def _init_shader(self):
self._logger.debug('Initialise Shader')
import ShaderProgramesV4 as ShaderProgrames
self.shader_manager = ShaderProgrames.shader_manager
self.position_shader_interface = ShaderProgrames.position_shader_program_interface
self.rule_shader_interface = ShaderProgrames.rule_shader_program_interface
self.text_shader_interface = ShaderProgrames.text_shader_program_interface
# Fixme: share interface
self._viewport_uniform_buffer = GlUniformBuffer()
viewport_uniform_block = self.position_shader_interface.uniform_blocks.viewport
self._viewport_uniform_buffer.bind_buffer_base(
viewport_uniform_block.binding_point)
def _init_shader(self):
self.logger.debug('Initialise Shader')
import ShaderProgramesV4 as ShaderProgrames
self.shader_manager = ShaderProgrames.shader_manager
self.position_shader_interface = ShaderProgrames.position_shader_program_interface
# Fixme: share interface
self._viewport_uniform_buffer = GlUniformBuffer()
viewport_uniform_block = self.position_shader_interface.uniform_blocks.viewport
self._viewport_uniform_buffer.bind_buffer_base(viewport_uniform_block.binding_point)
def _init_shader(self):
self._logger.debug('Initialise Shader')
from PyGeoPortail.GraphicEngine import ShaderProgrames as ShaderProgrames
self.shader_manager = ShaderProgrames.shader_manager
self.position_shader_interface = ShaderProgrames.program_interfaces['position_shader_program_interface']
# Fixme: share interface
self._viewport_uniform_buffer = GlUniformBuffer()
viewport_uniform_block = self.position_shader_interface.uniform_blocks.viewport
self._viewport_uniform_buffer.bind_buffer_base(viewport_uniform_block.binding_point)
def _init_shader(self):
self.logger.debug('Initialise Shader')
# try:
import ShaderProgramesV3 as ShaderProgrames
# except:
# #? QtGui.QApplication.instance().quit()
# import sys
# sys.exit(1)
self.shader_manager = ShaderProgrames.shader_manager
self.position_shader_interface = ShaderProgrames.position_shader_program_interface
# Fixme: share interface
self._viewport_uniform_buffer = GlUniformBuffer()
viewport_uniform_block = self.position_shader_interface.uniform_blocks.viewport
self._viewport_uniform_buffer.bind_buffer_base(viewport_uniform_block.binding_point)
class GlWidget(GlWidgetBase):
logger = logging.getLogger(__name__)
##############################################
def __init__(self, parent):
self.logger.debug('Initialise GlWidget')
super(GlWidget, self).__init__(parent)
##############################################
def wheelEvent(self, event):
self.logger.debug('Wheel Event')
return self.wheel_zoom(event)
##############################################
def init_glortho2d(self):
# Set max_area so as to correspond to max_binning zoom centered at the origin
area_size = 10**3
max_area = IntervalInt2D([-area_size, area_size], [-area_size, area_size])
super(GlWidget, self).init_glortho2d(max_area, zoom_manager=None)
##############################################
def initializeGL(self):
self.logger.debug('Initialise GL')
super(GlWidget, self).initializeGL()
# Require compatibility profile
GL.glEnable(GL.GL_POINT_SMOOTH)
GL.glEnable(GL.GL_LINE_SMOOTH)
self._init_shader()
self.create_vertex_array_objects()
##############################################
def _init_shader(self):
self.logger.debug('Initialise Shader')
import ShaderProgramesV4 as ShaderProgrames
self.shader_manager = ShaderProgrames.shader_manager
self.position_shader_interface = ShaderProgrames.position_shader_program_interface
# Fixme: share interface
self._viewport_uniform_buffer = GlUniformBuffer()
viewport_uniform_block = self.position_shader_interface.uniform_blocks.viewport
self._viewport_uniform_buffer.bind_buffer_base(viewport_uniform_block.binding_point)
##############################################
def update_model_view_projection_matrix(self):
self.logger.debug('Update Model View Projection Matrix'
'\n' + str(self.glortho2d))
# To test NVPath API
# See also DSA http://www.opengl.org/registry/specs/EXT/direct_state_access.txt
#compat# GL.glMatrixMode(GL.GL_PROJECTION)
#compat# GL.glLoadIdentity()
#GLU# GLU.gluOrtho2D(* self.glortho2d.ortho2d_bounding_box())
viewport_uniform_buffer_data = self.glortho2d.viewport_uniform_buffer_data(self.size())
self.logger.debug('Viewport Uniform Buffer Data '
'\n' + str(viewport_uniform_buffer_data))
self._viewport_uniform_buffer.set(viewport_uniform_buffer_data)
##############################################
def create_vertex_array_objects(self):
self.create_grid()
if nvpath is not None:
self.create_path()
self.create_lines()
self.create_textures()
self.create_text()
##############################################
def create_grid(self):
step = 100
x_min, x_max = -1000, 1000
y_min, y_max = -1000, 1000
segments = []
for x in range(x_min, x_max +1, step):
p1 = Point(x, y_min)
p2 = Point(x, y_max)
segments.append(Segment(p1, p2))
for y in range(y_min, y_max +1, step):
p1 = Point(y_min, y)
p2 = Point(y_max, y)
segments.append(Segment(p1, p2))
self.grid_vertex_array = GlSegmentVertexArray(segments)
self.grid_vertex_array.bind_to_shader(self.position_shader_interface.attributes.position)
##############################################
def create_path(self):
self.path_object = nvpath.glGenPathsNV(1)
# six.print_(self.path_object)
start_ps_path = """ 100 180 moveto 40 10 lineto 190 120 lineto 10 120 lineto 160 10 lineto closepath """
nvpath.glPathStringNV(self.path_object, nvpath.GL_PATH_FORMAT_PS_NV, len(start_ps_path), start_ps_path)
nvpath.glPathParameteriNV(self.path_object, nvpath.GL_PATH_JOIN_STYLE_NV, nvpath.GL_ROUND_NV)
nvpath.glPathParameterfNV(self.path_object, nvpath.GL_PATH_STROKE_WIDTH_NV, 6.5)
##############################################
def create_lines(self):
def simple_square_generator(radius):
p1 = Point(-radius, -radius)
p2 = Point(-radius, radius)
p3 = Point( radius, radius)
p4 = Point( radius, -radius)
return (Segment(p1, p2),
Segment(p2, p3),
Segment(p3, p4),
Segment(p4, p1),
)
segments = simple_square_generator(radius=10)
self.simple_square_vertex_array = GlSegmentVertexArray(segments)
self.simple_square_vertex_array.bind_to_shader(self.position_shader_interface.attributes.position)
def segment_generator(radius):
p1 = Point(-radius, -radius)
p2 = Point( 0, radius)
p3 = Point( radius, -radius)
return (Segment(p1, p2),
Segment(p2, p3),
Segment(p3, p1),
)
segments = segment_generator(radius=5)
self.segment_vertex_array1 = GlSegmentVertexArray(segments)
self.segment_vertex_array1.bind_to_shader(self.position_shader_interface.attributes.position)
segments2 = segment_generator(radius=10)
self.segment_vertex_array2 = GlSegmentVertexArray(segments2)
self.segment_vertex_array2.bind_to_shader(self.position_shader_interface.attributes.position)
segments3 = (Segment(Point(-5, 0), Point(5, 0)),
Segment(Point(-5, 1), Point(5, 1)),
Segment(Point(0, -5), Point(0, 5)),
Segment(Point(1, -5), Point(1, 5)),
)
self.segment_vertex_array3 = GlSegmentVertexArray(segments3)
self.segment_vertex_array3.bind_to_shader(self.position_shader_interface.attributes.position)
rectangles = (Rectangle(Point(0, 0), Offset(5, 5)),
Rectangle(Point(-5, -5), Offset(6, 6)),
)
self.rectangle_vertex_array = GlRectangleVertexArray(rectangles)
self.rectangle_vertex_array.bind_to_shader(self.position_shader_interface.attributes.position)
centred_rectangles = (Rectangle(Point(0, 0), Offset(1, 1)),
)
self.centred_rectangle_vertex_array = GlRectangleVertexArray(centred_rectangles)
self.centred_rectangle_vertex_array.bind_to_shader(self.position_shader_interface.attributes.position)
segments = (Segment(Point(0,0), Point(5,5)),
)
self.line_vertex_array1 = GlSegmentVertexArray(segments)
self.line_vertex_array1.bind_to_shader(self.position_shader_interface.attributes.position)
segments = (Segment(Point(-5,5), Point(5,-5)),
)
self.line_vertex_array2 = GlSegmentVertexArray(segments)
self.line_vertex_array2.bind_to_shader(self.position_shader_interface.attributes.position)
# stipple_pattern = 01111111111111111
# stipple_pattern = 01100110011001111
stipple_pattern = 0xFF00
self.stipple_texture = GlStippleTexture(stipple_pattern)
##############################################
def create_textures(self):
depth = 16
if depth == 8:
data_type = np.uint8
elif depth == 16:
data_type = np.uint16
intensity_max = 2**depth -1
integer_internal_format = True
height, width = 10, 10
number_of_planes = 3
data = np.zeros((height, width, number_of_planes),
data_type)
for c in range(width):
data[:,c,:] = int((float(c+1) / width) * intensity_max)
# data[...] = intensity_max
# six.print_(data)
self.image = data
self.texture_vertex_array1 = GlTextureVertexArray(position=Point(0, 0), dimension=Offset(width, height), image=data,
integer_internal_format=integer_internal_format)
self.texture_vertex_array1.bind_to_shader(self.shader_manager.texture_shader_program.interface.attributes)
# self.texture_vertex_array2 = GlTextureVertexArray(position=Point(-5, -5), dimension=Offset(width, height))
# self.texture_vertex_array2.set(image=data//2, integer_internal_format=integer_internal_format)
# self.texture_vertex_array2.bind_to_shader(self.shader_manager.texture_shader_program.interface.attributes)
from PIL import Image
image = Image.open('flower.png')
data = np.asarray(image, dtype=np.uint8)
self.texture_vertex_array2 = GlTextureVertexArray(position=Point(-10, -10), dimension=Offset(width, height))
self.texture_vertex_array2.set(image=data, integer_internal_format=integer_internal_format)
self.texture_vertex_array2.bind_to_shader(self.shader_manager.texture_shader_program.interface.attributes)
height, width = 50, 50
data = np.zeros((height, width, number_of_planes),
data_type)
# data[...] = intensity_max
data[10:20,10:20,0] = 1
data[30:50,30:50,1] = 2
self.texture_vertex_array3 = GlTextureVertexArray(position=Point(15, 15), dimension=Offset(width, height))
self.texture_vertex_array3.set(image=data, integer_internal_format=integer_internal_format)
self.texture_vertex_array3.bind_to_shader(self.shader_manager.texture_label_shader_program.interface.attributes)
# self.texture_vertex_array3.bind_to_shader(self.shader_manager.texture_shader_program.interface.attributes)
##############################################
def create_text(self):
self.font = TextureFont('./Vera.ttf')
self.font_size = self.font[25]
self.font_size.load_all_glyphs()
self.font.atlas.save('atlas.png')
self.font_atlas_texture = ImageTexture(self.font.atlas.data)
self.text_vertex_array = TextVertexArray(self.font_atlas_texture)
self.text_vertex_array.add(text="| A Quick Brown Fox Jumps Over The Lazy Dog fi ffl Va",
font_size=self.font_size,
colour=(1.0, 1.0, .0, 1.0),
x=0, y=0,
anchor_x='left', anchor_y='baseline',
)
self.text_vertex_array.add(text="| Foo Bar",
font_size=self.font_size,
colour=(.0, 1.0, .0, 1.0),
x=200, y=100,
anchor_x='left', anchor_y='baseline',
)
self.text_vertex_array.upload()
self.text_vertex_array.bind_to_shader(self.shader_manager.text_shader_program.interface.attributes)
##############################################
def paint(self):
self.paint_grid()
if nvpath is not None:
self.paint_path()
self.paint_textures()
self.paint_lines()
self.paint_text()
if LOG_GL_CALL:
six.print_('\n', '='*100)
for command in GL.called_commands():
six.print_('\n', '-'*50)
# six.print_(str(command))
six.print_(command._command.prototype())
six.print_(command.help())
##############################################
def paint_grid(self):
shader_program = self.shader_manager.fixed_shader_program
shader_program.bind()
GL.glLineWidth(1.)
shader_program.uniforms.colour = (1., 1., 1.)
self.grid_vertex_array.draw()
GL.glLineWidth(10.)
x = 150
GlFixedPipeline.draw_rectangle(-x, -x, x, x)
shader_program.unbind()
##############################################
def paint_path(self):
# Unbind shader /!\
# GL.glClearStencil(0)
# GL.glClearColor(0,0,0,0)
# # GL.glClear(GL.GL_COLOR_BUFFER_BIT)
# GL.glStencilMask(~0)
# GL.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_STENCIL_BUFFER_BIT)
filling = False # /!\ clear framebuffer
even_odd = True
stroking = True
if filling:
nvpath.glStencilFillPathNV(self.path_object, nvpath.GL_COUNT_UP_NV, 0x1F)
GL.glEnable(GL.GL_STENCIL_TEST)
if even_odd:
GL.glStencilFunc(GL.GL_NOTEQUAL, 0, 0x1)
else:
GL.glStencilFunc(GL.GL_NOTEQUAL, 0, 0x1F)
GL.glStencilOp(GL.GL_KEEP, GL.GL_KEEP, GL.GL_ZERO)
GL.glColor3f(0,1,0) # green
nvpath.glCoverFillPathNV(self.path_object, nvpath.GL_BOUNDING_BOX_NV)
if stroking:
nvpath.glStencilStrokePathNV(self.path_object, 0x1, ~0)
GL.glColor3f(1,1,0) # yellow
nvpath.glCoverStrokePathNV(self.path_object, nvpath.GL_CONVEX_HULL_NV)
##############################################
def paint_lines(self):
shader_program = self.shader_manager.fixed_shader_program
shader_program.bind()
GL.glLineWidth(1.)
shader_program.uniforms.colour = (0., 0., 1.)
self.simple_square_vertex_array.draw()
# try:
GL.glLineWidth(5.)
shader_program.uniforms.colour = (0., 0., 1.)
self.segment_vertex_array1.draw()
# del self.segment_vertex_array1
# except:
# pass
GL.glLineWidth(2.)
shader_program.uniforms.colour = (0., 1., 1.)
self.segment_vertex_array2.draw()
GL.glLineWidth(2.)
shader_program.uniforms.colour = (1., 0., 0.)
# six.print_('colour', shader_program.uniforms.colour)
self.segment_vertex_array3.draw()
shader_program = self.shader_manager.rectangle_shader_program
shader_program.bind()
GL.glLineWidth(2.)
shader_program.uniforms.colour = (1., 0., 1.)
self.rectangle_vertex_array.draw()
shader_program = self.shader_manager.centred_rectangle_shader_program
shader_program.bind()
GL.glLineWidth(2.)
shader_program.uniforms.colour = (8., 3., .5)
self.centred_rectangle_vertex_array.draw()
shader_program = self.shader_manager.wide_line_shader_program
shader_program.bind()
shader_program.uniforms.line_width = 2
shader_program.uniforms.colour = (1., 1., 1.)
self.line_vertex_array1.draw()
shader_program = self.shader_manager.stipple_line_shader_program
shader_program.bind()
shader_program.uniforms.line_width = 4
shader_program.uniforms.stipple_factor = 4
shader_program.uniforms.colour = (1., .8, .8)
self.stipple_texture.bind()
self.line_vertex_array2.draw()
self.stipple_texture.unbind()
shader_program.unbind()
##############################################
def paint_textures(self):
shader_program = self.shader_manager.texture_shader_program
shader_program.bind()
shader_program.uniforms.scale = float(2**16 - 1)
self.texture_vertex_array1.draw()
shader_program.uniforms.scale = float(2**8 - 1)
self.texture_vertex_array2.draw()
shader_program.unbind()
shader_program = self.shader_manager.texture_label_shader_program
# shader_program = self.shader_manager.texture_shader_program
shader_program.bind()
self.texture_vertex_array3.draw()
shader_program.unbind()
##############################################
def paint_text(self):
shader_program = self.shader_manager.text_shader_program
# shader_program.bind()
# shader_program.uniforms. ...
self.text_vertex_array.draw(shader_program)
class GlWidget(GlWidgetBase):
logger = logging.getLogger(__name__)
##############################################
def __init__(self, parent):
self.logger.debug('Initialise GlWidget')
super(GlWidget, self).__init__(parent)
##############################################
def wheelEvent(self, event):
self.logger.debug('Wheel Event')
return self.wheel_zoom(event)
##############################################
def init_glortho2d(self):
# Set max_area so as to correspond to max_binning zoom centered at the origin
area_size = 10**3
max_area = IntervalInt2D([-area_size, area_size], [-area_size, area_size])
super(GlWidget, self).init_glortho2d(max_area, zoom_manager=None)
##############################################
def initializeGL(self):
self.logger.debug('Initialise GL')
super(GlWidget, self).initializeGL()
GL.glEnable(GL.GL_POINT_SMOOTH)
GL.glEnable(GL.GL_LINE_SMOOTH)
# self.qglClearColor(QtCore.Qt.black)
# GL.glPointSize(5.)
# GL.glLineWidth(3.)
self._init_shader()
self.create_vertex_array_objects()
##############################################
def _init_shader(self):
self.logger.debug('Initialise Shader')
# try:
import ShaderProgramesV3 as ShaderProgrames
# except:
# #? QtGui.QApplication.instance().quit()
# import sys
# sys.exit(1)
self.shader_manager = ShaderProgrames.shader_manager
self.position_shader_interface = ShaderProgrames.position_shader_program_interface
# Fixme: share interface
self._viewport_uniform_buffer = GlUniformBuffer()
viewport_uniform_block = self.position_shader_interface.uniform_blocks.viewport
self._viewport_uniform_buffer.bind_buffer_base(viewport_uniform_block.binding_point)
##############################################
def update_model_view_projection_matrix(self):
self.logger.debug('Update Model View Projection Matrix'
'\n' + str(self.glortho2d))
# See also DSA http://www.opengl.org/registry/specs/EXT/direct_state_access.txt
#!# GL3.glMatrixMode(GL3.GL_PROJECTION)
#!# GL3.glLoadIdentity()
#!# GLU.gluOrtho2D(* self.glortho2d.ortho2d_bounding_box())
viewport_uniform_buffer_data = self.glortho2d.viewport_uniform_buffer_data(self.size())
self.logger.debug('Viewport Uniform Buffer Data '
'\n' + str(viewport_uniform_buffer_data))
self._viewport_uniform_buffer.set(viewport_uniform_buffer_data)
##############################################
def create_vertex_array_objects(self):
self.create_grid()
self.create_textures()
##############################################
def create_grid(self):
step = 10
x_min, x_max = -100, 100
y_min, y_max = -100, 100
segments = []
for x in xrange(x_min, x_max +1, step):
p1 = Point(x, y_min)
p2 = Point(x, y_max)
segments.append(Segment(p1, p2))
for y in xrange(y_min, y_max +1, step):
p1 = Point(y_min, y)
p2 = Point(y_max, y)
segments.append(Segment(p1, p2))
self.grid_vertex_array = GlSegmentVertexArray(segments)
self.grid_vertex_array.bind_to_shader(self.position_shader_interface.attributes.position)
##############################################
def create_textures(self):
depth = 16
if depth == 8:
data_type = np.uint8
elif depth == 16:
data_type = np.uint16
intensity_max = 2**depth -1
integer_internal_format = True
height, width = 10, 10
number_of_planes = 3
data = np.zeros((height, width, number_of_planes),
data_type)
for c in xrange(width):
data[:,c,:] = int((float(c+1) / width) * intensity_max)
# data[...] = intensity_max
# print data
self.image = data
self.texture_vertex_array1 = GlTextureVertexArray(position=Point(0, 0), dimension=Offset(width, height), image=data,
integer_internal_format=integer_internal_format)
self.texture_vertex_array1.bind_to_shader(self.shader_manager.texture_shader_program.interface.attributes)
# self.texture_vertex_array2 = GlTextureVertexArray(position=Point(-5, -5), dimension=Offset(width, height))
# self.texture_vertex_array2.set(image=data//2, integer_internal_format=integer_internal_format)
# self.texture_vertex_array2.bind_to_shader(self.shader_manager.texture_shader_program.interface.attributes)
from PIL import Image
image = Image.open('flower.png')
data = np.asarray(image, dtype=np.uint8)
print(data.shape)
self.texture_vertex_array2 = GlTextureVertexArray(position=Point(-5, -5), dimension=Offset(width, height))
self.texture_vertex_array2.set(image=data)
self.texture_vertex_array2.bind_to_shader(self.shader_manager.texture_shader_program.interface.attributes)
##############################################
def paint(self):
self.paint_grid()
self.paint_textures()
if LOG_GL_CALL:
six.print_('\n', '='*100)
for command in GL.called_commands():
six.print_('\n', '-'*50)
# six.print_(str(command))
six.print_(command._command.prototype())
six.print_(command.help())
##############################################
def paint_grid(self):
shader_program = self.shader_manager.fixed_shader_program
shader_program.bind()
GL.glLineWidth(2.)
shader_program.uniforms.colour = (1., 1., 1.)
self.grid_vertex_array.draw()
#!# GL.glLineWidth(3.)
#!# x = 25
#!# GlFixedPipeline.draw_rectangle(-x, -x, x, x)
shader_program.unbind()
##############################################
def paint_textures(self):
shader_program = self.shader_manager.texture_shader_program
shader_program.bind()
self.texture_vertex_array1.draw()
self.texture_vertex_array2.draw()
shader_program.unbind()
class GlWidget(GlWidgetBase3D):
logger = logging.getLogger(__name__)
##############################################
def __init__(self, parent):
self.logger.debug('Initialise GlWidget')
super(GlWidget, self).__init__(parent)
self._scale = 1.
##############################################
def initializeGL(self):
self.logger.debug('Initialise GL')
super(GlWidget, self).initializeGL()
# self.qglClearColor(Qt.black)
self._init_shader()
self.create_vertex_array_objects()
##############################################
def _init_shader(self):
self.logger.debug('Initialise Shader')
import ShaderProgrames3dV4 as ShaderProgrames
self.shader_manager = ShaderProgrames.shader_manager
self.basic_shader_interface = ShaderProgrames.basic_shader_program_interface
# Fixme: share interface
self._viewport_uniform_buffer = GlUniformBuffer()
viewport_uniform_block = self.basic_shader_interface.uniform_blocks.viewport
self._viewport_uniform_buffer.bind_buffer_base(viewport_uniform_block.binding_point)
##############################################
def wheelEvent(self, event):
self.logger.debug('Wheel Event')
return self.wheel_zoom(event)
##############################################
def wheel_zoom(self, event):
# self._logger.debug('Wheel Zoom')
if IS_PYQT5:
delta = event.angleDelta().y()
else:
delta = int(event.delta())
if delta == 120:
self._scale *= 1.1
else:
self._scale /= 1.1
self.update()
##############################################
def update_model_view_projection_matrix(self):
self.logger.debug('Update Model View Projection Matrix')
model_matrix = identity()
scale_factor = self._scale
scale(model_matrix, scale_factor, scale_factor, scale_factor)
rotate_x(model_matrix, self.rotation_x)
rotate_y(model_matrix, self.rotation_y)
model_view_matrix = look_at(model_matrix, (0, 0, 50), (0, 0, 0), (0, 1, 0))
# model_view_matrix = model_matrix
# Fixme: mat3 doesn't work
normal_matrix = np.zeros((4, 4), dtype=np.float32)
normal_matrix[:3,:3] = model_view_matrix[:3,:3] # without translation
w = 100
projection_matrix = ortho(-w, w, -w, w, -w, w)
# projection_matrix = frustum(-2, 2, -2, 2, 1, 3)
# projection_matrix = perspective(60, 16/9., 1, 3)
model_view_projection_matrix = np.dot(projection_matrix, model_view_matrix)
data = []
for item in (
model_view_matrix,
normal_matrix,
model_view_projection_matrix,
):
data += list(item.transpose().flatten())
viewport_array = np.array(data, dtype=np.float32)
self._viewport_uniform_buffer.set(viewport_array)
##############################################
def create_vertex_array_objects(self):
self.create_object()
##############################################
def create_object(self):
# self.object_vertex_array = cube(1, 1, 1)
# self.object_vertex_array = sphere(1)
# self.object_vertex_array = torus(1)
# stl_path = 'cube.stl'
# stl_path = 'cardan.stl'
# stl_path = 'teapot.stl'
stl_path = 'cow.stl'
# stl_path = 'wild-cow.stl'
stl_parser = StlParser(os.path.join(os.path.dirname(__file__), 'stl', stl_path))
self.object_vertex_array = stl_parser.to_vertex_array()
self.object_vertex_array.bind_to_shader(self.basic_shader_interface.attributes)
##############################################
def paint(self):
self.paint_object()
# six.print_('\n', '='*100)
# for command in GL.called_commands():
# six.print_('\n', '-'*50)
# # six.print_(str(command))
# six.print_(command._command.prototype())
# six.print_(command.help())
##############################################
def paint_object(self):
GL.glPolygonMode(GL.GL_FRONT_AND_BACK, GL.GL_FILL)
GL.glEnable(GL.GL_POLYGON_OFFSET_FILL)
GL.glPolygonOffset(1., 1.)
# shader_program = self.shader_manager.basic_shader_program
shader_program = self.shader_manager.lighting_shader_program
# shader_program.light.Position = (0, 0, 100, 1)
shader_program.bind()
self.object_vertex_array.draw()
GL.glDisable(GL.GL_POLYGON_OFFSET_FILL)
GL.glPolygonMode(GL.GL_FRONT_AND_BACK, GL.GL_LINE)
GL.glLineWidth(1.)
shader_program = self.shader_manager.fixed_colour_shader_program
shader_program.bind()
self.object_vertex_array.draw()
shader_program.unbind()
class GlWidget(GlWidgetBase):
_logger = _module_logger.getChild('GlWidget')
##############################################
def __init__(self, parent):
self._logger.debug('Initialise GlWidget')
super(GlWidget, self).__init__(parent)
self._application = QtWidgets.QApplication.instance()
self._previous_position = None
self._previous_position_screen = None
self._painter_manager = None
self.x_step = 1000
self.y_step = 1000
self.zoom_step = 2
self.rotation_step = 10
# Fixme
self._ready = False
##############################################
def init_tools(self):
pass
# from .Cropper import Cropper
# self.cropper = Cropper(self)
##############################################
def init_glortho2d(self):
# Set max_area so as to correspond to max_binning zoom centered at the origin
# Fixme: cf. last level
area_size = 10**12
max_area = IntervalInt2D([-area_size, area_size], [-area_size, area_size])
self._zoom_manager = ZoomManager()
self.glortho2d = RotatedOrtho2D(max_area, self._zoom_manager, self, bottom_up_y_axis=False)
self.scene = GraphicScene(self.glortho2d)
##############################################
def initializeGL(self):
self._logger.debug('Initialise GL')
super(GlWidget, self).initializeGL()
self._init_shader()
self._ready = False
##############################################
def _init_shader(self):
self._logger.debug('Initialise Shader')
from PyGeoPortail.GraphicEngine import ShaderProgrames as ShaderProgrames
self.shader_manager = ShaderProgrames.shader_manager
self.position_shader_interface = ShaderProgrames.program_interfaces['position_shader_program_interface']
# Fixme: share interface
self._viewport_uniform_buffer = GlUniformBuffer()
viewport_uniform_block = self.position_shader_interface.uniform_blocks.viewport
self._viewport_uniform_buffer.bind_buffer_base(viewport_uniform_block.binding_point)
##############################################
def update_model_view_projection_matrix(self):
self._logger.debug(str(self.glortho2d))
viewport_uniform_buffer_data = self.glortho2d.viewport_uniform_buffer_data(self.size())
self._viewport_uniform_buffer.set(viewport_uniform_buffer_data)
##############################################
def zoom_one(self):
self.glortho2d.zoom_at_center(1.)
self.update_painter_manager()
##############################################
def zoom_at_with_scale(self, x, y, zoom_factor):
location = Vector(x, y)
self.glortho2d.zoom_at_with_scale(location, zoom_factor)
self.update_painter_manager()
##############################################
def zoom_at(self, x, y):
location = Vector(x, y)
self.glortho2d.zoom_at(location)
self.update_painter_manager()
##############################################
def zoom_interval(self, interval):
self.glortho2d.zoom_interval(interval)
self.update_painter_manager()
##############################################
def translate_x(self, dx):
self.glortho2d.translate(dx, XAXIS)
self.update_painter_manager()
##############################################
def translate_y(self, dy):
self.glortho2d.translate(dy, YAXIS)
self.update_painter_manager()
##############################################
def translate_xy(self, dxy):
self.glortho2d.translate(dxy, XYAXIS)
self.update_painter_manager()
##############################################
def wheel_zoom(self, event):
self._logger.debug('Wheel Zoom')
position = self.window_to_gl_coordinate(event)
zoom_factor = self.glortho2d.zoom_manager.zoom_factor
delta = event.angleDelta().y()
if delta == 120:
zoom_factor *= self.zoom_step
else:
zoom_factor /= self.zoom_step
self.glortho2d.zoom_at_with_scale(position, zoom_factor)
self.update_painter_manager()
##############################################
def wheel_rotate(self, event):
self._logger.debug('Wheel Rotate')
delta = event.angleDelta().y()
rotation_step = self.rotation_step
if delta == 120:
rotation_step *= -1
self.glortho2d.rotate(rotation_step)
self.update_painter_manager()
##############################################
def update_painter_manager(self):
self._logger.debug('')
if self._ready:
with GL.error_checker():
self._painter_manager.update()
##############################################
# @opengl_context
def update(self):
self._logger.debug('')
self.makeCurrent()
self.update_model_view_projection_matrix()
QOpenGLWidget.update(self)
# self.emit(QtCore.SIGNAL('update()'))
# if self._ready:
# self._update_zoom_status()
##############################################
def paint(self):
if self._ready:
with GL.error_checker():
self._painter_manager.paint()
##############################################
def event_position(self, event):
""" Convert mouse coordinate
"""
self._logger.info("{} {}".format(event.x(), event.y()))
return np.array((event.x(), event.y()), dtype=np.int) # int for subtraction
##############################################
def _set_previous_position(self, position, position_screen):
self._previous_position = position
self._previous_position_screen = position_screen
##############################################
def mousePressEvent(self, event):
self._logger.info("")
if not (event.buttons() & QtCore.Qt.LeftButton):
return
tool_bar = self._application.main_window.tool_bar
current_tool = tool_bar.current_tool()
if current_tool in (tool_bar.crop_tool_action,):
scene_match = self.scene.mousePressEvent(event)
if not scene_match:
if current_tool is tool_bar.crop_tool_action:
self.cropper.begin(event) # Fixme: call mousePressEvent
else:
if current_tool is tool_bar.position_tool_action:
position = self.window_to_gl_coordinate(event, round_to_integer=False)
self.show_coordinate(position)
self._set_previous_position(position, self.event_position(event))
##############################################
def mouseReleaseEvent(self, event):
self._logger.info("")
button = event.button()
if button & QtCore.Qt.RightButton:
self.contextual_menu.exec_(event.globalPos())
elif button & QtCore.Qt.LeftButton:
tool_bar = self._application.main_window.tool_bar
current_tool = tool_bar.current_tool()
# if current_tool is tool_bar.position_tool_action:
# position = self.window_to_gl_coordinate(event, round_to_integer=False)
# dxy = self._previous_position - position
# self.translate_xy(dxy)
# self._set_previous_position(position)
if current_tool is tool_bar.crop_tool_action:
self.cropper.end(event) # Fixme: call mouseReleaseEvent
self._logger.info(str(self.cropper.interval))
##############################################
def wheelEvent(self, event):
if event.modifiers() == QtCore.Qt.ControlModifier:
return self.wheel_rotate(event)
else:
return self.wheel_zoom(event)
##############################################
def mouseMoveEvent(self, event):
self._logger.info("")
if not (event.buttons() & QtCore.Qt.LeftButton):
return
tool_bar = self._application.main_window.tool_bar
current_tool = tool_bar.current_tool()
if current_tool is tool_bar.position_tool_action:
position_screen = self.event_position(event)
dxy_screen = self._previous_position_screen - position_screen
# Fixme: if out of viewer position = -1exxx
position = self.window_to_gl_coordinate(event, round_to_integer=False)
dxy = self._previous_position - position
# dxy *= [1, -1]
self._logger.info("{} {} / {} {}".format(dxy_screen[0], dxy_screen[1], int(dxy[0]), int(dxy[0])))
dxy_screen *= self.glortho2d.parity_display_scale
self.translate_xy(dxy_screen)
self._set_previous_position(position, position_screen)
self.show_coordinate(position)
elif current_tool is tool_bar.crop_tool_action:
self.cropper.update(event) # Fixme: call mouseMoveEvent
##############################################
def show_coordinate(self, position):
x, y = position
self._application.main_window.status_bar.update_coordinate_status(x, y)
class GlWidget(GlWidgetBase):
_logger = _module_logger.getChild('GlWidget')
##############################################
def __init__(self, parent, main_window):
self._logger.debug('Initialise GlWidget')
super(GlWidget, self).__init__(parent)
self._application = QtGui.QApplication.instance()
self._main_window = main_window # self._application.main_window # not yet initialised
self.x_step = 5 # mm
self.y_step = 5 # mm
self.zoom_step = 1.10 # must be float
##############################################
def init_glortho2d(self):
# Set max_area so as to correspond to max_binning zoom centered at the origin
a0_width = 840 # mm
a0_height = 1189
max_area = IntervalInt2D([0, a0_height], [0, a0_height])
max_area.enlarge(a0_height)
super(GlWidget, self).init_glortho2d(max_area, zoom_manager=None)
##############################################
def initializeGL(self):
self._logger.debug('Initialise GL')
super(GlWidget, self).initializeGL()
GL.glEnable(GL.GL_POINT_SMOOTH) #compat#
GL.glEnable(GL.GL_LINE_SMOOTH) #compat#
self._init_shader()
self._paint_page = False
##############################################
def _init_shader(self):
self._logger.debug('Initialise Shader')
import ShaderProgramesV4 as ShaderProgrames
self.shader_manager = ShaderProgrames.shader_manager
self.position_shader_interface = ShaderProgrames.position_shader_program_interface
self.rule_shader_interface = ShaderProgrames.rule_shader_program_interface
self.text_shader_interface = ShaderProgrames.text_shader_program_interface
# Fixme: share interface
self._viewport_uniform_buffer = GlUniformBuffer()
viewport_uniform_block = self.position_shader_interface.uniform_blocks.viewport
self._viewport_uniform_buffer.bind_buffer_base(
viewport_uniform_block.binding_point)
##############################################
def update_model_view_projection_matrix(self):
self._logger.debug('Update Model View Projection Matrix'
'\n' + str(self.glortho2d))
viewport_uniform_buffer_data = self.glortho2d.viewport_uniform_buffer_data(
self.size())
self._logger.debug('Viewport Uniform Buffer Data '
'\n' + str(viewport_uniform_buffer_data))
self._viewport_uniform_buffer.set(viewport_uniform_buffer_data)
##############################################
def _create_page_layout(self, width, height):
self._page_width = width
self._page_height = height
# (page_x_min, page_y_min,
# text_width, text_height) = map(sp2mm,
# (page_bounding_box.x.inf,
# page_bounding_box.y.inf,
# page_bounding_box.x.length(),
# page_bounding_box.y.length(),
# ))
rectangles = (Rectangle(Point(0, 0), Offset(width, height)), )
self.rectangle_vertex_array = GlRectangleVertexArray(rectangles)
self.rectangle_vertex_array.bind_to_shader(
self.position_shader_interface.attributes.position)
segments = []
grid_spacing = 5
x = grid_spacing
while x < width:
p1 = Point(x, 0)
p2 = Point(x, height)
segments.append(Segment(p1, p2))
x += grid_spacing
y = grid_spacing
while y < height:
p1 = Point(0, y)
p2 = Point(width, y)
segments.append(Segment(p1, p2))
y += grid_spacing
self.grid_vertex_array = GlSegmentVertexArray(segments)
self.grid_vertex_array.bind_to_shader(
self.position_shader_interface.attributes.position)
##############################################
def update_dvi(self, dvi_machine):
self._logger.info('Update DVI')
self._text_vertex_arrays = []
for font_id, glyphs in dvi_machine.glyphs.iteritems():
texture_font = dvi_machine.texture_fonts[font_id]
# texture_font.atlas.save(texture_font.name + '.png')
font_atlas_texture = ImageTexture(texture_font.atlas.data)
positions, bounding_boxes, texture_coordinates, colours = glyphs
items = (positions, texture_coordinates, colours)
text_vertex_array = TextVertexArray(font_atlas_texture, items)
text_vertex_array.bind_to_shader(
self.text_shader_interface.attributes)
self._text_vertex_arrays.append(text_vertex_array)
# for glyph in glyphs:
# glyph_bounding_box, char_bounding_box, glyph_texture_coordinates = glyph
# x, y, width, height = char_bounding_box
# rectangles.append(Rectangle(Point(x, y), Offset(width, height)))
# self._char_bounding_box_vertex_array = GlRectangleVertexArray(rectangles)
# self._char_bounding_box_vertex_array.bind_to_shader(self.position_shader_interface.attributes.position)
self._rule_vertex_array = RuleVertexArray(
(dvi_machine.rule_positions, dvi_machine.rule_dimensions,
dvi_machine.rule_colours))
self._rule_vertex_array.bind_to_shader(
self.rule_shader_interface.attributes)
width = dvi_machine.current_opcode_program.width
height = dvi_machine.current_opcode_program.height
if not width or not height:
first_page = dvi_machine.dvi_program[0]
width, height = first_page.width, first_page.height
if not width or not height:
self._logger.warning('Page size is null')
width, height = 210, 297 # use A4
self._create_page_layout(width, height)
self._logger.info('update DVI done')
self._paint_page = True
self.fit_document()
##############################################
def update(self):
super(GlWidget, self).update()
if self._paint_page:
self._update_zoom_status()
##############################################
def resizeGL(self, width, height):
super(GlWidget, self).resizeGL(width, height)
dpi = self._application.platform.screens[0].dpi[0]
self._width_widget_mm = width / float(dpi) * 25.4
##############################################
def _update_zoom_status(self):
# xdpyinfo:
# dimensions: 1600x900 pixels (423x238 millimeters) # Wrong !!!
# resolution: 96x96 dots per inch
# monitor-edid:
# Screen size: 30.9 cm x 17.4 cm (13.96 inches, aspect ratio 16/9 = 1.78)
# 1600/(309./25.4) -> 131 dpi
# gl_zoom = self.glortho2d.zoom_manager.zoom_factor
area = self.glortho2d.viewport_area.area
zoom = self._width_widget_mm / area.x.length()
self._main_window.status_bar.update_zoom_status(zoom)
##############################################
def paint(self):
self._logger.info('')
# Clear the buffer using white colour (white paper)
GL.glClearColor(1, 1, 1, 1)
GL.glClear(GL.GL_COLOR_BUFFER_BIT)
if self._paint_page:
self._paint_page_layout()
self._paint_text()
##############################################
def _paint_page_layout(self):
self._logger.debug('')
shader_program = self.shader_manager.rectangle_shader_program
shader_program.bind()
# GL.glLineWidth(1.)
shader_program.uniforms.colour = (.0, 0., .0)
self.rectangle_vertex_array.draw()
if False:
shader_program = self.shader_manager.fixed_shader_program
shader_program.bind()
# GL.glLineWidth(.1) # Fixme: do in shader ...
shader_program.uniforms.colour = (.0, .0, .1)
self.grid_vertex_array.draw()
shader_program.unbind()
##############################################
def _paint_text(self):
shader_program = self.shader_manager.text_shader_program
# shader_program.bind()
# shader_program.uniforms. ...
for text_vertex_array in self._text_vertex_arrays:
self._logger.debug('paint text')
text_vertex_array.draw(shader_program)
# shader_program.unbind()
if False:
self._logger.debug('Paint char bounding boxes')
shader_program = self.shader_manager.rectangle_shader_program
shader_program.bind()
# GL.glLineWidth(1.)
shader_program.uniforms.colour = (1., 0., 0.)
self._char_bounding_box_vertex_array.draw()
self._logger.debug('Paint rules')
# Fixme: anti-alias
shader_program = self.shader_manager.rule_shader_program
shader_program.bind()
self._rule_vertex_array.draw()
##############################################
def wheelEvent(self, event):
self._logger.debug('Wheel Event')
return self.wheel_zoom(event)
##############################################
def mousePressEvent(self, event):
if event.buttons() & QtCore.Qt.LeftButton:
self._show_coordinate(event)
##############################################
def mouseMoveEvent(self, event):
self._show_coordinate(event)
##############################################
def _show_coordinate(self, event):
coordinate = self.window_to_gl_coordinate(event)
x, y = coordinate
y = self._page_height - y
self._main_window.status_bar.update_coordinate_status(x, y)
##############################################
def fit_width(self):
if self._paint_page:
self.glortho2d.fit_axis(self._page_width, XAXIS)
self.update()
##############################################
def fit_document(self):
if self._paint_page:
interval = IntervalInt2D((0, self._page_width),
(0, self._page_height))
interval.enlarge(10) # mm
self.zoom_interval(interval)
##############################################
def translate_x(self, dx):
area = self.glortho2d.viewport_area.area
# Fixme: cf. check_axis_interval
if ((dx > 0 and area.x.sup + dx <= self._page_width)
or (dx < 0 and area.x.inf + dx >= 0)):
self.glortho2d.translate(dx, XAXIS)
self.update()
##############################################
def translate_y(self, dy):
area = self.glortho2d.viewport_area.area
# Fixme: cf. check_axis_interval
if ((dy > 0 and area.y.sup + dy <= self._page_height)
or (dy < 0 and area.y.inf + dy >= 0)):
self.glortho2d.translate(dy, YAXIS)
self.update()
##############################################
def zoom_in_out(self, direction):
zoom_factor = self.glortho2d.zoom_manager.zoom_factor
if direction > 0:
zoom_factor *= self.zoom_step
else:
zoom_factor /= self.zoom_step
self.glortho2d.zoom_at_center(zoom_factor)
self.update()
