Fix PNG reading of palettized images.

mdboom · mdboom · commit 48c31f7ff660 · 2012-04-23T17:33:26.000-04:00
diff --git a/src/_png.cpp b/src/_png.cpp
@@ -418,6 +418,7 @@ _png_module::_read_png(const Py::Object& py_fileobj, const bool float_result)
     if (png_get_color_type(png_ptr, info_ptr) == PNG_COLOR_TYPE_PALETTE)
     {
         png_set_palette_to_rgb(png_ptr);
+        bit_depth = 8;
     }
 
     // If there's an alpha channel convert gray to RGB

Original file line number	Diff line number	Diff line change
`@@ -418,6 +418,7 @@ _png_module::_read_png(const Py::Object& py_fileobj, const bool float_result)`
`418`	`418`	`if (png_get_color_type(png_ptr, info_ptr) == PNG_COLOR_TYPE_PALETTE)`
`419`	`419`	`{`
`420`	`420`	`png_set_palette_to_rgb(png_ptr);`
	`421`	`+ bit_depth = 8;`
`421`	`422`	`}`
`422`	`423`
`423`	`424`	`// If there's an alpha channel convert gray to RGB`