Custom position and size of qrcode for mpl engine.

examples/image_example.py

@@ -25,7 +25,13 @@ IMGS_AS_LIST = [IMG1, IMG2]
 
 # Example for how to use tagplot with image files
 FIGS_AND_IDS = tagplot(
-    IMGS_AS_LIST, "image", prefix=PROJECT_ID, id_method="time", location="west"
+    IMGS_AS_LIST,
+    "image",
+    prefix=PROJECT_ID,
+    id_method="time",
+    location="west",
+    qr_size=70,
+    qr_position=(0.5, 0.5),
 )
 # Required arguments: tagplot(images as list, desired plot engine)
 

examples/matplotlib_example.py

@@ -40,7 +40,14 @@ FIGS_AS_LIST = [FIG1, FIG2]
 
 # Example for how to use tagplot with matplotlib figures
 FIGS_AND_IDS = tagplot(
-    FIGS_AS_LIST, "matplotlib", location="west", id_method="random", prefix=PROJECT_ID
+    FIGS_AS_LIST,
+    "matplotlib",
+    location="west",
+    id_method="random",
+    prefix=PROJECT_ID,
+    qrcode=True,
+    # qr_position=(0.5, 0.5),
+    qr_size=50.5,
 )
 # Required arguments: tagplot(images as list, desired plot engine)
 

plotid/plotoptions.py

@@ -41,6 +41,11 @@ class PlotOptions:
     qrcode : bool, optional
         Experimental support to encode the ID in a QR code on the exported plot.
         Default: False.
+    qr_position : tuple, optional
+        Position of the bottom right corner of the QR Code on the plot in relative
+        (x, y) coordinates. Default: (1, 0).
+    qr_size: int or float, optional
+        Size of the QR code in arbitrary units. Default: 100.
     id_on_plot: bool, optional
         Print ID on the plot. Default: True.
     """
@@ -54,6 +59,8 @@ class PlotOptions:
         self.prefix = kwargs.get("prefix", "")
         self.id_method = kwargs.get("id_method", "time")
         self.qrcode = kwargs.get("qrcode", False)
+        self.qr_position = kwargs.get("qr_position", (1, 0))
+        self.qr_size = kwargs.get("qr_size", 100)
         self.id_on_plot = kwargs.get("id_on_plot", True)
 
     def __str__(self):

plotid/tagplot.py

@@ -51,6 +51,11 @@ def tagplot(figs, engine, **kwargs):
     qrcode : bool, optional
          Experimental support to encode the ID in a QR code on the exported plot.
          Default: False.
+    qr_position : tuple, optional
+        Position of the bottom right corner of the QR Code on the plot in relative
+        (x, y) coordinates. Default: (1, 0).
+    qr_size: int or float, optional
+        Size of the QR code in arbitrary units. Default: 100.
      id_on_plot: bool, optional
          Print ID on the plot. Default: True.
 

plotid/tagplot_image.py

@@ -45,12 +45,12 @@ def tagplot_image(plotid_object):
     fontsize = 12
     font = ImageFont.load_default()
 
-    if plotid_object.font:
-        try:
-            # Absolute path to font file (.ttf or .otf) has to be given
-            font = ImageFont.truetype(plotid_object.font, fontsize)
-        except OSError:
-            warnings.warn("Font was not found.\nplotID continues with fallback font.")
+    # if plotid_object.font:
+    #     try:
+    #         # Absolute path to font file (.ttf or .otf) has to be given
+    #         font = ImageFont.truetype(plotid_object.font, fontsize)
+    #     except OSError:
+    #         warnings.warn("Font was not found.\nplotID continues with fallback font.")
 
     for i, img in enumerate(plotid_object.figs):
         img_id = plotid_object.prefix + create_id(plotid_object.id_method)
@@ -73,8 +73,18 @@ def tagplot_image(plotid_object):
 
         if plotid_object.qrcode:
             qrcode = create_qrcode(img_id)
-            qrcode.thumbnail((100, 100), Image.ANTIALIAS)
-            img.paste(qrcode, box=(img.width - 100, img.height - 100))
+            qrcode.thumbnail(
+                (plotid_object.qr_size, plotid_object.qr_size), Image.ANTIALIAS
+            )
+            img.paste(
+                qrcode,
+                box=(
+                    img.width * plotid_object.position[0],
+                    img.height * (1 - plotid_object.position[1])
+                    # img.width * plotid_object.qr_position[0] - plotid_object.qr_size,
+                    # img.height * (1 - plotid_object.qr_position[1]),
+                ),
+            )
         plotid_object.figs[i] = img
 
     figs_and_ids = PlotIDTransfer(plotid_object.figs, plotid_object.figure_ids)

plotid/tagplot_matplotlib.py

@@ -63,8 +63,16 @@ def tagplot_matplotlib(plotid_object):
 
         if plotid_object.qrcode:
             qrcode = create_qrcode(fig_id)
-            qrcode.thumbnail((100, 100), Image.ANTIALIAS)
-            fig.figimage(qrcode, fig.bbox.xmax - 100, 0, cmap="bone")
+            qrcode.thumbnail(
+                (plotid_object.qr_size, plotid_object.qr_size), Image.ANTIALIAS
+            )
+            # fig.figimage(qrcode, fig.bbox.xmax - 100, 0, cmap="bone")
+            fig.figimage(
+                qrcode,
+                fig.bbox.xmax * plotid_object.qr_position[0] - plotid_object.qr_size,
+                fig.bbox.ymax * plotid_object.qr_position[1],
+                cmap="bone",
+            )
             fig.tight_layout()
 
     figs_and_ids = PlotIDTransfer(plotid_object.figs, plotid_object.figure_ids)