« back to all changes in this revision
Viewing changes to trunk/cairoplot.py
- browse files at revision 32
- compare with another revision
- download diff
- download tarball
- view history from revision 32
- Committer: Rodrigo Moreira Araujo
- Date: 2009-03-11 00:29:17 UTC
- Revision ID: rodrigo@scrooge-20090311002917-3warch0r3wek5u8l
CairoPlot.py:
- Value labels above the bars are now possible through the display_values attribute.
- Value labels above the bars are now possible through the display_values attribute.
- files modified:
- trunk/ChangeLog
added
removed
trunk/cairoplot.py
815
815
height = 480,
816
816
background = "white light_gray",
817
817
border = 0,
818
display_values = False,
818
819
grid = False,
819
820
rounded_corners = False,
820
821
stack = False,
829
830
self.bounds = {}
830
831
self.bounds[HORZ] = x_bounds
831
832
self.bounds[VERT] = y_bounds
833
self.display_values = display_values
832
834
self.grid = grid
833
835
self.rounded_corners = rounded_corners
834
836
self.stack = stack
835
837
self.three_dimension = three_dimension
836
838
self.x_label_angle = math.pi / 2.5
837
self.max_value = {}
838
839
self.main_dir = main_dir
840
self.max_value = {}
839
841
self.plot_dimensions = {}
840
842
self.steps = {}
843
self.value_label_color = (0.5,0.5,0.5,1.0)
841
844
842
845
Plot.__init__(self, surface, data, width, height, background, border, x_labels, y_labels, series_colors)
843
846
885
888
self.calc_horz_extents()
886
889
self.calc_vert_extents()
887
890
other_dir = other_direction(self.main_dir)
891
self.value_label = 0
892
if self.display_values:
893
if self.stack:
894
self.value_label = self.context.text_extents(str(max(sum(serie) for serie in self.data)))[2 + self.main_dir]
895
else:
896
self.value_label = self.context.text_extents(str(max(max(serie) for serie in self.data)))[2 + self.main_dir]
897
print self.context.text_extents(str(max(max(serie) for serie in self.data)))
888
898
if self.labels[self.main_dir]:
889
self.plot_dimensions[self.main_dir] = self.dimensions[self.main_dir] - 2*self.borders[self.main_dir]
899
self.plot_dimensions[self.main_dir] = self.dimensions[self.main_dir] - 2*self.borders[self.main_dir] - self.value_label
890
900
else:
891
self.plot_dimensions[self.main_dir] = self.dimensions[self.main_dir] - self.borders[self.main_dir] - 1.2*self.border
901
self.plot_dimensions[self.main_dir] = self.dimensions[self.main_dir] - self.borders[self.main_dir] - 1.2*self.border - self.value_label
892
902
self.plot_dimensions[other_dir] = self.dimensions[other_dir] - self.borders[other_dir] - self.border
893
903
self.plot_top = self.dimensions[VERT] - self.borders[VERT]
894
904
913
923
self.render_grid()
914
924
if self.three_dimension:
915
925
self.render_ground()
926
if self.display_values:
927
self.render_values()
916
928
self.render_labels()
917
929
self.render_plot()
918
930
934
946
self.context.line_to(x1-shift, y0+shift)
935
947
self.context.line_to(x0-shift, y0+shift)
936
948
self.context.close_path()
949
950
def draw_round_rectangle(self, x0, y0, x1, y1):
951
self.context.arc(x0+5, y0+5, 5, -math.pi, -math.pi/2)
952
self.context.line_to(x1-5, y0)
953
self.context.arc(x1-5, y0+5, 5, -math.pi/2, 0)
954
self.context.line_to(x1, y1-5)
955
self.context.arc(x1-5, y1-5, 5, 0, math.pi/2)
956
self.context.line_to(x0+5, y1)
957
self.context.arc(x0+5, y1-5, 5, math.pi/2, math.pi)
958
self.context.line_to(x0, y0+5)
959
self.context.close_path()
937
960
938
961
def render_ground(self):
939
962
self.draw_3d_rectangle_front(self.borders[HORZ], self.dimensions[VERT] - self.borders[VERT],
954
977
self.render_horz_labels()
955
978
if self.labels[VERT]:
956
979
self.render_vert_labels()
957
958
def draw_round_rectangle(self, x0, y0, x1, y1):
959
self.context.arc(x0+5, y0+5, 5, -math.pi, -math.pi/2)
960
self.context.line_to(x1-5, y0)
961
self.context.arc(x1-5, y0+5, 5, -math.pi/2, 0)
962
self.context.line_to(x1, y1-5)
963
self.context.arc(x1-5, y1-5, 5, 0, math.pi/2)
964
self.context.line_to(x0+5, y1)
965
self.context.arc(x0+5, y1-5, 5, math.pi/2, math.pi)
966
self.context.line_to(x0, y0+5)
967
self.context.close_path()
968
980
969
981
class HorizontalBarPlot(BarPlot):
970
982
def __init__(self,
974
986
height = 480,
975
987
background = "white light_gray",
976
988
border = 0,
989
display_values = False,
977
990
grid = False,
978
991
rounded_corners = False,
979
992
stack = False,
985
998
series_colors = None):
986
999
987
1000
BarPlot.__init__(self, surface, data, width, height, background, border,
988
grid, rounded_corners, stack, three_dimension,
1001
display_values, grid, rounded_corners, stack, three_dimension,
989
1002
x_labels, y_labels, x_bounds, y_bounds, series_colors, HORZ)
990
1003
991
1004
def calc_vert_extents(self):
1074
1087
y += step + self.space
1075
1088
self.labels[VERT].reverse()
1076
1089
1090
def render_values(self):
1091
self.context.set_source_rgba(*self.value_label_color)
1092
self.context.set_font_size(self.font_size * 0.8)
1093
if self.stack:
1094
for i,series in enumerate(self.data):
1095
value = sum(series)
1096
height = self.context.text_extents(str(value))[3]
1097
x = self.borders[HORZ] + value*self.steps[HORZ] + 2
1098
y = self.borders[VERT] + (i+0.5)*self.steps[VERT] + (i+1)*self.space + height/2
1099
self.context.move_to(x, y)
1100
self.context.show_text(str(value))
1101
else:
1102
for i,series in enumerate(self.data):
1103
inner_step = self.steps[VERT]/len(series)
1104
y0 = self.border + i*self.steps[VERT] + (i+1)*self.space
1105
for number,key in enumerate(series):
1106
height = self.context.text_extents(str(key))[3]
1107
self.context.move_to(self.borders[HORZ] + key*self.steps[HORZ] + 2, y0 + 0.5*inner_step + height/2, )
1108
self.context.show_text(str(key))
1109
y0 += inner_step
1110
1077
1111
def render_plot(self):
1078
1112
if self.stack:
1079
1113
for i,series in enumerate(self.data):
1119
1153
height = 480,
1120
1154
background = "white light_gray",
1121
1155
border = 0,
1156
display_values = False,
1122
1157
grid = False,
1123
1158
rounded_corners = False,
1124
1159
stack = False,
1130
1165
series_colors = None):
1131
1166
1132
1167
BarPlot.__init__(self, surface, data, width, height, background, border,
1133
grid, rounded_corners, stack, three_dimension,
1168
display_values, grid, rounded_corners, stack, three_dimension,
1134
1169
x_labels, y_labels, x_bounds, y_bounds, series_colors, VERT)
1135
1170
1136
1171
def calc_vert_extents(self):
1172
1207
if self.labels[VERT]:
1173
1208
lines = len(self.labels[VERT])
1174
1209
vertical_step = float(self.plot_dimensions[self.main_dir])/(lines-1)
1175
y = self.borders[VERT]
1210
y = self.borders[VERT] + self.value_label
1176
1211
else:
1177
1212
lines = 11
1178
1213
vertical_step = float(self.plot_dimensions[self.main_dir])/(lines-1)
1179
y = 1.2*self.border
1214
y = 1.2*self.border + self.value_label
1180
1215
for x in xrange(0, lines):
1181
1216
self.context.move_to(self.borders[HORZ], y)
1182
1217
self.context.line_to(self.dimensions[HORZ] - self.border, y)
1212
1247
x += step + self.space
1213
1248
1214
1249
def render_vert_labels(self):
1250
self.context.set_source_rgba(*self.label_color)
1215
1251
y = self.borders[VERT]
1216
1252
step = (self.dimensions[VERT] - 2*self.borders[VERT])/(len(self.labels[VERT]) - 1)
1217
1218
1253
self.labels[VERT].reverse()
1219
1254
for item in self.labels[VERT]:
1220
self.context.set_source_rgba(*self.label_color)
1221
1255
width, height = self.context.text_extents(item)[2:4]
1222
1256
self.context.move_to(self.borders[HORZ] - width - 5, y + height/2)
1223
1257
self.context.show_text(item)
1224
1258
y += step
1225
1259
self.labels[VERT].reverse()
1226
1260
1261
def render_values(self):
1262
self.context.set_source_rgba(*self.value_label_color)
1263
self.context.set_font_size(self.font_size * 0.8)
1264
if self.stack:
1265
for i,series in enumerate(self.data):
1266
value = sum(series)
1267
width = self.context.text_extents(str(value))[2]
1268
x = self.borders[HORZ] + (i+0.5)*self.steps[HORZ] + (i+1)*self.space - width/2
1269
y = value*self.steps[VERT] + 2
1270
self.context.move_to(x, self.plot_top-y)
1271
self.context.show_text(str(value))
1272
else:
1273
for i,series in enumerate(self.data):
1274
inner_step = self.steps[HORZ]/len(series)
1275
x0 = self.borders[HORZ] + i*self.steps[HORZ] + (i+1)*self.space
1276
for number,key in enumerate(series):
1277
width = self.context.text_extents(str(key))[2]
1278
self.context.move_to(x0 + 0.5*inner_step - width/2, self.plot_top - key*self.steps[VERT] - 2)
1279
self.context.show_text(str(key))
1280
x0 += inner_step
1281
1227
1282
def render_plot(self):
1228
1283
if self.stack:
1229
1284
for i,series in enumerate(self.data):
1837
1892
height,
1838
1893
background = "white light_gray",
1839
1894
border = 0,
1895
display_values = False,
1840
1896
grid = False,
1841
1897
rounded_corners = False,
1842
1898
stack = False,
1875
1931
'''
1876
1932
1877
1933
plot = VerticalBarPlot(name, data, width, height, background, border,
1878
grid, rounded_corners, stack, three_dimension,
1934
display_values, grid, rounded_corners, stack, three_dimension,
1879
1935
x_labels, y_labels, x_bounds, y_bounds, colors)
1880
1936
plot.render()
1881
1937
plot.commit()
1886
1942
height,
1887
1943
background = "white light_gray",
1888
1944
border = 0,
1945
display_values = False,
1889
1946
grid = False,
1890
1947
rounded_corners = False,
1891
1948
stack = False,
1925
1982
'''
1926
1983
1927
1984
plot = HorizontalBarPlot(name, data, width, height, background, border,
1928
grid, rounded_corners, stack, three_dimension,
1985
display_values, grid, rounded_corners, stack, three_dimension,
1929
1986
x_labels, y_labels, x_bounds, y_bounds, colors)
1930
1987
plot.render()
1931
1988
plot.commit()
Loggerhead is a web-based interface for Breezy
Version: 2.0.1