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#include "draw.h"
#include "level.h"
#include <gtk/gtk.h>
#include <cairo/cairo.h>
static double scale = 100.0;
static double xTranslate = 0.0, yTranslate = 0.0;
static void room2path(cairo_t *cr, ROOM *room) {
int i;
if(room->nVertices == 0) return;
cairo_move_to(cr, room->vertices[0].x, room->vertices[0].y);
for(i = 1; i < room->nVertices; i++)
cairo_line_to(cr, room->vertices[i].x, room->vertices[i].y);
cairo_close_path(cr);
}
gboolean drawTopView(GtkWidget *widget, GdkEventExpose *event, gpointer data) {
VERTEX vertices[4] = {{-1,-1}, {-1,1}, {1,1}, {1,-1}};
ROOM room = {sizeof(vertices)/sizeof(vertices[0]), vertices};
LEVEL lvl = {1, &room};
cairo_t *cr;
int i;
cr = gdk_cairo_create(widget->window);
cairo_rectangle(cr, event->area.x, event->area.y, event->area.width, event->area.height);
cairo_clip(cr);
cairo_translate(cr, getImageWidth()/2-xTranslate, getImageHeight()/2-yTranslate);
cairo_scale(cr, scale, scale);
cairo_set_line_width(cr, 1.0/scale);
for(i = 0; i < lvl.nRooms; i++)
room2path(cr, &lvl.rooms[i]);
cairo_set_source_rgba(cr, 0.0, 0.7, 1.0, 0.3);
cairo_fill_preserve(cr);
cairo_set_source_rgba(cr, 0.0, 0.7, 1.0, 0.7);
cairo_stroke(cr);
cairo_destroy (cr);
return FALSE;
}
double getScale() {
return scale;
}
void setScale(double s) {
scale = s;
}
double getImageWidth() {
return 5*scale;
}
double getImageHeight() {
return 5*scale;
}
double getXTranslate() {
return xTranslate;
}
void setXTranslate(double x) {
xTranslate = x;
}
double getYTranslate() {
return yTranslate;
}
void setYTranslate(double y) {
yTranslate = y;
}
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