worked on prettying up scivi.

scikits/image/io/_plugins/_colormixer.pyx

@@ -248,6 +248,7 @@ cdef void rgb_2_hsv(float* RGB, float* HSV) nogil:
     else:
         pass
 
+
     if R < G:
         MIN = R
         MAX = G

scikits/image/io/_plugins/q_color_mixer.py

@@ -66,7 +66,7 @@ class IntelligentSlider(QWidget):
         return self.slider.value() * self.a + self.b
 
 
-class MixerPanel(QWidget):
+class MixerPanel(QtGui.QFrame):
     '''A color mixer to hook up to an image.
     You pass the image you the panel to operate on
     and it operates on that image in place. You also
@@ -74,7 +74,8 @@ class MixerPanel(QWidget):
     This callback is called every time the mixer modifies
     your image.'''
     def __init__(self, img):
-        QWidget.__init__(self)
+        QtGui.QFrame.__init__(self)
+        #self.setFrameStyle(QtGui.QFrame.Box|QtGui.QFrame.Sunken)
 
         self.img = img
         self.mixer = ColorMixer(self.img)

scikits/image/io/_plugins/q_histogram.py

@@ -1,6 +1,6 @@
 import numpy as np
 
-from PyQt4.QtGui import QWidget, QPainter, QGridLayout, QColor
+from PyQt4.QtGui import QWidget, QPainter, QGridLayout, QColor, QFrame
 
 from util import histograms
 
@@ -103,7 +103,7 @@ class ColorHistogram(QWidget):
         self.repaint()
 
 
-class QuadHistogram(QWidget):
+class QuadHistogram(QFrame):
     '''A class which uses ColorHistogram to draw
     the 4 histograms of an image. R, G, B, and Value.
 
@@ -113,14 +113,17 @@ class QuadHistogram(QWidget):
     '''
 
     def __init__(self, img, layout='vertical', order=['R', 'G', 'B', 'V']):
-        QWidget.__init__(self)
+        QFrame.__init__(self)
+
         r, g, b, v = histograms(img, 100)
         self.r_hist = ColorHistogram(r, (255, 0, 0))
         self.g_hist = ColorHistogram(g, (0, 255, 0))
         self.b_hist = ColorHistogram(b, (0, 0, 255))
         self.v_hist = ColorHistogram(v, (0, 0, 0))
 
+        self.setFrameStyle(QFrame.StyledPanel|QFrame.Sunken)
         self.layout = QGridLayout(self)
+        self.layout.setMargin(0)
 
         order_map = {'R': self.r_hist, 'G': self.g_hist, 'B': self.b_hist,
                      'V': self.v_hist}

scikits/image/io/_plugins/scivi.py

@@ -66,9 +66,11 @@ class ImageLabel(QLabel):
         self.setPixmap(pm)
 
 
-class RGBHSVDisplay(QWidget):
+class RGBHSVDisplay(QFrame):
     def __init__(self):
-        QWidget.__init__(self)
+        QFrame.__init__(self)
+        self.setFrameStyle(QtGui.QFrame.Box|QtGui.QFrame.Sunken)
+
         self.posx_label = QLabel('X-pos:')
         self.posx_value = QLabel()
         self.posy_label = QLabel('Y-pos:')
@@ -129,8 +131,15 @@ class SciviImageWindow(QMainWindow):
         self.setCentralWidget(self.main_widget)
 
         self.label = ImageLabel(self, arr)
-        self.layout.addWidget(self.label, 0, 0)
-        self.layout.addLayout
+        self.label_container = QFrame()
+        self.label_container.setFrameShape(QtGui.QFrame.StyledPanel|QtGui.QFrame.Sunken)
+        self.label_container.setLineWidth(1)
+
+        self.label_container.layout = QtGui.QGridLayout(self.label_container)
+        self.label_container.layout.setMargin(0)
+        self.label_container.layout.addWidget(self.label, 0, 0)
+        self.layout.addWidget(self.label_container, 0, 0)
+
         self.mgr.add_window(self)
         self.main_widget.show()