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