2019-09-01 10:34:00 -04:00
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#!/usr/bin/env python3
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#
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2019-09-09 06:46:52 -04:00
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# ToolLine.py
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2019-09-04 10:23:59 -04:00
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# Copyright (c) 2018, 2019 Lucio Andrés Illanes Albornoz <lucio@lucioillanes.de>
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2019-09-01 10:34:00 -04:00
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#
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2019-09-03 12:58:50 -04:00
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from Tool import Tool
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2019-09-01 10:34:00 -04:00
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2019-09-03 12:58:50 -04:00
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class ToolLine(Tool):
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name = "Line"
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TS_NONE = 0
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TS_ORIGIN = 1
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libgui/GuiCanvasInterface.py:canvasTool(): call applyTool() w/ new tool post-selection.
libgui/GuiCanvasPanel.py:{applyTool,onPanelInput}(): split from onPanelInput().
libtools/Tool{,Circle,Fill,Line,Rect,Select,Text}.py:on{Keyboard,Mouse}Event(): updated.
libtools/ToolFill.py:onMouseEvent(): display cursor.
libtools/ToolSelect{,Clone,Move}.py:onSelectEvent(): updated.
2019-09-09 12:18:54 -04:00
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# {{{ _getLine(self, brushColours, brushSize, dispatchFn, eventDc, isCursor, originPoint, targetPoint, viewRect)
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def _getLine(self, brushColours, brushSize, dispatchFn, eventDc, isCursor, originPoint, targetPoint, viewRect):
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libcanvas/Canvas.py:dispatchPatchSingle(): cloned from dispatchPatch().
lib{canvas/Canvas{,Journal},gui/GuiCanvasPanel}.py: replace dirtyJournal & pushDeltas() w/ explicit {begin,end}().
libgui/GuiCanvasPanel.py:applyTool(): updated.
libgui/GuiCanvasPanel.py:dispatchPatchSingle(): cloned from dispatchPatch().
libtools/Tool{,Circle,Fill,Line,Rect,Select{,Clone,Move},Text}.py:on{Mouse,Keyboard}Event(): return rc, dirty.
libtools/ToolSelect{Clone,Move}.py:onSelectEvent(): return rc, dirty.
2019-09-09 12:43:33 -04:00
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dirty = False
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originPoint, targetPoint = originPoint.copy(), targetPoint.copy()
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pointDelta = self._pointDelta(originPoint, targetPoint)
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lineXSign = 1 if pointDelta[0] > 0 else -1; lineYSign = 1 if pointDelta[1] > 0 else -1;
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pointDelta = [abs(a) for a in pointDelta]
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if pointDelta[0] > pointDelta[1]:
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lineXX, lineXY, lineYX, lineYY = lineXSign, 0, 0, lineYSign
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else:
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lineXX, lineXY, lineYX, lineYY = 0, lineYSign, lineXSign, 0
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pointDelta = [pointDelta[1], pointDelta[0]]
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lineD = 2 * pointDelta[1] - pointDelta[0]; lineY = 0;
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for lineX in range(pointDelta[0] + 1):
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for brushStep in range(brushSize[0]):
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patch = [ \
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originPoint[0] + lineX * lineXX + lineY * lineYX + brushStep, \
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originPoint[1] + lineX * lineXY + lineY * lineYY, \
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*brushColours, 0, " "]
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if isCursor:
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Initial canvas panel scrollbar implementation.
assets/text/TODO: updated.
libgui/GuiCanvasPanel.py:__init__(): provide self.winSize & call SetScrollRate().
libgui/GuiCanvasPanel.py:{_drawPatch,dispatch{DeltaPatches,Patch},onPanel{Input,LeaveWindow},resize,update}(): receive and/or pass viewRect.
libgui/GuiCanvasPanel.py:onPanelPaint(): updated.
libgui/GuiCanvasPanel.py:resize(): call SetVirtualSize().
libgui/GuiCanvasWxBackend.py:_{draw{Brush,Char}Patch,_get{Brush,Char}PatchColours,xlatePoint}(): updated.
libgui/GuiCanvasWxBackend.py:{draw{CursorMaskWithJournal,Patch},getDeviceContext,xlateEventPoint}(): receive and/or pass viewRect.
libgui/GuiCanvasWxBackend.py:getDeviceContext(): return ClientDC() if viewRect > (0, 0)
libgui/GuiCanvasWxBackend.py:onPanelPaintEvent(): blit subset of canvasBitmap into BufferedPaintDC() if viewRect > (0, 0).
libtools/Tool{,Circle,Fill,Line,Rect,Select{,Clone,Move},Text}.py: receive & pass viewRect to dispatchFn().
2019-09-09 06:30:25 -04:00
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dispatchFn(eventDc, False, patch, viewRect); dispatchFn(eventDc, True, patch, viewRect);
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else:
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libcanvas/Canvas.py:dispatchPatchSingle(): cloned from dispatchPatch().
lib{canvas/Canvas{,Journal},gui/GuiCanvasPanel}.py: replace dirtyJournal & pushDeltas() w/ explicit {begin,end}().
libgui/GuiCanvasPanel.py:applyTool(): updated.
libgui/GuiCanvasPanel.py:dispatchPatchSingle(): cloned from dispatchPatch().
libtools/Tool{,Circle,Fill,Line,Rect,Select{,Clone,Move},Text}.py:on{Mouse,Keyboard}Event(): return rc, dirty.
libtools/ToolSelect{Clone,Move}.py:onSelectEvent(): return rc, dirty.
2019-09-09 12:43:33 -04:00
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if not dirty:
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dirty = True
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Initial canvas panel scrollbar implementation.
assets/text/TODO: updated.
libgui/GuiCanvasPanel.py:__init__(): provide self.winSize & call SetScrollRate().
libgui/GuiCanvasPanel.py:{_drawPatch,dispatch{DeltaPatches,Patch},onPanel{Input,LeaveWindow},resize,update}(): receive and/or pass viewRect.
libgui/GuiCanvasPanel.py:onPanelPaint(): updated.
libgui/GuiCanvasPanel.py:resize(): call SetVirtualSize().
libgui/GuiCanvasWxBackend.py:_{draw{Brush,Char}Patch,_get{Brush,Char}PatchColours,xlatePoint}(): updated.
libgui/GuiCanvasWxBackend.py:{draw{CursorMaskWithJournal,Patch},getDeviceContext,xlateEventPoint}(): receive and/or pass viewRect.
libgui/GuiCanvasWxBackend.py:getDeviceContext(): return ClientDC() if viewRect > (0, 0)
libgui/GuiCanvasWxBackend.py:onPanelPaintEvent(): blit subset of canvasBitmap into BufferedPaintDC() if viewRect > (0, 0).
libtools/Tool{,Circle,Fill,Line,Rect,Select{,Clone,Move},Text}.py: receive & pass viewRect to dispatchFn().
2019-09-09 06:30:25 -04:00
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dispatchFn(eventDc, True, patch, viewRect)
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if lineD > 0:
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lineD -= pointDelta[0]; lineY += 1;
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lineD += pointDelta[1]
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libcanvas/Canvas.py:dispatchPatchSingle(): cloned from dispatchPatch().
lib{canvas/Canvas{,Journal},gui/GuiCanvasPanel}.py: replace dirtyJournal & pushDeltas() w/ explicit {begin,end}().
libgui/GuiCanvasPanel.py:applyTool(): updated.
libgui/GuiCanvasPanel.py:dispatchPatchSingle(): cloned from dispatchPatch().
libtools/Tool{,Circle,Fill,Line,Rect,Select{,Clone,Move},Text}.py:on{Mouse,Keyboard}Event(): return rc, dirty.
libtools/ToolSelect{Clone,Move}.py:onSelectEvent(): return rc, dirty.
2019-09-09 12:43:33 -04:00
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return dirty
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# }}}
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# {{{ _pointDelta(self, a, b)
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def _pointDelta(self, a, b):
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return [a2 - a1 for a1, a2 in zip(a, b)]
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# }}}
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# {{{ _pointSwap(self, a, b)
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def _pointSwap(self, a, b):
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return [b, a]
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# }}}
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2019-09-01 10:34:00 -04:00
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#
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libgui/GuiCanvasInterface.py:canvasTool(): call applyTool() w/ new tool post-selection.
libgui/GuiCanvasPanel.py:{applyTool,onPanelInput}(): split from onPanelInput().
libtools/Tool{,Circle,Fill,Line,Rect,Select,Text}.py:on{Keyboard,Mouse}Event(): updated.
libtools/ToolFill.py:onMouseEvent(): display cursor.
libtools/ToolSelect{,Clone,Move}.py:onSelectEvent(): updated.
2019-09-09 12:18:54 -04:00
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# onMouseEvent(self, brushColours, brushSize, dispatchFn, eventDc, mapPoint, mouseDragging, mouseLeftDown, mouseRightDown, viewRect)
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def onMouseEvent(self, brushColours, brushSize, dispatchFn, eventDc, mapPoint, mouseDragging, mouseLeftDown, mouseRightDown, viewRect):
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libcanvas/Canvas.py:dispatchPatchSingle(): cloned from dispatchPatch().
lib{canvas/Canvas{,Journal},gui/GuiCanvasPanel}.py: replace dirtyJournal & pushDeltas() w/ explicit {begin,end}().
libgui/GuiCanvasPanel.py:applyTool(): updated.
libgui/GuiCanvasPanel.py:dispatchPatchSingle(): cloned from dispatchPatch().
libtools/Tool{,Circle,Fill,Line,Rect,Select{,Clone,Move},Text}.py:on{Mouse,Keyboard}Event(): return rc, dirty.
libtools/ToolSelect{Clone,Move}.py:onSelectEvent(): return rc, dirty.
2019-09-09 12:43:33 -04:00
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brushColours, dirty = brushColours.copy(), False
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libgui/GuiCanvasInterface.py:canvasTool(): call applyTool() w/ new tool post-selection.
libgui/GuiCanvasPanel.py:{applyTool,onPanelInput}(): split from onPanelInput().
libtools/Tool{,Circle,Fill,Line,Rect,Select,Text}.py:on{Keyboard,Mouse}Event(): updated.
libtools/ToolFill.py:onMouseEvent(): display cursor.
libtools/ToolSelect{,Clone,Move}.py:onSelectEvent(): updated.
2019-09-09 12:18:54 -04:00
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if mouseLeftDown:
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brushColours[1] = brushColours[0]
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libgui/GuiCanvasInterface.py:canvasTool(): call applyTool() w/ new tool post-selection.
libgui/GuiCanvasPanel.py:{applyTool,onPanelInput}(): split from onPanelInput().
libtools/Tool{,Circle,Fill,Line,Rect,Select,Text}.py:on{Keyboard,Mouse}Event(): updated.
libtools/ToolFill.py:onMouseEvent(): display cursor.
libtools/ToolSelect{,Clone,Move}.py:onSelectEvent(): updated.
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elif mouseRightDown:
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brushColours[0] = brushColours[1]
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else:
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brushColours[1] = brushColours[0]
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if self.toolState == self.TS_NONE:
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libgui/GuiCanvasInterface.py:canvasTool(): call applyTool() w/ new tool post-selection.
libgui/GuiCanvasPanel.py:{applyTool,onPanelInput}(): split from onPanelInput().
libtools/Tool{,Circle,Fill,Line,Rect,Select,Text}.py:on{Keyboard,Mouse}Event(): updated.
libtools/ToolFill.py:onMouseEvent(): display cursor.
libtools/ToolSelect{,Clone,Move}.py:onSelectEvent(): updated.
2019-09-09 12:18:54 -04:00
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if mouseLeftDown or mouseRightDown:
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self.toolColours, self.toolOriginPoint, self.toolState = brushColours, list(mapPoint), self.TS_ORIGIN
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dispatchFn(eventDc, True, [*mapPoint, *brushColours, 0, " "], viewRect)
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elif self.toolState == self.TS_ORIGIN:
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libgui/GuiCanvasInterface.py:canvasTool(): call applyTool() w/ new tool post-selection.
libgui/GuiCanvasPanel.py:{applyTool,onPanelInput}(): split from onPanelInput().
libtools/Tool{,Circle,Fill,Line,Rect,Select,Text}.py:on{Keyboard,Mouse}Event(): updated.
libtools/ToolFill.py:onMouseEvent(): display cursor.
libtools/ToolSelect{,Clone,Move}.py:onSelectEvent(): updated.
2019-09-09 12:18:54 -04:00
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originPoint, targetPoint = self.toolOriginPoint, list(mapPoint)
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libcanvas/Canvas.py:dispatchPatchSingle(): cloned from dispatchPatch().
lib{canvas/Canvas{,Journal},gui/GuiCanvasPanel}.py: replace dirtyJournal & pushDeltas() w/ explicit {begin,end}().
libgui/GuiCanvasPanel.py:applyTool(): updated.
libgui/GuiCanvasPanel.py:dispatchPatchSingle(): cloned from dispatchPatch().
libtools/Tool{,Circle,Fill,Line,Rect,Select{,Clone,Move},Text}.py:on{Mouse,Keyboard}Event(): return rc, dirty.
libtools/ToolSelect{Clone,Move}.py:onSelectEvent(): return rc, dirty.
2019-09-09 12:43:33 -04:00
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dirty = self._getLine(self.toolColours, brushSize, dispatchFn, eventDc, mouseLeftDown or mouseRightDown, originPoint, targetPoint, viewRect)
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libgui/GuiCanvasInterface.py:canvasTool(): call applyTool() w/ new tool post-selection.
libgui/GuiCanvasPanel.py:{applyTool,onPanelInput}(): split from onPanelInput().
libtools/Tool{,Circle,Fill,Line,Rect,Select,Text}.py:on{Keyboard,Mouse}Event(): updated.
libtools/ToolFill.py:onMouseEvent(): display cursor.
libtools/ToolSelect{,Clone,Move}.py:onSelectEvent(): updated.
2019-09-09 12:18:54 -04:00
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if mouseLeftDown or mouseRightDown:
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self.toolColours, self.toolOriginPoint, self.toolState = None, None, self.TS_NONE
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libgui/GuiCanvasInterface.py:canvasTool(): call applyTool() w/ new tool post-selection.
libgui/GuiCanvasPanel.py:{applyTool,onPanelInput}(): split from onPanelInput().
libtools/Tool{,Circle,Fill,Line,Rect,Select,Text}.py:on{Keyboard,Mouse}Event(): updated.
libtools/ToolFill.py:onMouseEvent(): display cursor.
libtools/ToolSelect{,Clone,Move}.py:onSelectEvent(): updated.
2019-09-09 12:18:54 -04:00
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else:
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libcanvas/Canvas.py:dispatchPatchSingle(): cloned from dispatchPatch().
lib{canvas/Canvas{,Journal},gui/GuiCanvasPanel}.py: replace dirtyJournal & pushDeltas() w/ explicit {begin,end}().
libgui/GuiCanvasPanel.py:applyTool(): updated.
libgui/GuiCanvasPanel.py:dispatchPatchSingle(): cloned from dispatchPatch().
libtools/Tool{,Circle,Fill,Line,Rect,Select{,Clone,Move},Text}.py:on{Mouse,Keyboard}Event(): return rc, dirty.
libtools/ToolSelect{Clone,Move}.py:onSelectEvent(): return rc, dirty.
2019-09-09 12:43:33 -04:00
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return False, dirty
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return True, dirty
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# __init__(self, *args): initialisation method
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def __init__(self, *args):
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super().__init__(*args)
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self.toolColours, self.toolOriginPoint, self.toolState = None, None, self.TS_NONE
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# vim:expandtab foldmethod=marker sw=4 ts=4 tw=120
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