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refactor for readability

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This commit is contained in:
Hannes Janetzek 2012-09-26 21:16:11 +02:00
parent 4fafce24b8
commit 7b247f3af3
1 changed files with 29 additions and 19 deletions
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50
src/org/oscim/view/renderer/LineRenderer.java
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@ -109,10 +109,15 @@ class LineRenderer {
// line scale factor (for non fixed lines)
float lineScale = FloatMath.sqrt(s);
float blurScale = pixel;
boolean blur = false;
// dont increase scale when max is reached
boolean strokeMaxZoom = zoom > TileGenerator.STROKE_MAX_ZOOM_LEVEL;
float width = 1;
LineLayer l = layer;
for (; l != null && l.layer < next; l = l.next) {
Line line = l.line;
if (line.fade != -1 && line.fade > zoom)
continue;
@ -124,7 +129,7 @@ class LineRenderer {
GlUtils.setColor(hLineColor[mode], line.color, alpha);
if (blur) {
if (blur && line.blur == 0) {
GLES20.glUniform1f(hLineScale[mode], pixel);
blur = false;
}
@ -132,38 +137,43 @@ class LineRenderer {
if (l.isOutline) {
for (LineLayer o = l.outlines; o != null; o = o.outlines) {
if (line.blur != 0) {
GLES20.glUniform1f(hLineScale[mode], (l.width + o.width) / s
- (line.blur / s));
blur = true;
if (o.line.fixed || strokeMaxZoom) {
width = (l.width + o.width) / s;
} else {
width = l.width / s + o.width / lineScale;
}
if (zoom > TileGenerator.STROKE_MAX_ZOOM_LEVEL)
GLES20.glUniform1f(hLineWidth[mode], (l.width + o.width) / s);
else
GLES20.glUniform1f(hLineWidth[mode], l.width / s + o.width
/ lineScale);
GLES20.glUniform1f(hLineWidth[mode], width);
if (line.blur != 0) {
blurScale = (l.width + o.width) / s - (line.blur / s);
GLES20.glUniform1f(hLineScale[mode], blurScale);
blur = true;
}
GLES20.glDrawArrays(GLES20.GL_TRIANGLE_STRIP, o.offset, o.verticesCnt);
}
}
else {
if (line.blur != 0) {
GLES20.glUniform1f(hLineScale[mode], (l.width / lineScale)
* line.blur);
blur = true;
}
} else {
if (line.fixed || zoom > TileGenerator.STROKE_MAX_ZOOM_LEVEL) {
if (line.fixed || strokeMaxZoom) {
// invert scaling of extrusion vectors so that line width
// stays the same.
GLES20.glUniform1f(hLineWidth[mode], l.width / s);
width = l.width / s;
} else {
GLES20.glUniform1f(hLineWidth[mode], l.width / lineScale);
width = l.width / lineScale;
}
GLES20.glUniform1f(hLineWidth[mode], width);
if (line.blur != 0) {
blurScale = (l.width / lineScale) * line.blur;
GLES20.glUniform1f(hLineScale[mode], blurScale);
blur = true;
}
GLES20.glDrawArrays(GLES20.GL_TRIANGLE_STRIP, l.offset, l.verticesCnt);
}
}
GLES20.glDisableVertexAttribArray(hLineVertexPosition[mode]);