xiaoyan159/vtm
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cleanup comments

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This commit is contained in:
Hannes Janetzek 2014-05-26 20:07:43 +02:00
parent 225613ec28
commit 6eeb21623b
1 changed files with 8 additions and 11 deletions

19
vtm/src/org/oscim/renderer/GridRenderer.java

@ -44,13 +44,12 @@ public class GridRenderer extends ElementRenderer {
public GridRenderer(int numLines, LineStyle lineStyle, TextStyle textStyle) {
int size = Tile.SIZE;
// not needed to set but we know:
// 16 lines 'a' two points
/* not needed to set but we know: 16 lines 'a' two points */
mLines = new GeometryBuffer(2 * 16, 16);
float pos = -size * 4;
// 8 vertical lines
/* 8 vertical lines */
for (int i = 0; i < 8 * numLines; i++) {
float x = pos + i * size / numLines;
mLines.startLine();
@ -58,7 +57,7 @@ public class GridRenderer extends ElementRenderer {
mLines.addPoint(x, pos + size * 8);
}
// 8 horizontal lines
/* 8 horizontal lines */
for (int j = 0; j < 8 * numLines; j++) {
float y = pos + j * size / numLines;
mLines.startLine();
@ -100,28 +99,26 @@ public class GridRenderer extends ElementRenderer {
TextItem ti = TextItem.pool.get();
ti.set(s * xx + s / 2, s * yy + s / 2, sb.toString(), mText);
tl.addText(ti);
}
}
// render TextItems to a bitmap and prepare vertex buffer data.
/* render TextItems to a bitmap and prepare vertex buffer data. */
tl.prepare();
// release TextItems
/* release TextItems */
tl.clearLabels();
}
@Override
protected void update(GLViewport v) {
// scale coordinates relative to current 'zoom-level' to
// get the position as the nearest tile coordinate
/* scale coordinates relative to current 'zoom-level' to
* get the position as the nearest tile coordinate */
int z = 1 << v.pos.zoomLevel;
int x = (int) (v.pos.x * z);
int y = (int) (v.pos.y * z);
// update layers when map moved by at least one tile
/* update layers when map moved by at least one tile */
if (x == mCurX && y == mCurY && z == mCurZ)
return;