spec/font_spec.rb in prawn-0.12.0 vs spec/font_spec.rb in prawn-0.13.0
- old
+ new
@@ -1,19 +1,45 @@
# encoding: utf-8
-require File.join(File.expand_path(File.dirname(__FILE__)), "spec_helper")
-require 'iconv'
+require File.join(File.expand_path(File.dirname(__FILE__)), "spec_helper")
+require 'pathname'
-describe "Font behavior" do
+describe "Font behavior" do
it "should default to Helvetica if no font is specified" do
@pdf = Prawn::Document.new
@pdf.font.name.should == "Helvetica"
end
end
+describe "Font objects" do
+
+ it "should be equal" do
+ font1 = Prawn::Document.new.font
+ font2 = Prawn::Document.new.font
+
+ font1.should eql( font2 )
+ end
+
+ it "should always be the same key" do
+ font1 = Prawn::Document.new.font
+ font2 = Prawn::Document.new.font
+
+ hash = Hash.new
+
+ hash[ font1 ] = "Original"
+ hash[ font2 ] = "Overwritten"
+
+ hash.size.should == 1
+
+ hash[ font1 ].should == "Overwritten"
+ hash[ font2 ].should == "Overwritten"
+ end
+
+end
+
describe "#width_of" do
it "should take character spacing into account" do
create_pdf
original_width = @pdf.width_of("hello world")
@pdf.character_spacing(7) do
@@ -22,15 +48,44 @@
end
it "should exclude newlines" do
create_pdf
# Use a TTF font that has a non-zero width for \n
- @pdf.font("#{Prawn::BASEDIR}/data/fonts/gkai00mp.ttf")
+ @pdf.font("#{Prawn::DATADIR}/fonts/gkai00mp.ttf")
@pdf.width_of("\nhello world\n").should ==
@pdf.width_of("hello world")
end
+
+ it "should take formatting into account" do
+ create_pdf
+
+ normal_hello = @pdf.width_of("hello")
+ inline_bold_hello = @pdf.width_of("<b>hello</b>", :inline_format => true)
+ @pdf.font("Helvetica", :style => :bold) {
+ @bold_hello = @pdf.width_of("hello")
+ }
+
+ inline_bold_hello.should be > normal_hello
+ inline_bold_hello.should == @bold_hello
+ end
+
+ it "should accept :style as an argument" do
+ create_pdf
+
+ styled_bold_hello = @pdf.width_of("hello", :style => :bold)
+ @pdf.font("Helvetica", :style => :bold) {
+ @bold_hello = @pdf.width_of("hello")
+ }
+
+ styled_bold_hello.should == @bold_hello
+ end
+
+ # This is not a fully confirmed bug report... needs further investigation
+ it "should not treat minus as if it were a hyphen", :unresolved, :issue => 578 do
+ @pdf.width_of("-0.75").should be < @pdf.width_of("25.00")
+ end
end
describe "#font_size" do
it "should allow setting font size in DSL style" do
create_pdf
@@ -39,42 +94,42 @@
end
end
describe "font style support" do
before(:each) { create_pdf }
-
+
it "should complain if there is no @current_page" do
pdf_without_page = Prawn::Document.new(:skip_page_creation => true)
lambda{ pdf_without_page.font "Helvetica" }.
- should.raise(Prawn::Errors::NotOnPage)
+ should raise_error(Prawn::Errors::NotOnPage)
end
-
- it "should allow specifying font style by style name and font family" do
+
+ it "should allow specifying font style by style name and font family" do
@pdf.font "Courier", :style => :bold
- @pdf.text "In Courier bold"
-
+ @pdf.text "In Courier bold"
+
@pdf.font "Courier", :style => :bold_italic
- @pdf.text "In Courier bold-italic"
-
+ @pdf.text "In Courier bold-italic"
+
@pdf.font "Courier", :style => :italic
- @pdf.text "In Courier italic"
-
+ @pdf.text "In Courier italic"
+
@pdf.font "Courier", :style => :normal
- @pdf.text "In Normal Courier"
-
+ @pdf.text "In Normal Courier"
+
@pdf.font "Helvetica"
- @pdf.text "In Normal Helvetica"
-
+ @pdf.text "In Normal Helvetica"
+
text = PDF::Inspector::Text.analyze(@pdf.render)
- text.font_settings.map { |e| e[:name] }.should ==
- [:"Courier-Bold", :"Courier-BoldOblique", :"Courier-Oblique",
+ text.font_settings.map { |e| e[:name] }.should ==
+ [:"Courier-Bold", :"Courier-BoldOblique", :"Courier-Oblique",
:Courier, :Helvetica]
end
it "should allow font familes to be defined in a single dfont" do
- file = "#{Prawn::BASEDIR}/data/fonts/Action Man.dfont"
+ file = "#{Prawn::DATADIR}/fonts/Action Man.dfont"
@pdf.font_families["Action Man"] = {
:normal => { :file => file, :font => "ActionMan" },
:italic => { :file => file, :font => "ActionMan-Italic" },
:bold => { :file => file, :font => "ActionMan-Bold" },
:bold_italic => { :file => file, :font => "ActionMan-BoldItalic" }
@@ -86,28 +141,43 @@
text = PDF::Inspector::Text.analyze(@pdf.render)
name = text.font_settings.map { |e| e[:name] }.first.to_s
name = name.sub(/\w+\+/, "subset+")
name.should == "subset+ActionMan-Italic"
end
+
+ it "should accept Pathname objects for font files" do
+ file = Pathname.new( "#{Prawn::DATADIR}/fonts/Chalkboard.ttf" )
+ @pdf.font_families["Chalkboard"] = {
+ :normal => file
+ }
+
+ @pdf.font "Chalkboard"
+ @pdf.text "In Chalkboard"
+
+ text = PDF::Inspector::Text.analyze(@pdf.render)
+ name = text.font_settings.map { |e| e[:name] }.first.to_s
+ name = name.sub(/\w+\+/, "subset+")
+ name.should == "subset+Chalkboard"
+ end
end
describe "Transactional font handling" do
before(:each) { create_pdf }
-
+
it "should allow setting of size directly when font is created" do
@pdf.font "Courier", :size => 16
- @pdf.font_size.should == 16
+ @pdf.font_size.should == 16
end
-
+
it "should allow temporary setting of a new font using a transaction" do
@pdf.font "Helvetica", :size => 12
-
+
@pdf.font "Courier", :size => 16 do
@pdf.font.name.should == "Courier"
@pdf.font_size.should == 16
end
-
+
@pdf.font.name.should == "Helvetica"
@pdf.font_size.should == 12
end
it "should mask font size when using a transacation" do
@@ -118,154 +188,157 @@
@pdf.font "Times-Roman"
@pdf.font "Courier"
@pdf.font_size.should == 12
end
-
+
end
describe "Document#page_fonts" do
- before(:each) { create_pdf }
-
+ before(:each) { create_pdf }
+
it "should register fonts properly by page" do
@pdf.font "Courier"; @pdf.text("hello")
@pdf.font "Helvetica"; @pdf.text("hello")
@pdf.font "Times-Roman"; @pdf.text("hello")
["Courier","Helvetica","Times-Roman"].each { |f|
page_should_include_font(f)
- }
-
- @pdf.start_new_page
+ }
+
+ @pdf.start_new_page
@pdf.font "Helvetica"; @pdf.text("hello")
page_should_include_font("Helvetica")
page_should_not_include_font("Courier")
page_should_not_include_font("Times-Roman")
- end
-
+ end
+
def page_includes_font?(font)
@pdf.page.fonts.values.map { |e| e.data[:BaseFont] }.include?(font.to_sym)
- end
-
- def page_should_include_font(font)
- assert_block("Expected page to include font: #{font}") do
- page_includes_font?(font)
- end
- end
-
+ end
+
+ def page_should_include_font(font)
+ page_includes_font?(font).should be_true
+ end
+
def page_should_not_include_font(font)
- assert_block("Did not expect page to include font: #{font}") do
- not page_includes_font?(font)
- end
+ page_includes_font?(font).should be_false
end
-
+
end
-
+
describe "AFM fonts" do
-
- setup do
+
+ before do
create_pdf
@times = @pdf.find_font "Times-Roman"
- @iconv = ::Iconv.new('Windows-1252', 'utf-8')
end
-
+
it "should calculate string width taking into account accented characters" do
- @times.compute_width_of(@iconv.iconv("é"), :size => 12).should == @times.compute_width_of("e", :size => 12)
+ input = win1252_string("\xE9")# é in win-1252
+ @times.compute_width_of(input, :size => 12).should == @times.compute_width_of("e", :size => 12)
end
-
+
it "should calculate string width taking into account kerning pairs" do
- @times.compute_width_of(@iconv.iconv("To"), :size => 12).should == 13.332
- @times.compute_width_of(@iconv.iconv("To"), :size => 12, :kerning => true).should == 12.372
- @times.compute_width_of(@iconv.iconv("Tö"), :size => 12, :kerning => true).should == 12.372
+ @times.compute_width_of(win1252_string("To"), :size => 12).should == 13.332
+ @times.compute_width_of(win1252_string("To"), :size => 12, :kerning => true).should == 12.372
+
+ input = win1252_string("T\xF6") # Tö in win-1252
+ @times.compute_width_of(input, :size => 12, :kerning => true).should == 12.372
end
it "should encode text without kerning by default" do
- @times.encode_text(@iconv.iconv("To")).should == [[0, "To"]]
- @times.encode_text(@iconv.iconv("Télé")).should == [[0, @iconv.iconv("Télé")]]
- @times.encode_text(@iconv.iconv("Technology")).should == [[0, "Technology"]]
- @times.encode_text(@iconv.iconv("Technology...")).should == [[0, "Technology..."]]
+ @times.encode_text(win1252_string("To")).should == [[0, "To"]]
+ input = win1252_string("T\xE9l\xE9") # Télé in win-1252
+ @times.encode_text(input).should == [[0, input]]
+ @times.encode_text(win1252_string("Technology")).should == [[0, "Technology"]]
+ @times.encode_text(win1252_string("Technology...")).should == [[0, "Technology..."]]
end
it "should encode text with kerning if requested" do
- @times.encode_text(@iconv.iconv("To"), :kerning => true).should == [[0, ["T", 80, "o"]]]
- @times.encode_text(@iconv.iconv("Télé"), :kerning => true).should == [[0, ["T", 70, @iconv.iconv("élé")]]]
- @times.encode_text(@iconv.iconv("Technology"), :kerning => true).should == [[0, ["T", 70, "echnology"]]]
- @times.encode_text(@iconv.iconv("Technology..."), :kerning => true).should == [[0, ["T", 70, "echnology", 65, "..."]]]
+ @times.encode_text(win1252_string("To"), :kerning => true).should == [[0, ["T", 80, "o"]]]
+ input = win1252_string("T\xE9l\xE9") # Télé in win-1252
+ output = win1252_string("\xE9l\xE9") # élé in win-1252
+ @times.encode_text(input, :kerning => true).should == [[0, ["T", 70, output]]]
+ @times.encode_text(win1252_string("Technology"), :kerning => true).should == [[0, ["T", 70, "echnology"]]]
+ @times.encode_text(win1252_string("Technology..."), :kerning => true).should == [[0, ["T", 70, "echnology", 65, "..."]]]
end
describe "when normalizing encoding" do
it "should not modify the original string when normalize_encoding() is used" do
original = "Foo"
normalized = @times.normalize_encoding(original)
- assert ! original.equal?(normalized)
+ original.equal?(normalized).should be_false
end
it "should modify the original string when normalize_encoding!() is used" do
original = "Foo"
normalized = @times.normalize_encoding!(original)
- assert original.equal?(normalized)
+ original.equal?(normalized).should be_true
end
end
it "should omit /Encoding for symbolic fonts" do
zapf = @pdf.find_font "ZapfDingbats"
font_dict = zapf.send(:register, nil)
font_dict.data[:Encoding].should == nil
end
-
+
end
describe "#glyph_present" do
before(:each) { create_pdf }
it "should return true when present in an AFM font" do
font = @pdf.find_font("Helvetica")
- font.glyph_present?("H").should.be true
+ font.glyph_present?("H").should be_true
end
it "should return false when absent in an AFM font" do
font = @pdf.find_font("Helvetica")
- font.glyph_present?("再").should.be false
+ font.glyph_present?("再").should be_false
end
it "should return true when present in a TTF font" do
- font = @pdf.find_font("#{Prawn::BASEDIR}/data/fonts/Activa.ttf")
- font.glyph_present?("H").should.be true
+ font = @pdf.find_font("#{Prawn::DATADIR}/fonts/Activa.ttf")
+ font.glyph_present?("H").should be_true
end
it "should return false when absent in a TTF font" do
- font = @pdf.find_font("#{Prawn::BASEDIR}/data/fonts/Activa.ttf")
- font.glyph_present?("再").should.be false
+ font = @pdf.find_font("#{Prawn::DATADIR}/fonts/Activa.ttf")
+ font.glyph_present?("再").should be_false
- font = @pdf.find_font("#{Prawn::BASEDIR}/data/fonts/gkai00mp.ttf")
- font.glyph_present?("€").should.be false
+ font = @pdf.find_font("#{Prawn::DATADIR}/fonts/gkai00mp.ttf")
+ font.glyph_present?("€").should be_false
end
end
describe "TTF fonts" do
-
- setup do
+
+ before do
create_pdf
- @activa = @pdf.find_font "#{Prawn::BASEDIR}/data/fonts/Activa.ttf"
+ @activa = @pdf.find_font "#{Prawn::DATADIR}/fonts/Activa.ttf"
end
-
+
it "should calculate string width taking into account accented characters" do
@activa.compute_width_of("é", :size => 12).should == @activa.compute_width_of("e", :size => 12)
end
-
+
it "should calculate string width taking into account kerning pairs" do
@activa.compute_width_of("To", :size => 12).should == 15.228
@activa.compute_width_of("To", :size => 12, :kerning => true).should == 12.996
end
-
+
it "should encode text without kerning by default" do
@activa.encode_text("To").should == [[0, "To"]]
- tele = (RUBY_VERSION < '1.9') ? "T\216l\216" :
- "T\216l\216".force_encoding("US-ASCII")
- @activa.encode_text("Télé").should == [[0, tele]]
+ tele = "T\216l\216"
+ result = @activa.encode_text("Télé")
+ result.length.should == 1
+ result[0][0].should == 0
+ result[0][1].bytes.to_a.should == tele.bytes.to_a
@activa.encode_text("Technology").should == [[0, "Technology"]]
@activa.encode_text("Technology...").should == [[0, "Technology..."]]
@activa.encode_text("Teχnology...").should == [[0, "Te"], [1, "!"], [0, "nology..."]]
end
@@ -276,42 +349,55 @@
@activa.encode_text("Technology", :kerning => true).should == [[0, ["T", 186.0, "echnology"]]]
@activa.encode_text("Technology...", :kerning => true).should == [[0, ["T", 186.0, "echnology", 88.0, "..."]]]
@activa.encode_text("Teχnology...", :kerning => true).should == [[0, ["T", 186.0, "e"]], [1, "!"], [0, ["nology", 88.0, "..."]]]
end
+ it "should use the ascender, descender, and cap height from the TTF verbatim" do
+ # These metrics are relative to the font's own bbox. They should not be
+ # scaled with font size.
+ ref = @pdf.ref!({})
+ @activa.send :embed, ref, 0
+
+ # Pull out the embedded font descriptor
+ descriptor = ref.data[:FontDescriptor].data
+ descriptor[:Ascent].should == 804
+ descriptor[:Descent].should == -195
+ descriptor[:CapHeight].should == 804
+ end
+
describe "when normalizing encoding" do
it "should not modify the original string when normalize_encoding() is used" do
original = "Foo"
normalized = @activa.normalize_encoding(original)
- assert ! original.equal?(normalized)
+ original.equal?(normalized).should be_false
end
it "should modify the original string when normalize_encoding!() is used" do
original = "Foo"
normalized = @activa.normalize_encoding!(original)
- assert original.equal?(normalized)
+ original.equal?(normalized).should be_true
end
end
describe "when used with snapshots or transactions" do
-
+
it "should allow TTF fonts to be used alongside document transactions" do
lambda {
Prawn::Document.new do
- font "#{Prawn::BASEDIR}/data/fonts/DejaVuSans.ttf"
+ font "#{Prawn::DATADIR}/fonts/DejaVuSans.ttf"
text "Hi there"
transaction { text "Nice, thank you" }
end
- }.should.not.raise
+ }.should_not raise_error
end
it "should allow TTF fonts to be used inside transactions" do
pdf = Prawn::Document.new do
transaction do
- font "#{Prawn::BASEDIR}/data/fonts/DejaVuSans.ttf"
+ font "#{Prawn::DATADIR}/fonts/DejaVuSans.ttf"
text "Hi there"
end
end
text = PDF::Inspector::Text.analyze(pdf.render)
@@ -319,17 +405,17 @@
name = name.sub(/\w+\+/, "subset+")
name.should == "subset+DejaVuSans"
end
end
-
+
end
describe "DFont fonts" do
- setup do
+ before do
create_pdf
- @file = "#{Prawn::BASEDIR}/data/fonts/Action Man.dfont"
+ @file = "#{Prawn::DATADIR}/fonts/Action Man.dfont"
end
it "should list all named fonts" do
list = Prawn::Font::DFont.named_fonts(@file)
list.sort.should == %w(ActionMan ActionMan-Italic ActionMan-Bold ActionMan-BoldItalic).sort
@@ -355,19 +441,19 @@
end
it "should cache font object based on selected font" do
f1 = @pdf.find_font(@file, :font => "ActionMan")
f2 = @pdf.find_font(@file, :font => "ActionMan-Bold")
- assert_not_equal f1.object_id, f2.object_id
- assert_equal f1.object_id, @pdf.find_font(@file, :font => "ActionMan").object_id
- assert_equal f2.object_id, @pdf.find_font(@file, :font => "ActionMan-Bold").object_id
+ f2.object_id.should_not == f1.object_id
+ @pdf.find_font(@file, :font => "ActionMan").object_id.should == f1.object_id
+ @pdf.find_font(@file, :font => "ActionMan-Bold").object_id.should == f2.object_id
end
end
describe "#character_count(text)" do
it "should work on TTF fonts" do
create_pdf
- @pdf.font("#{Prawn::BASEDIR}/data/fonts/gkai00mp.ttf")
+ @pdf.font("#{Prawn::DATADIR}/fonts/gkai00mp.ttf")
@pdf.font.character_count("こんにちは世界").should == 7
@pdf.font.character_count("Hello, world!").should == 13
end
it "should work on AFM fonts" do