summaryrefslogtreecommitdiffstats
path: root/Drawer.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'Drawer.cpp')
-rw-r--r--Drawer.cpp295
1 files changed, 0 insertions, 295 deletions
diff --git a/Drawer.cpp b/Drawer.cpp
deleted file mode 100644
index 9c8405a..0000000
--- a/Drawer.cpp
+++ /dev/null
@@ -1,295 +0,0 @@
-#include "Drawer.h"
-#include "Window.h"
-#include <GL/gl.h>
-#include <math.h>
-
-
-void Drawer::realize(GtkWidget *widget, Drawer *drawer) {
- GdkGLContext *context = gtk_widget_get_gl_context(widget);
- GdkGLDrawable *drawable = gtk_widget_get_gl_drawable(widget);
-
- if(!gdk_gl_drawable_gl_begin(drawable, context))
- return;
-
- glClearColor(0, 0, 0, 1);
-
- glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
- glEnable(GL_BLEND);
-
- glEnable(GL_LINE_SMOOTH);
- glEnable(GL_POINT_SMOOTH);
-
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
-
- gdk_gl_drawable_gl_end(drawable);
-}
-
-gboolean Drawer::eventHandler(GtkWidget *widget, GdkEvent *event, Drawer *drawer) {
- switch(event->type) {
- case GDK_CONFIGURE:
- drawer->updateViewport();
- drawer->updateScrollbars();
- return TRUE;
-
- case GDK_EXPOSE:
- drawer->render();
- return TRUE;
-
- case GDK_MOTION_NOTIFY:
- drawer->updateHoveredPoint(event->motion.x, event->motion.y);
- drawer->window->getActiveTool()->getEventHandler()->motion(
- drawer->window->getEditManager().getHoveredVertex(), drawer->scale);
- return TRUE;
-
- case GDK_ENTER_NOTIFY:
- drawer->updateHoveredPoint(event->crossing.x, event->crossing.y);
- drawer->window->getActiveTool()->getEventHandler()->motion(
- drawer->window->getEditManager().getHoveredVertex(), drawer->scale);
- return TRUE;
-
- case GDK_LEAVE_NOTIFY:
- drawer->window->getEditManager().setHoveredVertex(NULL, drawer->scale);
- drawer->window->getActiveTool()->getEventHandler()->motion(
- drawer->window->getEditManager().getHoveredVertex(), drawer->scale);
- return TRUE;
-
- case GDK_BUTTON_PRESS:
- drawer->window->getActiveTool()->getEventHandler()->buttonPress(event->button.button,
- drawer->window->getEditManager().getHoveredVertex());
- return TRUE;
-
- case GDK_BUTTON_RELEASE:
- drawer->window->getActiveTool()->getEventHandler()->buttonRelease(event->button.button,
- drawer->window->getEditManager().getHoveredVertex());
- return TRUE;
-
- case GDK_SCROLL:
- switch(event->scroll.direction) {
- case GDK_SCROLL_UP:
- drawer->zoom(1, event->scroll.x/widget->allocation.width, event->scroll.y/widget->allocation.height);
- break;
- case GDK_SCROLL_DOWN:
- drawer->zoom(-1, event->scroll.x/widget->allocation.width, event->scroll.y/widget->allocation.height);
- break;
- default:
- return FALSE;
- }
- return TRUE;
-
- default:
- return FALSE;
- }
-}
-
-void Drawer::valueChanged(GtkAdjustment *adjustment, Drawer *drawer) {
- drawer->updateScrolling();
-}
-
-
-void Drawer::updateViewport() {
- GdkGLContext *context = gtk_widget_get_gl_context(drawingArea);
- GdkGLDrawable *drawable = gtk_widget_get_gl_drawable(drawingArea);
-
- if(!gdk_gl_drawable_gl_begin(drawable, context))
- return;
-
- glViewport(0, 0, getWidth(), getHeight());
-
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
-
- if(getWidth() != 0 && getHeight() != 0)
- glScalef(2.0f/getWidth(), -2.0f/getHeight(), 1);
-
- gdk_gl_drawable_gl_end(drawable);
-}
-
-void Drawer::updateScrolling() {
- if((getImageWidth())*scale < getWidth())
- xCenter = 0;
- else
- xCenter = gtk_adjustment_get_value(hAdjustment);
-
- g_object_set(G_OBJECT(hRuler), "lower", xCenter-getWidth()/scale/2, "upper", xCenter+getWidth()/scale/2, NULL);
-
- if((getImageHeight())*scale < getHeight())
- yCenter = 0;
- else
- yCenter = gtk_adjustment_get_value(vAdjustment);
-
- g_object_set(G_OBJECT(vRuler), "lower", yCenter-getHeight()/scale/2, "upper", yCenter+getHeight()/scale/2, NULL);
-
- gtk_widget_queue_draw(drawingArea);
-}
-
-void Drawer::updateScrollbars(float x, float y) {
- const gdouble imageWidth = getImageWidth(), imageHeight = getImageHeight();
- const gdouble minX = -imageWidth/2, maxX = imageWidth/2;
- const gdouble minY = -imageHeight/2, maxY = imageHeight/2;
- const gdouble width = getWidth()/scale, height = getHeight()/scale;
- gdouble lower, upper, pageSize, value;
-
-
- gdk_window_freeze_updates(drawingArea->window);
-
- g_object_get(G_OBJECT(hAdjustment), "lower", &lower, "upper", &upper, "page_size", &pageSize, NULL);
- g_object_set(G_OBJECT(hAdjustment), "lower", minX + width/2, "upper", maxX + width/2, "page_size", width, NULL);
- gtk_adjustment_changed(hAdjustment);
-
- if(pageSize > (upper-lower) && width < imageWidth)
- value = 0;
- else
- value = gtk_adjustment_get_value(hAdjustment) + (x-0.5)*(pageSize-width);
- gtk_adjustment_set_value(hAdjustment, MAX(MIN(value, maxX - width/2), minX + width/2));
-
- g_object_get(G_OBJECT(vAdjustment), "lower", &lower, "upper", &upper, "page_size", &pageSize, NULL);
- g_object_set(G_OBJECT(vAdjustment), "lower", minY + height/2, "upper", maxY + height/2, "page_size", height, NULL);
- gtk_adjustment_changed(vAdjustment);
-
- if(pageSize > (upper-lower) && height < imageHeight)
- value = 0;
- else
- value = gtk_adjustment_get_value(vAdjustment) + (y-0.5)*(pageSize-height);
- gtk_adjustment_set_value(vAdjustment, MAX(MIN(value, maxY - height/2), minY + height/2));
-
- gdk_window_thaw_updates(drawingArea->window);
-
- updateScrolling();
-}
-
-void Drawer::updateHoveredPoint(float x, float y) {
- Vertex v(x, y);
- viewToImage(&v);
- window->getEditManager().setHoveredVertex(&v, scale);
-
- g_object_set(G_OBJECT(hRuler), "position", v.getX(), NULL);
- g_object_set(G_OBJECT(vRuler), "position", v.getY(), NULL);
-}
-
-void Drawer::render() {
- GdkGLContext *context = gtk_widget_get_gl_context(drawingArea);
- GdkGLDrawable *drawable = gtk_widget_get_gl_drawable(drawingArea);
-
- Rectangle rect(0, 0, drawingArea->allocation.width, drawingArea->allocation.height);
-
- viewToImage(&rect.getVertex1());
- viewToImage(&rect.getVertex2());
-
- if(!gdk_gl_drawable_gl_begin(drawable, context))
- return;
-
- glMatrixMode(GL_MODELVIEW);
- glPushMatrix();
-
- glScalef(scale, scale, 1);
- glTranslatef(-xCenter, -yCenter, 0);
-
- renderer.render(window->getLevel(), rect, scale);
-
- if(window->getActiveTool()->getRenderer())
- window->getActiveTool()->getRenderer()->render(window->getLevel(), rect, scale);
-
- glMatrixMode(GL_MODELVIEW);
- glPopMatrix();
-
- gdk_gl_drawable_swap_buffers(drawable);
- gdk_gl_drawable_gl_end(drawable);
-}
-
-Drawer::Drawer(Window *window, GdkGLConfig *glconfig) : renderer(&window->getEditManager()) {
- this->window = window;
- zoomExp = 0;
- scale = 100;
- xCenter = 0;
- yCenter = 0;
-
- drawer = gtk_table_new(3, 3, FALSE);
- g_object_ref_sink(G_OBJECT(drawer));
-
- drawingArea = gtk_drawing_area_new();
- gtk_widget_set_gl_capability(drawingArea, glconfig, NULL, TRUE, GDK_GL_RGBA_TYPE);
- g_signal_connect(G_OBJECT(drawingArea), "realize", G_CALLBACK(realize), this);
- g_signal_connect(G_OBJECT(drawingArea), "configure-event", G_CALLBACK(eventHandler), this);
- g_signal_connect(G_OBJECT(drawingArea), "expose-event", G_CALLBACK(eventHandler), this);
- g_signal_connect(G_OBJECT(drawingArea), "button-press-event", G_CALLBACK(eventHandler), this);
- g_signal_connect(G_OBJECT(drawingArea), "button-release-event", G_CALLBACK(eventHandler), this);
- g_signal_connect(G_OBJECT(drawingArea), "enter-notify-event", G_CALLBACK(eventHandler), this);
- g_signal_connect(G_OBJECT(drawingArea), "leave-notify-event", G_CALLBACK(eventHandler), this);
- g_signal_connect(G_OBJECT(drawingArea), "motion-notify-event", G_CALLBACK(eventHandler), this);
- g_signal_connect(G_OBJECT(drawingArea), "scroll-event", G_CALLBACK(eventHandler), this);
- gtk_widget_add_events(drawingArea, GDK_SCROLL_MASK | GDK_POINTER_MOTION_MASK | GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK | GDK_BUTTON_RELEASE_MASK);
- gtk_table_attach(GTK_TABLE(drawer), drawingArea, 1, 2, 1, 2, (GtkAttachOptions)(GTK_FILL|GTK_EXPAND|GTK_SHRINK), (GtkAttachOptions)(GTK_FILL|GTK_EXPAND|GTK_SHRINK), 0, 0);
-
- hAdjustment = GTK_ADJUSTMENT(gtk_adjustment_new(0, 0, 0, 10, 100, 100));
- GtkWidget *hScroll = gtk_hscrollbar_new(hAdjustment);
- g_signal_connect(G_OBJECT(hScroll), "value-changed", G_CALLBACK(valueChanged), this);
- gtk_table_attach(GTK_TABLE(drawer), hScroll, 1, 2, 2, 3, (GtkAttachOptions)(GTK_FILL|GTK_EXPAND|GTK_SHRINK), (GtkAttachOptions)0, 0, 0);
-
- vAdjustment = GTK_ADJUSTMENT(gtk_adjustment_new(0, 0, 0, 10, 100, 100));
- GtkWidget *vScroll = gtk_vscrollbar_new(vAdjustment);
- g_signal_connect(G_OBJECT(vScroll), "value-changed", G_CALLBACK(valueChanged), this);
- gtk_table_attach(GTK_TABLE(drawer), vScroll, 2, 3, 1, 2, (GtkAttachOptions)0, (GtkAttachOptions)(GTK_FILL|GTK_EXPAND|GTK_SHRINK), 0, 0);
-
- hRuler = gtk_hruler_new();
- gtk_table_attach(GTK_TABLE(drawer), hRuler, 1, 2, 0, 1, (GtkAttachOptions)(GTK_FILL|GTK_EXPAND|GTK_SHRINK), (GtkAttachOptions)0, 0, 0);
-
- vRuler = gtk_vruler_new();
- gtk_table_attach(GTK_TABLE(drawer), vRuler, 0, 1, 1, 2, (GtkAttachOptions)0, (GtkAttachOptions)(GTK_FILL|GTK_EXPAND|GTK_SHRINK), 0, 0);
-
- gtk_widget_show_all(drawer);
-}
-
-Drawer::~Drawer() {
- g_object_unref(G_OBJECT(drawer));
-}
-
-void Drawer::zoom(int zoom, float x, float y) {
- zoomExp = MAX(MIN(zoomExp + zoom, 50), -100);
-
- scale = 100*powf(1.1f, zoomExp);
-
- updateScrollbars(x, y);
-}
-
-void Drawer::imageToView(Vertex *v) const {
- v->setX((v->getX()-xCenter)*scale + getWidth()/2);
- v->setY((v->getY()-yCenter)*scale + getHeight()/2);
-}
-
-void Drawer::viewToImage(Vertex *v) const {
- v->setX((v->getX()-getWidth()/2)/scale+xCenter);
- v->setY((v->getY()-getHeight()/2)/scale+yCenter);
-}
-
-float Drawer::getImageWidth() const {
- float max = 0;
-
- for(Level::iterator object = window->getLevel().begin(); object != window->getLevel().end(); object++) {
- if((*object)->isOfType("Room")) {
- const Polygon &polygon = ((Room*)&**object)->getPolygon();
-
- for(Polygon::const_iterator v = polygon.begin(); v != polygon.end(); v++) {
- max = fmaxf(max, fabsf(v->getX()));
- }
- }
- }
-
- return (2*max+1);
-}
-
-float Drawer::getImageHeight() const {
- float max = 0;
-
- for(Level::iterator object = window->getLevel().begin(); object != window->getLevel().end(); object++) {
- if((*object)->isOfType("Room")) {
- const Polygon &polygon = ((Room*)&**object)->getPolygon();
-
- for(Polygon::const_iterator v = polygon.begin(); v != polygon.end(); v++) {
- max = fmaxf(max, fabsf(v->getY()));
- }
- }
- }
-
- return (2*max+1);
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-07 17:32:47 +0200