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Fix crash on OS X when the window is too small

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This commit is contained in:
Alexander Kojevnikov 2012-08-30 10:39:27 -07:00
parent c64475f36e
commit 21d2d447c5
1 changed files with 23 additions and 21 deletions
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44
src/spek-spectrogram.cc
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@ -209,7 +209,7 @@ void SpekSpectrogram::render(wxDC& dc)
TPAD - 2 * GAP - normal_height - small_height TPAD - 2 * GAP - normal_height - small_height
); );
if (this->image.GetHeight() > 1) { if (this->image.GetWidth() > 1 && this->image.GetHeight() > 1) {
// Draw the spectrogram. // Draw the spectrogram.
wxBitmap bmp(this->image.Scale(w - LPAD - RPAD, h - TPAD - BPAD)); wxBitmap bmp(this->image.Scale(w - LPAD - RPAD, h - TPAD - BPAD));
dc.DrawBitmap(bmp, LPAD, TPAD); dc.DrawBitmap(bmp, LPAD, TPAD);
@ -274,28 +274,30 @@ void SpekSpectrogram::render(wxDC& dc)
dc.DrawRectangle(LPAD, TPAD, w - LPAD - RPAD, h - TPAD - BPAD); dc.DrawRectangle(LPAD, TPAD, w - LPAD - RPAD, h - TPAD - BPAD);
// The palette. // The palette.
wxBitmap bmp(this->palette.Scale(RULER, h - TPAD - BPAD + 1)); if (h - TPAD - BPAD > 0) {
dc.DrawBitmap(bmp, w - RPAD + GAP, TPAD); wxBitmap bmp(this->palette.Scale(RULER, h - TPAD - BPAD + 1));
dc.DrawBitmap(bmp, w - RPAD + GAP, TPAD);
// Prepare to draw the ruler. // Prepare to draw the ruler.
dc.SetFont(small_font); dc.SetFont(small_font);
// Spectral density. // Spectral density.
int density_factors[] = {1, 2, 5, 10, 20, 50, 0}; int density_factors[] = {1, 2, 5, 10, 20, 50, 0};
SpekRuler density_ruler( SpekRuler density_ruler(
w - RPAD + GAP + RULER, w - RPAD + GAP + RULER,
TPAD, TPAD,
SpekRuler::RIGHT, SpekRuler::RIGHT,
// TRANSLATORS: keep "-00" unchanged, it's used to calc the text width // TRANSLATORS: keep "-00" unchanged, it's used to calc the text width
_("-00 dB"), _("-00 dB"),
density_factors, density_factors,
-THRESHOLD, -THRESHOLD,
3.0, 3.0,
(h - TPAD - BPAD) / (double)THRESHOLD, (h - TPAD - BPAD) / (double)THRESHOLD,
h - TPAD - BPAD, h - TPAD - BPAD,
density_formatter density_formatter
); );
density_ruler.draw(dc); density_ruler.draw(dc);
}
} }
static void pipeline_cb(int sample, float *values, void *cb_data) static void pipeline_cb(int sample, float *values, void *cb_data)