mirror of
https://github.com/MightyPirates/OpenComputers.git
synced 2025-09-08 14:50:51 -04:00
Some preparatory changes for #41.
This commit is contained in:
Florian Nücke
parent
20a7c9c83f
commit
e6154c6ab7
@ -101,7 +101,7 @@ object TextBufferRenderCache extends Callable[Int] with RemovalListener[TileEnti
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def getLabel = "OpenComputers.TextBufferRenderer"
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def ticks() = util.EnumSet.of(TickType.CLIENT)
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def ticks = util.EnumSet.of(TickType.CLIENT)
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def tickStart(tickType: util.EnumSet[TickType], tickData: AnyRef*) = cache.cleanUp()
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@ -0,0 +1,43 @@
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package li.cil.oc.client.renderer.font
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import li.cil.oc.util.FontUtil
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import org.lwjgl.opengl.GL11
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class DataCharRenderer extends DynamicCharRenderer {
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val parser: FontParser = ???
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override def charWidth: Double = parser.getGlyphWidth
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override def charHeight: Double = parser.getGlyphHeight
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override def drawChar(charCode: Int) {
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val w = parser.getGlyphWidth * FontUtil.wcwidth(charCode)
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val h = parser.getGlyphHeight
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GL11.glPushAttrib(GL11.GL_ALL_ATTRIB_BITS)
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GL11.glColor4f(1, 1, 1, 1)
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GL11.glEnable(GL11.GL_BLEND)
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val texture = GL11.glGenTextures()
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GL11.glBindTexture(GL11.GL_TEXTURE_2D, texture)
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GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, w, h, 0, GL11.GL_RGBA, GL11.GL_BYTE, parser.getGlyph(charCode))
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GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST)
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GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST)
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GL11.glBegin(GL11.GL_QUADS)
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GL11.glTexCoord2f(0, 1)
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GL11.glVertex2f(0, h)
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GL11.glTexCoord2f(1, 1)
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GL11.glVertex2f(w, h)
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GL11.glTexCoord2f(1, 0)
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GL11.glVertex2f(w, 0)
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GL11.glTexCoord2f(0, 0)
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GL11.glVertex2f(0, 0)
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GL11.glEnd()
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GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0)
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GL11.glDeleteTextures(texture)
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GL11.glPopAttrib()
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}
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}
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@ -1,125 +1,9 @@
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package li.cil.oc.client.renderer.font
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import java.awt.Font
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import java.awt.font.FontRenderContext
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import java.awt.geom.{PathIterator, Point2D}
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trait DynamicCharRenderer {
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def charWidth: Double
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import org.lwjgl.opengl.GL11
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import org.lwjgl.util.glu.{GLU, GLUtessellatorCallbackAdapter}
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def charHeight: Double
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class DynamicCharRenderer(val font: Font) {
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private val context = new FontRenderContext(font.getTransform, true, true)
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private val callback = new DynamicCharRenderer.Callback()
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private val maxCharBounds = font.getMaxCharBounds(context)
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def charWidth = maxCharBounds.getWidth.toFloat
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def charHeight = maxCharBounds.getHeight.toFloat
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def drawChar(char: Char) {
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GL11.glPushMatrix()
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GL11.glPushAttrib(GL11.GL_ALL_ATTRIB_BITS)
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GL11.glTranslated(-maxCharBounds.getX, -maxCharBounds.getY, 0)
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GL11.glDisable(GL11.GL_TEXTURE_2D)
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GL11.glColor4f(1, 1, 1, 1)
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val vector = font.createGlyphVector(context, Array(char))
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val tess = GLU.gluNewTess()
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tess.gluTessCallback(GLU.GLU_TESS_BEGIN, callback)
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tess.gluTessCallback(GLU.GLU_TESS_END, callback)
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tess.gluTessCallback(GLU.GLU_TESS_VERTEX, callback)
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tess.gluTessCallback(GLU.GLU_TESS_EDGE_FLAG, callback)
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tess.gluTessNormal(0, 0, -1)
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for (i <- 0 until vector.getNumGlyphs) {
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val outline = vector.getGlyphOutline(i).getPathIterator(null)
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tess.gluTessBeginPolygon(null)
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val current = new Point2D.Double(0, 0)
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val coords = new Array[Double](6)
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while (!outline.isDone) {
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if (outline.getWindingRule == PathIterator.WIND_EVEN_ODD)
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tess.gluTessProperty(GLU.GLU_TESS_WINDING_RULE, GLU.GLU_TESS_WINDING_ODD)
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else
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tess.gluTessProperty(GLU.GLU_TESS_WINDING_RULE, GLU.GLU_TESS_WINDING_NONZERO)
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outline.currentSegment(coords) match {
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case PathIterator.SEG_MOVETO =>
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tess.gluTessBeginContour()
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current.setLocation(coords(0), coords(1))
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case PathIterator.SEG_LINETO =>
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val buffer = Array[Float](coords(0).toFloat, coords(1).toFloat)
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tess.gluTessVertex(coords, 0, buffer)
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current.setLocation(coords(0), coords(1))
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case PathIterator.SEG_QUADTO =>
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// From SEG_QUADTO:
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// P(t) = B(2,0)*CP + B(2,1)*P1 + B(2,2)*P2
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// with 0 <= t <= 1
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// B(n,m) = mth coefficient of nth degree Bernstein polynomial
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// = C(n,m) * t^(m) * (1 - t)^(n-m)
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// C(n,m) = Combinations of n things, taken m at a time
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// = n! / (m! * (n-m)!)
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// So:
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// P(t) = B(2,0)*CP + B(2,1)*P1 + B(2,2)*P2
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// = C(2,0) * t^(0) * (1 - t)^(2-0) * CP +
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// C(2,1) * t^(1) * (1 - t)^(2-1) * P1 +
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// C(2,2) * t^(2) * (1 - t)^(2-2) * P2
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// = 2! / (0! * (2-0)!) * (1 - t)^2 * CP +
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// 2! / (1! * (2-1)!) * t * (1 - t) * P1 +
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// 2! / (2! * (2-2)!) * t^2 * P2
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// = (1 - t)^2 * CP +
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// 2 * t * (1 - t) * P1 +
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// t^2 * P2
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// = (1 - 2*t + t^2) * CP +
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// 2 * (t - t^2) * P1 +
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// t^2 * P2
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val interpolated = new Array[Double](3)
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def p(t: Double) = {
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val tSquared = t * t
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val fc = 1 - 2 * t + tSquared
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val f1 = 2 * (t - tSquared)
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val f2 = tSquared
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interpolated(0) = fc * current.x + f1 * coords(0) + f2 * coords(2)
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interpolated(1) = fc * current.y + f1 * coords(1) + f2 * coords(3)
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val buffer = Array[Float](interpolated(0).toFloat, interpolated(1).toFloat)
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tess.gluTessVertex(interpolated, 0, buffer)
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}
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for (t <- 0.0 until 1.0 by 0.25) {
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p(t)
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}
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current.setLocation(coords(2), coords(3))
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case PathIterator.SEG_CUBICTO =>
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// Not supported.
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case PathIterator.SEG_CLOSE =>
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tess.gluTessEndContour()
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case _ => // Wuh?
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}
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outline.next()
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}
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tess.gluTessEndPolygon()
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}
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tess.gluDeleteTess()
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GL11.glPopAttrib()
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GL11.glPopMatrix()
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}
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def drawChar(charCode: Int)
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}
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object DynamicCharRenderer {
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private class Callback extends GLUtessellatorCallbackAdapter {
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override def begin(mode: Int) = GL11.glBegin(mode)
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override def end() = GL11.glEnd()
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override def vertex(coords: scala.Any) {
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val point = coords.asInstanceOf[Array[Float]]
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GL11.glVertex2f(point(0), point(1))
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}
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override def edgeFlag(boundaryEdge: Boolean) {
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GL11.glEdgeFlag(boundaryEdge)
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}
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}
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}
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@ -4,7 +4,7 @@ import java.awt.Font
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import java.io.InputStream
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import li.cil.oc.client.renderer.font.DynamicFontRenderer.CharTexture
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import li.cil.oc.util.RenderState
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import li.cil.oc.util.{FontUtil, RenderState}
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import org.lwjgl.BufferUtils
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import org.lwjgl.opengl._
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@ -19,7 +19,7 @@ class DynamicFontRenderer(val font: Font) extends TextureFontRenderer {
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def this(stream: InputStream, size: Int) = this(Font.createFont(Font.TRUETYPE_FONT, stream).deriveFont(size))
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private val charRenderer = new DynamicCharRenderer(font)
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private val charRenderer: DynamicCharRenderer = new FontCharRenderer(font)
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private val textures = mutable.ArrayBuffer(new DynamicFontRenderer.CharTexture(this))
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@ -63,14 +63,7 @@ class DynamicFontRenderer(val font: Font) extends TextureFontRenderer {
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override protected def drawChar(tx: Float, ty: Float, char: Char) {
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val icon = charMap(char)
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if (icon.texture == activeTexture) {
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GL11.glTexCoord2f(icon.u1, icon.v2)
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GL11.glVertex2f(tx, ty + charHeight)
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GL11.glTexCoord2f(icon.u2, icon.v2)
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GL11.glVertex2f(tx + charWidth, ty + charHeight)
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GL11.glTexCoord2f(icon.u2, icon.v1)
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GL11.glVertex2f(tx + charWidth, ty)
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GL11.glTexCoord2f(icon.u1, icon.v1)
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GL11.glVertex2f(tx, ty)
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icon.draw(tx, ty)
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}
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}
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@ -120,8 +113,11 @@ object DynamicFontRenderer {
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def isFull = chars >= capacity
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def add(char: Char) = {
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// TODO force to next row if wide char and won't fit into row.
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val x = chars % cols
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val y = chars / cols
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val w = owner.charWidth * FontUtil.wcwidth(char)
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val h = owner.charHeight
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GL11.glDisable(GL11.GL_DEPTH_TEST)
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GL11.glDepthMask(false)
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@ -131,13 +127,13 @@ object DynamicFontRenderer {
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GL20.glDrawBuffers(GL30.GL_COLOR_ATTACHMENT0)
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GL11.glClear(GL11.GL_COLOR_BUFFER_BIT)
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GL11.glViewport(0, 0, owner.charWidth, owner.charHeight)
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GL11.glViewport(0, 0, w, h)
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GL11.glMatrixMode(GL11.GL_PROJECTION)
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GL11.glPushMatrix()
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GL11.glLoadIdentity()
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GL11.glOrtho(0, owner.charWidth, owner.charHeight, 0, 0, 1)
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GL11.glOrtho(0, w, h, 0, 0, 1)
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GL11.glMatrixMode(GL11.GL_MODELVIEW)
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GL11.glPushMatrix()
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@ -146,7 +142,7 @@ object DynamicFontRenderer {
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owner.charRenderer.drawChar(char)
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GL43.glCopyImageSubData(owner.rbo, GL30.GL_RENDERBUFFER, 0, 0, 0, 0, id, GL11.GL_TEXTURE_2D, 0, 1 + x * cellWidth, 1 + y * cellHeight, 0, owner.charWidth, owner.charHeight, 1)
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GL43.glCopyImageSubData(owner.rbo, GL30.GL_RENDERBUFFER, 0, 0, 0, 0, id, GL11.GL_TEXTURE_2D, 0, 1 + x * cellWidth, 1 + y * cellHeight, 0, w, h, 1)
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GL11.glMatrixMode(GL11.GL_PROJECTION)
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GL11.glPopMatrix()
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@ -155,12 +151,23 @@ object DynamicFontRenderer {
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GL30.glBindFramebuffer(GL30.GL_FRAMEBUFFER, 0)
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chars += 1
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chars += FontUtil.wcwidth(char)
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new CharIcon(this, pad + x * uStep, pad + y * vStep, (x + 1) * uStep - 2 * pad, (y + 1) * vStep - 2 * pad)
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new CharIcon(this, w, h, pad + x * uStep, pad + y * vStep, (x + 1) * uStep - 2 * pad, (y + 1) * vStep - 2 * pad)
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}
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}
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class CharIcon(val texture: CharTexture, val u1: Float, val v1: Float, val u2: Float, val v2: Float)
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class CharIcon(val texture: CharTexture, val w: Float, val h: Float, val u1: Float, val v1: Float, val u2: Float, val v2: Float) {
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def draw(tx: Float, ty: Float) {
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GL11.glTexCoord2f(u1, v1)
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GL11.glVertex2f(tx, ty + h)
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GL11.glTexCoord2f(u2, v1)
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GL11.glVertex2f(tx + w, ty + h)
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GL11.glTexCoord2f(u2, v2)
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GL11.glVertex2f(tx + w, ty)
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GL11.glTexCoord2f(u1, v2)
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GL11.glVertex2f(tx, ty)
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}
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}
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}
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@ -0,0 +1,125 @@
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package li.cil.oc.client.renderer.font
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import java.awt.Font
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import java.awt.font.FontRenderContext
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import java.awt.geom.{PathIterator, Point2D}
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import org.lwjgl.opengl.GL11
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import org.lwjgl.util.glu.{GLU, GLUtessellatorCallbackAdapter}
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class FontCharRenderer(val font: Font) extends DynamicCharRenderer {
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private val context = new FontRenderContext(font.getTransform, true, true)
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private val callback = new FontCharRenderer.Callback()
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private val maxCharBounds = font.getMaxCharBounds(context)
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def charWidth = maxCharBounds.getWidth
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def charHeight = maxCharBounds.getHeight
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def drawChar(charCode: Int) {
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GL11.glPushMatrix()
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GL11.glPushAttrib(GL11.GL_ALL_ATTRIB_BITS)
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GL11.glTranslated(-maxCharBounds.getX, -maxCharBounds.getY, 0)
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GL11.glDisable(GL11.GL_TEXTURE_2D)
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GL11.glColor4f(1, 1, 1, 1)
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val vector = font.createGlyphVector(context, Array(charCode.toChar))
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val tess = GLU.gluNewTess()
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tess.gluTessCallback(GLU.GLU_TESS_BEGIN, callback)
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tess.gluTessCallback(GLU.GLU_TESS_END, callback)
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tess.gluTessCallback(GLU.GLU_TESS_VERTEX, callback)
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tess.gluTessCallback(GLU.GLU_TESS_EDGE_FLAG, callback)
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tess.gluTessNormal(0, 0, -1)
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for (i <- 0 until vector.getNumGlyphs) {
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val outline = vector.getGlyphOutline(i).getPathIterator(null)
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tess.gluTessBeginPolygon(null)
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val current = new Point2D.Double(0, 0)
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val coords = new Array[Double](6)
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while (!outline.isDone) {
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if (outline.getWindingRule == PathIterator.WIND_EVEN_ODD)
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tess.gluTessProperty(GLU.GLU_TESS_WINDING_RULE, GLU.GLU_TESS_WINDING_ODD)
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else
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tess.gluTessProperty(GLU.GLU_TESS_WINDING_RULE, GLU.GLU_TESS_WINDING_NONZERO)
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outline.currentSegment(coords) match {
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case PathIterator.SEG_MOVETO =>
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tess.gluTessBeginContour()
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current.setLocation(coords(0), coords(1))
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case PathIterator.SEG_LINETO =>
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val buffer = Array[Float](coords(0).toFloat, coords(1).toFloat)
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tess.gluTessVertex(coords, 0, buffer)
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current.setLocation(coords(0), coords(1))
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case PathIterator.SEG_QUADTO =>
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// From SEG_QUADTO:
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// P(t) = B(2,0)*CP + B(2,1)*P1 + B(2,2)*P2
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// with 0 <= t <= 1
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// B(n,m) = mth coefficient of nth degree Bernstein polynomial
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// = C(n,m) * t^(m) * (1 - t)^(n-m)
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// C(n,m) = Combinations of n things, taken m at a time
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// = n! / (m! * (n-m)!)
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// So:
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// P(t) = B(2,0)*CP + B(2,1)*P1 + B(2,2)*P2
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// = C(2,0) * t^(0) * (1 - t)^(2-0) * CP +
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// C(2,1) * t^(1) * (1 - t)^(2-1) * P1 +
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// C(2,2) * t^(2) * (1 - t)^(2-2) * P2
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// = 2! / (0! * (2-0)!) * (1 - t)^2 * CP +
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// 2! / (1! * (2-1)!) * t * (1 - t) * P1 +
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// 2! / (2! * (2-2)!) * t^2 * P2
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// = (1 - t)^2 * CP +
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// 2 * t * (1 - t) * P1 +
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// t^2 * P2
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// = (1 - 2*t + t^2) * CP +
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// 2 * (t - t^2) * P1 +
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// t^2 * P2
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val interpolated = new Array[Double](3)
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def p(t: Double) = {
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val tSquared = t * t
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val fc = 1 - 2 * t + tSquared
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val f1 = 2 * (t - tSquared)
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val f2 = tSquared
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interpolated(0) = fc * current.x + f1 * coords(0) + f2 * coords(2)
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interpolated(1) = fc * current.y + f1 * coords(1) + f2 * coords(3)
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val buffer = Array[Float](interpolated(0).toFloat, interpolated(1).toFloat)
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tess.gluTessVertex(interpolated, 0, buffer)
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}
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for (t <- 0.0 until 1.0 by 0.25) {
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p(t)
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}
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current.setLocation(coords(2), coords(3))
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case PathIterator.SEG_CUBICTO =>
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// Not supported.
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case PathIterator.SEG_CLOSE =>
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tess.gluTessEndContour()
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case _ => // Wuh?
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}
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outline.next()
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}
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tess.gluTessEndPolygon()
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}
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tess.gluDeleteTess()
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GL11.glPopAttrib()
|
||||
GL11.glPopMatrix()
|
||||
}
|
||||
}
|
||||
|
||||
object FontCharRenderer {
|
||||
|
||||
private class Callback extends GLUtessellatorCallbackAdapter {
|
||||
override def begin(mode: Int) = GL11.glBegin(mode)
|
||||
|
||||
override def end() = GL11.glEnd()
|
||||
|
||||
override def vertex(coords: scala.Any) {
|
||||
val point = coords.asInstanceOf[Array[Float]]
|
||||
GL11.glVertex2f(point(0), point(1))
|
||||
}
|
||||
|
||||
override def edgeFlag(boundaryEdge: Boolean) {
|
||||
GL11.glEdgeFlag(boundaryEdge)
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,11 @@
|
||||
package li.cil.oc.client.renderer.font
|
||||
|
||||
import java.nio.ByteBuffer
|
||||
|
||||
trait FontParser {
|
||||
def getGlyph(charCode: Int): ByteBuffer
|
||||
|
||||
def getGlyphWidth: Int
|
||||
|
||||
def getGlyphHeight: Int
|
||||
}
|
||||
5
src/main/scala/li/cil/oc/util/FontUtil.scala
Normal file
5
src/main/scala/li/cil/oc/util/FontUtil.scala
Normal file
@ -0,0 +1,5 @@
|
||||
package li.cil.oc.util
|
||||
|
||||
object FontUtil {
|
||||
def wcwidth(charCode: Int) = 1 // TODO
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user