From 5476da8aa3f4ee424f56f4f2491e7af1c4b7b758 Mon Sep 17 00:00:00 2001 From: Hamilton Kibbe Date: Thu, 21 Jan 2016 03:57:44 -0500 Subject: Fix a bunch of rendering bugs. - 'clear' polarity primitives no longer erase background - Added aperture macro support for polygons - Added aperture macro rendring support - Renderer now creates a new surface for each layer and merges them instead of working directly on a single surface - Updated examples accordingly --- gerber/render/cairo_backend.py | 255 +++++++++++++++++++++++------------------ gerber/render/render.py | 8 +- gerber/render/theme.py | 4 +- 3 files changed, 148 insertions(+), 119 deletions(-) (limited to 'gerber/render') diff --git a/gerber/render/cairo_backend.py b/gerber/render/cairo_backend.py index 4e71e75..cc2722a 100644 --- a/gerber/render/cairo_backend.py +++ b/gerber/render/cairo_backend.py @@ -17,8 +17,6 @@ import cairocffi as cairo -from operator import mul -import math import tempfile from .render import GerberContext, RenderSettings @@ -32,11 +30,14 @@ except(ImportError): class GerberCairoContext(GerberContext): + def __init__(self, scale=300): - GerberContext.__init__(self) + super(GerberCairoContext, self).__init__() self.scale = (scale, scale) self.surface = None self.ctx = None + self.active_layer = None + self.output_ctx = None self.bg = False self.mask = None self.mask_ctx = None @@ -46,37 +47,40 @@ class GerberCairoContext(GerberContext): @property def origin_in_pixels(self): - return tuple(map(mul, self.origin_in_inch, self.scale)) if self.origin_in_inch is not None else (0.0, 0.0) + return (self.scale_point(self.origin_in_inch) + if self.origin_in_inch is not None else (0.0, 0.0)) @property def size_in_pixels(self): - return tuple(map(mul, self.size_in_inch, self.scale)) if self.size_in_inch is not None else (0.0, 0.0) + return (self.scale_point(self.size_in_inch) + if self.size_in_inch is not None else (0.0, 0.0)) def set_bounds(self, bounds, new_surface=False): origin_in_inch = (bounds[0][0], bounds[1][0]) - size_in_inch = (abs(bounds[0][1] - bounds[0][0]), abs(bounds[1][1] - bounds[1][0])) - size_in_pixels = tuple(map(mul, size_in_inch, self.scale)) + size_in_inch = (abs(bounds[0][1] - bounds[0][0]), + abs(bounds[1][1] - bounds[1][0])) + size_in_pixels = self.scale_point(size_in_inch) self.origin_in_inch = origin_in_inch if self.origin_in_inch is None else self.origin_in_inch self.size_in_inch = size_in_inch if self.size_in_inch is None else self.size_in_inch if (self.surface is None) or new_surface: self.surface_buffer = tempfile.NamedTemporaryFile() - self.surface = cairo.SVGSurface(self.surface_buffer, size_in_pixels[0], size_in_pixels[1]) - self.ctx = cairo.Context(self.surface) - self.ctx.set_fill_rule(cairo.FILL_RULE_EVEN_ODD) - self.ctx.scale(1, -1) - self.ctx.translate(-(origin_in_inch[0] * self.scale[0]), (-origin_in_inch[1]*self.scale[0]) - size_in_pixels[1]) - self.mask = cairo.SVGSurface(None, size_in_pixels[0], size_in_pixels[1]) - self.mask_ctx = cairo.Context(self.mask) - self.mask_ctx.set_fill_rule(cairo.FILL_RULE_EVEN_ODD) - self.mask_ctx.scale(1, -1) - self.mask_ctx.translate(-(origin_in_inch[0] * self.scale[0]), (-origin_in_inch[1]*self.scale[0]) - size_in_pixels[1]) - self._xform_matrix = cairo.Matrix(xx=1.0, yy=-1.0, x0=-self.origin_in_pixels[0], y0=self.size_in_pixels[1] + self.origin_in_pixels[1]) + self.surface = cairo.SVGSurface( + self.surface_buffer, size_in_pixels[0], size_in_pixels[1]) + self.output_ctx = cairo.Context(self.surface) + self.output_ctx.set_fill_rule(cairo.FILL_RULE_EVEN_ODD) + self.output_ctx.scale(1, -1) + self.output_ctx.translate(-(origin_in_inch[0] * self.scale[0]), + (-origin_in_inch[1] * self.scale[0]) - size_in_pixels[1]) + self._xform_matrix = cairo.Matrix(xx=1.0, yy=-1.0, + x0=-self.origin_in_pixels[0], + y0=self.size_in_pixels[1] + self.origin_in_pixels[1]) def render_layers(self, layers, filename, theme=THEMES['default']): """ Render a set of layers """ self.set_bounds(layers[0].bounds, True) self._paint_background(True) + for layer in layers: self._render_layer(layer, theme) self.dump(filename) @@ -114,158 +118,181 @@ class GerberCairoContext(GerberContext): self.color = settings.color self.alpha = settings.alpha self.invert = settings.invert + + # Get a new clean layer to render on + self._new_render_layer() if settings.mirror: raise Warning('mirrored layers aren\'t supported yet...') - if self.invert: - self._clear_mask() for prim in layer.primitives: self.render(prim) - if self.invert: - self._render_mask() + # Add layer to image + self._flatten() def _render_line(self, line, color): - start = map(mul, line.start, self.scale) - end = map(mul, line.end, self.scale) + start = [pos * scale for pos, scale in zip(line.start, self.scale)] + end = [pos * scale for pos, scale in zip(line.end, self.scale)] if not self.invert: - ctx = self.ctx - ctx.set_source_rgba(*color, alpha=self.alpha) - ctx.set_operator(cairo.OPERATOR_OVER if line.level_polarity == "dark" else cairo.OPERATOR_CLEAR) + self.ctx.set_source_rgba(*color, alpha=self.alpha) + self.ctx.set_operator(cairo.OPERATOR_OVER + if line.level_polarity == 'dark' + else cairo.OPERATOR_CLEAR) else: - ctx = self.mask_ctx - ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0) - ctx.set_operator(cairo.OPERATOR_CLEAR) + self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0) + self.ctx.set_operator(cairo.OPERATOR_CLEAR) if isinstance(line.aperture, Circle): width = line.aperture.diameter - ctx.set_line_width(width * self.scale[0]) - ctx.set_line_cap(cairo.LINE_CAP_ROUND) - ctx.move_to(*start) - ctx.line_to(*end) - ctx.stroke() + self.ctx.set_line_width(width * self.scale[0]) + self.ctx.set_line_cap(cairo.LINE_CAP_ROUND) + self.ctx.move_to(*start) + self.ctx.line_to(*end) + self.ctx.stroke() elif isinstance(line.aperture, Rectangle): - points = [tuple(map(mul, x, self.scale)) for x in line.vertices] - ctx.set_line_width(0) - ctx.move_to(*points[0]) + points = [self.scale_point(x) for x in line.vertices] + self.ctx.set_line_width(0) + self.ctx.move_to(*points[0]) for point in points[1:]: - ctx.line_to(*point) - ctx.fill() + self.ctx.line_to(*point) + self.ctx.fill() def _render_arc(self, arc, color): - center = map(mul, arc.center, self.scale) - start = map(mul, arc.start, self.scale) - end = map(mul, arc.end, self.scale) + center = self.scale_point(arc.center) + start = self.scale_point(arc.start) + end = self.scale_point(arc.end) radius = self.scale[0] * arc.radius angle1 = arc.start_angle angle2 = arc.end_angle width = arc.aperture.diameter if arc.aperture.diameter != 0 else 0.001 if not self.invert: - ctx = self.ctx - ctx.set_source_rgba(*color, alpha=self.alpha) - ctx.set_operator(cairo.OPERATOR_OVER if arc.level_polarity == "dark" else cairo.OPERATOR_CLEAR) + self.ctx.set_source_rgba(*color, alpha=self.alpha) + self.ctx.set_operator(cairo.OPERATOR_OVER + if arc.level_polarity == 'dark' + else cairo.OPERATOR_CLEAR) else: - ctx = self.mask_ctx - ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0) - ctx.set_operator(cairo.OPERATOR_CLEAR) - ctx.set_line_width(width * self.scale[0]) - ctx.set_line_cap(cairo.LINE_CAP_ROUND) - ctx.move_to(*start) # You actually have to do this... + self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0) + self.ctx.set_operator(cairo.OPERATOR_CLEAR) + self.ctx.set_line_width(width * self.scale[0]) + self.ctx.set_line_cap(cairo.LINE_CAP_ROUND) + self.ctx.move_to(*start) # You actually have to do this... if arc.direction == 'counterclockwise': - ctx.arc(*center, radius=radius, angle1=angle1, angle2=angle2) + self.ctx.arc(*center, radius=radius, angle1=angle1, angle2=angle2) else: - ctx.arc_negative(*center, radius=radius, angle1=angle1, angle2=angle2) - ctx.move_to(*end) # ...lame + self.ctx.arc_negative(*center, radius=radius, + angle1=angle1, angle2=angle2) + self.ctx.move_to(*end) # ...lame def _render_region(self, region, color): if not self.invert: - ctx = self.ctx - ctx.set_source_rgba(*color, alpha=self.alpha) - ctx.set_operator(cairo.OPERATOR_OVER if region.level_polarity == "dark" else cairo.OPERATOR_CLEAR) + self.ctx.set_source_rgba(*color, alpha=self.alpha) + self.ctx.set_operator(cairo.OPERATOR_OVER + if region.level_polarity == 'dark' + else cairo.OPERATOR_CLEAR) else: - ctx = self.mask_ctx - ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0) - ctx.set_operator(cairo.OPERATOR_CLEAR) - ctx.set_line_width(0) - ctx.set_line_cap(cairo.LINE_CAP_ROUND) - ctx.move_to(*tuple(map(mul, region.primitives[0].start, self.scale))) - for p in region.primitives: - if isinstance(p, Line): - ctx.line_to(*tuple(map(mul, p.end, self.scale))) + self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0) + self.ctx.set_operator(cairo.OPERATOR_CLEAR) + self.ctx.set_line_width(0) + self.ctx.set_line_cap(cairo.LINE_CAP_ROUND) + self.ctx.move_to(*self.scale_point(region.primitives[0].start)) + for prim in region.primitives: + if isinstance(prim, Line): + self.ctx.line_to(*self.scale_point(prim.end)) else: - center = map(mul, p.center, self.scale) - start = map(mul, p.start, self.scale) - end = map(mul, p.end, self.scale) - radius = self.scale[0] * p.radius - angle1 = p.start_angle - angle2 = p.end_angle - if p.direction == 'counterclockwise': - ctx.arc(*center, radius=radius, angle1=angle1, angle2=angle2) + center = self.scale_point(prim.center) + radius = self.scale[0] * prim.radius + angle1 = prim.start_angle + angle2 = prim.end_angle + if prim.direction == 'counterclockwise': + self.ctx.arc(*center, radius=radius, + angle1=angle1, angle2=angle2) else: - ctx.arc_negative(*center, radius=radius, angle1=angle1, angle2=angle2) - ctx.fill() + self.ctx.arc_negative(*center, radius=radius, + angle1=angle1, angle2=angle2) + self.ctx.fill() def _render_circle(self, circle, color): - center = tuple(map(mul, circle.position, self.scale)) + center = self.scale_point(circle.position) if not self.invert: - ctx = self.ctx - ctx.set_source_rgba(*color, alpha=self.alpha) - ctx.set_operator(cairo.OPERATOR_OVER if circle.level_polarity == "dark" else cairo.OPERATOR_CLEAR) + self.ctx.set_source_rgba(*color, alpha=self.alpha) + self.ctx.set_operator( + cairo.OPERATOR_OVER if circle.level_polarity == 'dark' else cairo.OPERATOR_CLEAR) else: - ctx = self.mask_ctx - ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0) - ctx.set_operator(cairo.OPERATOR_CLEAR) - ctx.set_line_width(0) - ctx.arc(*center, radius=circle.radius * self.scale[0], angle1=0, angle2=2 * math.pi) - ctx.fill() + self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0) + self.ctx.set_operator(cairo.OPERATOR_CLEAR) + self.ctx.set_line_width(0) + self.ctx.arc(*center, radius=circle.radius * + self.scale[0], angle1=0, angle2=2 * math.pi) + self.ctx.fill() def _render_rectangle(self, rectangle, color): - ll = map(mul, rectangle.lower_left, self.scale) - width, height = tuple(map(mul, (rectangle.width, rectangle.height), map(abs, self.scale))) + lower_left = self.scale_point(rectangle.lower_left) + width, height = tuple([abs(coord) for coord in self.scale_point((rectangle.width, rectangle.height))]) + if not self.invert: - ctx = self.ctx - ctx.set_source_rgba(*color, alpha=self.alpha) - ctx.set_operator(cairo.OPERATOR_OVER if rectangle.level_polarity == "dark" else cairo.OPERATOR_CLEAR) + self.ctx.set_source_rgba(*color, alpha=self.alpha) + self.ctx.set_operator( + cairo.OPERATOR_OVER if rectangle.level_polarity == 'dark' else cairo.OPERATOR_CLEAR) else: - ctx = self.mask_ctx - ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0) - ctx.set_operator(cairo.OPERATOR_CLEAR) - ctx.set_line_width(0) - ctx.rectangle(*ll, width=width, height=height) - ctx.fill() + self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0) + self.ctx.set_operator(cairo.OPERATOR_CLEAR) + self.ctx.set_line_width(0) + self.ctx.rectangle(*lower_left, width=width, height=height) + self.ctx.fill() def _render_obround(self, obround, color): self._render_circle(obround.subshapes['circle1'], color) self._render_circle(obround.subshapes['circle2'], color) self._render_rectangle(obround.subshapes['rectangle'], color) - def _render_drill(self, circle, color): + def _render_drill(self, circle, color=None): + color = color if color is not None else self.drill_color self._render_circle(circle, color) def _render_test_record(self, primitive, color): - position = tuple(map(add, primitive.position, self.origin_in_inch)) + position = [pos + origin for pos, origin in zip(primitive.position, self.origin_in_inch)] self.ctx.set_operator(cairo.OPERATOR_OVER) - self.ctx.select_font_face('monospace', cairo.FONT_SLANT_NORMAL, cairo.FONT_WEIGHT_BOLD) + self.ctx.select_font_face( + 'monospace', cairo.FONT_SLANT_NORMAL, cairo.FONT_WEIGHT_BOLD) self.ctx.set_font_size(13) self._render_circle(Circle(position, 0.015), color) self.ctx.set_source_rgba(*color, alpha=self.alpha) - self.ctx.set_operator(cairo.OPERATOR_OVER if primitive.level_polarity == "dark" else cairo.OPERATOR_CLEAR) - self.ctx.move_to(*[self.scale[0] * (coord + 0.015) for coord in position]) + self.ctx.set_operator( + cairo.OPERATOR_OVER if primitive.level_polarity == 'dark' else cairo.OPERATOR_CLEAR) + self.ctx.move_to(*[self.scale[0] * (coord + 0.015) + for coord in position]) self.ctx.scale(1, -1) self.ctx.show_text(primitive.net_name) self.ctx.scale(1, -1) - def _clear_mask(self): - self.mask_ctx.set_operator(cairo.OPERATOR_OVER) - self.mask_ctx.set_source_rgba(*self.color, alpha=self.alpha) - self.mask_ctx.paint() + def _new_render_layer(self, color=None): + size_in_pixels = self.scale_point(self.size_in_inch) + layer = cairo.SVGSurface(None, size_in_pixels[0], size_in_pixels[1]) + ctx = cairo.Context(layer) + ctx.set_fill_rule(cairo.FILL_RULE_EVEN_ODD) + ctx.scale(1, -1) + ctx.translate(-(self.origin_in_inch[0] * self.scale[0]), + (-self.origin_in_inch[1] * self.scale[0]) + - size_in_pixels[1]) + if self.invert: + ctx.set_operator(cairo.OPERATOR_OVER) + ctx.set_source_rgba(*self.color, alpha=self.alpha) + ctx.paint() + self.ctx = ctx + self.active_layer = layer - def _render_mask(self): - self.ctx.set_operator(cairo.OPERATOR_OVER) - ptn = cairo.SurfacePattern(self.mask) + def _flatten(self): + self.output_ctx.set_operator(cairo.OPERATOR_OVER) + ptn = cairo.SurfacePattern(self.active_layer) ptn.set_matrix(self._xform_matrix) - self.ctx.set_source(ptn) - self.ctx.paint() + self.output_ctx.set_source(ptn) + self.output_ctx.paint() + self.ctx = None + self.active_layer = None def _paint_background(self, force=False): if (not self.bg) or force: self.bg = True - self.ctx.set_source_rgba(*self.background_color, alpha=1.0) - self.ctx.paint() + self.output_ctx.set_operator(cairo.OPERATOR_OVER) + self.output_ctx.set_source_rgba(*self.background_color, alpha=1.0) + self.output_ctx.paint() + + def scale_point(self, point): + return tuple([coord * scale for coord, scale in zip(point, self.scale)]) diff --git a/gerber/render/render.py b/gerber/render/render.py index 6af8bf1..d7a62e1 100644 --- a/gerber/render/render.py +++ b/gerber/render/render.py @@ -57,12 +57,14 @@ class GerberContext(object): alpha : float Rendering opacity. Between 0.0 (transparent) and 1.0 (opaque.) """ + def __init__(self, units='inch'): self._units = units self._color = (0.7215, 0.451, 0.200) self._background_color = (0.0, 0.0, 0.0) self._alpha = 1.0 self._invert = False + self.ctx = None @property def units(self): @@ -132,8 +134,7 @@ class GerberContext(object): self._invert = invert def render(self, primitive): - color = (self.color if primitive.level_polarity == 'dark' - else self.background_color) + color = self.color if isinstance(primitive, Line): self._render_line(primitive, color) elif isinstance(primitive, Arc): @@ -155,6 +156,7 @@ class GerberContext(object): else: return + def _render_line(self, primitive, color): pass @@ -184,9 +186,9 @@ class GerberContext(object): class RenderSettings(object): + def __init__(self, color=(0.0, 0.0, 0.0), alpha=1.0, invert=False, mirror=False): self.color = color self.alpha = alpha self.invert = invert self.mirror = mirror - diff --git a/gerber/render/theme.py b/gerber/render/theme.py index e538df8..6135ccb 100644 --- a/gerber/render/theme.py +++ b/gerber/render/theme.py @@ -23,7 +23,7 @@ COLORS = { 'white': (1.0, 1.0, 1.0), 'red': (1.0, 0.0, 0.0), 'green': (0.0, 1.0, 0.0), - 'blue' : (0.0, 0.0, 1.0), + 'blue': (0.0, 0.0, 1.0), 'fr-4': (0.290, 0.345, 0.0), 'green soldermask': (0.0, 0.612, 0.396), 'blue soldermask': (0.059, 0.478, 0.651), @@ -36,6 +36,7 @@ COLORS = { class Theme(object): + def __init__(self, name=None, **kwargs): self.name = 'Default' if name is None else name self.background = kwargs.get('background', RenderSettings(COLORS['black'], alpha=0.0)) @@ -67,4 +68,3 @@ THEMES = { topmask=RenderSettings(COLORS['blue soldermask'], alpha=0.8, invert=True), bottommask=RenderSettings(COLORS['blue soldermask'], alpha=0.8, invert=True)), } - -- cgit From 66a0d09e72b078da5820820aa5c6a2a7d7430507 Mon Sep 17 00:00:00 2001 From: Hamilton Kibbe Date: Thu, 21 Jan 2016 04:39:55 -0500 Subject: Add support for mirrored rendering - The default theme now renders the bottom layers mirrored. - see https://github.com/curtacircuitos/pcb-tools/blob/master/examples/pcb_bottom.png for an example. --- gerber/render/cairo_backend.py | 19 ++++++++++++------- gerber/render/theme.py | 11 ++++++----- 2 files changed, 18 insertions(+), 12 deletions(-) (limited to 'gerber/render') diff --git a/gerber/render/cairo_backend.py b/gerber/render/cairo_backend.py index cc2722a..2370eb9 100644 --- a/gerber/render/cairo_backend.py +++ b/gerber/render/cairo_backend.py @@ -18,6 +18,7 @@ import cairocffi as cairo import tempfile +import copy from .render import GerberContext, RenderSettings from .theme import THEMES @@ -37,6 +38,7 @@ class GerberCairoContext(GerberContext): self.surface = None self.ctx = None self.active_layer = None + self.active_matrix = None self.output_ctx = None self.bg = False self.mask = None @@ -120,9 +122,7 @@ class GerberCairoContext(GerberContext): self.invert = settings.invert # Get a new clean layer to render on - self._new_render_layer() - if settings.mirror: - raise Warning('mirrored layers aren\'t supported yet...') + self._new_render_layer(mirror=settings.mirror) for prim in layer.primitives: self.render(prim) # Add layer to image @@ -262,30 +262,35 @@ class GerberCairoContext(GerberContext): self.ctx.show_text(primitive.net_name) self.ctx.scale(1, -1) - def _new_render_layer(self, color=None): + def _new_render_layer(self, color=None, mirror=False): size_in_pixels = self.scale_point(self.size_in_inch) layer = cairo.SVGSurface(None, size_in_pixels[0], size_in_pixels[1]) ctx = cairo.Context(layer) ctx.set_fill_rule(cairo.FILL_RULE_EVEN_ODD) ctx.scale(1, -1) ctx.translate(-(self.origin_in_inch[0] * self.scale[0]), - (-self.origin_in_inch[1] * self.scale[0]) - - size_in_pixels[1]) + (-self.origin_in_inch[1] * self.scale[0]) - size_in_pixels[1]) if self.invert: ctx.set_operator(cairo.OPERATOR_OVER) ctx.set_source_rgba(*self.color, alpha=self.alpha) ctx.paint() + matrix = copy.copy(self._xform_matrix) + if mirror: + matrix.xx = -1.0 + matrix.x0 = self.origin_in_pixels[0] + self.size_in_pixels[0] self.ctx = ctx self.active_layer = layer + self.active_matrix = matrix def _flatten(self): self.output_ctx.set_operator(cairo.OPERATOR_OVER) ptn = cairo.SurfacePattern(self.active_layer) - ptn.set_matrix(self._xform_matrix) + ptn.set_matrix(self.active_matrix) self.output_ctx.set_source(ptn) self.output_ctx.paint() self.ctx = None self.active_layer = None + self.active_matrix = None def _paint_background(self, force=False): if (not self.bg) or force: diff --git a/gerber/render/theme.py b/gerber/render/theme.py index 6135ccb..4d325c5 100644 --- a/gerber/render/theme.py +++ b/gerber/render/theme.py @@ -41,11 +41,11 @@ class Theme(object): self.name = 'Default' if name is None else name self.background = kwargs.get('background', RenderSettings(COLORS['black'], alpha=0.0)) self.topsilk = kwargs.get('topsilk', RenderSettings(COLORS['white'])) - self.bottomsilk = kwargs.get('bottomsilk', RenderSettings(COLORS['white'])) + self.bottomsilk = kwargs.get('bottomsilk', RenderSettings(COLORS['white'], mirror=True)) self.topmask = kwargs.get('topmask', RenderSettings(COLORS['green soldermask'], alpha=0.8, invert=True)) - self.bottommask = kwargs.get('bottommask', RenderSettings(COLORS['green soldermask'], alpha=0.8, invert=True)) + self.bottommask = kwargs.get('bottommask', RenderSettings(COLORS['green soldermask'], alpha=0.8, invert=True, mirror=True)) self.top = kwargs.get('top', RenderSettings(COLORS['hasl copper'])) - self.bottom = kwargs.get('top', RenderSettings(COLORS['hasl copper'])) + self.bottom = kwargs.get('bottom', RenderSettings(COLORS['hasl copper'], mirror=True)) self.drill = kwargs.get('drill', RenderSettings(COLORS['black'])) self.ipc_netlist = kwargs.get('ipc_netlist', RenderSettings(COLORS['red'])) @@ -61,9 +61,10 @@ THEMES = { 'default': Theme(), 'OSH Park': Theme(name='OSH Park', top=RenderSettings(COLORS['enig copper']), - bottom=RenderSettings(COLORS['enig copper']), + bottom=RenderSettings(COLORS['enig copper'], mirror=True), topmask=RenderSettings(COLORS['purple soldermask'], alpha=0.8, invert=True), - bottommask=RenderSettings(COLORS['purple soldermask'], alpha=0.8, invert=True)), + bottommask=RenderSettings(COLORS['purple soldermask'], alpha=0.8, invert=True, mirror=True)), + 'Blue': Theme(name='Blue', topmask=RenderSettings(COLORS['blue soldermask'], alpha=0.8, invert=True), bottommask=RenderSettings(COLORS['blue soldermask'], alpha=0.8, invert=True)), -- cgit From 5df38c014fd09792995b2b12b1982c535c962c9a Mon Sep 17 00:00:00 2001 From: Hamilton Kibbe Date: Thu, 28 Jan 2016 12:19:03 -0500 Subject: Cleanup, rendering fixes. fixed rendering of tented vias fixed rendering of semi-transparent layers fixed file type detection issues added some examples --- gerber/render/__init__.py | 1 + gerber/render/cairo_backend.py | 172 +++++++++++++++++++++-------------------- gerber/render/render.py | 19 ++--- gerber/render/theme.py | 23 ++++-- 4 files changed, 113 insertions(+), 102 deletions(-) (limited to 'gerber/render') diff --git a/gerber/render/__init__.py b/gerber/render/__init__.py index f76d28f..3598c4d 100644 --- a/gerber/render/__init__.py +++ b/gerber/render/__init__.py @@ -25,3 +25,4 @@ SVG is the only supported format. from .cairo_backend import GerberCairoContext +from .render import RenderSettings diff --git a/gerber/render/cairo_backend.py b/gerber/render/cairo_backend.py index 2370eb9..df4fcf1 100644 --- a/gerber/render/cairo_backend.py +++ b/gerber/render/cairo_backend.py @@ -17,6 +17,7 @@ import cairocffi as cairo +import os import tempfile import copy @@ -36,16 +37,16 @@ class GerberCairoContext(GerberContext): super(GerberCairoContext, self).__init__() self.scale = (scale, scale) self.surface = None + self.surface_buffer = None self.ctx = None self.active_layer = None self.active_matrix = None self.output_ctx = None - self.bg = False - self.mask = None - self.mask_ctx = None + self.has_bg = False self.origin_in_inch = None self.size_in_inch = None self._xform_matrix = None + self._render_count = 0 @property def origin_in_pixels(self): @@ -66,10 +67,8 @@ class GerberCairoContext(GerberContext): self.size_in_inch = size_in_inch if self.size_in_inch is None else self.size_in_inch if (self.surface is None) or new_surface: self.surface_buffer = tempfile.NamedTemporaryFile() - self.surface = cairo.SVGSurface( - self.surface_buffer, size_in_pixels[0], size_in_pixels[1]) + self.surface = cairo.SVGSurface(self.surface_buffer, size_in_pixels[0], size_in_pixels[1]) self.output_ctx = cairo.Context(self.surface) - self.output_ctx.set_fill_rule(cairo.FILL_RULE_EVEN_ODD) self.output_ctx.scale(1, -1) self.output_ctx.translate(-(origin_in_inch[0] * self.scale[0]), (-origin_in_inch[1] * self.scale[0]) - size_in_pixels[1]) @@ -77,20 +76,44 @@ class GerberCairoContext(GerberContext): x0=-self.origin_in_pixels[0], y0=self.size_in_pixels[1] + self.origin_in_pixels[1]) - def render_layers(self, layers, filename, theme=THEMES['default']): + def render_layer(self, layer, filename=None, settings=None, bgsettings=None, + verbose=False): + if settings is None: + settings = THEMES['default'].get(layer.layer_class, RenderSettings()) + if bgsettings is None: + bgsettings = THEMES['default'].get('background', RenderSettings()) + + if self._render_count == 0: + if verbose: + print('[Render]: Rendering Background.') + self.clear() + self.set_bounds(layer.bounds) + self._paint_background(bgsettings) + if verbose: + print('[Render]: Rendering {} Layer.'.format(layer.layer_class)) + self._render_count += 1 + self._render_layer(layer, settings) + if filename is not None: + self.dump(filename, verbose) + + def render_layers(self, layers, filename, theme=THEMES['default'], + verbose=False): """ Render a set of layers """ - self.set_bounds(layers[0].bounds, True) - self._paint_background(True) - + self.clear() + bgsettings = theme['background'] for layer in layers: - self._render_layer(layer, theme) - self.dump(filename) + settings = theme.get(layer.layer_class, RenderSettings()) + self.render_layer(layer, settings=settings, bgsettings=bgsettings, + verbose=verbose) + self.dump(filename, verbose) - def dump(self, filename): + def dump(self, filename, verbose=False): """ Save image as `filename` """ - is_svg = filename.lower().endswith(".svg") + is_svg = os.path.splitext(filename.lower())[1] == '.svg' + if verbose: + print('[Render]: Writing image to {}'.format(filename)) if is_svg: self.surface.finish() self.surface_buffer.flush() @@ -115,30 +138,33 @@ class GerberCairoContext(GerberContext): self.surface_buffer.flush() return self.surface_buffer.read() - def _render_layer(self, layer, theme=THEMES['default']): - settings = theme.get(layer.layer_class, RenderSettings()) - self.color = settings.color - self.alpha = settings.alpha - self.invert = settings.invert + def clear(self): + self.surface = None + self.output_ctx = None + self.has_bg = False + self.origin_in_inch = None + self.size_in_inch = None + self._xform_matrix = None + self._render_count = 0 + if hasattr(self.surface_buffer, 'close'): + self.surface_buffer.close() + self.surface_buffer = None + def _render_layer(self, layer, settings): + self.invert = settings.invert # Get a new clean layer to render on self._new_render_layer(mirror=settings.mirror) for prim in layer.primitives: self.render(prim) # Add layer to image - self._flatten() + self._paint(settings.color, settings.alpha) def _render_line(self, line, color): start = [pos * scale for pos, scale in zip(line.start, self.scale)] end = [pos * scale for pos, scale in zip(line.end, self.scale)] - if not self.invert: - self.ctx.set_source_rgba(*color, alpha=self.alpha) - self.ctx.set_operator(cairo.OPERATOR_OVER - if line.level_polarity == 'dark' - else cairo.OPERATOR_CLEAR) - else: - self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0) - self.ctx.set_operator(cairo.OPERATOR_CLEAR) + self.ctx.set_operator(cairo.OPERATOR_SOURCE + if line.level_polarity == 'dark' and + (not self.invert) else cairo.OPERATOR_CLEAR) if isinstance(line.aperture, Circle): width = line.aperture.diameter self.ctx.set_line_width(width * self.scale[0]) @@ -162,14 +188,9 @@ class GerberCairoContext(GerberContext): angle1 = arc.start_angle angle2 = arc.end_angle width = arc.aperture.diameter if arc.aperture.diameter != 0 else 0.001 - if not self.invert: - self.ctx.set_source_rgba(*color, alpha=self.alpha) - self.ctx.set_operator(cairo.OPERATOR_OVER - if arc.level_polarity == 'dark' - else cairo.OPERATOR_CLEAR) - else: - self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0) - self.ctx.set_operator(cairo.OPERATOR_CLEAR) + self.ctx.set_operator(cairo.OPERATOR_SOURCE + if arc.level_polarity == 'dark' and + (not self.invert) else cairo.OPERATOR_CLEAR) self.ctx.set_line_width(width * self.scale[0]) self.ctx.set_line_cap(cairo.LINE_CAP_ROUND) self.ctx.move_to(*start) # You actually have to do this... @@ -181,14 +202,9 @@ class GerberCairoContext(GerberContext): self.ctx.move_to(*end) # ...lame def _render_region(self, region, color): - if not self.invert: - self.ctx.set_source_rgba(*color, alpha=self.alpha) - self.ctx.set_operator(cairo.OPERATOR_OVER - if region.level_polarity == 'dark' - else cairo.OPERATOR_CLEAR) - else: - self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0) - self.ctx.set_operator(cairo.OPERATOR_CLEAR) + self.ctx.set_operator(cairo.OPERATOR_SOURCE + if region.level_polarity == 'dark' and + (not self.invert) else cairo.OPERATOR_CLEAR) self.ctx.set_line_width(0) self.ctx.set_line_cap(cairo.LINE_CAP_ROUND) self.ctx.move_to(*self.scale_point(region.primitives[0].start)) @@ -210,29 +226,22 @@ class GerberCairoContext(GerberContext): def _render_circle(self, circle, color): center = self.scale_point(circle.position) - if not self.invert: - self.ctx.set_source_rgba(*color, alpha=self.alpha) - self.ctx.set_operator( - cairo.OPERATOR_OVER if circle.level_polarity == 'dark' else cairo.OPERATOR_CLEAR) - else: - self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0) - self.ctx.set_operator(cairo.OPERATOR_CLEAR) + self.ctx.set_operator(cairo.OPERATOR_SOURCE + if circle.level_polarity == 'dark' and + (not self.invert) else cairo.OPERATOR_CLEAR) self.ctx.set_line_width(0) - self.ctx.arc(*center, radius=circle.radius * - self.scale[0], angle1=0, angle2=2 * math.pi) + self.ctx.arc(*center, radius=(circle.radius * self.scale[0]), angle1=0, + angle2=(2 * math.pi)) self.ctx.fill() def _render_rectangle(self, rectangle, color): lower_left = self.scale_point(rectangle.lower_left) - width, height = tuple([abs(coord) for coord in self.scale_point((rectangle.width, rectangle.height))]) - - if not self.invert: - self.ctx.set_source_rgba(*color, alpha=self.alpha) - self.ctx.set_operator( - cairo.OPERATOR_OVER if rectangle.level_polarity == 'dark' else cairo.OPERATOR_CLEAR) - else: - self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0) - self.ctx.set_operator(cairo.OPERATOR_CLEAR) + width, height = tuple([abs(coord) for coord in + self.scale_point((rectangle.width, + rectangle.height))]) + self.ctx.set_operator(cairo.OPERATOR_SOURCE + if rectangle.level_polarity == 'dark' and + (not self.invert) else cairo.OPERATOR_CLEAR) self.ctx.set_line_width(0) self.ctx.rectangle(*lower_left, width=width, height=height) self.ctx.fill() @@ -247,34 +256,31 @@ class GerberCairoContext(GerberContext): self._render_circle(circle, color) def _render_test_record(self, primitive, color): - position = [pos + origin for pos, origin in zip(primitive.position, self.origin_in_inch)] - self.ctx.set_operator(cairo.OPERATOR_OVER) + position = [pos + origin for pos, origin in + zip(primitive.position, self.origin_in_inch)] self.ctx.select_font_face( 'monospace', cairo.FONT_SLANT_NORMAL, cairo.FONT_WEIGHT_BOLD) self.ctx.set_font_size(13) self._render_circle(Circle(position, 0.015), color) - self.ctx.set_source_rgba(*color, alpha=self.alpha) - self.ctx.set_operator( - cairo.OPERATOR_OVER if primitive.level_polarity == 'dark' else cairo.OPERATOR_CLEAR) - self.ctx.move_to(*[self.scale[0] * (coord + 0.015) - for coord in position]) + self.ctx.set_operator(cairo.OPERATOR_SOURCE + if primitive.level_polarity == 'dark' and + (not self.invert) else cairo.OPERATOR_CLEAR) + self.ctx.move_to(*[self.scale[0] * (coord + 0.015) for coord in position]) self.ctx.scale(1, -1) self.ctx.show_text(primitive.net_name) self.ctx.scale(1, -1) def _new_render_layer(self, color=None, mirror=False): size_in_pixels = self.scale_point(self.size_in_inch) + matrix = copy.copy(self._xform_matrix) layer = cairo.SVGSurface(None, size_in_pixels[0], size_in_pixels[1]) ctx = cairo.Context(layer) - ctx.set_fill_rule(cairo.FILL_RULE_EVEN_ODD) ctx.scale(1, -1) ctx.translate(-(self.origin_in_inch[0] * self.scale[0]), - (-self.origin_in_inch[1] * self.scale[0]) - size_in_pixels[1]) + (-self.origin_in_inch[1] * self.scale[0]) - size_in_pixels[1]) if self.invert: ctx.set_operator(cairo.OPERATOR_OVER) - ctx.set_source_rgba(*self.color, alpha=self.alpha) ctx.paint() - matrix = copy.copy(self._xform_matrix) if mirror: matrix.xx = -1.0 matrix.x0 = self.origin_in_pixels[0] + self.size_in_pixels[0] @@ -282,21 +288,23 @@ class GerberCairoContext(GerberContext): self.active_layer = layer self.active_matrix = matrix - def _flatten(self): - self.output_ctx.set_operator(cairo.OPERATOR_OVER) + def _paint(self, color=None, alpha=None): + color = color if color is not None else self.color + alpha = alpha if alpha is not None else self.alpha ptn = cairo.SurfacePattern(self.active_layer) ptn.set_matrix(self.active_matrix) - self.output_ctx.set_source(ptn) - self.output_ctx.paint() + self.output_ctx.set_source_rgba(*color, alpha=alpha) + self.output_ctx.mask(ptn) self.ctx = None self.active_layer = None self.active_matrix = None - def _paint_background(self, force=False): - if (not self.bg) or force: - self.bg = True - self.output_ctx.set_operator(cairo.OPERATOR_OVER) - self.output_ctx.set_source_rgba(*self.background_color, alpha=1.0) + def _paint_background(self, settings=None): + color = settings.color if settings is not None else self.background_color + alpha = settings.alpha if settings is not None else 1.0 + if not self.has_bg: + self.has_bg = True + self.output_ctx.set_source_rgba(*color, alpha=alpha) self.output_ctx.paint() def scale_point(self, point): diff --git a/gerber/render/render.py b/gerber/render/render.py index d7a62e1..724aaea 100644 --- a/gerber/render/render.py +++ b/gerber/render/render.py @@ -45,7 +45,8 @@ class GerberContext(object): Measurement units. 'inch' or 'metric' color : tuple (, , ) - Color used for rendering as a tuple of normalized (red, green, blue) values. + Color used for rendering as a tuple of normalized (red, green, blue) + values. drill_color : tuple (, , ) Color used for rendering drill hits. Format is the same as for `color`. @@ -62,8 +63,9 @@ class GerberContext(object): self._units = units self._color = (0.7215, 0.451, 0.200) self._background_color = (0.0, 0.0, 0.0) + self._drill_color = (0.0, 0.0, 0.0) self._alpha = 1.0 - self._invert = False + self.invert = False self.ctx = None @property @@ -125,14 +127,6 @@ class GerberContext(object): raise ValueError('Alpha must be between 0.0 and 1.0') self._alpha = alpha - @property - def invert(self): - return self._invert - - @invert.setter - def invert(self, invert): - self._invert = invert - def render(self, primitive): color = self.color if isinstance(primitive, Line): @@ -156,7 +150,6 @@ class GerberContext(object): else: return - def _render_line(self, primitive, color): pass @@ -186,8 +179,8 @@ class GerberContext(object): class RenderSettings(object): - - def __init__(self, color=(0.0, 0.0, 0.0), alpha=1.0, invert=False, mirror=False): + def __init__(self, color=(0.0, 0.0, 0.0), alpha=1.0, invert=False, + mirror=False): self.color = color self.alpha = alpha self.invert = invert diff --git a/gerber/render/theme.py b/gerber/render/theme.py index 4d325c5..d382a8d 100644 --- a/gerber/render/theme.py +++ b/gerber/render/theme.py @@ -25,12 +25,12 @@ COLORS = { 'green': (0.0, 1.0, 0.0), 'blue': (0.0, 0.0, 1.0), 'fr-4': (0.290, 0.345, 0.0), - 'green soldermask': (0.0, 0.612, 0.396), + 'green soldermask': (0.0, 0.412, 0.278), 'blue soldermask': (0.059, 0.478, 0.651), 'red soldermask': (0.968, 0.169, 0.165), 'black soldermask': (0.298, 0.275, 0.282), 'purple soldermask': (0.2, 0.0, 0.334), - 'enig copper': (0.686, 0.525, 0.510), + 'enig copper': (0.694, 0.533, 0.514), 'hasl copper': (0.871, 0.851, 0.839) } @@ -39,11 +39,11 @@ class Theme(object): def __init__(self, name=None, **kwargs): self.name = 'Default' if name is None else name - self.background = kwargs.get('background', RenderSettings(COLORS['black'], alpha=0.0)) + self.background = kwargs.get('background', RenderSettings(COLORS['fr-4'])) self.topsilk = kwargs.get('topsilk', RenderSettings(COLORS['white'])) self.bottomsilk = kwargs.get('bottomsilk', RenderSettings(COLORS['white'], mirror=True)) - self.topmask = kwargs.get('topmask', RenderSettings(COLORS['green soldermask'], alpha=0.8, invert=True)) - self.bottommask = kwargs.get('bottommask', RenderSettings(COLORS['green soldermask'], alpha=0.8, invert=True, mirror=True)) + self.topmask = kwargs.get('topmask', RenderSettings(COLORS['green soldermask'], alpha=0.85, invert=True)) + self.bottommask = kwargs.get('bottommask', RenderSettings(COLORS['green soldermask'], alpha=0.85, invert=True, mirror=True)) self.top = kwargs.get('top', RenderSettings(COLORS['hasl copper'])) self.bottom = kwargs.get('bottom', RenderSettings(COLORS['hasl copper'], mirror=True)) self.drill = kwargs.get('drill', RenderSettings(COLORS['black'])) @@ -60,12 +60,21 @@ class Theme(object): THEMES = { 'default': Theme(), 'OSH Park': Theme(name='OSH Park', + background=RenderSettings(COLORS['purple soldermask']), top=RenderSettings(COLORS['enig copper']), bottom=RenderSettings(COLORS['enig copper'], mirror=True), - topmask=RenderSettings(COLORS['purple soldermask'], alpha=0.8, invert=True), - bottommask=RenderSettings(COLORS['purple soldermask'], alpha=0.8, invert=True, mirror=True)), + topmask=RenderSettings(COLORS['purple soldermask'], alpha=0.85, invert=True), + bottommask=RenderSettings(COLORS['purple soldermask'], alpha=0.85, invert=True, mirror=True), + topsilk=RenderSettings(COLORS['white'], alpha=0.8), + bottomsilk=RenderSettings(COLORS['white'], alpha=0.8, mirror=True)), 'Blue': Theme(name='Blue', topmask=RenderSettings(COLORS['blue soldermask'], alpha=0.8, invert=True), bottommask=RenderSettings(COLORS['blue soldermask'], alpha=0.8, invert=True)), + + 'Transparent Copper': Theme(name='Transparent', + background=RenderSettings((0.9, 0.9, 0.9)), + top=RenderSettings(COLORS['red'], alpha=0.5), + bottom=RenderSettings(COLORS['blue'], alpha=0.5), + drill=RenderSettings((0.3, 0.3, 0.3))), } -- cgit From 0fedaedb6ebb8cc6abfc218d224a3ab69bb71b56 Mon Sep 17 00:00:00 2001 From: Hamilton Kibbe Date: Thu, 29 Sep 2016 19:43:28 -0400 Subject: Add more layer hints as seen in the wild --- gerber/render/theme.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'gerber/render') diff --git a/gerber/render/theme.py b/gerber/render/theme.py index d382a8d..2887216 100644 --- a/gerber/render/theme.py +++ b/gerber/render/theme.py @@ -53,7 +53,7 @@ class Theme(object): return getattr(self, key) def get(self, key, noneval=None): - val = getattr(self, key) + val = getattr(self, key, None) return val if val is not None else noneval -- cgit From 724c2b3bced319ed0b50c4302fed9b0e1aa9ce9c Mon Sep 17 00:00:00 2001 From: Hamilton Kibbe Date: Sat, 5 Nov 2016 20:56:47 -0400 Subject: Finish Merge, most tests passing --- gerber/render/cairo_backend.py | 167 +++++++++++------------------------------ 1 file changed, 43 insertions(+), 124 deletions(-) (limited to 'gerber/render') diff --git a/gerber/render/cairo_backend.py b/gerber/render/cairo_backend.py index 8c7232f..77d413e 100644 --- a/gerber/render/cairo_backend.py +++ b/gerber/render/cairo_backend.py @@ -12,15 +12,15 @@ # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - -# See the License for the specific language governing permissions and -# limitations under the License. - + +# See the License for the specific language governing permissions and +# limitations under the License. + try: import cairo except ImportError: import cairocffi as cairo - + import math from operator import mul, div import tempfile @@ -139,35 +139,20 @@ class GerberCairoContext(GerberContext): start = [pos * scale for pos, scale in zip(line.start, self.scale)] end = [pos * scale for pos, scale in zip(line.end, self.scale)] if not self.invert: -<<<<<<< HEAD self.ctx.set_source_rgba(color[0], color[1], color[2], alpha=self.alpha) self.ctx.set_operator(cairo.OPERATOR_OVER if line.level_polarity == "dark" - else cairo.OPERATOR_CLEAR) -======= - self.ctx.set_source_rgba(*color, alpha=self.alpha) - self.ctx.set_operator(cairo.OPERATOR_OVER - if line.level_polarity == 'dark' - else cairo.OPERATOR_CLEAR) ->>>>>>> 5476da8... Fix a bunch of rendering bugs. + else cairo.OPERATOR_CLEAR) else: self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0) self.ctx.set_operator(cairo.OPERATOR_CLEAR) if isinstance(line.aperture, Circle): -<<<<<<< HEAD - width = line.aperture.diameter -======= width = line.aperture.diameter ->>>>>>> 5476da8... Fix a bunch of rendering bugs. self.ctx.set_line_width(width * self.scale[0]) self.ctx.set_line_cap(cairo.LINE_CAP_ROUND) self.ctx.move_to(*start) self.ctx.line_to(*end) -<<<<<<< HEAD - self.ctx.stroke() -======= self.ctx.stroke() ->>>>>>> 5476da8... Fix a bunch of rendering bugs. elif isinstance(line.aperture, Rectangle): points = [self.scale_point(x) for x in line.vertices] self.ctx.set_line_width(0) @@ -190,9 +175,8 @@ class GerberCairoContext(GerberContext): width = arc.aperture.diameter if arc.aperture.diameter != 0 else 0.001 else: width = max(arc.aperture.width, arc.aperture.height, 0.001) - + if not self.invert: -<<<<<<< HEAD self.ctx.set_source_rgba(color[0], color[1], color[2], alpha=self.alpha) self.ctx.set_operator(cairo.OPERATOR_OVER if arc.level_polarity == "dark"\ @@ -200,51 +184,26 @@ class GerberCairoContext(GerberContext): else: self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0) self.ctx.set_operator(cairo.OPERATOR_CLEAR) - -======= - self.ctx.set_source_rgba(*color, alpha=self.alpha) - self.ctx.set_operator(cairo.OPERATOR_OVER - if arc.level_polarity == 'dark' - else cairo.OPERATOR_CLEAR) - else: - self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0) - self.ctx.set_operator(cairo.OPERATOR_CLEAR) ->>>>>>> 5476da8... Fix a bunch of rendering bugs. + self.ctx.set_line_width(width * self.scale[0]) self.ctx.set_line_cap(cairo.LINE_CAP_ROUND) self.ctx.move_to(*start) # You actually have to do this... if arc.direction == 'counterclockwise': -<<<<<<< HEAD self.ctx.arc(center[0], center[1], radius, angle1, angle2) else: self.ctx.arc_negative(center[0], center[1], radius, angle1, angle2) -======= - self.ctx.arc(*center, radius=radius, angle1=angle1, angle2=angle2) - else: - self.ctx.arc_negative(*center, radius=radius, - angle1=angle1, angle2=angle2) ->>>>>>> 5476da8... Fix a bunch of rendering bugs. self.ctx.move_to(*end) # ...lame def _render_region(self, region, color): if not self.invert: -<<<<<<< HEAD self.ctx.set_source_rgba(color[0], color[1], color[2], alpha=self.alpha) self.ctx.set_operator(cairo.OPERATOR_OVER if region.level_polarity == "dark" -======= - self.ctx.set_source_rgba(*color, alpha=self.alpha) - self.ctx.set_operator(cairo.OPERATOR_OVER - if region.level_polarity == 'dark' ->>>>>>> 5476da8... Fix a bunch of rendering bugs. else cairo.OPERATOR_CLEAR) else: self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0) self.ctx.set_operator(cairo.OPERATOR_CLEAR) -<<<<<<< HEAD -======= ->>>>>>> 5476da8... Fix a bunch of rendering bugs. self.ctx.set_line_width(0) self.ctx.set_line_cap(cairo.LINE_CAP_ROUND) self.ctx.move_to(*self.scale_point(region.primitives[0].start)) @@ -262,8 +221,9 @@ class GerberCairoContext(GerberContext): else: self.ctx.arc_negative(*center, radius=radius, angle1=angle1, angle2=angle2) -<<<<<<< HEAD - self.ctx.fill() + + self.ctx.fill() + def _render_circle(self, circle, color): center = self.scale_point(circle.position) if not self.invert: @@ -274,47 +234,30 @@ class GerberCairoContext(GerberContext): else: self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0) self.ctx.set_operator(cairo.OPERATOR_CLEAR) - + if circle.hole_diameter > 0: self.ctx.push_group() self.ctx.set_line_width(0) self.ctx.arc(center[0], center[1], radius=circle.radius * self.scale[0], angle1=0, angle2=2 * math.pi) self.ctx.fill() - + if circle.hole_diameter > 0: # Render the center clear self.ctx.set_source_rgba(color[0], color[1], color[2], self.alpha) - self.ctx.set_operator(cairo.OPERATOR_CLEAR) + self.ctx.set_operator(cairo.OPERATOR_CLEAR) self.ctx.arc(center[0], center[1], radius=circle.hole_radius * self.scale[0], angle1=0, angle2=2 * math.pi) self.ctx.fill() - - self.ctx.pop_group_to_source() - self.ctx.paint_with_alpha(1) -======= - self.ctx.fill() - def _render_circle(self, circle, color): - center = self.scale_point(circle.position) - if not self.invert: - self.ctx.set_source_rgba(*color, alpha=self.alpha) - self.ctx.set_operator( - cairo.OPERATOR_OVER if circle.level_polarity == 'dark' else cairo.OPERATOR_CLEAR) - else: - self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0) - self.ctx.set_operator(cairo.OPERATOR_CLEAR) - self.ctx.set_line_width(0) - self.ctx.arc(*center, radius=circle.radius * - self.scale[0], angle1=0, angle2=2 * math.pi) - self.ctx.fill() ->>>>>>> 5476da8... Fix a bunch of rendering bugs. + self.ctx.pop_group_to_source() + self.ctx.paint_with_alpha(1) def _render_rectangle(self, rectangle, color): lower_left = self.scale_point(rectangle.lower_left) width, height = tuple([abs(coord) for coord in self.scale_point((rectangle.width, rectangle.height))]) -<<<<<<< HEAD - + + if not self.invert: self.ctx.set_source_rgba(color[0], color[1], color[2], alpha=self.alpha) self.ctx.set_operator(cairo.OPERATOR_OVER @@ -323,10 +266,10 @@ class GerberCairoContext(GerberContext): else: self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0) self.ctx.set_operator(cairo.OPERATOR_CLEAR) - + if rectangle.rotation != 0: self.ctx.save() - + center = map(mul, rectangle.position, self.scale) matrix = cairo.Matrix() matrix.translate(center[0], center[1]) @@ -335,14 +278,14 @@ class GerberCairoContext(GerberContext): lower_left[1] = lower_left[1] - center[1] matrix.rotate(rectangle.rotation) self.ctx.transform(matrix) - + if rectangle.hole_diameter > 0: self.ctx.push_group() self.ctx.set_line_width(0) self.ctx.rectangle(lower_left[0], lower_left[1], width, height) self.ctx.fill() - + if rectangle.hole_diameter > 0: # Render the center clear self.ctx.set_source_rgba(color[0], color[1], color[2], self.alpha) @@ -350,42 +293,30 @@ class GerberCairoContext(GerberContext): center = map(mul, rectangle.position, self.scale) self.ctx.arc(center[0], center[1], radius=rectangle.hole_radius * self.scale[0], angle1=0, angle2=2 * math.pi) self.ctx.fill() - + self.ctx.pop_group_to_source() self.ctx.paint_with_alpha(1) - + if rectangle.rotation != 0: - self.ctx.restore() -======= + self.ctx.restore() - if not self.invert: - self.ctx.set_source_rgba(*color, alpha=self.alpha) - self.ctx.set_operator( - cairo.OPERATOR_OVER if rectangle.level_polarity == 'dark' else cairo.OPERATOR_CLEAR) - else: - self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0) - self.ctx.set_operator(cairo.OPERATOR_CLEAR) - self.ctx.set_line_width(0) - self.ctx.rectangle(*lower_left, width=width, height=height) - self.ctx.fill() ->>>>>>> 5476da8... Fix a bunch of rendering bugs. def _render_obround(self, obround, color): - + if not self.invert: self.ctx.set_source_rgba(color[0], color[1], color[2], alpha=self.alpha) self.ctx.set_operator(cairo.OPERATOR_OVER if obround.level_polarity == "dark" else cairo.OPERATOR_CLEAR) else: self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0) self.ctx.set_operator(cairo.OPERATOR_CLEAR) - + if obround.hole_diameter > 0: self.ctx.push_group() self._render_circle(obround.subshapes['circle1'], color) self._render_circle(obround.subshapes['circle2'], color) self._render_rectangle(obround.subshapes['rectangle'], color) - + if obround.hole_diameter > 0: # Render the center clear self.ctx.set_source_rgba(color[0], color[1], color[2], self.alpha) @@ -393,12 +324,12 @@ class GerberCairoContext(GerberContext): center = map(mul, obround.position, self.scale) self.ctx.arc(center[0], center[1], radius=obround.hole_radius * self.scale[0], angle1=0, angle2=2 * math.pi) self.ctx.fill() - + self.ctx.pop_group_to_source() self.ctx.paint_with_alpha(1) def _render_polygon(self, polygon, color): - + # TODO Ths does not handle rotation of a polygon if not self.invert: self.ctx.set_source_rgba(color[0], color[1], color[2], alpha=self.alpha) @@ -406,44 +337,44 @@ class GerberCairoContext(GerberContext): else: self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0) self.ctx.set_operator(cairo.OPERATOR_CLEAR) - + if polygon.hole_radius > 0: self.ctx.push_group() - - vertices = polygon.vertices + + vertices = polygon.vertices self.ctx.set_line_width(0) self.ctx.set_line_cap(cairo.LINE_CAP_ROUND) - + # Start from before the end so it is easy to iterate and make sure it is closed self.ctx.move_to(*map(mul, vertices[-1], self.scale)) for v in vertices: self.ctx.line_to(*map(mul, v, self.scale)) self.ctx.fill() - + if polygon.hole_radius > 0: # Render the center clear center = tuple(map(mul, polygon.position, self.scale)) self.ctx.set_source_rgba(color[0], color[1], color[2], self.alpha) - self.ctx.set_operator(cairo.OPERATOR_CLEAR) + self.ctx.set_operator(cairo.OPERATOR_CLEAR) self.ctx.set_line_width(0) self.ctx.arc(center[0], center[1], polygon.hole_radius * self.scale[0], 0, 2 * math.pi) self.ctx.fill() - + self.ctx.pop_group_to_source() self.ctx.paint_with_alpha(1) def _render_drill(self, circle, color=None): color = color if color is not None else self.drill_color self._render_circle(circle, color) - + def _render_slot(self, slot, color): start = map(mul, slot.start, self.scale) end = map(mul, slot.end, self.scale) - + width = slot.diameter - + if not self.invert: self.ctx.set_source_rgba(color[0], color[1], color[2], alpha=self.alpha) self.ctx.set_operator(cairo.OPERATOR_OVER if slot.level_polarity == "dark" else cairo.OPERATOR_CLEAR) @@ -456,7 +387,7 @@ class GerberCairoContext(GerberContext): self.ctx.move_to(*start) self.ctx.line_to(*end) self.ctx.stroke() - + def _render_amgroup(self, amgroup, color): self.ctx.push_group() for primitive in amgroup.primitives: @@ -478,7 +409,7 @@ class GerberCairoContext(GerberContext): for coord in position]) self.ctx.scale(1, -1) self.ctx.show_text(primitive.net_name) - self.ctx.scale(1, -1) + self.ctx.scale(1, -1) def _new_render_layer(self, color=None): size_in_pixels = self.scale_point(self.size_in_inch) @@ -498,11 +429,7 @@ class GerberCairoContext(GerberContext): def _flatten(self): self.output_ctx.set_operator(cairo.OPERATOR_OVER) -<<<<<<< HEAD - ptn = cairo.SurfacePattern(self.active_layer) -======= ptn = cairo.SurfacePattern(self.active_layer) ->>>>>>> 5476da8... Fix a bunch of rendering bugs. ptn.set_matrix(self._xform_matrix) self.output_ctx.set_source(ptn) self.output_ctx.paint() @@ -510,19 +437,11 @@ class GerberCairoContext(GerberContext): self.active_layer = None def _paint_background(self, force=False): - if (not self.bg) or force: + if (not self.bg) or force: self.bg = True self.output_ctx.set_operator(cairo.OPERATOR_OVER) -<<<<<<< HEAD self.output_ctx.set_source_rgba(self.background_color[0], self.background_color[1], self.background_color[2], alpha=1.0) self.output_ctx.paint() def scale_point(self, point): return tuple([coord * scale for coord, scale in zip(point, self.scale)]) -======= - self.output_ctx.set_source_rgba(*self.background_color, alpha=1.0) - self.output_ctx.paint() - - def scale_point(self, point): - return tuple([coord * scale for coord, scale in zip(point, self.scale)]) ->>>>>>> 5476da8... Fix a bunch of rendering bugs. -- cgit From d7a0f3ad2b62402f4af9abe2729f9a7c14814fe6 Mon Sep 17 00:00:00 2001 From: Hamilton Kibbe Date: Sun, 6 Nov 2016 14:58:32 -0500 Subject: Remove debug print" --- gerber/render/cairo_backend.py | 1 - 1 file changed, 1 deletion(-) (limited to 'gerber/render') diff --git a/gerber/render/cairo_backend.py b/gerber/render/cairo_backend.py index 2ba022f..810351b 100644 --- a/gerber/render/cairo_backend.py +++ b/gerber/render/cairo_backend.py @@ -131,7 +131,6 @@ class GerberCairoContext(GerberContext): f.write(self.surface_buffer.read()) f.flush() else: - print("Wriitng To Png: filename: {}".format(filename)) return self.surface.write_to_png(filename) def dump_str(self): -- cgit From 6db0658e2336d6405fe1a6acd10dfab39ba8e7ff Mon Sep 17 00:00:00 2001 From: Hamilton Kibbe Date: Sun, 6 Nov 2016 15:08:00 -0500 Subject: Fix tests on python3 --- gerber/render/cairo_backend.py | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'gerber/render') diff --git a/gerber/render/cairo_backend.py b/gerber/render/cairo_backend.py index 810351b..6e95446 100644 --- a/gerber/render/cairo_backend.py +++ b/gerber/render/cairo_backend.py @@ -21,8 +21,7 @@ try: except ImportError: import cairocffi as cairo -import math -from operator import mul, div +from operator import mul import tempfile import copy import os -- cgit From 369ac7b2a33b0de2e95eb2f0ec38d543ad7ca98d Mon Sep 17 00:00:00 2001 From: Girts Folkmanis Date: Mon, 7 Nov 2016 17:11:07 -0800 Subject: cairo_backend.py: use BytesIO instead of StringIO This fixes a crash in cairocffi on Python3, and should be compatible with both python2 and python3. In python2, byte strings are just strings. In python3, when getting binary data, the user probably wants a byte string instead of a regular string. --- gerber/render/cairo_backend.py | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) (limited to 'gerber/render') diff --git a/gerber/render/cairo_backend.py b/gerber/render/cairo_backend.py index df4fcf1..d7026b8 100644 --- a/gerber/render/cairo_backend.py +++ b/gerber/render/cairo_backend.py @@ -25,10 +25,7 @@ from .render import GerberContext, RenderSettings from .theme import THEMES from ..primitives import * -try: - from cStringIO import StringIO -except(ImportError): - from io import StringIO +from io import BytesIO class GerberCairoContext(GerberContext): @@ -125,9 +122,9 @@ class GerberCairoContext(GerberContext): self.surface.write_to_png(filename) def dump_str(self): - """ Return a string containing the rendered image. + """ Return a byte-string containing the rendered image. """ - fobj = StringIO() + fobj = BytesIO() self.surface.write_to_png(fobj) return fobj.getvalue() -- cgit