matplotlib · ayshih · Jun 18, 2025 · Jun 18, 2025 · Jun 18, 2025 · Jun 19, 2025
diff --git a/extern/agg24-svn/include/agg_image_filters.h b/extern/agg24-svn/include/agg_image_filters.h
@@ -20,6 +20,8 @@
 #ifndef AGG_IMAGE_FILTERS_INCLUDED
 #define AGG_IMAGE_FILTERS_INCLUDED
 
+#define MPL_FIX_IMAGE_FILTER_LUT_BUGS
+
 #include "agg_array.h"
 #include "agg_math.h"
 
@@ -53,6 +55,7 @@ namespace agg
             double r = filter.radius();
             realloc_lut(r);
             unsigned i;
+#ifndef MPL_FIX_IMAGE_FILTER_LUT_BUGS
             unsigned pivot = diameter() << (image_subpixel_shift - 1);
             for(i = 0; i < pivot; i++)
             {
@@ -63,6 +66,17 @@ namespace agg
             }
             unsigned end = (diameter() << image_subpixel_shift) - 1;
             m_weight_array[0] = m_weight_array[end];
+#else
+            unsigned pivot = (diameter() << (image_subpixel_shift - 1)) - 1;
+            for(i = 0; i <= pivot + 1; i++)
+            {
+                double x = double(i) / double(image_subpixel_scale);
+                double y = filter.calc_weight(x);
+                int16 value = iround(y * image_filter_scale);
+                m_weight_array[pivot + i] = value;
+                if(i <= pivot) m_weight_array[pivot - i] = value;
+            }
+#endif
             if(normalization) 
             {
                 normalize();

diff --git a/extern/agg24-svn/src/agg_image_filters.cpp b/extern/agg24-svn/src/agg_image_filters.cpp
@@ -88,6 +88,7 @@ namespace agg
             }
         }
 
+#ifndef MPL_FIX_IMAGE_FILTER_LUT_BUGS
         unsigned pivot = m_diameter << (image_subpixel_shift - 1);
 
         for(i = 0; i < pivot; i++)
@@ -96,6 +97,7 @@ namespace agg
         }
         unsigned end = (diameter() << image_subpixel_shift) - 1;
         m_weight_array[0] = m_weight_array[end];
+#endif
     }
 
 

diff --git a/lib/matplotlib/tests/baseline_images/test_axes/fill_units.png b/lib/matplotlib/tests/baseline_images/test_axes/fill_units.png
diff --git a/lib/matplotlib/tests/baseline_images/test_axes/formatter_ticker_002.png b/lib/matplotlib/tests/baseline_images/test_axes/formatter_ticker_002.png
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diff --git a/lib/matplotlib/tests/baseline_images/test_axes/pcolor_datetime_axis.png b/lib/matplotlib/tests/baseline_images/test_axes/pcolor_datetime_axis.png
diff --git a/lib/matplotlib/tests/baseline_images/test_axes/pcolormesh_datetime_axis.png b/lib/matplotlib/tests/baseline_images/test_axes/pcolormesh_datetime_axis.png
diff --git a/lib/matplotlib/tests/baseline_images/test_axes/pie_rotatelabels_true.png b/lib/matplotlib/tests/baseline_images/test_axes/pie_rotatelabels_true.png
diff --git a/lib/matplotlib/tests/baseline_images/test_axes/test_stairs_datetime.png b/lib/matplotlib/tests/baseline_images/test_axes/test_stairs_datetime.png
diff --git a/lib/matplotlib/tests/baseline_images/test_axes/use_colorizer_keyword.png b/lib/matplotlib/tests/baseline_images/test_axes/use_colorizer_keyword.png
diff --git a/lib/matplotlib/tests/baseline_images/test_colorbar/colorbar_keeping_xlabel.png b/lib/matplotlib/tests/baseline_images/test_colorbar/colorbar_keeping_xlabel.png
diff --git a/lib/matplotlib/tests/baseline_images/test_colorbar/double_cbar.png b/lib/matplotlib/tests/baseline_images/test_colorbar/double_cbar.png
diff --git a/lib/matplotlib/tests/baseline_images/test_colors/light_source_shading_topo.png b/lib/matplotlib/tests/baseline_images/test_colors/light_source_shading_topo.png
diff --git a/lib/matplotlib/tests/baseline_images/test_contour/contour_datetime_axis.png b/lib/matplotlib/tests/baseline_images/test_contour/contour_datetime_axis.png
diff --git a/...matplotlib/tests/baseline_images/test_contour/contour_disconnected_segments.png b/...matplotlib/tests/baseline_images/test_contour/contour_disconnected_segments.png
diff --git a/...matplotlib/tests/baseline_images/test_dates/DateFormatter_fractionalSeconds.png b/...matplotlib/tests/baseline_images/test_dates/DateFormatter_fractionalSeconds.png
diff --git a/lib/matplotlib/tests/baseline_images/test_dates/RRuleLocator_bounds.png b/lib/matplotlib/tests/baseline_images/test_dates/RRuleLocator_bounds.png
diff --git a/lib/matplotlib/tests/baseline_images/test_dates/date_axvline.png b/lib/matplotlib/tests/baseline_images/test_dates/date_axvline.png
diff --git a/lib/matplotlib/tests/baseline_images/test_dates/date_axvspan.png b/lib/matplotlib/tests/baseline_images/test_dates/date_axvspan.png
diff --git a/lib/matplotlib/tests/baseline_images/test_figure/figure_align_labels.png b/lib/matplotlib/tests/baseline_images/test_figure/figure_align_labels.png
diff --git a/...atplotlib/tests/baseline_images/test_figure/figure_align_titles_constrained.png b/...atplotlib/tests/baseline_images/test_figure/figure_align_titles_constrained.png
diff --git a/lib/matplotlib/tests/baseline_images/test_figure/figure_align_titles_tight.png b/lib/matplotlib/tests/baseline_images/test_figure/figure_align_titles_tight.png
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diff --git a/lib/matplotlib/tests/baseline_images/test_image/downsampling.png b/lib/matplotlib/tests/baseline_images/test_image/downsampling.png
diff --git a/lib/matplotlib/tests/baseline_images/test_image/image_composite_alpha.pdf b/lib/matplotlib/tests/baseline_images/test_image/image_composite_alpha.pdf
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diff --git a/lib/matplotlib/tests/baseline_images/test_image/imshow_masked_interpolation.pdf b/lib/matplotlib/tests/baseline_images/test_image/imshow_masked_interpolation.pdf
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diff --git a/lib/matplotlib/tests/baseline_images/test_image/interp_alpha.png b/lib/matplotlib/tests/baseline_images/test_image/interp_alpha.png
diff --git a/lib/matplotlib/tests/baseline_images/test_image/log_scale_image.pdf b/lib/matplotlib/tests/baseline_images/test_image/log_scale_image.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_image/log_scale_image.png b/lib/matplotlib/tests/baseline_images/test_image/log_scale_image.png
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diff --git a/lib/matplotlib/tests/baseline_images/test_image/rgba_antialias.png b/lib/matplotlib/tests/baseline_images/test_image/rgba_antialias.png
diff --git a/lib/matplotlib/tests/baseline_images/test_image/upsampling.png b/lib/matplotlib/tests/baseline_images/test_image/upsampling.png
diff --git a/...lib/tests/baseline_images/test_multivariate_colormaps/bivariate_cmap_shapes.png b/...lib/tests/baseline_images/test_multivariate_colormaps/bivariate_cmap_shapes.png
diff --git a/lib/matplotlib/tests/baseline_images/test_patheffects/patheffect1.pdf b/lib/matplotlib/tests/baseline_images/test_patheffects/patheffect1.pdf
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