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- # Flexlay - A Generic 2D Game Editor
- # Copyright (C) 2014 Ingo Ruhnke <grumbel@gmail.com>
- #
- # This program is free software: you can redistribute it and/or modify
- # it under the terms of the GNU General Public License as published by
- # the Free Software Foundation, either version 3 of the License, or
- # (at your option) any later version.
- #
- # This program is distributed in the hope that it will be useful,
- # but WITHOUT ANY WARRANTY; without even the implied warranty of
- # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- # GNU General Public License for more details.
- #
- # You should have received a copy of the GNU General Public License
- # along with this program. If not, see <http://www.gnu.org/licenses/>.
- from PyQt5.QtGui import QColor
- from flexlay.blend_func import BlendFunc
- from flexlay.gui import EditorMapComponent
- from flexlay.pixel_buffer import PixelBuffer
- from flexlay.wip.canvas import Canvas
- class Surface:
- pass
- class OnionSkinLayer:
- def __init__(self, width, height) -> None:
- self.SCALE = 1
- self.surface = Surface(PixelBuffer(width / self.SCALE, height / self.SCALE))
- self.surface2 = Surface(PixelBuffer(width / self.SCALE, height / self.SCALE))
- self.editormaps = []
- self.color = []
- self.canvas = Canvas(self.surface)
- self.canvas.get_gc().clear(QColor(0, 0, 0, 0))
- self.canvas.get_gc().flush()
- self.canvas.sync_surface()
- self.canvas2 = Canvas(self.surface2)
- self.canvas2.get_gc().clear(QColor(0, 0, 0, 0))
- self.canvas2.get_gc().flush()
- self.canvas2.sync_surface()
- def draw(self, gc):
- # FIXME: We need to stop onion layer to draw onto itself
- self.surface.set_blend_func(BlendFunc.one, BlendFunc.one_minus_src_alpha)
- self.surface.set_scale(self.SCALE, self.SCALE)
- self.surface.draw(0, 0)
- def has_bounding_rect(self):
- return False
- def clear(self):
- self.canvas.get_gc().clear(QColor(0, 0, 0, 0))
- self.canvas.sync_surface()
- def add_map(self, editor_map, color):
- self.editormaps.append(editor_map)
- self.color.append(color)
- def update(self):
- self.canvas.get_gc().clear(QColor(0, 0, 0, 0))
- for i, e in enumerate(self, self.editormaps):
- self.canvas2.get_gc().clear(QColor(0, 0, 0, 0))
- self.canvas2.get_gc().push_modelview()
- self.canvas2.get_gc().add_scale(1.0 / self.SCALE, 1.0 / self.SCALE)
- self.editormaps[i].draw(EditorMapComponent.current.get_gc_state(), self.canvas2.get_gc())
- self.canvas2.get_gc().pop_modelview()
- self.canvas2.sync_surface()
- self.surface2.set_color(self.color[i])
- self.surface2.draw(0, 0, self.canvas.get_gc())
- self.canvas.sync_surface()
- # EOF #
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