- get text box correctly draws text with transparent background

- sprite toggle hidden registered as playable animation

pgfw/Sprite.py

@@ -29,6 +29,7 @@ class Sprite(Animation):
         self.locations.append(Location(self))
         self.motion_overflow = Vector()
         self.display_surface = self.get_display_surface()
+        self.register(self.toggle_hidden)
 
     def __getattr__(self, name):
         if name in ("location", "rect"):

pgfw/extension.py

@@ -1,7 +1,7 @@
 from random import randint, random
 from math import sin, cos, atan2, radians, sqrt, pi
 
-from pygame import Surface, PixelArray, Color, Rect
+from pygame import Surface, PixelArray, Color, Rect, draw
 from pygame.mixer import get_num_channels, Channel
 from pygame.locals import *
 
@@ -165,10 +165,11 @@ def render_box(font, text, antialias, color, background=None, border=None,
             border_width = [border_width] * 2
         border_width = [x * 2 for x in border_width]
         rect = surface.get_rect()
-        bordered_surface = Surface(rect.inflate(border_width).size)
+        bordered_surface = Surface(rect.inflate(border_width).size, SRCALPHA)
         bordered_surface.fill(border)
         rect.center = bordered_surface.get_rect().center
-        bordered_surface.blit(surface, rect)
+        bordered_surface.fill((255, 255, 255, 255), rect)
+        bordered_surface.blit(surface, rect, None, BLEND_RGBA_MIN)
         surface = bordered_surface
     return surface
 
@@ -238,7 +239,7 @@ def get_blinds_frames(surface, step=.05, count=4, fill=(0, 0, 0, 0)):
     frames = []
     rects = []
     h = int(round(surface.get_height() / float(count)))
-    for ii in range(count):
+    for ii in range(1, count + 1):
         rects.append(Rect(0, h * ii, surface.get_width(), 0))
     bar_h = int(round(h * step))
     if bar_h < 1:
@@ -246,10 +247,10 @@ def get_blinds_frames(surface, step=.05, count=4, fill=(0, 0, 0, 0)):
     while rects[0].h < h:
         frame = surface.copy()
         for rect in rects:
-            rect.inflate_ip(0, bar_h)
-            frame.fill(fill, rect)
             bottom = rect.bottom
+            rect.inflate_ip(0, bar_h)
             rect.bottom = bottom
+            frame.fill(fill, rect)
         frames.append(frame)
     return frames
 
@@ -264,7 +265,7 @@ def get_random_hsla_color(hue_range=(0, 359), saturation_range=(0, 100),
         randint(*hue_range), randint(*saturation_range), randint(*lightness_range),
         randint(*alpha_range))
 
-# adapted from http://www.pygame.org/wiki/BezierCurve
+# http://www.pygame.org/wiki/BezierCurve
 def compute_bezier_points(vertices, numPoints=60):
     points = []
     b0x = vertices[0][0]
@@ -285,7 +286,6 @@ def compute_bezier_points(vertices, numPoints=60):
     dy = b0y
     numSteps = numPoints - 1
     h = 1.0 / numSteps
-    # Compute forward differences from Bezier points and "h"
     pointX = dx
     pointY = dy
     firstFDX = ax * h ** 3 + bx * h ** 2 + cx * h
@@ -294,7 +294,6 @@ def compute_bezier_points(vertices, numPoints=60):
     secondFDY = 6 * ay * h ** 3 + 2 * by * h ** 2
     thirdFDX = 6 * ax * h ** 3
     thirdFDY = 6 * ay * h ** 3
-    # Compute points at each step
     points.append(Vector(pointX, pointY))
     for i in range(numSteps):
         pointX += firstFDX