#------------------------------------------------------------------------------
# Copyright (c) 2005, Enthought, Inc.
# some parts copyright Space Telescope Science Institute
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in enthought/LICENSE.txt and may be redistributed only
# under the conditions described in the aforementioned license.  The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
# Thanks for using Enthought open source!
#------------------------------------------------------------------------------
""" Constants used by core2d drawing engine. """

from numpy import array

#--------------------------------------------------------------------
# Line Dash Constants
#--------------------------------------------------------------------
NO_DASH = (0,array([0]))

#--------------------------------------------------------------------
# Line Cap Constants
#--------------------------------------------------------------------

CAP_ROUND  = 0
CAP_BUTT   = 1
CAP_SQUARE = 2

#--------------------------------------------------------------------
# Line Join Constants
#--------------------------------------------------------------------

JOIN_ROUND = 0
JOIN_BEVEL = 1
JOIN_MITER = 2

#--------------------------------------------------------------------
# Path Drawing Mode Constants
#
# Path drawing modes for path drawing methods.
# The values are chosen so that bit flags can be checked in a later
# C version.
#--------------------------------------------------------------------

FILL            = 1
EOF_FILL        = 2
STROKE          = 4
FILL_STROKE     = 5
EOF_FILL_STROKE = 6

#-----------------------------------------------------------------------------
# Font Constants
#-----------------------------------------------------------------------------

NORMAL = 0
BOLD   = 1
ITALIC = 2
BOLD_ITALIC = 3

# Font families, as defined by the Windows API, and their CSS equivalents
DEFAULT     = 0
SWISS       = 1     # Sans-serif
ROMAN       = 2     # Serif
MODERN      = 3     # Monospace
DECORATIVE  = 4     # Fantasy
SCRIPT      = 5     # Cursive
TELETYPE    = 6

#-----------------------------------------------------------------------------
# Text Drawing Mode Constants
#-----------------------------------------------------------------------------

TEXT_FILL               = 0
TEXT_STROKE             = 1
TEXT_FILL_STROKE        = 2
TEXT_INVISIBLE          = 3
TEXT_FILL_CLIP          = 4
TEXT_STROKE_CLIP        = 5
TEXT_FILL_STROKE_CLIP   = 6
TEXT_CLIP               = 7
TEXT_OUTLINE            = 8

#-----------------------------------------------------------------------------
# Subpath Drawing Primitive Constants
#
# Used by the drawing state machine to determine what object to draw.
#-----------------------------------------------------------------------------

POINT         = 0
LINE          = 1
LINES         = 2
RECT          = 3
CLOSE         = 4
CURVE_TO      = 5
QUAD_CURVE_TO = 6
ARC           = 7
ARC_TO        = 8


#-----------------------------------------------------------------------------
# Subpath CTM Constants
#
# These are added so its possible for OpenGL to do the matrix transformations
# on the data (its much faster than doing it with Numeric).
#-----------------------------------------------------------------------------

SCALE_CTM      = 5
TRANSLATE_CTM  = 6
ROTATE_CTM     = 7
CONCAT_CTM     = 8
LOAD_CTM       = 9


#-----------------------------------------------------------------------------
# Marker Types
#
# These are the marker types for draw_marker_at_points.  Some backends
# (like Agg) have fast implementations for these; other backends manually
# construct the paths representing these markers.
#
# Note that draw_marker_at_points takes a marker name as a string.
#-----------------------------------------------------------------------------

NO_MARKER = 0
SQUARE_MARKER = 1
DIAMOND_MARKER = 2
CIRCLE_MARKER = 3
CROSSED_CIRCLE_MARKER = 4
CROSS_MARKER = 5
TRIANGLE_MARKER = 6
INVERTED_TRIANGLE_MARKER = 7
PLUS_MARKER = 8
DOT_MARKER = 9
PIXEL_MARKER = 10

#EOF