv(tri->p.l->norm); glTexCoord2dv(xy[2]); glVertex3dv((double*)tri->p.l);
- glEnd();
- glBlendFunc(GL_ONE, GL_ONE);
- }
-}
-
-static void set_camera(GisOpenGL *self)
-{
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
- double lat, lon, elev, rx, ry, rz;
- gis_view_get_location(self->view, &lat, &lon, &elev);
- gis_view_get_rotation(self->view, &rx, &ry, &rz);
- glRotatef(rx, 1, 0, 0);
- glRotatef(rz, 0, 0, 1);
- glTranslatef(0, 0, -elev2rad(elev));
- glRotatef(lat, 1, 0, 0);
- glRotatef(-lon, 0, 1, 0);
-}
-
-static void set_visuals(GisOpenGL *self)
-{
- /* Lighting */
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
-#ifdef ROAM_DEBUG
- float light_ambient[] = {0.7f, 0.7f, 0.7f, 1.0f};
- float light_diffuse[] = {2.0f, 2.0f, 2.0f, 1.0f};
-#else
- float light_ambient[] = {0.2f, 0.2f, 0.2f, 1.0f};
- float light_diffuse[] = {5.0f, 5.0f, 5.0f, 1.0f};
-#endif
- float light_position[] = {-13*EARTH_R, 1*EARTH_R, 3*EARTH_R, 1.0f};
- glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
- glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
- glLightfv(GL_LIGHT0, GL_POSITION, light_position);
- glEnable(GL_LIGHT0);
- glEnable(GL_LIGHTING);
-
- float material_ambient[] = {0.2, 0.2, 0.2, 1.0};
- float material_diffuse[] = {0.8, 0.8, 0.8, 1.0};
- float material_specular[] = {0.0, 0.0, 0.0, 1.0};
- float material_emission[] = {0.0, 0.0, 0.0, 1.0};
- glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, material_ambient);
- glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, material_diffuse);
- glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, material_specular);
- glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, material_emission);
- glDisable(GL_TEXTURE_2D);
- glDisable(GL_COLOR_MATERIAL);
-
- /* Camera */
- set_camera(self);
-
- /* Misc */
- gdouble lat, lon, elev;
- gis_view_get_location(self->view, &lat, &lon, &elev);
- gdouble rg = MAX(0, 1-(elev/20000));
- gdouble blue = MAX(0, 1-(elev/50000));
- glClearColor(MIN(0.65,rg), MIN(0.65,rg), MIN(1,blue), 1.0f);
-
- glDisable(GL_ALPHA_TEST);
-
- glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
- glEnable(GL_BLEND);
-
-#ifndef ROAM_DEBUG
- glCullFace(GL_BACK);
- glEnable(GL_CULL_FACE);
-#endif
-
- glClearDepth(1.0);
- glDepthFunc(GL_LEQUAL);
- glEnable(GL_DEPTH_TEST);
-
- glEnable(GL_LINE_SMOOTH);
-
- glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
- //glShadeModel(GL_FLAT);
-}
-
-
-/*************
- * Callbacks *
- *************/
-static void on_realize(GisOpenGL *self, gpointer _)
-{
- set_visuals(self);
-}
-static gboolean on_configure(GisOpenGL *self, GdkEventConfigure *event, gpointer _)
-{
- g_debug("GisOpenGL: on_confiure");
- gis_opengl_begin(self);
-
- double width = GTK_WIDGET(self)->allocation.width;
- double height = GTK_WIDGET(self)->allocation.height;
- glViewport(0, 0, width, height);
-
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- double ang = atan(height/FOV_DIST);
- gluPerspective(rad2deg(ang)*2, width/height, 1, 20*EARTH_R);
-
-#ifndef ROAM_DEBUG
- roam_sphere_update(self->sphere);
-#endif
-
- gis_opengl_end(self);
- return FALSE;
-}
-
-static void on_expose_plugin(GisPlugin *plugin, gchar *name, GisOpenGL *self)
-{
- set_visuals(self);
- glMatrixMode(GL_PROJECTION); glPushMatrix();
- glMatrixMode(GL_MODELVIEW); glPushMatrix();
- gis_plugin_expose(plugin);
- glMatrixMode(GL_PROJECTION); glPopMatrix();
- glMatrixMode(GL_MODELVIEW); glPopMatrix();
-}
-static gboolean on_expose(GisOpenGL *self, GdkEventExpose *event, gpointer _)
-{
- g_debug("GisOpenGL: on_expose - begin");
- gis_opengl_begin(self);
-
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
-#ifndef ROAM_DEBUG
- set_visuals(self);
- glEnable(GL_TEXTURE_2D);
- roam_sphere_draw(self->sphere);
-#endif
-
-#ifdef ROAM_DEBUG
- set_visuals(self);
- glColor4f(0.0, 0.0, 9.0, 0.6);
- glDisable(GL_TEXTURE_2D);
- glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
- roam_sphere_draw(self->sphere);
-#endif
-
- //glDisable(GL_TEXTURE_2D);
- //glEnable(GL_COLOR_MATERIAL);
- //glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
- //roam_sphere_draw(self->sphere);
-
- gis_plugins_foreach(self->plugins, G_CALLBACK(on_expose_plugin), self);
-
- set_visuals(self);
- gis_opengl_end(self);
- gis_opengl_flush(self);
- g_debug("GisOpenGL: on_expose - end\n");
- return FALSE;
-}
-
-static gboolean on_button_press(GisOpenGL *self, GdkEventButton *event, gpointer _)
-{
- g_debug("GisOpenGL: on_button_press - Grabbing focus");
- gtk_widget_grab_focus(GTK_WIDGET(self));
- return TRUE;
-}
-
-static gboolean on_key_press(GisOpenGL *self, GdkEventKey *event, gpointer _)
-{
- g_debug("GisOpenGL: on_key_press - key=%x, state=%x, plus=%x",
- event->keyval, event->state, GDK_plus);
-
- double lat, lon, elev, pan;
- gis_view_get_location(self->view, &lat, &lon, &elev);
- pan = MIN(elev/(EARTH_R/2), 30);
- guint kv = event->keyval;
- if (kv == GDK_Left || kv == GDK_h) gis_view_pan(self->view, 0, -pan, 0);
- else if (kv == GDK_Down || kv == GDK_j) gis_view_pan(self->view, -pan, 0, 0);
- else if (kv == GDK_Up || kv == GDK_k) gis_view_pan(self->view, pan, 0, 0);
- else if (kv == GDK_Right || kv == GDK_l) gis_view_pan(self->view, 0, pan, 0);
- else if (kv == GDK_minus || kv == GDK_o) gis_view_zoom(self->view, 10./9);
- else if (kv == GDK_plus || kv == GDK_i) gis_view_zoom(self->view, 9./10);
- else if (kv == GDK_H) gis_view_rotate(self->view, 0, 0, -10);
- else if (kv == GDK_J) gis_view_rotate(self->view, 10, 0, 0);
- else if (kv == GDK_K) gis_view_rotate(self->view, -10, 0, 0);
- else if (kv == GDK_L) gis_view_rotate(self->view, 0, 0, 10);
-
- /* Testing */
-#ifdef ROAM_DEBUG
- else if (kv == GDK_n) roam_sphere_split_one(self->sphere);
- else if (kv == GDK_p) roam_sphere_merge_one(self->sphere);
- else if (kv == GDK_r) roam_sphere_split_merge(self->sphere);
- else if (kv == GDK_u) roam_sphere_update(self->sphere);
- gtk_widget_queue_draw(GTK_WIDGET(self));
-#endif
-
- return TRUE;
-}
-
-static void on_view_changed(GisView *view,
- gdouble _1, gdouble _2, gdouble _3, GisOpenGL *self)
-{
- gis_opengl_begin(self);
- set_visuals(self);
-#ifndef ROAM_DEBUG
- roam_sphere_update(self->sphere);
-#endif
- gis_opengl_redraw(self);
- gis_opengl_end(self);
-}
-
-static gboolean on_idle(GisOpenGL *self)
-{
- gis_opengl_begin(self);
- if (roam_sphere_split_merge(self->sphere))
- gis_opengl_redraw(self);
- gis_opengl_end(self);
- return TRUE;
-}
-
-
-/***********
- * Methods *
- ***********/
-GisOpenGL *gis_opengl_new(GisWorld *world, GisView *view, GisPlugins *plugins)
-{
- g_debug("GisOpenGL: new");
- GisOpenGL *self = g_object_new(GIS_TYPE_OPENGL, NULL);
- self->world = world;
- self->view = view;
- self->plugins = plugins;
- g_object_ref(world);
- g_object_ref(view);
-
- g_signal_connect(self->view, "location-changed", G_CALLBACK(on_view_changed), self);
- g_signal_connect(self->view, "rotation-changed", G_CALLBACK(on_view_changed), self);
-
- /* TODO: update point eights sometime later so we have heigh-res heights for them */
- self->sphere = roam_sphere_new(roam_tri_func, roam_height_func, self);
-
- return g_object_ref(self);
-}
-
-void gis_opengl_center_position(GisOpenGL *self, gdouble lat, gdouble lon, gdouble elev)
-{
- set_camera(self);
- glRotatef(lon, 0, 1, 0);
- glRotatef(-lat, 1, 0, 0);
- glTranslatef(0, 0, elev2rad(elev));
-}
-
-void gis_opengl_redraw(GisOpenGL *self)
-{
- g_debug("GisOpenGL: gl_redraw");
- gtk_widget_queue_draw(GTK_WIDGET(self));
-}
-void gis_opengl_begin(GisOpenGL *self)
-{
- g_assert(GIS_IS_OPENGL(self));
-
- GdkGLContext *glcontext = gtk_widget_get_gl_context(GTK_WIDGET(self));
- GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable(GTK_WIDGET(self));
-
- if (!gdk_gl_drawable_gl_begin(gldrawable, glcontext))
- g_assert_not_reached();
-}
-void gis_opengl_end(GisOpenGL *self)
-{
- g_assert(GIS_IS_OPENGL(self));
- GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable(GTK_WIDGET(self));
- gdk_gl_drawable_gl_end(gldrawable);
-}
-void gis_opengl_flush(GisOpenGL *self)
-{
- g_assert(GIS_IS_OPENGL(self));
- GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable(GTK_WIDGET(self));
- if (gdk_gl_drawable_is_double_buffered(gldrawable))
- gdk_gl_drawable_swap_buffers(gldrawable);
- else
- glFlush();
- gdk_gl_drawable_gl_end(gldrawable);
-}
-
-
-/****************
- * GObject code *
- ****************/
-G_DEFINE_TYPE(GisOpenGL, gis_opengl, GTK_TYPE_DRAWING_AREA);
-static void gis_opengl_init(GisOpenGL *self)
-{
- g_debug("GisOpenGL: init");
- self->bmng = wms_info_new_for_bmng(NULL, NULL);
- self->srtm = wms_info_new_for_srtm(NULL, NULL);
-
- /* OpenGL setup */
- GdkGLConfig *glconfig = gdk_gl_config_new_by_mode(
- GDK_GL_MODE_RGBA | GDK_GL_MODE_DEPTH |
- GDK_GL_MODE_DOUBLE | GDK_GL_MODE_ALPHA);
- if (!glconfig)
- g_error("Failed to create glconfig");
- if (!gtk_widget_set_gl_capability(GTK_WIDGET(self),
- glconfig, NULL, TRUE, GDK_GL_RGBA_TYPE))
- g_error("GL lacks required capabilities");
- g_object_unref(glconfig);
-
- gtk_widget_set_size_request(GTK_WIDGET(self), 600, 550);
- gtk_widget_set_events(GTK_WIDGET(self),
- GDK_BUTTON_PRESS_MASK |
- GDK_ENTER_NOTIFY_MASK |
- GDK_KEY_PRESS_MASK);
- g_object_set(self, "can-focus", TRUE, NULL);
-
-#ifndef ROAM_DEBUG
- self->sm_source = g_timeout_add(10, (GSourceFunc)on_idle, self);
-#endif
-
- g_signal_connect(self, "realize", G_CALLBACK(on_realize), NULL);
- g_signal_connect(self, "configure-event", G_CALLBACK(on_configure), NULL);
- g_signal_connect(self, "expose-event", G_CALLBACK(on_expose), NULL);
-
- g_signal_connect(self, "button-press-event", G_CALLBACK(on_button_press), NULL);
- g_signal_connect(self, "enter-notify-event", G_CALLBACK(on_button_press), NULL);
- g_signal_connect(self, "key-press-event", G_CALLBACK(on_key_press), NULL);
-}
-static GObject *gis_opengl_constructor(GType gtype, guint n_properties,
- GObjectConstructParam *properties)
-{
- g_debug("GisOpengl: constructor");
- GObjectClass *parent_class = G_OBJECT_CLASS(gis_opengl_parent_class);
- return parent_class->constructor(gtype, n_properties, properties);
-}
-static void gis_opengl_dispose(GObject *_self)
-{
- g_debug("GisOpenGL: dispose");
- GisOpenGL *self = GIS_OPENGL(_self);
- if (self->sm_source) {
- g_source_remove(self->sm_source);
- self->sm_source = 0;
- }
- if (self->sphere) {
- roam_sphere_free(self->sphere);
- self->sphere = NULL;
- }
- if (self->world) {
- g_object_unref(self->world);
- self->world = NULL;
- }
- if (self->view) {
- g_object_unref(self->view);
- self->view = NULL;
- }
- G_OBJECT_CLASS(gis_opengl_parent_class)->dispose(_self);
-}
-static void gis_opengl_finalize(GObject *_self)
-{
- g_debug("GisOpenGL: finalize");
- GisOpenGL *self = GIS_OPENGL(_self);
- wms_info_free(self->bmng);
- wms_info_free(self->srtm);
- G_OBJECT_CLASS(gis_opengl_parent_class)->finalize(_self);
-}
-static void gis_opengl_class_init(GisOpenGLClass *klass)
-{
- g_debug("GisOpenGL: class_init");
- GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
- gobject_class->constructor = gis_opengl_constructor;
- gobject_class->dispose = gis_opengl_dispose;
- gobject_class->finalize = gis_opengl_finalize;
-}
projects / aweather / blobdiff