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Diffstat (limited to 'mvc/widgets/osx/drawing.py')
| -rw-r--r-- | mvc/widgets/osx/drawing.py | 289 |
1 files changed, 0 insertions, 289 deletions
diff --git a/mvc/widgets/osx/drawing.py b/mvc/widgets/osx/drawing.py deleted file mode 100644 index aaad1e9..0000000 --- a/mvc/widgets/osx/drawing.py +++ /dev/null @@ -1,289 +0,0 @@ -# @Base: Miro - an RSS based video player application -# Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011 -# Participatory Culture Foundation -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA -# -# In addition, as a special exception, the copyright holders give -# permission to link the code of portions of this program with the OpenSSL -# library. -# -# You must obey the GNU General Public License in all respects for all of -# the code used other than OpenSSL. If you modify file(s) with this -# exception, you may extend this exception to your version of the file(s), -# but you are not obligated to do so. If you do not wish to do so, delete -# this exception statement from your version. If you delete this exception -# statement from all source files in the program, then also delete it here. - -"""miro.plat.frontend.widgets.drawing -- Draw on Views.""" - -import math - -from Foundation import * -from AppKit import * -#from Quartz import * -from objc import YES, NO, nil - - -class ImageSurface: - """See https://develop.participatoryculture.org/index.php/WidgetAPI for a description of the API for this class.""" - def __init__(self, image): - """Create a new ImageSurface.""" - self.image = image.nsimage.copy() - self.width = image.width - self.height = image.height - - def get_size(self): - return self.width, self.height - - def draw(self, context, x, y, width, height, fraction=1.0): - if self.width == 0 or self.height == 0: - return - current_context = NSGraphicsContext.currentContext() - current_context.setShouldAntialias_(YES) - current_context.setImageInterpolation_(NSImageInterpolationHigh) - current_context.saveGraphicsState() - flip_context(y + height) - dest_rect = NSMakeRect(x, 0, width, height) - if self.width >= width and self.height >= height: - # drawing to area smaller than our image - source_rect = NSMakeRect(0, 0, width, height) - self.image.drawInRect_fromRect_operation_fraction_( - dest_rect, source_rect, NSCompositeSourceOver, fraction) - else: - # drawing to area larger than our image. Need to tile it. - NSColor.colorWithPatternImage_(self.image).set() - current_context.setPatternPhase_( - self._calc_pattern_phase(context, x, y)) - NSBezierPath.fillRect_(dest_rect) - current_context.restoreGraphicsState() - - def draw_rect(self, context, dest_x, dest_y, source_x, source_y, width, - height, fraction=1.0): - if width == 0 or height == 0: - return - current_context = NSGraphicsContext.currentContext() - current_context.setShouldAntialias_(YES) - current_context.setImageInterpolation_(NSImageInterpolationHigh) - current_context.saveGraphicsState() - flip_context(dest_y + height) - dest_y = 0 - dest_rect = NSMakeRect(dest_x, dest_y, width, height) - source_rect = NSMakeRect(source_x, self.height-source_y-height, - width, height) - self.image.drawInRect_fromRect_operation_fraction_( - dest_rect, source_rect, NSCompositeSourceOver, fraction) - current_context.restoreGraphicsState() - - def _calc_pattern_phase(self, context, x, y): - """Calculate the pattern phase to draw tiled images. - - When we draw with a pattern, we want the image in the pattern to start - at the top-left of where we're drawing to. This function does the - dirty work necessary. - - :returns: NSPoint to send to setPatternPhase_ - """ - # convert to view coords - view_point = NSPoint(context.origin.x + x, context.origin.y + y) - # convert to window coords, which is setPatternPhase_ uses - return context.view.convertPoint_toView_(view_point, nil) - -def convert_cocoa_color(color): - rgb = color.colorUsingColorSpaceName_(NSDeviceRGBColorSpace) - return (rgb.redComponent(), rgb.greenComponent(), rgb.blueComponent()) - -def convert_widget_color(color, alpha=1.0): - return NSColor.colorWithDeviceRed_green_blue_alpha_(color[0], color[1], - color[2], alpha) -def flip_context(height): - """Make the current context's coordinates flipped. - - This is useful for drawing images, since they use the normal cocoa - coordinates and we use flipped versions. - - :param height: height of the current area we are drawing to. - """ - xform = NSAffineTransform.transform() - xform.translateXBy_yBy_(0, height) - xform.scaleXBy_yBy_(1.0, -1.0) - xform.concat() - -class DrawingStyle(object): - """See https://develop.participatoryculture.org/index.php/WidgetAPI for a description of the API for this class.""" - def __init__(self, bg_color=None, text_color=None): - self.use_custom_style = True - if text_color is None: - self.text_color = self.default_text_color - else: - self.text_color = convert_cocoa_color(text_color) - if bg_color is None: - self.bg_color = self.default_bg_color - else: - self.bg_color = convert_cocoa_color(bg_color) - - default_text_color = convert_cocoa_color(NSColor.textColor()) - default_bg_color = convert_cocoa_color(NSColor.textBackgroundColor()) - -class DrawingContext: - """See https://develop.participatoryculture.org/index.php/WidgetAPI for a description of the API for this class.""" - def __init__(self, view, drawing_area, rect): - self.view = view - self.path = NSBezierPath.bezierPath() - self.color = NSColor.blackColor() - self.width = drawing_area.size.width - self.height = drawing_area.size.height - self.origin = drawing_area.origin - if drawing_area.origin != NSZeroPoint: - xform = NSAffineTransform.transform() - xform.translateXBy_yBy_(drawing_area.origin.x, - drawing_area.origin.y) - xform.concat() - - def move_to(self, x, y): - self.path.moveToPoint_(NSPoint(x, y)) - - def rel_move_to(self, dx, dy): - self.path.relativeMoveToPoint_(NSPoint(dx, dy)) - - def line_to(self, x, y): - self.path.lineToPoint_(NSPoint(x, y)) - - def rel_line_to(self, dx, dy): - self.path.relativeLineToPoint_(NSPoint(dx, dy)) - - def curve_to(self, x1, y1, x2, y2, x3, y3): - self.path.curveToPoint_controlPoint1_controlPoint2_( - NSPoint(x3, y3), NSPoint(x1, y1), NSPoint(x2, y2)) - - def rel_curve_to(self, dx1, dy1, dx2, dy2, dx3, dy3): - self.path.relativeCurveToPoint_controlPoint1_controlPoint2_( - NSPoint(dx3, dy3), NSPoint(dx1, dy1), NSPoint(dx2, dy2)) - - def arc(self, x, y, radius, angle1, angle2): - angle1 = (angle1 * 360) / (2 * math.pi) - angle2 = (angle2 * 360) / (2 * math.pi) - center = NSPoint(x, y) - self.path.appendBezierPathWithArcWithCenter_radius_startAngle_endAngle_(center, radius, angle1, angle2) - - def arc_negative(self, x, y, radius, angle1, angle2): - angle1 = (angle1 * 360) / (2 * math.pi) - angle2 = (angle2 * 360) / (2 * math.pi) - center = NSPoint(x, y) - self.path.appendBezierPathWithArcWithCenter_radius_startAngle_endAngle_clockwise_(center, radius, angle1, angle2, YES) - - def rectangle(self, x, y, width, height): - rect = NSMakeRect(x, y, width, height) - self.path.appendBezierPathWithRect_(rect) - - def set_color(self, color, alpha=1.0): - self.color = convert_widget_color(color, alpha) - self.color.set() - - def set_shadow(self, color, opacity, offset, blur_radius): - shadow = NSShadow.alloc().init() - # shadow offset is always in the cocoa coordinates, so we need to - # reverse the y part - shadow.setShadowOffset_(NSPoint(offset[0], -offset[1])) - shadow.setShadowBlurRadius_(blur_radius) - shadow.setShadowColor_(convert_widget_color(color, opacity)) - shadow.set() - - def set_line_width(self, width): - self.path.setLineWidth_(width) - - def stroke(self): - self.path.stroke() - self.path.removeAllPoints() - - def stroke_preserve(self): - self.path.stroke() - - def fill(self): - self.path.fill() - self.path.removeAllPoints() - - def fill_preserve(self): - self.path.fill() - - def clip(self): - self.path.addClip() - self.path.removeAllPoints() - - def save(self): - NSGraphicsContext.currentContext().saveGraphicsState() - - def restore(self): - NSGraphicsContext.currentContext().restoreGraphicsState() - - def gradient_fill(self, gradient): - self.gradient_fill_preserve(gradient) - self.path.removeAllPoints() - - def gradient_fill_preserve(self, gradient): - context = NSGraphicsContext.currentContext() - context.saveGraphicsState() - self.path.addClip() - gradient.draw() - context.restoreGraphicsState() - -class Gradient(object): - """See https://develop.participatoryculture.org/index.php/WidgetAPI for a description of the API for this class.""" - def __init__(self, x1, y1, x2, y2): - self.x1, self.y1, self.x2, self.y2 = x1, y1, x2, y2 - self.start_color = None - self.end_color = None - - def set_start_color(self, (red, green, blue)): - self.start_color = (red, green, blue) - - def set_end_color(self, (red, green, blue)): - self.end_color = (red, green, blue) - - def draw(self): - start_color = convert_widget_color(self.start_color) - end_color = convert_widget_color(self.end_color) - nsgradient = NSGradient.alloc().initWithStartingColor_endingColor_(start_color, end_color) - start_point = NSPoint(self.x1, self.y1) - end_point = NSPoint(self.x2, self.y2) - nsgradient.drawFromPoint_toPoint_options_(start_point, end_point, 0) - -class DrawingMixin(object): - def calc_size_request(self): - return self.size_request(self.view.layout_manager) - - # squish width / squish height only make sense on GTK - def set_squish_width(self, setting): - pass - - def set_squish_height(self, setting): - pass - - # Default implementations for methods that subclasses override. - - def is_opaque(self): - return False - - def size_request(self, layout_manager): - return 0, 0 - - def draw(self, context, layout_manager): - pass - - def viewport_repositioned(self): - # since this is a Mixin class, we want to make sure that our other - # classes see the viewport_repositioned() call. - super(DrawingMixin, self).viewport_repositioned() - self.queue_redraw() |