Added a method to draw a text without a box

Thiago Franco de Moraes
1 parent b5a74ff2
Showing 1 changed file with 27 additions and 3 deletions Show diff stats
invesalius/data/viewer_slice.py
@@ -344,6 +344,29 @@ class CanvasRendererCTX:
         gc.SetBrush(wx.Brush(fill_colour))
         gc.DrawRectangle(px, py, width, height)
+    def draw_text(self, text, pos, font=None, txt_colour=(255, 255, 255)):
+        """
+        Draw text.
+
+        Params:
+            text: an unicode text.
+            pos: (x, y) position.
+            font: if None it'll use the default gui font.
+            txt_colour: RGB text colour
+        """
+        if self.gc is None:
+            return None
+        gc = self.gc
+
+        if font is None:
+            font = wx.SystemSettings.GetFont(wx.SYS_DEFAULT_GUI_FONT)
+
+        font = gc.CreateFont(font, txt_colour)
+        gc.SetFont(font)
+
+        px, py = pos
+        gc.DrawText(text, px, py)
+
     def draw_text_box(self, text, pos, font=None, txt_colour=(255, 255, 255), bg_colour=(128, 128, 128, 128), border=5):
         """
         Draw text inside a text box.
@@ -363,8 +386,8 @@ class CanvasRendererCTX:
         if font is None:
             font = wx.SystemSettings.GetFont(wx.SYS_DEFAULT_GUI_FONT)
-        font = gc.CreateFont(font, txt_colour)
-        gc.SetFont(font)
+        _font = gc.CreateFont(font, txt_colour)
+        gc.SetFont(_font)
         w, h = gc.GetTextExtent(text)
         px, py = pos
@@ -374,8 +397,9 @@ class CanvasRendererCTX:
         cw, ch = w + border * 2, h + border * 2
         self.draw_rectangle((px, py), cw, ch, bg_colour, bg_colour)
+        # Drawing the text
         tpx, tpy = px + border, py + border
-        gc.DrawText(text, tpx, tpy)
+        self.draw_text(text, (tpx, tpy), font, txt_colour)
     def draw_arc(self, center, p0, p1, line_colour=(255, 0, 0, 128), width=2):
         """
	@@ -344,6 +344,29 @@ class CanvasRendererCTX:		@@ -344,6 +344,29 @@ class CanvasRendererCTX:
344	gc.SetBrush(wx.Brush(fill_colour))	344	gc.SetBrush(wx.Brush(fill_colour))
345	gc.DrawRectangle(px, py, width, height)	345	gc.DrawRectangle(px, py, width, height)
346		346
		347	+ def draw_text(self, text, pos, font=None, txt_colour=(255, 255, 255)):
		348	+ """
		349	+ Draw text.
		350	+
		351	+ Params:
		352	+ text: an unicode text.
		353	+ pos: (x, y) position.
		354	+ font: if None it'll use the default gui font.
		355	+ txt_colour: RGB text colour
		356	+ """
		357	+ if self.gc is None:
		358	+ return None
		359	+ gc = self.gc
		360	+
		361	+ if font is None:
		362	+ font = wx.SystemSettings.GetFont(wx.SYS_DEFAULT_GUI_FONT)
		363	+
		364	+ font = gc.CreateFont(font, txt_colour)
		365	+ gc.SetFont(font)
		366	+
		367	+ px, py = pos
		368	+ gc.DrawText(text, px, py)
		369	+
347	def draw_text_box(self, text, pos, font=None, txt_colour=(255, 255, 255), bg_colour=(128, 128, 128, 128), border=5):	370	def draw_text_box(self, text, pos, font=None, txt_colour=(255, 255, 255), bg_colour=(128, 128, 128, 128), border=5):
348	"""	371	"""
349	Draw text inside a text box.	372	Draw text inside a text box.
	@@ -363,8 +386,8 @@ class CanvasRendererCTX:		@@ -363,8 +386,8 @@ class CanvasRendererCTX:
363	if font is None:	386	if font is None:
364	font = wx.SystemSettings.GetFont(wx.SYS_DEFAULT_GUI_FONT)	387	font = wx.SystemSettings.GetFont(wx.SYS_DEFAULT_GUI_FONT)
365		388
366	- font = gc.CreateFont(font, txt_colour)
367	- gc.SetFont(font)	389	+ _font = gc.CreateFont(font, txt_colour)
		390	+ gc.SetFont(_font)
368	w, h = gc.GetTextExtent(text)	391	w, h = gc.GetTextExtent(text)
369		392
370	px, py = pos	393	px, py = pos
	@@ -374,8 +397,9 @@ class CanvasRendererCTX:		@@ -374,8 +397,9 @@ class CanvasRendererCTX:
374	cw, ch = w + border * 2, h + border * 2	397	cw, ch = w + border * 2, h + border * 2
375	self.draw_rectangle((px, py), cw, ch, bg_colour, bg_colour)	398	self.draw_rectangle((px, py), cw, ch, bg_colour, bg_colour)
376		399
		400	+ # Drawing the text
377	tpx, tpy = px + border, py + border	401	tpx, tpy = px + border, py + border
378	- gc.DrawText(text, tpx, tpy)	402	+ self.draw_text(text, (tpx, tpy), font, txt_colour)
379		403
380	def draw_arc(self, center, p0, p1, line_colour=(255, 0, 0, 128), width=2):	404	def draw_arc(self, center, p0, p1, line_colour=(255, 0, 0, 128), width=2):
381	"""	405	"""