Module: FFITest
- Includes:
- FreeType::C
- Defined in:
- lib/freetype/c_test.rb
Constant Summary collapse
- FONTS =
['data/Prida01.otf', 'data/Starjedi.ttf']
Constants included from FreeType::C
FreeType::C::FT_ENC_TAG, FreeType::C::FT_Encoding, FreeType::C::FT_Glyph_Format, FreeType::C::FT_IMAGE_TAG, FreeType::C::FT_Kerning_Mode, FreeType::C::FT_LOAD_COLOR, FreeType::C::FT_LOAD_COMPUTE_METRICS, FreeType::C::FT_LOAD_CROP_BITMAP, FreeType::C::FT_LOAD_DEFAULT, FreeType::C::FT_LOAD_FORCE_AUTOHINT, FreeType::C::FT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH, FreeType::C::FT_LOAD_IGNORE_TRANSFORM, FreeType::C::FT_LOAD_LINEAR_DESIGN, FreeType::C::FT_LOAD_MONOCHROME, FreeType::C::FT_LOAD_NO_AUTOHINT, FreeType::C::FT_LOAD_NO_BITMAP, FreeType::C::FT_LOAD_NO_HINTING, FreeType::C::FT_LOAD_NO_RECURSE, FreeType::C::FT_LOAD_NO_SCALE, FreeType::C::FT_LOAD_PEDANTIC, FreeType::C::FT_LOAD_RENDER, FreeType::C::FT_LOAD_VERTICAL_LAYOUT
Instance Method Summary collapse
- #libopen ⇒ Object
- #test_char(t) ⇒ Object
- #test_Face(t) ⇒ Object
- #test_FT_Get_Glyph_Name(t) ⇒ Object
- #test_FT_Outline_Decompose(t) ⇒ Object
- #test_FT_Outline_Embolden(t) ⇒ Object
- #test_FT_Outline_Reverse(t) ⇒ Object
- #test_FT_Outline_Transform(t) ⇒ Object
- #test_FT_Set_Char_Size(t) ⇒ Object
- #test_Library(t) ⇒ Object
Methods included from FreeType::C::LazyAttach
Instance Method Details
#libopen ⇒ Object
8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 |
# File 'lib/freetype/c_test.rb', line 8 def libopen library = ::FFI::MemoryPointer.new(:pointer) err = FT_Init_FreeType(library) raise FreeType::Error.find(err) unless err == 0 FONTS.each do |font| face = ::FFI::MemoryPointer.new(:pointer) begin err = FT_New_Face(library.get_pointer(0), font, 0, face) raise FreeType::Error.find(err) unless err == 0 yield FT_FaceRec.new(face.get_pointer(0)), font ensure err = FT_Done_Face(face.get_pointer(0)) raise FreeType::Error.find(err) unless err == 0 end end ensure err = FT_Done_Library(library.get_pointer(0)) raise FreeType::Error.find(err) unless err == 0 end |
#test_char(t) ⇒ Object
193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 |
# File 'lib/freetype/c_test.rb', line 193 def test_char(t) libopen do |face, _font| err = FT_Set_Char_Size(face, 0, 32, 300, 300) if err != 0 t.fatal FreeType::Error.find(err). end before_glyph_id = nil %w(i e f g A W & * @ % - + < >).concat([' ', 'あ', ' ', "\n"]).each do |char| glyph_id = FT_Get_Char_Index(face, char.ord) if glyph_id == 0 unless /あ| |\n/.match(char) t.error('ascii char is undefined') end next end if before_glyph_id v = FT_Vector.new err = FT_Get_Kerning(face, before_glyph_id, glyph_id, :FT_KERNING_UNFITTED, v) if err != 0 t.error FreeType::Error.find(err). end unless Fixnum === v[:x] && Fixnum === v[:y] t.error 'cannot get kerning value from FT_Get_Kerning()' end end err = FT_Load_Char(face, char.ord, FreeType::C::FT_LOAD_DEFAULT) if err != 0 t.error FreeType::Error.find(err). end size = face[:size] unless FT_SizeRec === size t.error 'Miss Struct bind' end size_metrics = face[:size][:metrics] unless FT_Size_Metrics === size_metrics t.error 'Miss Struct bind' end glyph = face[:glyph] unless FT_GlyphSlotRec === glyph t.error 'Miss Struct bind' end glyph_metrics = face[:glyph][:metrics] unless FT_Glyph_Metrics === glyph_metrics t.error 'Miss Struct bind' end outline = face[:glyph][:outline] unless 0 <= outline[:n_points] t.error "n_outline:#{outline[:n_points]} Cannot get FT_Outline.n_prints member from ffi" end unless 0 <= outline[:n_contours] t.error "n_contours:#{outline[:n_contours]} Cannot get FT_Outline.n_contours member from ffi" end end_ptd_of_counts = outline[:contours].get_array_of_short(0, outline[:n_contours]) unless end_ptd_of_counts.all? { |i| Fixnum === i } t.error 'FT_Outline.contours is array if short. broken or fail when get form ffi.' end = outline[:tags].get_array_of_char(0, outline[:n_points]) unless .all? { |i| Fixnum === i } t.error 'FT_Outline.tags is array of char. broken or fail when get form ffi.' end points = outline[:n_points].times.map do |i| FT_Vector.new(outline[:points] + i * FT_Vector.size) end points.each do |i| unless i[:x].kind_of?(Fixnum) && i[:y].kind_of?(Fixnum) t.error('Miss assignment from ffi') end end before_glyph_id = glyph_id end end end |
#test_Face(t) ⇒ Object
57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 |
# File 'lib/freetype/c_test.rb', line 57 def test_Face(t) library = ::FFI::MemoryPointer.new(:pointer) err = FT_Init_FreeType(library) if err != 0 t.fatal FreeType::Error.find(err). end FONTS.each do |font| face = ::FFI::MemoryPointer.new(:pointer) err = FT_New_Face(library.get_pointer(0), font, 0, face) if err != 0 t.fatal FreeType::Error.find(err). end begin face = FT_FaceRec.new(face.get_pointer(0)) err = FT_Select_Charmap(face, :FT_ENCODING_UNICODE) if err != 0 t.error FreeType::Error.find(err). end ensure err = FT_Done_Face(face) if err != 0 t.error FreeType::Error.find(err). end end end ensure err = FT_Done_Library(library.get_pointer(0)) if err != 0 t.error FreeType::Error.find(err). end end |
#test_FT_Get_Glyph_Name(t) ⇒ Object
104 105 106 107 108 109 110 111 112 113 114 115 |
# File 'lib/freetype/c_test.rb', line 104 def test_FT_Get_Glyph_Name(t) libopen do |face| buff = FFI::MemoryPointer.new(:pointer) err = FT_Get_Glyph_Name(face, 0, buff, 32) if err != 0 t.error FreeType::Error.find(err). end unless String === buff.get_string(0) t.error 'May buffering miss?' end end end |
#test_FT_Outline_Decompose(t) ⇒ Object
117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 |
# File 'lib/freetype/c_test.rb', line 117 def test_FT_Outline_Decompose(t) libopen do |face| t.error('err') if FT_Set_Char_Size(face, 0, 32, 300, 300) != 0 t.error('err') if FT_Load_Char(face, 'a'.ord, FreeType::C::FT_LOAD_DEFAULT) != 0 vectors = [] outline_funcs = FT_Outline_Funcs.new outline_funcs[:move_to] = Proc.new { |to| vectors << ['M', to[:x], to[:y]] 0 } outline_funcs[:line_to] = Proc.new { |to| vectors << ['L', to[:x], to[:y]] 0 } outline_funcs[:conic_to] = Proc.new { |ctrl, to| vectors << ['Q', ctrl[:x], ctrl[:y], to[:x], to[:y]] 0 } outline_funcs[:cubic_to] = Proc.new { |ctrl1, ctrl2, to| vectors << ['C', ctrl1[:x], ctrl1[:y], ctrl2[:x], ctrl2[:y], to[:x], to[:y]] 0 } err = FT_Outline_Decompose(face[:glyph][:outline], outline_funcs, nil) if err != 0 t.error FreeType::Error.find(err). end if vectors.empty? t.error "callbacks was not called" end end end |
#test_FT_Outline_Embolden(t) ⇒ Object
150 151 152 153 154 155 156 157 158 159 160 161 162 |
# File 'lib/freetype/c_test.rb', line 150 def test_FT_Outline_Embolden(t) libopen do |face| t.error('err') if FT_Set_Char_Size(face, 0, 32, 300, 300) != 0 t.error('err') if FT_Load_Char(face, 'a'.ord, FreeType::C::FT_LOAD_DEFAULT) != 0 if face[:glyph][:format] != :FT_GLYPH_FORMAT_OUTLINE t.error "cannot call FT_Outline_Embolden() to format: `#{face[:glyph][:format]}'" end err = FT_Outline_Embolden(face[:glyph][:outline], 1 << 6) if err != 0 t.error FreeType::Error.find(err). end end end |
#test_FT_Outline_Reverse(t) ⇒ Object
183 184 185 186 187 188 189 190 191 |
# File 'lib/freetype/c_test.rb', line 183 def test_FT_Outline_Reverse(t) libopen do |face| t.error('err') if FT_Set_Char_Size(face, 0, 32, 300, 300) != 0 t.error('err') if FT_Load_Char(face, 'a'.ord, FreeType::C::FT_LOAD_DEFAULT) != 0 unless FT_Outline_Reverse(face[:glyph][:outline]).nil? t.error 'return value was break' end end end |
#test_FT_Outline_Transform(t) ⇒ Object
164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 |
# File 'lib/freetype/c_test.rb', line 164 def test_FT_Outline_Transform(t) libopen do |face| t.error('err') if FT_Set_Char_Size(face, 0, 32, 300, 300) != 0 t.error('err') if FT_Load_Char(face, 'a'.ord, FreeType::C::FT_LOAD_DEFAULT) != 0 if face[:glyph][:format] != :FT_GLYPH_FORMAT_OUTLINE t.error "cannot call FT_Outline_Embolden() to format: `#{face[:glyph][:format]}'" end m = FT_Matrix.new m[:xx] = 1 << 16 m[:xy] = 0x5800 m[:yx] = 0 m[:yy] = 1 << 16 ret = FT_Outline_Transform(face[:glyph][:outline], m) unless ret.nil? t.error SystemCallError.new(FFI.errno). end end end |
#test_FT_Set_Char_Size(t) ⇒ Object
90 91 92 93 94 95 96 97 98 99 100 101 102 |
# File 'lib/freetype/c_test.rb', line 90 def test_FT_Set_Char_Size(t) libopen do |face| err = FT_Set_Char_Size(face, 0, 32, 300, 300) if err != 0 t.error FreeType::Error.find(err). end err = FT_Load_Char(face, 'a'.ord, FreeType::C::FT_LOAD_DEFAULT) if err != 0 t.error FreeType::Error.find(err). end end end |
#test_Library(t) ⇒ Object
30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 |
# File 'lib/freetype/c_test.rb', line 30 def test_Library(t) library = ::FFI::MemoryPointer.new(:pointer) err = FT_Init_FreeType(library) if err != 0 t.fatal FreeType::Error.find(err). end amajor = FFI::MemoryPointer.new(:int) aminor = FFI::MemoryPointer.new(:int) apatch = FFI::MemoryPointer.new(:int) FT_Library_Version(library.get_pointer(0), amajor, aminor, apatch) a = [ amajor.get_int(0), aminor.get_int(0), apatch.get_int(0), ] unless a.all? { |i| Fixnum === i } t.error 'miss get values from FT_Library_Version()' end t.log "freetype version: #{a.join('.')}" ensure err = FT_Done_Library(library.get_pointer(0)) if err != 0 t.error FreeType::Error.find(err). end end |