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MakeTiles: impl support for SVG files

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SVG files are converted to PNG files at the appropriate resolution
by calling out to Inkscape.exe (must be installed somewhere)

git-svn-id: https://micropolis.googlecode.com/svn/trunk/micropolis-java@747 d9718cc8-9f43-0410-858b-315f434eb58c
This commit is contained in:
jason@long.name 2013-07-20 21:29:25 +00:00
parent 68717e3ea6
commit e3dcff2804
2 changed files with 87 additions and 9 deletions
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4
build.xml
View file

@ -46,12 +46,12 @@
<target name="compose-tiles" depends="init-builddir,compile">
<java classname="micropolisj.build_tool.MakeTiles" classpath="${builddir}"
fork="true" dir="graphics">
fork="true" failonerror="true" dir="graphics">
<arg file="graphics/tiles.rc" />
<arg file="${builddir}/tiles.png" />
</java>
<java classname="micropolisj.build_tool.MakeTiles" classpath="${builddir}"
fork="true" dir="graphics">
fork="true" failonerror="true" dir="graphics">
<sysproperty key="tile_size" value="32" />
<arg file="graphics/tiles.rc" />
<arg file="${builddir}/tiles_32x32.png" />

92
src/micropolisj/build_tool/MakeTiles.java
View file

@ -52,6 +52,7 @@ public class MakeTiles
drawTo(ref, gr, 0, TILE_SIZE*i);
}
System.out.println("Generating tiles array: "+outputFile);
ImageIO.write(buf, "png", outputFile);
}
@ -136,25 +137,102 @@ public class MakeTiles
return result;
}
static File findInkscape()
{
String exeName = "inkscape";
if (System.getProperty("os.name").startsWith("Windows")) {
exeName += ".exe";
}
File [] pathsToTry = {
new File("/usr/bin"),
new File("c:\\Program Files\\Inkscape"),
new File("c:\\Program Files (x86)\\Inkscape")
};
for (File p : pathsToTry) {
File f = new File(p, exeName);
if (f.exists()) {
return f;
}
}
throw new Error("INKSCAPE not installed (or not found)");
}
static void renderSvg(File svgFile, File pngFile)
throws IOException
{
if (pngFile.exists() &&
pngFile.lastModified() > svgFile.lastModified())
{
// looks like the PNG file is already up-to-date
return;
}
File inkscapeBin = findInkscape();
System.out.println("Generating raster image: "+pngFile);
if (pngFile.exists()) {
pngFile.delete();
}
String [] cmdline = {
inkscapeBin.toString(),
"--export-width="+TILE_SIZE,
"--export-height="+TILE_SIZE,
"--export-png="+pngFile.toString(),
svgFile.toString()
};
Process p = Runtime.getRuntime().exec(cmdline);
int exit_value;
try {
exit_value = p.waitFor();
}
catch (InterruptedException e) {
throw new RuntimeException(e);
}
if (exit_value != 0) {
throw new RuntimeException("Helper exit status: "+exit_value);
}
if (!pngFile.exists()) {
throw new RuntimeException("File not found: "+pngFile);
}
}
static SourceImage loadImage(String fileName)
throws IOException
{
File f = new File(fileName+"_"+TILE_SIZE+"x"+TILE_SIZE+".png");
if (f.exists()) {
ImageIcon ii = new ImageIcon(f.toString());
File svgFile, pngFile;
svgFile = new File(fileName+"_"+TILE_SIZE+"x"+TILE_SIZE+".svg");
pngFile = new File(fileName+"_"+TILE_SIZE+"x"+TILE_SIZE+".png");
if (svgFile.exists()) {
renderSvg(svgFile, pngFile);
}
else {
svgFile = new File(fileName+".svg");
if (svgFile.exists()) {
renderSvg(svgFile, pngFile);
}
}
if (pngFile.exists()) {
ImageIcon ii = new ImageIcon(pngFile.toString());
return new SourceImage(
ii.getImage(),
TILE_SIZE);
}
f = new File(fileName+".png");
if (f.exists()) {
ImageIcon ii = new ImageIcon(f.toString());
pngFile = new File(fileName+".png");
if (pngFile.exists()) {
ImageIcon ii = new ImageIcon(pngFile.toString());
return new SourceImage(
ii.getImage(),
16);
}
throw new IOException("File not found: "+fileName+".png");
throw new IOException("File not found: "+fileName+".{svg,png}");
}
}