Python OpenGL.GL.glColor4f() Examples
The following are 8
code examples of OpenGL.GL.glColor4f().
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Example #1
| Source File: LicModel.py From lic with GNU General Public License v3.0 | 6 votes |
|
def drawConditionalLines(self):
if self.type != GL.GL_LINES or len(self.points) != 12:
return # Not a conditional line
p = self.points
p0 = GLU.gluProject(p[0], p[1], p[2])
p1 = GLU.gluProject(p[3], p[4], p[5])
c0 = GLU.gluProject(p[6], p[7], p[8])
c1 = GLU.gluProject(p[9], p[10], p[11])
winding1 = self.pointWinding(p0, p1, c0)
winding2 = self.pointWinding(p0, p1, c1)
if winding1 != winding2:
return
GL.glPushAttrib(GL.GL_CURRENT_BIT)
GL.glColor4f(1.0, 1.0, 0.0, 1.0)
GL.glBegin(self.type)
GL.glVertex3f(p[0], p[1], p[2])
GL.glVertex3f(p[3], p[4], p[5])
GL.glEnd()
GL.glPopAttrib()
Example #2
| Source File: brush.py From GDMC with ISC License | 5 votes |
|
def drawTerrainReticle(self):
"""
Draws the white reticle where the cursor is pointing.
Called by leveleditor.render
"""
if self.optionBackup != self.options:
self.saveBrushPreset('__temp__')
self.optionBackup = copy.copy(self.options)
if not hasattr(self, 'brushMode'):
return
if self.options[getattr(self.brushMode, 'mainBlock', 'Block')] != self.renderedBlock and not getattr(self.brushMode, 'addPasteButton', False):
self.setupPreview()
self.renderedBlock = self.options[getattr(self.brushMode, 'mainBlock', 'Block')]
if self.pickBlockKey == 1: #Alt is pressed
self.editor.drawWireCubeReticle(color=(0.2, 0.6, 0.9, 1.0))
else:
pos, direction = self.editor.blockFaceUnderCursor
reticlePoint = self.getReticlePoint(pos, direction)
self.editor.drawWireCubeReticle(position=reticlePoint)
if reticlePoint != pos:
GL.glColor4f(1.0, 1.0, 0.0, 0.7)
with gl.glBegin(GL.GL_LINES):
GL.glVertex3f(*map(lambda a: a + 0.5, reticlePoint)) #Center of reticle block
GL.glVertex3f(*map(lambda a, b: a + 0.5 + b * 0.5, pos, direction)) #Top side of surface block
dirtyBox = self.getDirtyBox(reticlePoint, self)
self.drawTerrainPreview(dirtyBox.origin)
if self.lineToolKey and self.lastPosition and getattr(self.brushMode, 'draggableBrush', True): #If dragging mouse with Linetool pressed.
GL.glColor4f(1.0, 1.0, 1.0, 0.7)
with gl.glBegin(GL.GL_LINES):
GL.glVertex3f(*map(lambda a: a + 0.5, self.lastPosition))
GL.glVertex3f(*map(lambda a: a + 0.5, reticlePoint))
Example #3
| Source File: LicModel.py From lic with GNU General Public License v3.0 | 5 votes |
|
def __callPreviousGLDisplayLists(self, isCurrent=False):
# Call all previous step's CSI display list
prevStep = self.parentItem().getPrevStep()
if prevStep:
# if prevStep.csi.glDispID == LicGLHelpers.UNINIT_GL_DISPID:
prevStep.csi.__callPreviousGLDisplayLists(False)
# else:
# GL.glCallList(prevStep.csi.glDispID)
# Draw all the parts in this CSI
# First their edges
GL.glPushAttrib(GL.GL_CURRENT_BIT | GL_ENABLE_BIT)
GL.glColor4f(0.0, 0.0, 0.0, 1.0)
GL.glDisable(GL_LIGHTING)
for partItem in self.parts:
for part in partItem.parts:
part.callGLDisplayList(isCurrent, True)
GL.glPopAttrib()
# Than their contents
for partItem in self.parts:
for part in partItem.parts:
part.callGLDisplayList(isCurrent, False)
Example #4
| Source File: brush.py From MCEdit-Unified with ISC License | 5 votes |
|
def drawTerrainReticle(self):
"""
Draws the white reticle where the cursor is pointing.
Called by leveleditor.render
"""
if self.optionBackup != self.options:
self.saveBrushPreset('__temp__')
self.optionBackup = copy.copy(self.options)
if not hasattr(self, 'brushMode'):
return
if self.options[getattr(self.brushMode, 'mainBlock', 'Block')] != self.renderedBlock and not getattr(self.brushMode, 'addPasteButton', False):
self.setupPreview()
self.renderedBlock = self.options[getattr(self.brushMode, 'mainBlock', 'Block')]
if self.pickBlockKey == 1: #Alt is pressed
self.editor.drawWireCubeReticle(color=(0.2, 0.6, 0.9, 1.0))
else:
pos, direction = self.editor.blockFaceUnderCursor
reticlePoint = self.getReticlePoint(pos, direction)
self.editor.drawWireCubeReticle(position=reticlePoint)
if reticlePoint != pos:
GL.glColor4f(1.0, 1.0, 0.0, 0.7)
with gl.glBegin(GL.GL_LINES):
GL.glVertex3f(*[a + 0.5 for a in reticlePoint]) #Center of reticle block
GL.glVertex3f(*map(lambda a, b: a + 0.5 + b * 0.5, pos, direction)) #Top side of surface block
dirtyBox = self.getDirtyBox(reticlePoint, self)
self.drawTerrainPreview(dirtyBox.origin)
if self.lineToolKey and self.lastPosition and getattr(self.brushMode, 'draggableBrush', True): #If dragging mouse with Linetool pressed.
GL.glColor4f(1.0, 1.0, 1.0, 0.7)
with gl.glBegin(GL.GL_LINES):
GL.glVertex3f(*[a + 0.5 for a in self.lastPosition])
GL.glVertex3f(*[a + 0.5 for a in reticlePoint])
Example #5
| Source File: PlotCurveItem.py From tf-pose with Apache License 2.0 | 4 votes |
|
def paintGL(self, p, opt, widget):
p.beginNativePainting()
import OpenGL.GL as gl
## set clipping viewport
view = self.getViewBox()
if view is not None:
rect = view.mapRectToItem(self, view.boundingRect())
#gl.glViewport(int(rect.x()), int(rect.y()), int(rect.width()), int(rect.height()))
#gl.glTranslate(-rect.x(), -rect.y(), 0)
gl.glEnable(gl.GL_STENCIL_TEST)
gl.glColorMask(gl.GL_FALSE, gl.GL_FALSE, gl.GL_FALSE, gl.GL_FALSE) # disable drawing to frame buffer
gl.glDepthMask(gl.GL_FALSE) # disable drawing to depth buffer
gl.glStencilFunc(gl.GL_NEVER, 1, 0xFF)
gl.glStencilOp(gl.GL_REPLACE, gl.GL_KEEP, gl.GL_KEEP)
## draw stencil pattern
gl.glStencilMask(0xFF)
gl.glClear(gl.GL_STENCIL_BUFFER_BIT)
gl.glBegin(gl.GL_TRIANGLES)
gl.glVertex2f(rect.x(), rect.y())
gl.glVertex2f(rect.x()+rect.width(), rect.y())
gl.glVertex2f(rect.x(), rect.y()+rect.height())
gl.glVertex2f(rect.x()+rect.width(), rect.y()+rect.height())
gl.glVertex2f(rect.x()+rect.width(), rect.y())
gl.glVertex2f(rect.x(), rect.y()+rect.height())
gl.glEnd()
gl.glColorMask(gl.GL_TRUE, gl.GL_TRUE, gl.GL_TRUE, gl.GL_TRUE)
gl.glDepthMask(gl.GL_TRUE)
gl.glStencilMask(0x00)
gl.glStencilFunc(gl.GL_EQUAL, 1, 0xFF)
try:
x, y = self.getData()
pos = np.empty((len(x), 2))
pos[:,0] = x
pos[:,1] = y
gl.glEnableClientState(gl.GL_VERTEX_ARRAY)
try:
gl.glVertexPointerf(pos)
pen = fn.mkPen(self.opts['pen'])
color = pen.color()
gl.glColor4f(color.red()/255., color.green()/255., color.blue()/255., color.alpha()/255.)
width = pen.width()
if pen.isCosmetic() and width < 1:
width = 1
gl.glPointSize(width)
gl.glEnable(gl.GL_LINE_SMOOTH)
gl.glEnable(gl.GL_BLEND)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
gl.glHint(gl.GL_LINE_SMOOTH_HINT, gl.GL_NICEST)
gl.glDrawArrays(gl.GL_LINE_STRIP, 0, pos.size / pos.shape[-1])
finally:
gl.glDisableClientState(gl.GL_VERTEX_ARRAY)
finally:
p.endNativePainting()
Example #6
| Source File: LicModel.py From lic with GNU General Public License v3.0 | 4 votes |
|
def callGLDisplayList(self, useDisplacement, paintingEdge):
# must be called inside a glNewList/EndList pair
if self.inverted:
GL.glPushAttrib(GL.GL_POLYGON_BIT)
GL.glFrontFace(GL.GL_CW)
if self.matrix:
matrix = list(self.matrix)
if useDisplacement and self.displacement:
matrix[12] += self.displacement[0]
matrix[13] += self.displacement[1]
matrix[14] += self.displacement[2]
GL.glPushMatrix()
GL.glMultMatrixf(matrix)
if useDisplacement and (self.isSelected() or CSI.highlightNewParts):
GL.glPushAttrib(GL.GL_CURRENT_BIT)
GL.glColor4f(1.0, 0.0, 0.0, 1.0)
self.drawGLBoundingBox()
GL.glPopAttrib()
if self.color is not None:
GL.glPushAttrib(GL.GL_CURRENT_BIT)
if paintingEdge:
if self.color is not None and self.color.edgeRgba is not None:
color = list(self.color.edgeRgba)
if useDisplacement and self.isSelected():
color[3] *= 0.6
GL.glColor4fv(color)
GL.glCallList(self.abstractPart.glEdgeDispID)
else:
if self.color is not None:
color = list(self.color.rgba)
if useDisplacement and self.isSelected():
color[3] *= 0.5
GL.glColor4fv(color)
GL.glCallList(self.abstractPart.glDispID)
if self.color is not None:
GL.glPopAttrib()
# self.abstractPart.drawConditionalLines()
if self.matrix:
GL.glPopMatrix()
if self.inverted:
GL.glPopAttrib()
if not paintingEdge:
for arrow in self.arrows:
arrow.callGLDisplayList(useDisplacement)
Example #7
| Source File: PlotCurveItem.py From soapy with GNU General Public License v3.0 | 4 votes |
|
def paintGL(self, p, opt, widget):
p.beginNativePainting()
import OpenGL.GL as gl
## set clipping viewport
view = self.getViewBox()
if view is not None:
rect = view.mapRectToItem(self, view.boundingRect())
#gl.glViewport(int(rect.x()), int(rect.y()), int(rect.width()), int(rect.height()))
#gl.glTranslate(-rect.x(), -rect.y(), 0)
gl.glEnable(gl.GL_STENCIL_TEST)
gl.glColorMask(gl.GL_FALSE, gl.GL_FALSE, gl.GL_FALSE, gl.GL_FALSE) # disable drawing to frame buffer
gl.glDepthMask(gl.GL_FALSE) # disable drawing to depth buffer
gl.glStencilFunc(gl.GL_NEVER, 1, 0xFF)
gl.glStencilOp(gl.GL_REPLACE, gl.GL_KEEP, gl.GL_KEEP)
## draw stencil pattern
gl.glStencilMask(0xFF)
gl.glClear(gl.GL_STENCIL_BUFFER_BIT)
gl.glBegin(gl.GL_TRIANGLES)
gl.glVertex2f(rect.x(), rect.y())
gl.glVertex2f(rect.x()+rect.width(), rect.y())
gl.glVertex2f(rect.x(), rect.y()+rect.height())
gl.glVertex2f(rect.x()+rect.width(), rect.y()+rect.height())
gl.glVertex2f(rect.x()+rect.width(), rect.y())
gl.glVertex2f(rect.x(), rect.y()+rect.height())
gl.glEnd()
gl.glColorMask(gl.GL_TRUE, gl.GL_TRUE, gl.GL_TRUE, gl.GL_TRUE)
gl.glDepthMask(gl.GL_TRUE)
gl.glStencilMask(0x00)
gl.glStencilFunc(gl.GL_EQUAL, 1, 0xFF)
try:
x, y = self.getData()
pos = np.empty((len(x), 2))
pos[:,0] = x
pos[:,1] = y
gl.glEnableClientState(gl.GL_VERTEX_ARRAY)
try:
gl.glVertexPointerf(pos)
pen = fn.mkPen(self.opts['pen'])
color = pen.color()
gl.glColor4f(color.red()/255., color.green()/255., color.blue()/255., color.alpha()/255.)
width = pen.width()
if pen.isCosmetic() and width < 1:
width = 1
gl.glPointSize(width)
gl.glEnable(gl.GL_LINE_SMOOTH)
gl.glEnable(gl.GL_BLEND)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
gl.glHint(gl.GL_LINE_SMOOTH_HINT, gl.GL_NICEST)
gl.glDrawArrays(gl.GL_LINE_STRIP, 0, pos.size / pos.shape[-1])
finally:
gl.glDisableClientState(gl.GL_VERTEX_ARRAY)
finally:
p.endNativePainting()
Example #8
| Source File: PlotCurveItem.py From qgisSpaceSyntaxToolkit with GNU General Public License v3.0 | 4 votes |
|
def paintGL(self, p, opt, widget):
p.beginNativePainting()
import OpenGL.GL as gl
## set clipping viewport
view = self.getViewBox()
if view is not None:
rect = view.mapRectToItem(self, view.boundingRect())
#gl.glViewport(int(rect.x()), int(rect.y()), int(rect.width()), int(rect.height()))
#gl.glTranslate(-rect.x(), -rect.y(), 0)
gl.glEnable(gl.GL_STENCIL_TEST)
gl.glColorMask(gl.GL_FALSE, gl.GL_FALSE, gl.GL_FALSE, gl.GL_FALSE) # disable drawing to frame buffer
gl.glDepthMask(gl.GL_FALSE) # disable drawing to depth buffer
gl.glStencilFunc(gl.GL_NEVER, 1, 0xFF)
gl.glStencilOp(gl.GL_REPLACE, gl.GL_KEEP, gl.GL_KEEP)
## draw stencil pattern
gl.glStencilMask(0xFF)
gl.glClear(gl.GL_STENCIL_BUFFER_BIT)
gl.glBegin(gl.GL_TRIANGLES)
gl.glVertex2f(rect.x(), rect.y())
gl.glVertex2f(rect.x()+rect.width(), rect.y())
gl.glVertex2f(rect.x(), rect.y()+rect.height())
gl.glVertex2f(rect.x()+rect.width(), rect.y()+rect.height())
gl.glVertex2f(rect.x()+rect.width(), rect.y())
gl.glVertex2f(rect.x(), rect.y()+rect.height())
gl.glEnd()
gl.glColorMask(gl.GL_TRUE, gl.GL_TRUE, gl.GL_TRUE, gl.GL_TRUE)
gl.glDepthMask(gl.GL_TRUE)
gl.glStencilMask(0x00)
gl.glStencilFunc(gl.GL_EQUAL, 1, 0xFF)
try:
x, y = self.getData()
pos = np.empty((len(x), 2))
pos[:,0] = x
pos[:,1] = y
gl.glEnableClientState(gl.GL_VERTEX_ARRAY)
try:
gl.glVertexPointerf(pos)
pen = fn.mkPen(self.opts['pen'])
color = pen.color()
gl.glColor4f(color.red()/255., color.green()/255., color.blue()/255., color.alpha()/255.)
width = pen.width()
if pen.isCosmetic() and width < 1:
width = 1
gl.glPointSize(width)
gl.glEnable(gl.GL_LINE_SMOOTH)
gl.glEnable(gl.GL_BLEND)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
gl.glHint(gl.GL_LINE_SMOOTH_HINT, gl.GL_NICEST)
gl.glDrawArrays(gl.GL_LINE_STRIP, 0, pos.size / pos.shape[-1])
finally:
gl.glDisableClientState(gl.GL_VERTEX_ARRAY)
finally:
p.endNativePainting()
