Permalink
Find file
Fetching contributors…
Cannot retrieve contributors at this time
210 lines (157 sloc) 5.96 KB
# encoding: utf-8
require File.join(File.expand_path(File.dirname(__FILE__)), "spec_helper")
describe "When drawing a line" do
before(:each) { create_pdf }
it "should draw a line from (100,600) to (100,500)" do
@pdf.line([100,600],[100,500])
line_drawing = PDF::Inspector::Graphics::Line.analyze(@pdf.render)
line_drawing.points.should == [[100,600],[100,500]]
end
it "should draw two lines at (100,600) to (100,500) " +
"and (75,100) to (50,125)" do
@pdf.line(100,600,100,500)
@pdf.line(75,100,50,125)
line_drawing = PDF::Inspector::Graphics::Line.analyze(@pdf.render)
line_drawing.points.should ==
[[100.0, 600.0], [100.0, 500.0], [75.0, 100.0], [50.0, 125.0]]
end
it "should properly set line width via line_width=" do
@pdf.line_width = 10
line = PDF::Inspector::Graphics::Line.analyze(@pdf.render)
line.widths.first.should == 10
end
it "should properly set line width via line_width(width)" do
@pdf.line_width(10)
line = PDF::Inspector::Graphics::Line.analyze(@pdf.render)
line.widths.first.should == 10
end
describe "(Horizontally)" do
it "should draw from [x1,pdf.y],[x2,pdf.y]" do
@pdf.horizontal_line(100,150)
@line = PDF::Inspector::Graphics::Line.analyze(@pdf.render)
@line.points.should == [[100.0 + @pdf.bounds.absolute_left, @pdf.y],
[150.0 + @pdf.bounds.absolute_left, @pdf.y]]
end
it "should draw a line from (200, 250) to (300, 250)" do
@pdf.horizontal_line(200,300,:at => 250)
line_drawing = PDF::Inspector::Graphics::Line.analyze(@pdf.render)
line_drawing.points.should == [[200,250],[300,250]]
end
end
describe "(Vertically)" do
it "should draw a line from (350, 300) to (350, 400)" do
@pdf.vertical_line(300,400,:at => 350)
line_drawing = PDF::Inspector::Graphics::Line.analyze(@pdf.render)
line_drawing.points.should == [[350,300],[350,400]]
end
it "should require a y coordinate" do
lambda { @pdf.vertical_line(400,500) }.
should.raise(ArgumentError)
end
end
end
describe "When drawing a polygon" do
before(:each) { create_pdf }
it "should draw each line passed to polygon()" do
@pdf.polygon([100,500],[100,400],[200,400])
line_drawing = PDF::Inspector::Graphics::Line.analyze(@pdf.render)
line_drawing.points.should == [[100,500],[100,400],[200,400],[100,500]]
end
end
describe "When drawing a rectangle" do
before(:each) { create_pdf }
it "should use a point, width, and height for coords" do
@pdf.rectangle [200,200], 50, 100
rectangles = PDF::Inspector::Graphics::Rectangle.
analyze(@pdf.render).rectangles
# PDF uses bottom left corner
rectangles[0][:point].should == [200,100]
rectangles[0][:width].should == 50
rectangles[0][:height].should == 100
end
end
describe "When drawing a curve" do
before(:each) { create_pdf }
it "should draw a bezier curve from 50,50 to 100,100" do
@pdf.move_to [50,50]
@pdf.curve_to [100,100],:bounds => [[20,90], [90,70]]
curve = PDF::Inspector::Graphics::Curve.analyze(@pdf.render)
curve.coords.should == [50.0, 50.0, 20.0, 90.0, 90.0, 70.0, 100.0, 100.0]
end
it "should draw a bezier curve from 100,100 to 50,50" do
@pdf.curve [100,100], [50,50], :bounds => [[20,90], [90,75]]
curve = PDF::Inspector::Graphics::Curve.analyze(@pdf.render)
curve.coords.should == [100.0, 100.0, 20.0, 90.0, 90.0, 75.0, 50.0, 50.0]
end
end
describe "When drawing an ellipse" do
before(:each) do
create_pdf
@pdf.ellipse_at [100,100], 25, 50
@curve = PDF::Inspector::Graphics::Curve.analyze(@pdf.render)
end
it "should move the pointer to the center of the ellipse after drawing" do
@curve.coords[-2..-1].should == [100,100]
end
end
describe "When drawing a circle" do
before(:each) do
create_pdf
@pdf.circle_at [100,100], :radius => 25
@pdf.ellipse_at [100,100], 25, 25
@curve = PDF::Inspector::Graphics::Curve.analyze(@pdf.render)
end
it "should stroke the same path as the equivalent ellipse" do
middle = @curve.coords.length / 2
@curve.coords[0...middle].should == @curve.coords[middle..-1]
end
end
describe "When setting colors" do
before(:each) { create_pdf }
it "should set stroke colors" do
@pdf.stroke_color "ffcccc"
colors = PDF::Inspector::Graphics::Color.analyze(@pdf.render)
# 100% red, 80% green, 80% blue
colors.stroke_color.should == [1.0, 0.8, 0.8]
end
it "should set fill colors" do
@pdf.fill_color "ccff00"
colors = PDF::Inspector::Graphics::Color.analyze(@pdf.render)
# 80% red, 100% green, 0% blue
colors.fill_color.should == [0.8,1.0,0]
end
it "should reset the colors on each new page if they have been defined" do
@pdf.fill_color "ccff00"
colors = PDF::Inspector::Graphics::Color.analyze(@pdf.render)
colors.fill_color_count.should == 2
colors.stroke_color_count.should == 1
@pdf.start_new_page
@pdf.stroke_color "ff00cc"
colors = PDF::Inspector::Graphics::Color.analyze(@pdf.render)
colors.fill_color_count.should == 3
colors.stroke_color_count.should == 3
@pdf.start_new_page
colors = PDF::Inspector::Graphics::Color.analyze(@pdf.render)
colors.fill_color_count.should == 4
colors.stroke_color_count.should == 4
colors.fill_color.should == [0.8,1.0,0.0]
colors.stroke_color.should == [1.0,0.0,0.8]
end
end
describe "When using painting shortcuts" do
before(:each) { create_pdf }
it "should convert stroke_some_method(args) into some_method(args); stroke" do
@pdf.expects(:line_to).with([100,100])
@pdf.expects(:stroke)
@pdf.stroke_line_to [100,100]
end
it "should convert fill_some_method(args) into some_method(args); fill" do
@pdf.expects(:line_to).with([100,100])
@pdf.expects(:fill)
@pdf.fill_line_to [100,100]
end
it "should not break method_missing" do
lambda { @pdf.i_have_a_pretty_girlfriend_named_jia }.
should.raise(NoMethodError)
end
end