def rotateHue(self, tex, value=0.1):
'''
'''
img = PNMImage()
tex.store(img)
for y in range(img.getReadYSize()):
for x in range(img.getReadXSize()):
r, g, b = img.getXel(x, y)
h, s, v = colorsys.rgb_to_hsv(r, g, b)
h += value
if h < 0:
h += 360
r, g, b = colorsys.hsv_to_rgb(h, s, v)
img.setXel(x, y, r, g, b)
tex.load(img)
def draw_map(self, heightmap, height_modifier):
"""Draws the heightmap in the image
The range of values is assumed to be 0.0 to 1.0 in a 2D, square array.
The range is converted to grayscale values of 0 to 255.
A heightmap modifier is added to boost height differences.
"""
# get size
size = (len(heightmap), len(heightmap[0]))
# create image
hmap = PNMImage(size[0], size[1])
# draw map
for y in range(size[0]):
for x in range(size[1]):
h = (heightmap[x][y]) * height_modifier
try:
hmap.setXel(x, y, h)
except:
print "Error on x,y: ", str((x, y)), "; map --> 0-255 value: ", str((heightmap[x][y], h))
return hmap
class TexturePainter(DirectObject):
def __init__(self):
self.editTexture = None
self.editModel = None
self.texturePainterStatus = TEXTURE_PAINTER_STATUS_DISABLED
self.paintColor = VBase4D(1,1,1,1)
self.paintSize = 10
self.paintEffect = PNMBrush.BEBlend
self.paintSmooth = True
self.paintMode = TEXTUREPAINTER_FUNCTION_PAINT_POINT
self.painter = None
# --- creation and destroying of the whole editor ---
def enableEditor(self):
''' create the editor
change from disabled to enabled'''
if self.texturePainterStatus == TEXTURE_PAINTER_STATUS_DISABLED:
self.texturePainterStatus = TEXTURE_PAINTER_STATUS_ENABLED
self.__enableEditor()
else:
print "E: TexturePainter.enableEditor: not disabled", self.texturePainterStatus
def disableEditor(self):
''' destroy the editor, automatically stop the editor and painting
change from enabled to disabled'''
# try stopping if more advanced mode
#if self.texturePainterStatus == TEXTURE_PAINTER_STATUS_INITIALIZED:
# self.stopEditor()
if self.texturePainterStatus == TEXTURE_PAINTER_STATUS_ENABLED:
self.texturePainterStatus = TEXTURE_PAINTER_STATUS_DISABLED
self.__disableEditor()
else:
print "E: TexturePainter.disableEditor: not enabled", self.texturePainterStatus
# ---
def startEditor(self, editModel, editTexture, backgroundShader=MODEL_COLOR_SHADER):
''' prepare to paint
change from enabled to initialized'''
if self.texturePainterStatus == TEXTURE_PAINTER_STATUS_ENABLED:
self.texturePainterStatus = TEXTURE_PAINTER_STATUS_INITIALIZED
self.__startEditor(editModel, editTexture, backgroundShader)
else:
print "E: TexturePainter.startEditor: not enabled", self.texturePainterStatus
def stopEditor(self):
''' stop painting, automatically stop painting
change from initialized to enabled'''
#if self.texturePainterStatus == TEXTURE_PAINTER_STATUS_INITIALIZED:
# self.stopPaint()
if self.texturePainterStatus == TEXTURE_PAINTER_STATUS_INITIALIZED:
self.texturePainterStatus = TEXTURE_PAINTER_STATUS_ENABLED
return self.__stopEditor()
else:
print "E: TexturePainter.startEditor: not initialized", self.texturePainterStatus
""" # this is not externally callable
# ---
def startPaint(self):
''' start painting on the model
change from initialized to running '''
if self.texturePainterStatus == TEXTURE_PAINTER_STATUS_INITIALIZED:
self.texturePainterStatus = TEXTURE_PAINTER_STATUS_RUNNING
self.__startPaint()
else:
print "E: TexturePainter.startPaint: not enabled", self.texturePainterStatus"""
def stopPaint(self):
''' stop painting
change from running to initialized '''
if self.texturePainterStatus == TEXTURE_PAINTER_STATUS_RUNNING:
self.texturePainterStatus = TEXTURE_PAINTER_STATUS_INITIALIZED
self.__stopPaint()
else:
print "E: TexturePainter.stopPaint: not running", self.texturePainterStatus
# --- brush settings for painting ---
''' changing brush settings is possible all the time '''
def setBrushSettings(self, color, size, smooth, effect):
#print "I: TexturePainter.setBrushSettings", color, size, smooth, effect
self.paintColor = color
self.paintSize = size
self.paintEffect = effect
self.paintSmooth = smooth
if effect in [PNMBrush.BESet, PNMBrush.BEBlend, PNMBrush.BEDarken, PNMBrush.BELighten]:
self.brush = PNMBrush.makeSpot(color, size, smooth, effect)
#if self.paintModel:
if self.painter:
self.painter.setPen(self.brush)
def getBrushSettings(self):
return self.paintColor,self.paintSize,self.paintSmooth,self.paintEffect
def setPaintMode(self, newMode):
self.paintMode = newMode
# clear last point if mode changed
if newMode == TEXTUREPAINTER_FUNCTION_PAINT_POINT or \
newMode == TEXTUREPAINTER_FUNCTION_READ:
self.lastPoint = None
def getPaintMode(self):
return self.paintMode
def __enableEditor(self):
''' create the background rendering etc., but the model is not yet defined '''
print "I: TexturePainter.__enableEditor"
# the buffer the model with the color texture is rendered into
self.modelColorBuffer = None
self.modelColorCam = None
# the buffer the picked position color is rendered into
self.colorPickerBuffer = None
self.colorPickerCam = None
# create the buffers
self.__createBuffer()
# when the window is resized, the background buffer etc must be updated.
self.accept("window-event", self.__windowEvent)
# some debugging stuff
self.accept("v", base.bufferViewer.toggleEnable)
self.accept("V", base.bufferViewer.toggleEnable)
def __disableEditor(self):
print "I: TexturePainter.__disableEditor"
self.__destroyBuffer()
# ignore window-event and debug
self.ignoreAll()
def __windowEvent(self, win=None):
''' when the editor is enabled, update the buffers etc. when the window
is resized '''
print "I: TexturePainter.windowEvent"
# with a fixed backgroudn buffer size this is not needed anymore
if False:
#if self.texturePainterStatus != TEXTURE_PAINTER_STATUS_DISABLED:
if self.modelColorBuffer:
if WindowManager.activeWindow:
# on window resize there seems to be never a active window
win = WindowManager.activeWindow.win
else:
win = base.win
if self.modelColorBuffer.getXSize() != win.getXSize() or self.modelColorBuffer.getYSize() != win.getYSize():
'''print " - window resized",\
self.modelColorBuffer.getXSize(),\
win.getXSize(),\
self.modelColorBuffer.getYSize(),\
win.getYSize()'''
# if the buffer size doesnt match the window size (window has been resized)
self.__destroyBuffer()
self.__createBuffer()
self.__updateModel()
else:
print "W: TexturePainter.__windowEvent: no buffer"
self.__createBuffer()
def __createBuffer(self):
''' create the buffer we render in the background into '''
print "I: TexturePainter.__createBuffer"
# the window has been modified
if WindowManager.activeWindow:
# on window resize there seems to be never a active window
win = WindowManager.activeWindow.win
else:
win = base.win
# get the window size
self.windowSizeX = win.getXSize()
self.windowSizeY = win.getYSize()
# create a buffer in which we render the model using a shader
self.paintMap = Texture()
# 1.5.4 cant handle non power of 2 buffers
self.modelColorBuffer = createOffscreenBuffer(-3, TEXTUREPAINTER_BACKGROUND_BUFFER_RENDERSIZE[0], TEXTUREPAINTER_BACKGROUND_BUFFER_RENDERSIZE[1]) #self.windowSizeX, self.windowSizeY)
self.modelColorBuffer.addRenderTexture(self.paintMap, GraphicsOutput.RTMBindOrCopy, GraphicsOutput.RTPColor)
self.modelColorCam = base.makeCamera(self.modelColorBuffer, lens=base.cam.node().getLens(), sort=1)
# Create a small buffer for the shader program that will fetch the point from the texture made
# by the self.modelColorBuffer
self.colorPickerImage = PNMImage()
self.colorPickerTex = Texture()
self.colorPickerBuffer = base.win.makeTextureBuffer("color picker buffer", 2, 2, self.colorPickerTex, True)
self.colorPickerScene = NodePath('color picker scene')
self.colorPickerCam = base.makeCamera(self.colorPickerBuffer, lens=base.cam.node().getLens(), sort=2)
self.colorPickerCam.reparentTo(self.colorPickerScene)
self.colorPickerCam.setY(-2)
cm = CardMaker('color picker scene card')
cm.setFrameFullscreenQuad()
pickerCard = self.colorPickerScene.attachNewNode(cm.generate())
loadPicker = NodePath(PandaNode('pointnode'))
loadPicker.setShader(Shader.make(COLOR_PICKER_SHADER), 10001)
# Feed the paintmap from the paintBuffer to the shader and initial mouse positions
self.colorPickerScene.setShaderInput('paintmap', self.paintMap)
self.colorPickerScene.setShaderInput('mousepos', 0, 0, 0, 1)
self.colorPickerCam.node().setInitialState(loadPicker.getState())
def __destroyBuffer(self):
print "I: TexturePainter.__destroyBuffer"
if self.modelColorBuffer:
# Destroy the buffer
base.graphicsEngine.removeWindow(self.modelColorBuffer)
self.modelColorBuffer = None
# Remove the camera
self.modelColorCam.removeNode()
del self.modelColorCam
self.colorPickerScene.removeNode()
del self.colorPickerScene
# remove cam
self.colorPickerCam.removeNode()
del self.colorPickerCam
# Destroy the buffer
base.graphicsEngine.removeWindow(self.colorPickerBuffer)
self.colorPickerBuffer = None
del self.colorPickerTex
del self.colorPickerImage
def __startEditor(self, editModel, editTexture, backgroundShader=MODEL_COLOR_SHADER):
print "I: TexturePainter.__startEditor"
# this is needed as on startup the editor may not have had a window etc.
self.__windowEvent()
if not editModel or not editTexture:
print "W: TexturePainter.__startEditor: model or texture invalid", editModel, editTexture
return False
self.editModel = editModel
self.editTexture = editTexture
self.editImage = None
self.backgroundShader = backgroundShader
if type(self.editTexture) == Texture:
# if the image to modify is a texture, create a pnmImage which we modify
self.editImage = PNMImage()
# copy the image from the texture to the working layer
self.editTexture.store(self.editImage)
else:
self.editImage = self.editTexture
# create the brush for painting
self.painter = PNMPainter(self.editImage)
self.setBrushSettings( *self.getBrushSettings() )
self.__updateModel()
# start edit
messenger.send(EVENT_TEXTUREPAINTER_STARTEDIT)
for startEvent in TEXTUREPAINTER_START_PAINT_EVENTS:
self.accept(startEvent, self.__startPaint)
for stopEvent in TEXTUREPAINTER_STOP_PAINT_EVENTS:
self.accept(stopEvent, self.__stopPaint)
self.modelColorCam.node().copyLens(WindowManager.activeWindow.camera.node().getLens())
taskMgr.add(self.__paintTask, 'paintTask')
#modelModificator.toggleEditmode(False)
self.isPainting = False
def __stopEditor(self):
print "I: TexturePainter.__stopEditor"
for startEvent in TEXTUREPAINTER_START_PAINT_EVENTS:
self.ignore(startEvent)
for stopEvent in TEXTUREPAINTER_STOP_PAINT_EVENTS:
self.ignore(stopEvent)
taskMgr.remove('paintTask')
# stop edit end
# must be reset before we loose the properties
if self.editModel and self.editTexture and self.editImage:
try:
# hide the model from cam 2
self.editModel.hide(BitMask32.bit(1))
self.editModel = None
except:
print "E: TexturePainter.__stopEditor: the model has already been deleted"
# stop edit
messenger.send(EVENT_TEXTUREPAINTER_STOPEDIT)
self.editImage = None
self.editTexture = None
self.painter = None
self.brush = None
#modelModificator.toggleEditmode(True)
def __updateModel(self):
if self.editModel:
# create a image with the same size of the texture
textureSize = (self.editTexture.getXSize(), self.editTexture.getYSize())
# create a dummy node, where we setup the parameters for the background rendering
loadPaintNode = NodePath(PandaNode('paintnode'))
loadPaintNode.setShader(Shader.make(self.backgroundShader), 10001)
loadPaintNode.setShaderInput('texsize', textureSize[0], textureSize[1], 0, 0)
# copy the state onto the camera
self.modelColorCam.node().setInitialState(loadPaintNode.getState())
# the camera gets a special bitmask, to show/hide models from it
self.modelColorCam.node().setCameraMask(BitMask32.bit(1))
if False:
# doesnt work, but would be nicer (not messing with the default render state)
hiddenNode = NodePath(PandaNode('hiddennode'))
hiddenNode.hide(BitMask32.bit(1))
showTroughNode = NodePath(PandaNode('showtroughnode'))
showTroughNode.showThrough(BitMask32.bit(1))
self.modelColorCam.node().setTagStateKey('show-on-backrender-cam')
self.modelColorCam.node().setTagState('False', hiddenNode.getState())
self.modelColorCam.node().setTagState('True', showTroughNode.getState())
render.setTag('show-on-backrender-cam', 'False')
self.editModel.setTag('show-on-backrender-cam', 'True')
else:
# make only the model visible to the background camera
render.hide(BitMask32.bit(1))
self.editModel.showThrough(BitMask32.bit(1))
# --- start the paint tasks ---
def __startPaint(self):
self.isPainting = True
def __stopPaint(self):
self.isPainting = False
# --- modification tasks ---
def __textureUpdateTask(self, task=None):
''' modify the texture using the edited image
'''
if type(self.editTexture) == Texture:
self.editTexture.load(self.editImage)
if task: # task may be None
return task.again
def __paintTask(self, task):
#print "I: TexturePainter.__paintTask:"
if not WindowManager.activeWindow or not WindowManager.activeWindow.mouseWatcherNode.hasMouse():
'''print " - abort:", WindowManager.activeWindow
if WindowManager.activeWindow:
print " - mouse:", WindowManager.activeWindow.mouseWatcherNode.hasMouse()'''
return task.cont
# update the camera according to the active camera
#self.modelColorCam.setMat(render, WindowManager.activeWindow.camera.getMat(render))
mpos = base.mouseWatcherNode.getMouse()
x_ratio = min( max( ((mpos.getX()+1)/2), 0), 1)
y_ratio = min( max( ((mpos.getY()+1)/2), 0), 1)
mx = int(x_ratio*self.windowSizeX)
my = self.windowSizeY - int(y_ratio*self.windowSizeY)
self.colorPickerScene.setShaderInput('mousepos', x_ratio, y_ratio, 0, 1)
if self.colorPickerTex.hasRamImage():
self.colorPickerTex.store(self.colorPickerImage)
# get the color below the mousepick from the rendered frame
r = self.colorPickerImage.getRedVal(0,0)
g = self.colorPickerImage.getGreenVal(0,0)
b = self.colorPickerImage.getBlueVal(0,0)
# calculate uv-texture position from the color
x = r + ((b%16)*256)
y = g + ((b//16)*256)
if self.isPainting:
self.__paintPixel(x,y)
self.__textureUpdateTask()
else:
# this might happen if no frame has been rendered yet since creation of the texture
print "W: TexturePainter.__paintTask: colorPickerTex.hasRamMipmapImage() =", self.colorPickerTex.hasRamImage()
return task.cont
def __paintPixel(self, x, y):
''' paint at x/y with the defined settings '''
imageMaxX = self.editImage.getXSize()
imageMaxY = self.editImage.getYSize()
def inImage(x,y):
''' is the given x/y position within the image '''
return ((imageMaxX > x >= 0) and (imageMaxY > y >= 0))
# how smooth should be painted
if self.paintSmooth:
# a smooth brush
hardness = 1.0
else:
# a hard brush
hardness = 0.1
hardness = min(1.0, max(0.05, hardness))
# the paint radius
radius = int(round(self.paintSize/2.0))
radiusSquare = float(radius*radius)
# a function to get the brush color/strength, depending on the radius
def getBrushColor(diffPosX, diffPosY):
distance = diffPosX**2 + diffPosY**2
brushStrength = (1 - (min(distance, radiusSquare) / radiusSquare)) / hardness
return min(1.0, max(0.0, brushStrength))
if inImage(x,y):
if self.paintMode == TEXTUREPAINTER_FUNCTION_PAINT_POINT:
if self.paintEffect in [PNMBrush.BESet, PNMBrush.BEBlend, PNMBrush.BEDarken, PNMBrush.BELighten]:
# render a spot into the texture
self.painter.drawPoint(x, y)
elif self.paintEffect in [TEXTUREPAINTER_BRUSH_FLATTEN, TEXTUREPAINTER_BRUSH_SMOOTH, TEXTUREPAINTER_BRUSH_RANDOMIZE]:
if self.paintEffect == TEXTUREPAINTER_BRUSH_SMOOTH:
# calculate average values
data = dict()
smoothRadius = 2
for dx in xrange(-radius, radius+1):
for dy in xrange(-radius, radius+1):
if inImage(x+dx,y+dy):
average = VBase4D(0)
dividor = 0
for px in xrange(-smoothRadius,smoothRadius+1):
for py in xrange(-smoothRadius,smoothRadius+1):
if inImage(x+dx+px,y+dy+py):
average += self.editImage.getXelA(x+dx+px,y+dy+py)
dividor += 1
average /= float(dividor)
data[(x+dx,y+dy)] = average
# save to image
for (px,py), newValue in data.items():
currentValue = self.editImage.getXelA(px,py)
diffValue = currentValue - newValue
dx = px - x
dy = py - y
multiplier = getBrushColor(dx, dy)
print dx, dy, multiplier
'''if self.paintSmooth:
multiplier = ((radius-math.fabs(dx))*(radius-math.fabs(dy))) / (radius*radius)
else:
# not sure if this is correct
multiplier = ((radius-math.fabs(dx))*(radius-math.fabs(dy)))'''
'''r = currentValue.getX() * (1-multiplier*self.paintColor.getX()) + diffValue.getX() * multiplier*self.paintColor.getX()
g = currentValue.getY() * (1-multiplier*self.paintColor.getY()) + diffValue.getY() * multiplier*self.paintColor.getY()
b = currentValue.getZ() * (1-multiplier*self.paintColor.getZ()) + diffValue.getZ() * multiplier*self.paintColor.getZ()
a = currentValue.getW() * (1-multiplier*self.paintColor.getW()) + diffValue.getW() * multiplier*self.paintColor.getW()'''
r = currentValue.getX() - multiplier * diffValue.getX()
g = currentValue.getY() - multiplier * diffValue.getY()
b = currentValue.getZ() - multiplier * diffValue.getZ()
a = currentValue.getW() - multiplier * diffValue.getW()
if self.editImage.hasAlpha():
self.editImage.setXelA(px,py,VBase4D(r,g,b,a))
else:
self.editImage.setXel(px,py,VBase3D(r,g,b))
#self.editImage.setXelA(x,y,value)
if self.paintEffect == TEXTUREPAINTER_BRUSH_FLATTEN:
dividor = 0
average = VBase4D(0)
for dx in xrange(-radius, radius+1):
for dy in xrange(-radius, radius+1):
if inImage(x+dx,y+dy):
multiplier = getBrushColor(dx, dy)
'''if self.paintSmooth:
multiplier = ((radius-math.fabs(dx))*(radius-math.fabs(dy))) / (radius*radius)
else:
multiplier = ((radius-math.fabs(dx))*(radius-math.fabs(dy)))'''
dividor += multiplier
average += self.editImage.getXelA(x+dx,y+dy) * multiplier
average /= dividor
for dx in xrange(-radius, radius+1):
for dy in xrange(-radius, radius+1):
if inImage(x+dx,y+dy):
multiplier = getBrushColor(dx, dy)
'''if self.paintSmooth:
multiplier = ((radius-math.fabs(dx))*(radius-math.fabs(dy))) / (radius*radius)
else:
# not sure if this is correct
multiplier = ((radius-math.fabs(dx))*(radius-math.fabs(dy)))'''
currentValue = self.editImage.getXelA(x+dx,y+dy)
r = currentValue.getX() * (1-multiplier*self.paintColor.getX()) + average.getX() * multiplier*self.paintColor.getX()
g = currentValue.getY() * (1-multiplier*self.paintColor.getY()) + average.getY() * multiplier*self.paintColor.getY()
b = currentValue.getZ() * (1-multiplier*self.paintColor.getZ()) + average.getZ() * multiplier*self.paintColor.getZ()
a = currentValue.getW() * (1-multiplier*self.paintColor.getW()) + average.getW() * multiplier*self.paintColor.getW()
if self.editImage.hasAlpha():
self.editImage.setXelA(x+dx,y+dy,VBase4D(r,g,b,a))
else:
self.editImage.setXel(x+dx,y+dy,VBase3D(r,g,b))
elif self.paintEffect == TEXTUREPAINTER_BRUSH_RANDOMIZE:
for dx in xrange(-radius, radius+1):
for dy in xrange(-radius, radius+1):
if inImage(x+dx,y+dy):
r = VBase4D(random.random()*self.paintColor.getX()-self.paintColor.getX()/2.,
random.random()*self.paintColor.getY()-self.paintColor.getY()/2.,
random.random()*self.paintColor.getZ()-self.paintColor.getZ()/2.,
random.random()*self.paintColor.getW()-self.paintColor.getW()/2.)
multiplier = getBrushColor(dx, dy)
'''if self.paintSmooth:
multiplier = ((radius-math.fabs(dx))*(radius-math.fabs(dy))) / (radius*radius)
else:
# not sure if this is correct
multiplier = ((radius-math.fabs(dx))*(radius-math.fabs(dy)))'''
currentValue = self.editImage.getXelA(x+dx,y+dy)
self.editImage.setXelA(x+dx,y+dy,currentValue+r*multiplier)
elif self.paintMode == TEXTUREPAINTER_FUNCTION_READ:
if inImage(x,y):
col = self.editImage.getXelA(x,y)
if self.editImage.hasAlpha():
self.paintColor = VBase4D(col[0], col[1], col[2], col[3])
else:
self.paintColor = VBase4D(col[0], col[1], col[2], 1.0)
messenger.send(EVENT_TEXTUREPAINTER_BRUSHCHANGED)
elif self.paintMode == TEXTUREPAINTER_FUNCTION_PAINT_LINE:
if self.lastPoint != None:
self.painter.drawLine(x, y, self.lastPoint[0], self.lastPoint[1])
elif self.paintMode == TEXTUREPAINTER_FUNCTION_PAINT_RECTANGLE:
if self.lastPoint != None:
self.painter.drawRectangle(x, y, self.lastPoint[0], self.lastPoint[1])
self.lastPoint = (x,y)
class TexturePainter(DirectObject):
def __init__(self):
self.editTexture = None
self.editModel = None
self.texturePainterStatus = TEXTURE_PAINTER_STATUS_DISABLED
self.paintColor = VBase4D(1, 1, 1, 1)
self.paintSize = 10
self.paintEffect = PNMBrush.BEBlend
self.paintSmooth = True
self.paintMode = TEXTUREPAINTER_FUNCTION_PAINT_POINT
self.painter = None
# --- creation and destroying of the whole editor ---
def enableEditor(self):
''' create the editor
change from disabled to enabled'''
if self.texturePainterStatus == TEXTURE_PAINTER_STATUS_DISABLED:
self.texturePainterStatus = TEXTURE_PAINTER_STATUS_ENABLED
self.__enableEditor()
else:
print "E: TexturePainter.enableEditor: not disabled", self.texturePainterStatus
def disableEditor(self):
''' destroy the editor, automatically stop the editor and painting
change from enabled to disabled'''
# try stopping if more advanced mode
#if self.texturePainterStatus == TEXTURE_PAINTER_STATUS_INITIALIZED:
# self.stopEditor()
if self.texturePainterStatus == TEXTURE_PAINTER_STATUS_ENABLED:
self.texturePainterStatus = TEXTURE_PAINTER_STATUS_DISABLED
self.__disableEditor()
else:
print "E: TexturePainter.disableEditor: not enabled", self.texturePainterStatus
# ---
def startEditor(self,
editModel,
editTexture,
backgroundShader=MODEL_COLOR_SHADER):
''' prepare to paint
change from enabled to initialized'''
if self.texturePainterStatus == TEXTURE_PAINTER_STATUS_ENABLED:
self.texturePainterStatus = TEXTURE_PAINTER_STATUS_INITIALIZED
self.__startEditor(editModel, editTexture, backgroundShader)
else:
print "E: TexturePainter.startEditor: not enabled", self.texturePainterStatus
def stopEditor(self):
''' stop painting, automatically stop painting
change from initialized to enabled'''
#if self.texturePainterStatus == TEXTURE_PAINTER_STATUS_INITIALIZED:
# self.stopPaint()
if self.texturePainterStatus == TEXTURE_PAINTER_STATUS_INITIALIZED:
self.texturePainterStatus = TEXTURE_PAINTER_STATUS_ENABLED
return self.__stopEditor()
else:
print "E: TexturePainter.startEditor: not initialized", self.texturePainterStatus
""" # this is not externally callable
# ---
def startPaint(self):
''' start painting on the model
change from initialized to running '''
if self.texturePainterStatus == TEXTURE_PAINTER_STATUS_INITIALIZED:
self.texturePainterStatus = TEXTURE_PAINTER_STATUS_RUNNING
self.__startPaint()
else:
print "E: TexturePainter.startPaint: not enabled", self.texturePainterStatus"""
def stopPaint(self):
''' stop painting
change from running to initialized '''
if self.texturePainterStatus == TEXTURE_PAINTER_STATUS_RUNNING:
self.texturePainterStatus = TEXTURE_PAINTER_STATUS_INITIALIZED
self.__stopPaint()
else:
print "E: TexturePainter.stopPaint: not running", self.texturePainterStatus
# --- brush settings for painting ---
''' changing brush settings is possible all the time '''
def setBrushSettings(self, color, size, smooth, effect):
#print "I: TexturePainter.setBrushSettings", color, size, smooth, effect
self.paintColor = color
self.paintSize = size
self.paintEffect = effect
self.paintSmooth = smooth
if effect in [
PNMBrush.BESet, PNMBrush.BEBlend, PNMBrush.BEDarken,
PNMBrush.BELighten
]:
self.brush = PNMBrush.makeSpot(color, size, smooth, effect)
#if self.paintModel:
if self.painter:
self.painter.setPen(self.brush)
def getBrushSettings(self):
return self.paintColor, self.paintSize, self.paintSmooth, self.paintEffect
def setPaintMode(self, newMode):
self.paintMode = newMode
# clear last point if mode changed
if newMode == TEXTUREPAINTER_FUNCTION_PAINT_POINT or \
newMode == TEXTUREPAINTER_FUNCTION_READ:
self.lastPoint = None
def getPaintMode(self):
return self.paintMode
def __enableEditor(self):
''' create the background rendering etc., but the model is not yet defined '''
print "I: TexturePainter.__enableEditor"
# the buffer the model with the color texture is rendered into
self.modelColorBuffer = None
self.modelColorCam = None
# the buffer the picked position color is rendered into
self.colorPickerBuffer = None
self.colorPickerCam = None
# create the buffers
self.__createBuffer()
# when the window is resized, the background buffer etc must be updated.
self.accept("window-event", self.__windowEvent)
# some debugging stuff
self.accept("v", base.bufferViewer.toggleEnable)
self.accept("V", base.bufferViewer.toggleEnable)
def __disableEditor(self):
print "I: TexturePainter.__disableEditor"
self.__destroyBuffer()
# ignore window-event and debug
self.ignoreAll()
def __windowEvent(self, win=None):
''' when the editor is enabled, update the buffers etc. when the window
is resized '''
print "I: TexturePainter.windowEvent"
# with a fixed backgroudn buffer size this is not needed anymore
if False:
#if self.texturePainterStatus != TEXTURE_PAINTER_STATUS_DISABLED:
if self.modelColorBuffer:
if WindowManager.activeWindow:
# on window resize there seems to be never a active window
win = WindowManager.activeWindow.win
else:
win = base.win
if self.modelColorBuffer.getXSize() != win.getXSize(
) or self.modelColorBuffer.getYSize() != win.getYSize():
'''print " - window resized",\
self.modelColorBuffer.getXSize(),\
win.getXSize(),\
self.modelColorBuffer.getYSize(),\
win.getYSize()'''
# if the buffer size doesnt match the window size (window has been resized)
self.__destroyBuffer()
self.__createBuffer()
self.__updateModel()
else:
print "W: TexturePainter.__windowEvent: no buffer"
self.__createBuffer()
def __createBuffer(self):
''' create the buffer we render in the background into '''
print "I: TexturePainter.__createBuffer"
# the window has been modified
if WindowManager.activeWindow:
# on window resize there seems to be never a active window
win = WindowManager.activeWindow.win
else:
win = base.win
# get the window size
self.windowSizeX = win.getXSize()
self.windowSizeY = win.getYSize()
# create a buffer in which we render the model using a shader
self.paintMap = Texture()
# 1.5.4 cant handle non power of 2 buffers
self.modelColorBuffer = createOffscreenBuffer(
-3, TEXTUREPAINTER_BACKGROUND_BUFFER_RENDERSIZE[0],
TEXTUREPAINTER_BACKGROUND_BUFFER_RENDERSIZE[1]
) #self.windowSizeX, self.windowSizeY)
self.modelColorBuffer.addRenderTexture(self.paintMap,
GraphicsOutput.RTMBindOrCopy,
GraphicsOutput.RTPColor)
self.modelColorCam = base.makeCamera(self.modelColorBuffer,
lens=base.cam.node().getLens(),
sort=1)
# Create a small buffer for the shader program that will fetch the point from the texture made
# by the self.modelColorBuffer
self.colorPickerImage = PNMImage()
self.colorPickerTex = Texture()
self.colorPickerBuffer = base.win.makeTextureBuffer(
"color picker buffer", 2, 2, self.colorPickerTex, True)
self.colorPickerScene = NodePath('color picker scene')
self.colorPickerCam = base.makeCamera(self.colorPickerBuffer,
lens=base.cam.node().getLens(),
sort=2)
self.colorPickerCam.reparentTo(self.colorPickerScene)
self.colorPickerCam.setY(-2)
cm = CardMaker('color picker scene card')
cm.setFrameFullscreenQuad()
pickerCard = self.colorPickerScene.attachNewNode(cm.generate())
loadPicker = NodePath(PandaNode('pointnode'))
loadPicker.setShader(Shader.make(COLOR_PICKER_SHADER), 10001)
# Feed the paintmap from the paintBuffer to the shader and initial mouse positions
self.colorPickerScene.setShaderInput('paintmap', self.paintMap)
self.colorPickerScene.setShaderInput('mousepos', 0, 0, 0, 1)
self.colorPickerCam.node().setInitialState(loadPicker.getState())
def __destroyBuffer(self):
print "I: TexturePainter.__destroyBuffer"
if self.modelColorBuffer:
# Destroy the buffer
base.graphicsEngine.removeWindow(self.modelColorBuffer)
self.modelColorBuffer = None
# Remove the camera
self.modelColorCam.removeNode()
del self.modelColorCam
self.colorPickerScene.removeNode()
del self.colorPickerScene
# remove cam
self.colorPickerCam.removeNode()
del self.colorPickerCam
# Destroy the buffer
base.graphicsEngine.removeWindow(self.colorPickerBuffer)
self.colorPickerBuffer = None
del self.colorPickerTex
del self.colorPickerImage
def __startEditor(self,
editModel,
editTexture,
backgroundShader=MODEL_COLOR_SHADER):
print "I: TexturePainter.__startEditor"
# this is needed as on startup the editor may not have had a window etc.
self.__windowEvent()
if not editModel or not editTexture:
print "W: TexturePainter.__startEditor: model or texture invalid", editModel, editTexture
return False
self.editModel = editModel
self.editTexture = editTexture
self.editImage = None
self.backgroundShader = backgroundShader
if type(self.editTexture) == Texture:
# if the image to modify is a texture, create a pnmImage which we modify
self.editImage = PNMImage()
# copy the image from the texture to the working layer
self.editTexture.store(self.editImage)
else:
self.editImage = self.editTexture
# create the brush for painting
self.painter = PNMPainter(self.editImage)
self.setBrushSettings(*self.getBrushSettings())
self.__updateModel()
# start edit
messenger.send(EVENT_TEXTUREPAINTER_STARTEDIT)
for startEvent in TEXTUREPAINTER_START_PAINT_EVENTS:
self.accept(startEvent, self.__startPaint)
for stopEvent in TEXTUREPAINTER_STOP_PAINT_EVENTS:
self.accept(stopEvent, self.__stopPaint)
self.modelColorCam.node().copyLens(
WindowManager.activeWindow.camera.node().getLens())
taskMgr.add(self.__paintTask, 'paintTask')
#modelModificator.toggleEditmode(False)
self.isPainting = False
def __stopEditor(self):
print "I: TexturePainter.__stopEditor"
for startEvent in TEXTUREPAINTER_START_PAINT_EVENTS:
self.ignore(startEvent)
for stopEvent in TEXTUREPAINTER_STOP_PAINT_EVENTS:
self.ignore(stopEvent)
taskMgr.remove('paintTask')
# stop edit end
# must be reset before we loose the properties
if self.editModel and self.editTexture and self.editImage:
try:
# hide the model from cam 2
self.editModel.hide(BitMask32.bit(1))
self.editModel = None
except:
print "E: TexturePainter.__stopEditor: the model has already been deleted"
# stop edit
messenger.send(EVENT_TEXTUREPAINTER_STOPEDIT)
self.editImage = None
self.editTexture = None
self.painter = None
self.brush = None
#modelModificator.toggleEditmode(True)
def __updateModel(self):
if self.editModel:
# create a image with the same size of the texture
textureSize = (self.editTexture.getXSize(),
self.editTexture.getYSize())
# create a dummy node, where we setup the parameters for the background rendering
loadPaintNode = NodePath(PandaNode('paintnode'))
loadPaintNode.setShader(Shader.make(self.backgroundShader), 10001)
loadPaintNode.setShaderInput('texsize', textureSize[0],
textureSize[1], 0, 0)
# copy the state onto the camera
self.modelColorCam.node().setInitialState(loadPaintNode.getState())
# the camera gets a special bitmask, to show/hide models from it
self.modelColorCam.node().setCameraMask(BitMask32.bit(1))
if False:
# doesnt work, but would be nicer (not messing with the default render state)
hiddenNode = NodePath(PandaNode('hiddennode'))
hiddenNode.hide(BitMask32.bit(1))
showTroughNode = NodePath(PandaNode('showtroughnode'))
showTroughNode.showThrough(BitMask32.bit(1))
self.modelColorCam.node().setTagStateKey(
'show-on-backrender-cam')
self.modelColorCam.node().setTagState('False',
hiddenNode.getState())
self.modelColorCam.node().setTagState(
'True', showTroughNode.getState())
render.setTag('show-on-backrender-cam', 'False')
self.editModel.setTag('show-on-backrender-cam', 'True')
else:
# make only the model visible to the background camera
render.hide(BitMask32.bit(1))
self.editModel.showThrough(BitMask32.bit(1))
# --- start the paint tasks ---
def __startPaint(self):
self.isPainting = True
def __stopPaint(self):
self.isPainting = False
# --- modification tasks ---
def __textureUpdateTask(self, task=None):
''' modify the texture using the edited image
'''
if type(self.editTexture) == Texture:
self.editTexture.load(self.editImage)
if task: # task may be None
return task.again
def __paintTask(self, task):
#print "I: TexturePainter.__paintTask:"
if not WindowManager.activeWindow or not WindowManager.activeWindow.mouseWatcherNode.hasMouse(
):
'''print " - abort:", WindowManager.activeWindow
if WindowManager.activeWindow:
print " - mouse:", WindowManager.activeWindow.mouseWatcherNode.hasMouse()'''
return task.cont
# update the camera according to the active camera
#self.modelColorCam.setMat(render, WindowManager.activeWindow.camera.getMat(render))
mpos = base.mouseWatcherNode.getMouse()
x_ratio = min(max(((mpos.getX() + 1) / 2), 0), 1)
y_ratio = min(max(((mpos.getY() + 1) / 2), 0), 1)
mx = int(x_ratio * self.windowSizeX)
my = self.windowSizeY - int(y_ratio * self.windowSizeY)
self.colorPickerScene.setShaderInput('mousepos', x_ratio, y_ratio, 0,
1)
if self.colorPickerTex.hasRamImage():
self.colorPickerTex.store(self.colorPickerImage)
# get the color below the mousepick from the rendered frame
r = self.colorPickerImage.getRedVal(0, 0)
g = self.colorPickerImage.getGreenVal(0, 0)
b = self.colorPickerImage.getBlueVal(0, 0)
# calculate uv-texture position from the color
x = r + ((b % 16) * 256)
y = g + ((b // 16) * 256)
if self.isPainting:
self.__paintPixel(x, y)
self.__textureUpdateTask()
else:
# this might happen if no frame has been rendered yet since creation of the texture
print "W: TexturePainter.__paintTask: colorPickerTex.hasRamMipmapImage() =", self.colorPickerTex.hasRamImage(
)
return task.cont
def __paintPixel(self, x, y):
''' paint at x/y with the defined settings '''
imageMaxX = self.editImage.getXSize()
imageMaxY = self.editImage.getYSize()
def inImage(x, y):
''' is the given x/y position within the image '''
return ((imageMaxX > x >= 0) and (imageMaxY > y >= 0))
# how smooth should be painted
if self.paintSmooth:
# a smooth brush
hardness = 1.0
else:
# a hard brush
hardness = 0.1
hardness = min(1.0, max(0.05, hardness))
# the paint radius
radius = int(round(self.paintSize / 2.0))
radiusSquare = float(radius * radius)
# a function to get the brush color/strength, depending on the radius
def getBrushColor(diffPosX, diffPosY):
distance = diffPosX**2 + diffPosY**2
brushStrength = (
1 - (min(distance, radiusSquare) / radiusSquare)) / hardness
return min(1.0, max(0.0, brushStrength))
if inImage(x, y):
if self.paintMode == TEXTUREPAINTER_FUNCTION_PAINT_POINT:
if self.paintEffect in [
PNMBrush.BESet, PNMBrush.BEBlend, PNMBrush.BEDarken,
PNMBrush.BELighten
]:
# render a spot into the texture
self.painter.drawPoint(x, y)
elif self.paintEffect in [
TEXTUREPAINTER_BRUSH_FLATTEN,
TEXTUREPAINTER_BRUSH_SMOOTH,
TEXTUREPAINTER_BRUSH_RANDOMIZE
]:
if self.paintEffect == TEXTUREPAINTER_BRUSH_SMOOTH:
# calculate average values
data = dict()
smoothRadius = 2
for dx in xrange(-radius, radius + 1):
for dy in xrange(-radius, radius + 1):
if inImage(x + dx, y + dy):
average = VBase4D(0)
dividor = 0
for px in xrange(-smoothRadius,
smoothRadius + 1):
for py in xrange(
-smoothRadius,
smoothRadius + 1):
if inImage(x + dx + px,
y + dy + py):
average += self.editImage.getXelA(
x + dx + px, y + dy + py)
dividor += 1
average /= float(dividor)
data[(x + dx, y + dy)] = average
# save to image
for (px, py), newValue in data.items():
currentValue = self.editImage.getXelA(px, py)
diffValue = currentValue - newValue
dx = px - x
dy = py - y
multiplier = getBrushColor(dx, dy)
print dx, dy, multiplier
'''if self.paintSmooth:
multiplier = ((radius-math.fabs(dx))*(radius-math.fabs(dy))) / (radius*radius)
else:
# not sure if this is correct
multiplier = ((radius-math.fabs(dx))*(radius-math.fabs(dy)))'''
'''r = currentValue.getX() * (1-multiplier*self.paintColor.getX()) + diffValue.getX() * multiplier*self.paintColor.getX()
g = currentValue.getY() * (1-multiplier*self.paintColor.getY()) + diffValue.getY() * multiplier*self.paintColor.getY()
b = currentValue.getZ() * (1-multiplier*self.paintColor.getZ()) + diffValue.getZ() * multiplier*self.paintColor.getZ()
a = currentValue.getW() * (1-multiplier*self.paintColor.getW()) + diffValue.getW() * multiplier*self.paintColor.getW()'''
r = currentValue.getX(
) - multiplier * diffValue.getX()
g = currentValue.getY(
) - multiplier * diffValue.getY()
b = currentValue.getZ(
) - multiplier * diffValue.getZ()
a = currentValue.getW(
) - multiplier * diffValue.getW()
if self.editImage.hasAlpha():
self.editImage.setXelA(px, py,
VBase4D(r, g, b, a))
else:
self.editImage.setXel(px, py, VBase3D(r, g, b))
#self.editImage.setXelA(x,y,value)
if self.paintEffect == TEXTUREPAINTER_BRUSH_FLATTEN:
dividor = 0
average = VBase4D(0)
for dx in xrange(-radius, radius + 1):
for dy in xrange(-radius, radius + 1):
if inImage(x + dx, y + dy):
multiplier = getBrushColor(dx, dy)
'''if self.paintSmooth:
multiplier = ((radius-math.fabs(dx))*(radius-math.fabs(dy))) / (radius*radius)
else:
multiplier = ((radius-math.fabs(dx))*(radius-math.fabs(dy)))'''
dividor += multiplier
average += self.editImage.getXelA(
x + dx, y + dy) * multiplier
average /= dividor
for dx in xrange(-radius, radius + 1):
for dy in xrange(-radius, radius + 1):
if inImage(x + dx, y + dy):
multiplier = getBrushColor(dx, dy)
'''if self.paintSmooth:
multiplier = ((radius-math.fabs(dx))*(radius-math.fabs(dy))) / (radius*radius)
else:
# not sure if this is correct
multiplier = ((radius-math.fabs(dx))*(radius-math.fabs(dy)))'''
currentValue = self.editImage.getXelA(
x + dx, y + dy)
r = currentValue.getX() * (
1 -
multiplier * self.paintColor.getX()
) + average.getX(
) * multiplier * self.paintColor.getX()
g = currentValue.getY() * (
1 -
multiplier * self.paintColor.getY()
) + average.getY(
) * multiplier * self.paintColor.getY()
b = currentValue.getZ() * (
1 -
multiplier * self.paintColor.getZ()
) + average.getZ(
) * multiplier * self.paintColor.getZ()
a = currentValue.getW() * (
1 -
multiplier * self.paintColor.getW()
) + average.getW(
) * multiplier * self.paintColor.getW()
if self.editImage.hasAlpha():
self.editImage.setXelA(
x + dx, y + dy,
VBase4D(r, g, b, a))
else:
self.editImage.setXel(
x + dx, y + dy, VBase3D(r, g, b))
elif self.paintEffect == TEXTUREPAINTER_BRUSH_RANDOMIZE:
for dx in xrange(-radius, radius + 1):
for dy in xrange(-radius, radius + 1):
if inImage(x + dx, y + dy):
r = VBase4D(
random.random() *
self.paintColor.getX() -
self.paintColor.getX() / 2.,
random.random() *
self.paintColor.getY() -
self.paintColor.getY() / 2.,
random.random() *
self.paintColor.getZ() -
self.paintColor.getZ() / 2.,
random.random() *
self.paintColor.getW() -
self.paintColor.getW() / 2.)
multiplier = getBrushColor(dx, dy)
'''if self.paintSmooth:
multiplier = ((radius-math.fabs(dx))*(radius-math.fabs(dy))) / (radius*radius)
else:
# not sure if this is correct
multiplier = ((radius-math.fabs(dx))*(radius-math.fabs(dy)))'''
currentValue = self.editImage.getXelA(
x + dx, y + dy)
self.editImage.setXelA(
x + dx, y + dy,
currentValue + r * multiplier)
elif self.paintMode == TEXTUREPAINTER_FUNCTION_READ:
if inImage(x, y):
col = self.editImage.getXelA(x, y)
if self.editImage.hasAlpha():
self.paintColor = VBase4D(col[0], col[1], col[2],
col[3])
else:
self.paintColor = VBase4D(col[0], col[1], col[2], 1.0)
messenger.send(EVENT_TEXTUREPAINTER_BRUSHCHANGED)
elif self.paintMode == TEXTUREPAINTER_FUNCTION_PAINT_LINE:
if self.lastPoint != None:
self.painter.drawLine(x, y, self.lastPoint[0],
self.lastPoint[1])
elif self.paintMode == TEXTUREPAINTER_FUNCTION_PAINT_RECTANGLE:
if self.lastPoint != None:
self.painter.drawRectangle(x, y, self.lastPoint[0],
self.lastPoint[1])
self.lastPoint = (x, y)