From be27763f8be0f647cbe17ecee8c782901ce2cede Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Isma=C3=ABl=20Bouya?= <ismael.bouya@normalesup.org>
Date: Sat, 18 Jun 2016 22:13:19 +0200
Subject: Move classes to separate file

---
 helpers/rounded_rect.py | 62 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 helpers/rounded_rect.py

(limited to 'helpers/rounded_rect.py')

diff --git a/helpers/rounded_rect.py b/helpers/rounded_rect.py
new file mode 100644
index 0000000..f168e0e
--- /dev/null
+++ b/helpers/rounded_rect.py
@@ -0,0 +1,62 @@
+import pygame
+
+class RoundedRect:
+    def __init__(self, rect, outer_color, inner_color, linewidth = 2, radius = 0.4):
+        self.rect        = pygame.Rect(rect)
+        self.outer_color = pygame.Color(*outer_color)
+        self.inner_color = pygame.Color(*inner_color)
+        self.linewidth   = linewidth
+        self.radius      = radius
+
+    def surface(self):
+        rectangle       = self.filledRoundedRect(self.rect, self.outer_color, self.radius)
+
+        inner_rect      = pygame.Rect((
+                self.rect.left   + 2 * self.linewidth,
+                self.rect.top    + 2 * self.linewidth,
+                self.rect.right  - 2 * self.linewidth,
+                self.rect.bottom - 2 * self.linewidth
+                ))
+
+        inner_rectangle = self.filledRoundedRect(inner_rect, self.inner_color, self.radius)
+
+        rectangle.blit(inner_rectangle, (self.linewidth, self.linewidth))
+
+        return rectangle
+
+    def filledRoundedRect(self, rect, color, radius=0.4):
+        """
+        filledRoundedRect(rect,color,radius=0.4)
+
+        rect    : rectangle
+        color   : rgb or rgba
+        radius  : 0 <= radius <= 1
+        """
+
+        alpha        = color.a
+        color.a      = 0
+        pos          = rect.topleft
+        rect.topleft = 0,0
+        rectangle    = pygame.Surface(rect.size,pygame.SRCALPHA)
+
+        circle       = pygame.Surface([min(rect.size)*3]*2,pygame.SRCALPHA)
+        pygame.draw.ellipse(circle,(0,0,0),circle.get_rect(),0)
+        circle       = pygame.transform.smoothscale(circle,[int(min(rect.size)*radius)]*2)
+
+        radius              = rectangle.blit(circle,(0,0))
+        radius.bottomright  = rect.bottomright
+        rectangle.blit(circle,radius)
+        radius.topright     = rect.topright
+        rectangle.blit(circle,radius)
+        radius.bottomleft   = rect.bottomleft
+        rectangle.blit(circle,radius)
+
+        rectangle.fill((0,0,0),rect.inflate(-radius.w,0))
+        rectangle.fill((0,0,0),rect.inflate(0,-radius.h))
+
+        rectangle.fill(color,special_flags=pygame.BLEND_RGBA_MAX)
+        rectangle.fill((255,255,255,alpha),special_flags=pygame.BLEND_RGBA_MIN)
+
+        return rectangle
+
+
-- 
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