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Emerson Vinicius
twitter: @emersonvinicius
  gtalk: duke.m16
Lemonade
Generates CSS sprites on the fly (for Sass/SCSS/Compass).
normal
normal



hover
normal



hover



click
normal



hover



click



link
#button li a
                        background-image: url('menu_default.png')

menu_default.png

                   #button li a:hover
menu_hover.png          background-image: url('menu_hover.png')

menu_active.png

                   #button li a:active
menu_link.png          background-image: url('menu_active.png')



                   #button li a.link
                       background-image: url('menu_link.png')
#button li a
                        background-image: url('menu_default.png')




                                                e s
menu_default.png




                                               õ
                   #button li a:hover



                                 is         iç
                        background-image: url('menu_hover.png')
menu_hover.png



menu_active.png




                  R         e qu
                4
                   #button li a:active
menu_link.png          background-image: url('menu_active.png')



                   #button li a.link
                       background-image: url('menu_link.png')
#button li a
                        background:
                      url('background_menu.png') no-repeat 0
                      0


background_menu.png
                      #button li a:hover
                        background-position: 0 -39px



                      #button li a:active
                        background-position: 0 -82px



                      #button li a.link
                        background-position: 0 -123px
#button li a
                        background:
                      url('background_menu.png') no-repeat 0
                      0


background_menu.png
                      #button li a:hover
                        background-position: 0 -39px



                      #button li a:active
                        background-position: 0 -82px



                      #button li a.link
                        background-position: 0 -123px
#button li a
                                 background:
                               url('background_menu.png') no-repeat 0
                               0


    0    background_menu.png
                               #button li a:hover
-39px
                                 background-position: 0 -39px
 -82px


-123px



                               #button li a:active
                                 background-position: 0 -82px



                               #button li a.link
                                 background-position: 0 -123px
background: sprite-
image(‘icons/home.png’)
#nav li a.addimage



#nav li a.upload



#nav li a.export
#nav li a.addimage
   background: sprite-image(‘nav/addimage.png’)

#nav li a.upload



#nav li a.export



                        nav.png

                                  nav.png
#nav li a.addimage
   background: sprite-image(‘nav/addimage.png’)

#nav li a.upload
   background: sprite-image(‘nav/upload.png’)

#nav li a.export



                        nav.png

                                  nav.png
#nav li a.addimage
   background: sprite-image(‘nav/addimage.png’)

#nav li a.upload
   background: sprite-image(‘nav/upload.png’)

#nav li a.export
   background: sprite-image(‘nav/export.png’)

                        nav.png

                                  nav.png
#nav li a.addimage
   background: sprite-image(‘nav/addimage.png’)

#nav li a.upload
   background: sprite-image(‘nav/upload.png’)

#nav li a.export
   background: sprite-image(‘nav/export.png’)

                        nav.png

                                  nav.png
#nav li a.addimage
   background: sprite-image(‘nav/addimage.png’)

#nav li a.upload
   background: sprite-image(‘nav/upload.png’)

#nav li a.export
   background: sprite-image(‘nav/export.png’)

                        nav.png

                                  nav.png
#nav li a.addimage
   background: sprite-image(‘bar/addimage.png’)

#nav li a.upload
   background: sprite-image(‘nav/upload.png’)

#nav li a.export
   background: sprite-image(‘nav/export.png’)

                        nav.png

                                  nav.png
#nav li a.addimage
   background: sprite-image(‘bar/addimage.png’)

#nav li a.upload
   background: sprite-image(‘nav/upload.png’)

#nav li a.export
   background: sprite-image(‘nav/export.png’)

                        nav.png

                                  nav.png


                                  bar.png
#nav li a.addimage{
  background: url(‘/images/nav.png’);
}
#nav li a.upload{
  background: url(‘/images/nav.png’) 0 -23px;
}
#nav li a.export{
  background: url(‘/images/nav.png’) 0 -46px;
}
background:
  sprite-image(‘nav/addimage.png’)
background:
  sprite-image(‘nav/addimage.png’)
background:
  sprite-image(‘nav/addimage.png’, 0, 0)
background:
  sprite-image(‘nav/addimage.png’, 0, 0)
background:
  sprite-image(‘nav/addimage.png’, 0, 0, 5px)


                       nav.png

                                 nav.png
background:
  sprite-image(‘nav/addimage.png’,0,0, 5px, 20px)


                       nav.png

                                 nav.png
gem install compass lemonade

     config/compass.rb

     require “lemonade”
development



                  Automatico,
              quando gera o SASS


production




               compass compile
development



                  Automatico,
              quando gera o SASS


production




               compass compile
LEMONADE INGREDIENTS
        PURE RUBY, SASS, COMPASS, RMAGICK, NO
         ARTIFICIAL FLAVORS OR SUGAR ADDED.




                 Obrigado!


http://bit.ly/lemo-info            @emersonvinicius

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Lemonade

  • 1.
  • 3. Lemonade Generates CSS sprites on the fly (for Sass/SCSS/Compass).
  • 8. #button li a background-image: url('menu_default.png') menu_default.png #button li a:hover menu_hover.png background-image: url('menu_hover.png') menu_active.png #button li a:active menu_link.png background-image: url('menu_active.png') #button li a.link background-image: url('menu_link.png')
  • 9. #button li a background-image: url('menu_default.png') e s menu_default.png õ #button li a:hover is iç background-image: url('menu_hover.png') menu_hover.png menu_active.png R e qu 4 #button li a:active menu_link.png background-image: url('menu_active.png') #button li a.link background-image: url('menu_link.png')
  • 10. #button li a background: url('background_menu.png') no-repeat 0 0 background_menu.png #button li a:hover background-position: 0 -39px #button li a:active background-position: 0 -82px #button li a.link background-position: 0 -123px
  • 11. #button li a background: url('background_menu.png') no-repeat 0 0 background_menu.png #button li a:hover background-position: 0 -39px #button li a:active background-position: 0 -82px #button li a.link background-position: 0 -123px
  • 12. #button li a background: url('background_menu.png') no-repeat 0 0 0 background_menu.png #button li a:hover -39px background-position: 0 -39px -82px -123px #button li a:active background-position: 0 -82px #button li a.link background-position: 0 -123px
  • 13.
  • 14.
  • 16. #nav li a.addimage #nav li a.upload #nav li a.export
  • 17. #nav li a.addimage background: sprite-image(‘nav/addimage.png’) #nav li a.upload #nav li a.export nav.png nav.png
  • 18. #nav li a.addimage background: sprite-image(‘nav/addimage.png’) #nav li a.upload background: sprite-image(‘nav/upload.png’) #nav li a.export nav.png nav.png
  • 19. #nav li a.addimage background: sprite-image(‘nav/addimage.png’) #nav li a.upload background: sprite-image(‘nav/upload.png’) #nav li a.export background: sprite-image(‘nav/export.png’) nav.png nav.png
  • 20. #nav li a.addimage background: sprite-image(‘nav/addimage.png’) #nav li a.upload background: sprite-image(‘nav/upload.png’) #nav li a.export background: sprite-image(‘nav/export.png’) nav.png nav.png
  • 21. #nav li a.addimage background: sprite-image(‘nav/addimage.png’) #nav li a.upload background: sprite-image(‘nav/upload.png’) #nav li a.export background: sprite-image(‘nav/export.png’) nav.png nav.png
  • 22. #nav li a.addimage background: sprite-image(‘bar/addimage.png’) #nav li a.upload background: sprite-image(‘nav/upload.png’) #nav li a.export background: sprite-image(‘nav/export.png’) nav.png nav.png
  • 23. #nav li a.addimage background: sprite-image(‘bar/addimage.png’) #nav li a.upload background: sprite-image(‘nav/upload.png’) #nav li a.export background: sprite-image(‘nav/export.png’) nav.png nav.png bar.png
  • 24. #nav li a.addimage{ background: url(‘/images/nav.png’); } #nav li a.upload{ background: url(‘/images/nav.png’) 0 -23px; } #nav li a.export{ background: url(‘/images/nav.png’) 0 -46px; }
  • 31. gem install compass lemonade config/compass.rb require “lemonade”
  • 32. development Automatico, quando gera o SASS production compass compile
  • 33. development Automatico, quando gera o SASS production compass compile
  • 34. LEMONADE INGREDIENTS PURE RUBY, SASS, COMPASS, RMAGICK, NO ARTIFICIAL FLAVORS OR SUGAR ADDED. Obrigado! http://bit.ly/lemo-info @emersonvinicius

Editor's Notes

  1. \n
  2. Twitter, Gtalk, Desenvolvedor Front-End Gonow, Equipe Rails\n
  3. Gerador de CSS sprites, facil de usar, sem configuração, sem Photoshop. \n
  4. Vejamos o Menu da Apple, o Menu da Apple tem 4 estados diferentes, o Normal\n
  5. o Hover\n
  6. o Click\n
  7. e o Link, Pensando a forma mais tosca de fazer essa menu\n
  8. Pegamos 4 imagens dos 4 estados e adicionamos como background \n
  9. Um dos problema é que, no caso, teremos 4 requisições, imagina um menu maior. Dai vem a tecnica do CSS Sprites >>\n
  10. basicamente, >>\n
  11. adicionamos tudo em uma imagem >>\n
  12. e manipulamos a posição do background com background-position. isso é Simples, não nada novo algo usado hoje mais, mais não resolve alguns problemas, imagine que temos isso>>>\n
  13. Você mapiou isso de alguma forma, mais por algum motivo o sistema foi atualizado e adicionaram items>>\n
  14. é inviavel ficar aumentando e diminuindo pixel, Então ….\n
  15. como eu disse antes, simples, Lembrando que isso é no SASS…..Uma parte do exemplo anterior pode ser escrito assim\n
  16. Imaginamemos que temos esse tres icones, add imagem , upload e exportar\n
  17. Add o mixin do Lemonade ‘sprite-image’\n
  18. \n
  19. Esta vendo essa nav.png?\n
  20. o lemonade indentifica a pasta que esta suas imagens sozinhas >>\n
  21. Então se voce quiser criar mais de uma sprite, por exemplo, vamos dizer que a add imagem não faz parte do sprite nav\n
  22. Trocamos ela de pasta\n
  23. ele ira criar outra.\n
  24. O lemonade ira gerar algo parecido com isso. Alguns extras>>\n
  25. Como eu já disse o sprite-image é um mixin do sass, ele tem parametros, o primeiro agente viu que é a imagem>>\n
  26. que é a imagem, o Segundo e o Terceiro, são os offsets\n
  27. X e Y respectivamente, eles vão controlar a posição da sua imagem na tela\n
  28. Em muitos casos precisamos que as imagens esteja com um espaçamento maior entre elas, isso ocorre temos uma area grande e dai a outras imagens ira aparecer\n
  29. o 4º coloca espaçamento em cima e em baixo da imagem atual \n
  30. se quiser ser mais preciso em relação aos espacamento o 5º controla o espacamento de baixo, deixo para o 4 a funcao de controlar a de cima\n
  31. Instalar….I’ve tested it with both Ruby 1.8.7 and 1.9.2. It works with Haml/Sass 3.0.x. But it depends on Compass 0.10.x. You can integrate it in Rails 2.3.x and 3.0, Staticmatic or just run compass watch.\n\n
  32. em dev, e em produção, se usar o inploy >>>\n
  33. automaticamente\n
  34. \n