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Different paddings for left, right, top and bottom

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Alexander Kojevnikov 2010-05-20 00:12:12 +10:00
parent 49ee0af067
commit 23cdd1d0d2
1 changed files with 16 additions and 12 deletions
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28
src/spek-spectrogram.vala
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@ -30,7 +30,11 @@ namespace Spek {
private ImageSurface image;
private ImageSurface palette;
private const int PADDING = 50;
private const int TPAD = 50;
private const int BPAD = 40;
private const int LPAD = 50;
private const int RPAD = 40;
private const int GAP = 10;
private const int RULER = 10;
@ -65,7 +69,7 @@ namespace Spek {
// The number of samples is the number of pixels available for the image.
// The number of bands is fixed, FFT results are very different for
// different values but we need some consistency.
int samples = allocation.width - 2 * PADDING;
int samples = allocation.width - LPAD - RPAD;
if (samples > 0) {
image = new ImageSurface (Format.RGB24, samples, BANDS);
source = new Source (file_name, BANDS, samples, THRESHOLD, source_callback);
@ -90,7 +94,7 @@ namespace Spek {
1.0, Math.log10 (1.0 - THRESHOLD + values[y]) / Math.log10 (-THRESHOLD));
put_pixel (image, sample, y, get_color (level));
}
queue_draw_area (PADDING + sample, PADDING, 1, allocation.height - 2 * PADDING);
queue_draw_area (LPAD + sample, TPAD, 1, allocation.height - TPAD - BPAD);
}
private override bool expose_event (EventExpose event) {
@ -114,8 +118,8 @@ namespace Spek {
if (image != null) {
// Draw the spectrogram.
cr.translate (PADDING, h - PADDING);
cr.scale (1, -(h - 2 * PADDING) / image.get_height ());
cr.translate (LPAD, h - BPAD);
cr.scale (1, -(h - TPAD - BPAD) / image.get_height ());
cr.set_source_surface (image, 0, 0);
cr.paint ();
cr.identity_matrix ();
@ -134,9 +138,9 @@ namespace Spek {
{1, 2, 5, 10, 20, 30, 1*60, 2*60, 5*60, 10*60, 20*60, 30*60},
duration_seconds,
1.5,
unit => (w - 2 * PADDING) * unit / duration_seconds,
unit => (w - LPAD - RPAD) * unit / duration_seconds,
unit => "%d:%02d".printf (unit / 60, unit % 60));
cr.translate (PADDING, h - PADDING);
cr.translate (LPAD, h - BPAD);
time_ruler.draw (cr, true);
cr.identity_matrix ();
@ -147,9 +151,9 @@ namespace Spek {
{1000, 2000, 5000, 10000, 20000},
freq,
4.0,
unit => (h - 2 * PADDING) * unit / freq,
unit => (h - TPAD - BPAD) * unit / freq,
unit => "%d kHz".printf (unit / 1000));
cr.translate (PADDING, PADDING);
cr.translate (LPAD, TPAD);
rate_ruler.draw (cr, false);
cr.identity_matrix ();
}
@ -158,12 +162,12 @@ namespace Spek {
cr.set_source_rgb (1, 1, 1);
cr.set_line_width (1);
cr.set_antialias (Antialias.NONE);
cr.rectangle (PADDING, PADDING, w - 2 * PADDING, h - 2 * PADDING);
cr.rectangle (LPAD, TPAD, w - LPAD - RPAD, h - TPAD - BPAD);
cr.stroke ();
// The palette.
cr.translate (w - PADDING + GAP, h - PADDING);
cr.scale (1, -(h - 2 * PADDING) / palette.get_height ());
cr.translate (w - RPAD + GAP, h - BPAD);
cr.scale (1, -(h - TPAD - BPAD) / palette.get_height ());
cr.set_source_surface (palette, 0, 0);
cr.paint ();
cr.identity_matrix ();