void cytoBandIdeoDraw(struct track *tg,
int seqStart, int seqEnd,
struct hvGfx *hvg, int xOff, int yOff, int width,
MgFont *font, Color color, enum trackVisibility vis)
/* Draw the entire chromosome with a little red box around our
current position. */
{
double scale = 0;
int xBorder = 4;
int x1, x2;
int yBorder = 0;
int chromSize = hChromSize(database, chromName);
struct cytoBand *cbList = NULL, *cb = NULL;
scale = (double) (width - (2 * xBorder)) / chromSize;
/* Subtrack 10 for the 5 pixels buffer on either side. */
tg->heightPer -= 11;
tg->lineHeight -= 11;
/* Time to draw the bands. */
hvGfxSetClip(hvg, xOff, yOff, width, tg->height);
genericDrawItems(tg, 0, chromSize, hvg, xOff+xBorder, yOff+5, width-(2*xBorder), font, color, tvDense);
x1 = round((winStart)*scale) + xOff + xBorder -1;
x2 = round((winEnd)*scale) + xOff + xBorder -1;
if(x1 >= x2)
x2 = x1+1;
yBorder = tg->heightPer + 7 + 1;
/* Draw an outline around chromosome for visualization purposes. Helps
to make the chromosome look better. */
hvGfxLine(hvg, xOff+xBorder, yOff+4, xOff+width-xBorder, yOff+4, MG_BLACK);
hvGfxLine(hvg, xOff+xBorder, yOff+yBorder-3, xOff+width-xBorder, yOff+yBorder-3, MG_BLACK);
hvGfxLine(hvg, xOff+xBorder, yOff+4, xOff+xBorder, yOff+yBorder-3, MG_BLACK);
hvGfxLine(hvg, xOff+width-xBorder, yOff+4, xOff+width-xBorder, yOff+yBorder-3, MG_BLACK);
/* Find and draw the centromere which is defined as the
two bands with gieStain "acen" */
cbList = tg->items;
for(cb = cbList; cb != NULL; cb = cb->next)
{
/* If centromere do some drawing. */
if(sameString(cb->gieStain, "acen"))
{
int cenLeft, cenRight, cenTop, cenBottom;
/* Get the coordinates of the edges of the centromere. */
cenLeft = round((cb->chromStart)*scale) + xOff + xBorder;
cenRight = round((cb->next->chromEnd)*scale) + xOff + xBorder;
cenTop = yOff+4;
cenBottom = yOff + yBorder - 3;
/* Draw centromere itself. */
hCytoBandDrawCentromere(hvg, cenLeft, cenTop, cenRight - cenLeft,
cenBottom-cenTop+1, MG_WHITE, hCytoBandCentromereColor(hvg));
break;
}
}
/* Draw a red box around all positions in windows for this chromName.
* Double thick so two pixels thick each. */
struct window *window;
for (window=windows; window; window=window->next)
{
if (!sameString(chromName, window->chromName))
continue;
x1 = round((window->winStart)*scale) + xOff + xBorder -1;
x2 = round((window->winEnd)*scale) + xOff + xBorder -1;
hvGfxBox(hvg, x1, yOff+1, x2-x1, 2, MG_RED);
hvGfxBox(hvg, x1, yOff + yBorder - 1, x2-x1, 2, MG_RED);
hvGfxBox(hvg, x1, yOff+1, 2, yBorder, MG_RED);
hvGfxBox(hvg, x2, yOff+1, 2, yBorder, MG_RED);
}
hvGfxUnclip(hvg);
/* Put back the lineHeight for the track
now that we are done spoofing tgDrawItems(). */
tg->heightPer += 11;
tg->lineHeight += 11;
}
void genoLayDrawBandedChroms(struct genoLay *gl, struct hvGfx *hvg, char *db,
struct sqlConnection *conn, Color *shadesOfGray, int maxShade,
int defaultColor)
/* Draw chromosomes with centromere and band glyphs.
* Get the band data from the database. If the data isn't
* there then draw simple chroms in default color instead */
{
char *bandTable = "cytoBandIdeo";
int yOffset = gl->chromOffsetY;
genoLayDrawSimpleChroms(gl, hvg, defaultColor);
if (sqlTableExists(conn, bandTable) && !gl->allOneLine)
{
int centromereColor = hCytoBandCentromereColor(hvg);
double pixelsPerBase = 1.0/gl->basesPerPixel;
int height = gl->chromHeight;
int innerHeight = gl->chromHeight-2;
struct genoLayChrom *chrom;
boolean isDmel = hCytoBandDbIsDmel(db);
boolean bColor = hvGfxFindColorIx(hvg, 200, 150, 150);
int fontPixelHeight = mgFontPixelHeight(gl->font);
for (chrom = gl->chromList; chrom != NULL; chrom = chrom->next)
{
boolean gotAny = FALSE;
struct sqlResult *sr;
char **row;
char query[256];
int cenX1=BIGNUM, cenX2=0;
int y = chrom->y + yOffset;
/* Fetch bands from database and draw them. */
safef(query, sizeof(query), "select * from %s where chrom='%s'",
bandTable, chrom->fullName);
sr = sqlGetResult(conn, query);
while ((row = sqlNextRow(sr)) != NULL)
{
struct cytoBand band;
int x1, x2;
cytoBandStaticLoad(row, &band);
x1 = pixelsPerBase*band.chromStart;
x2 = pixelsPerBase*band.chromEnd;
if (sameString(band.gieStain, "acen"))
{
/* Centromere is represented as two adjacent bands.
* We'll just record the extents of it here, and draw it
* in one piece later. */
if (x1 < cenX1)
cenX1 = x1;
if (x2 > cenX2)
cenX2 = x2;
}
else
{
/* Draw band */
hCytoBandDrawAt(&band, hvg, x1+chrom->x, y+1, x2-x1, innerHeight,
isDmel, gl->font, fontPixelHeight, MG_BLACK, bColor,
shadesOfGray, maxShade);
gotAny = TRUE;
}
}
sqlFreeResult(&sr);
/* Draw box around chromosome */
hvGfxBox(hvg, chrom->x, y, chrom->width, 1, MG_BLACK);
hvGfxBox(hvg, chrom->x, y+height-1, chrom->width, 1, MG_BLACK);
hvGfxBox(hvg, chrom->x, y, 1, height, MG_BLACK);
hvGfxBox(hvg, chrom->x+chrom->width-1, y, 1, height, MG_BLACK);
/* Draw centromere if we found one. */
if (cenX2 > cenX1)
{
hCytoBandDrawCentromere(hvg, cenX1+chrom->x, y, cenX2-cenX1, height,
MG_WHITE, centromereColor);
}
}
}
}
