# HG changeset patch
# User Neil Muller <neil@dip.sun.ac.za>
# Date 1282718549 -7200
# Node ID 225e3a4b1e8565e90b477a12598d642b9ac44a1e
# Parent  5184d30669b5a30751eabedfd83f1e1cd336735c
Start of a tool to help construct interact rectangles

diff -r 5184d30669b5 -r 225e3a4b1e85 tools/rect_drawer.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/rect_drawer.py	Wed Aug 25 08:42:29 2010 +0200
@@ -0,0 +1,97 @@
+# 10 minute to help working out interactive regions in Suspended Sentence
+
+import sys
+
+from albow.root import RootWidget
+from albow.utils import frame_rect
+from albow.controls import Image, Button
+from albow.palette_view import PaletteView
+from pygame.locals import SWSURFACE
+import pygame
+from pygame.colordict import THECOLORS
+
+class AppImage(Image):
+
+    def __init__(self, filename):
+        image = pygame.image.load(filename)
+        super(AppImage, self).__init__(image)
+        self.mode = 'draw'
+        self.rects = []
+        self.start_pos = None
+        self.end_pos = None
+        self.draw_color = pygame.color.Color('white')
+        self.rect_color = pygame.color.Color('red')
+
+    def draw_mode(self):
+        self.mode = 'draw'
+
+    def del_mode(self):
+        self.mode = 'del'
+        self.start_pos = None
+        self.end_pos = None
+
+    def draw(self, surface):
+        super(AppImage, self).draw(surface)
+        if self.mode == 'draw' and self.start_pos:
+            rect = pygame.rect.Rect(self.start_pos[0], self.start_pos[1],
+                    self.end_pos[0] - self.start_pos[0],
+                    self.end_pos[1] - self.start_pos[1])
+            frame_rect(surface, self.draw_color, rect, 2)
+        for (col, rect) in self.rects:
+            frame_rect(surface, col, rect, 1)
+
+    def print_rects(self):
+        for (col, rect) in self.rects:
+            print col, rect
+
+    def mouse_down(self, e):
+        if self.mode == 'del':
+            pos = e.pos
+            cand = None
+            for (col, rect) in self.rects:
+                if rect.collidepoint(pos):
+                    cand = (col, rect)
+                    break
+            if cand:
+                self.rects.remove(cand)
+                self.invalidate()
+        elif self.mode == 'draw':
+            self.start_pos = e.pos
+            self.end_pos = e.pos
+
+    def mouse_up(self, e):
+        if self.mode == 'draw':
+            rect = pygame.rect.Rect(self.start_pos[0], self.start_pos[1],
+                    self.end_pos[0] - self.start_pos[0],
+                    self.end_pos[1] - self.start_pos[1])
+            rect.normalize()
+            self.rects.append((self.rect_color, rect))
+            self.start_pos = self.end_pos = None
+
+    def mouse_drag(self, e):
+        if self.mode == 'draw':
+            self.end_pos = e.pos
+            self.invalidate()
+
+
+if __name__ == "__main__":
+    pygame.display.init()
+    pygame.font.init()
+    display = pygame.display.set_mode((1000, 600))
+    filename = sys.argv[1]
+    app = RootWidget(display)
+    image = AppImage(filename)
+    app.add(image)
+    draw = Button('Draw Rect', action=image.draw_mode)
+    app.add(draw)
+    draw.rect.move_ip(810, 0)
+    delete = Button('Del Rect', action=image.del_mode)
+    app.add(delete)
+    delete.rect.move_ip(810, 50)
+    print_rects = Button("Print rects", action=image.print_rects)
+    app.add(print_rects)
+    print_rects.rect.move_ip(810, 100)
+    quit_but = Button("Quit", action=app.quit)
+    app.add(quit_but)
+    quit_but.rect.move_ip(810, 500)
+    app.run()