# 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_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 (by default it targets Mnit)", "--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]+\).[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"
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"])