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Draw link tiles stationary relative to the DC

This commit is contained in:
businessmanprogrammersteve 2010-02-18 19:46:37 +00:00
parent 5a6b7a4ec9
commit 449bee981f
1 changed files with 30 additions and 13 deletions
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43
src/TrackArtist.cpp
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@ -2642,23 +2642,40 @@ void TrackArtist::SetSpectrumLogMaxFreq(int freq)
mLogMaxFreq = freq;
}
// Draws the link bitmap, tiled; always draws stationary relative to the DC
void TrackArtist::DrawLinkTiles(wxDC *dc, wxRect r)
{
wxBitmap sync(theTheme.Image(bmpLinkSelect));
// Draw in full-width copies
int x;
for (x = 0; x + sync.GetWidth() < r.width; x += sync.GetWidth()) {
for (int y = 0; y < r.height; y += sync.GetHeight()) {
dc->DrawBitmap(sync, r.x + x, r.y + y, true);
}
}
// Draw in partial column at end of selection
if (r.width - x > 0) {
sync = sync.GetSubBitmap(wxRect(0, 0, r.width - x, sync.GetHeight()));
for (int y = 0; y < r.height; y += sync.GetHeight()) {
dc->DrawBitmap(sync, r.x + x, r.y + y, true);
int xOffset = r.x % sync.GetWidth();
int width;
for (int x = 0; x < r.width; x += width) {
width = sync.GetWidth() - xOffset;
if (x + width > r.width)
width = r.width - x;
int yOffset = r.y % sync.GetHeight();
int height;
for (int y = 0; y < r.height; y += height) {
height = sync.GetHeight() - yOffset;
if (y + height > r.height)
height = r.height - y;
// Do we need to get a sub-bitmap?
if (width != sync.GetWidth() || height != sync.GetHeight()) {
wxBitmap subSync = sync.GetSubBitmap(wxRect(
xOffset, yOffset, width, height));
dc->DrawBitmap(subSync, r.x + x, r.y + y, true);
}
else {
dc->DrawBitmap(sync, r.x + x, r.y + y, true);
}
// Only offset first row
yOffset = 0;
}
// Only offset first column
xOffset = 0;
}
}