本文整理汇总了Python中pandac.PandaModules.PNMImage.getXelA方法的典型用法代码示例。如果您正苦于以下问题：Python PNMImage.getXelA方法的具体用法？Python PNMImage.getXelA怎么用？Python PNMImage.getXelA使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类pandac.PandaModules.PNMImage的用法示例。
在下文中一共展示了PNMImage.getXelA方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: TexturePainter
# 需要导入模块: from pandac.PandaModules import PNMImage [as 别名]
# 或者: from pandac.PandaModules.PNMImage import getXelA [as 别名]
#.........这里部分代码省略.........
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: