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add dither control #25

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add dither control #25

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2 changes: 1 addition & 1 deletion rct-graphics-helper/magick_command.py
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,7 @@ def write_to_cache(self, id, delete_previous=False, next_file=""):

# Quantizes the image using a palette
def quantize(self, palette, amount):
self.full_command += " -dither FloydSteinberg -define dither:diffusion-amount=" + str(amount) + "% -remap " + \
self.full_command += " -dither FloydSteinberg "+(amount and " -define dither:diffusion-amount=" + str(amount) + "% -remap " or " ") + \
self.__stringify_input(palette) + " -colorspace sRGB"

# Trims the image to the smallest possible size and outputs the offset difference
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3 changes: 3 additions & 0 deletions rct-graphics-helper/operators/render_operator.py
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Expand Up @@ -78,6 +78,9 @@ def finish():
render_task_processor = RenderTaskProcessor(
context, self.palette_manager)


render_task_processor.renderer.set_dither(general_props.dithering_strength)

task = self.create_task(context)

render_task_processor.process(task, finish)
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8 changes: 8 additions & 0 deletions rct-graphics-helper/properties/general_properties.py
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Expand Up @@ -94,6 +94,14 @@ class GeneralProperties(bpy.types.PropertyGroup):
description="Which color groups to dither to. Recolorables will be excluded from this palette when used to avoid conflicts.",
size=len(defaults))

dithering_strength = bpy.props.IntProperty(
name = "Dithering Strength",
description = "Floyd-Steinberg error diffusion",
default = 35,
min = 1,
max = 100
)

render_mode = bpy.props.EnumProperty(
name="Render Mode",
items=(
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3 changes: 3 additions & 0 deletions rct-graphics-helper/rct_graphics_helper_panel.py
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Expand Up @@ -82,6 +82,9 @@ def draw(self, context):
row = layout.row()
row.separator()

row = layout.row()
row.prop(properties,"dithering_strength")

row = layout.row()
row.label("Dither Palette:")

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5 changes: 4 additions & 1 deletion rct-graphics-helper/renderer.py
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Expand Up @@ -38,7 +38,7 @@ def __init__(self, context, palette_manager):
self.context = context

self.magick_path = "magick"
self.floyd_steinberg_diffusion = 5
self.floyd_steinberg_diffusion = 35

self.palette_manager = palette_manager

Expand All @@ -63,6 +63,9 @@ def __init__(self, context, palette_manager):
bpy.app.handlers.render_complete.append(self._render_finished)
bpy.app.handlers.render_cancel.append(self._render_reset)

def set_dither(self, percent):
self.floyd_steinberg_diffusion = percent

# Render out the current scene
def render(self, output_still, callback):
self.render_finished_callback = callback
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