var images: Array[Image]
end
-# Nit module targeting the MNit framework
-class MnitImageSetSrc
- super ImageSetSrc
-
- redef fun rendering
- do
- # Known array of images
- var arrays_of_images = new Array[String]
-
- # Attributes of the generated class
- var attributes = new Array[String]
-
- # Statements for the generated `load_all` method
- var load_exprs = new Array[String]
-
- # Add images to Nit source file
- for image in images do
- # Adapt coordinates to new top left and scale
- var coordinates = document.coordinates(image)
-
- var nit_name = image.name
- var last_char = nit_name.chars.last
- if last_char.to_s.is_numeric then
- # Array of images
- # TODO support more than 10 images in an array
-
- nit_name = nit_name.substring(0, nit_name.length-1)
- if not arrays_of_images.has(nit_name) then
- # Create class attribute to store Array
- arrays_of_images.add(nit_name)
- attributes.add "\tvar {nit_name} = new Array[Image]\n"
- end
- load_exprs.add "\t\t{nit_name}.add(main_image.subimage({coordinates}))\n"
- else
- # Single image
- attributes.add "\tvar {nit_name}: Image is noinit\n"
- load_exprs.add "\t\t{nit_name} = main_image.subimage({coordinates})\n"
- end
- end
-
- add """
-# File generated by svg_to_png_and_nit, do not modify, redef instead
-
-import mnit::image_set
-
-class {{{document.nit_class_name}}}
- super ImageSet
-
- private var main_image: Image is noinit
-"""
- add_all attributes
- add """
-
- redef fun load_all(app: App)
- do
- main_image = app.load_image(\"images/{{{document.drawing_name}}}.png\")
-"""
- add_all load_exprs
- add """
- end
-end
-"""
- end
-end
-
# Nit module targeting the Gamnit framework
#
# Gamnit's `Texture` already manage the lazy loading, no need to do it here.
# Attributes of the class
var attributes = new Array[String]
- attributes.add "\tprivate var main_image = new Texture(\"images/{document.drawing_name}.png\")\n"
+ attributes.add "\tprivate var root_texture = new Texture(\"images/{document.drawing_name}.png\")\n"
# Add single images to Nit source file
for image in single_images do
# Adapt coordinates to new top left and scale
var coordinates = document.coordinates(image)
- attributes.add "\tvar {image.name}: Texture = main_image.subtexture({coordinates})\n"
+ attributes.add "\tvar {image.name}: Texture = root_texture.subtexture({coordinates})\n"
end
# Add array of images too
var lines = new Array[String]
for image in images do
var coordinates = document.coordinates(image)
- lines.add "\t\tmain_image.subtexture({coordinates})"
+ lines.add "\t\troot_texture.subtexture({coordinates})"
end
attributes.add """
add """
# File generated by svg_to_png_and_nit, do not modify, redef instead
-import gamnit::display
+import gamnit::textures
class {{{document.nit_class_name}}}
var opt_out_src = new OptionString("Path to output source file (folder or file)", "--src", "-s")
var opt_assets = new OptionString("Path to assert dir where to put PNG files", "--assets", "-a")
-var opt_scale = new OptionFloat("Apply scaling to exported images (default at 1.0 of 90dpi)", 1.0, "--scale", "-x")
-var opt_gamnit = new OptionBool("Target the Gamnit framework (by default it targets Mnit)", "--gamnit", "-g")
+var opt_scale = new OptionFloat("Apply scaling to exported images (default at 1.0)", 1.0, "--scale", "-x")
+var opt_gamnit = new OptionBool("Target the Gamnit framework (the default, kept for compatibility)", "--gamnit", "-g")
+var opt_pow2 = new OptionBool("Round the image size to the next power of 2", "--pow2")
var opt_help = new OptionBool("Print this help message", "--help", "-h")
var opt_context = new OptionContext
-opt_context.add_option(opt_out_src, opt_assets, opt_scale, opt_gamnit, opt_help)
+opt_context.add_option(opt_out_src, opt_assets, opt_scale, opt_gamnit, opt_pow2, opt_help)
opt_context.parse(args)
var rest = opt_context.rest
exit 1
end
+# Get the inkscape version
+var p = new ProcessReader("inkscape", "--version")
+var version_string = p.read_all
+p.wait
+p.close
+var version_re = "([0-9]+)\\.([0-9]+)".to_re
+var match = version_string.search(version_re)
+assert match != null
+var major = match[1]
+var minor = match[2]
+assert major != null and minor != null
+
+# Set the default API using the version as heuristic
+var default_dpi = 96.0
+if major.to_s.to_i == 0 and minor.to_s.to_i < 92 then default_dpi = 90.0
+
+# Collect source files
var drawings = rest
for drawing in drawings do
if not drawing.file_exists then
end
svg_file.close
- assert page_width != -1
- assert page_height != -1
+ if page_width == -1 or page_height == -1 then
+ stderr.write "Source drawing file '{drawing}' doesn't look like an SVG file\n"
+ exit 1
+ end
# Query Inkscape
var prog = "inkscape"
var document = new Document(drawing_name, scale, min_x, max_x, min_y, max_y)
# Nit class
- var nit_src: ImageSetSrc
- if opt_gamnit.value then
- nit_src = new GamnitImageSetSrc(document, images)
- else
- nit_src = new MnitImageSetSrc(document, images)
- end
+ var nit_src = new GamnitImageSetSrc(document, images)
if not src_path.file_extension == "nit" then
src_path = src_path/drawing_name+".nit"
nit_src.write_to(src_file)
src_file.close
- # Find closest power of 2
- var dx = max_x - min_x
- max_x = dx.next_pow2 + min_x
+ # Find next power of 2
+ if opt_pow2.value then
+ var dx = max_x - min_x
+ max_x = dx.next_pow2 + min_x
- var dy = max_y - min_y
- max_y = dy.next_pow2 + min_y
+ var dy = max_y - min_y
+ max_y = dy.next_pow2 + min_y
+ end
# Inkscape's --export-area inverts the Y axis. It uses the lower left corner of
# the drawing area where as queries return coordinates from the top left.
# Output png file to assets
var png_path = "{assets_path}/images/{drawing_name}.png"
var proc2 = new Process.from_a(prog, [drawing, "--without-gui",
- "--export-dpi={(90.0*scale).to_i}",
+ "--export-dpi={(default_dpi*scale).to_i}",
"--export-png={png_path}",
"--export-area={min_x}:{y0}:{max_x}:{y1}",
"--export-background=#000000", "--export-background-opacity=0.0"])
nitlanguage / nit.git / blobdiff