def present(self, tex):
""" "Presents" a given texture and shows the window """
self._current_tex = tex
self.set_title(tex.get_name())
# Remove old content
self._content_node.node().remove_all_children()
w, h = tex.get_x_size(), tex.get_y_size()
if h > 1:
scale_x = (self._width - 40.0) / w
scale_y = (self._height - 110.0) / h
scale_f = min(scale_x, scale_y)
display_w = scale_f * w
display_h = scale_f * h
else:
display_w = self._width - 40
display_h = self._height - 110
image = BetterOnscreenImage(image=tex, parent=self._content_node, x=20,
y=90, w=display_w, h=display_h,
any_filter=False, transparent=False)
description = ""
# Image size
description += "{:d} x {:d} x {:d}".format(tex.get_x_size(),
tex.get_y_size(),
tex.get_z_size())
# Image type
description += ", {:s}, {:s}".format(
Texture.format_format(tex.get_format()).upper(),
Texture.format_component_type(tex.get_component_type()).upper())
BetterOnscreenText(text=description,
parent=self._content_node,
x=20, y=70, size=18,
color=Vec3(0.6, 0.6, 0.6))
estimated_bytes = tex.estimate_texture_memory()
size_desc = "Estimated memory: {:2.2f} MB".format(
estimated_bytes / (1024.0 ** 2))
BetterOnscreenText(text=size_desc, parent=self._content_node,
x=self._width - 20.0, y=70, size=18,
color=Vec3(0.34, 0.564, 0.192),
align="right")
if tex.uses_mipmaps():
# Create mip slider
max_mips = tex.get_expected_num_mipmap_levels() - 1
self._mip_slider = BetterSlider(parent=self._content_node,
size=200, min_value=0,
max_value=max_mips,
callback=self._set_mip, x=850,
y=63, value=0)
self._mip_text = BetterOnscreenText(text="Mipmap: 5",
parent=self._content_node,
x=1080, y=70, size=18,
color=Vec3(0.6, 0.6, 0.6),
may_change=1)
if tex.get_z_size() > 1:
# Create slice slider
self._slice_slider = BetterSlider(parent=self._content_node,
size=250, min_value=0,
max_value=tex.get_z_size() - 1,
callback=self._set_slice, x=450,
y=63, value=0)
self._slice_text = BetterOnscreenText(text="Slice: 5",
parent=self._content_node,
x=710, y=70, size=18,
color=Vec3(0.6, 0.6, 0.6),
may_change=1)
image.set_shader_input("slice", 0)
image.set_shader_input("mipmap", 0)
preview_shader = DisplayShaderBuilder.build(tex, display_w, display_h)
image.set_shader(preview_shader)
self._preview_image = image
self.show()
