88 lines
2.4 KiB
Mathematica
88 lines
2.4 KiB
Mathematica
|
#import "GBVisualizerView.h"
|
||
|
|
#include <Core/gb.h>
|
||
|
|
|
||
|
|
#define SAMPLE_COUNT 1024
|
||
|
|
|
||
|
|
static NSColor *color_to_effect_color(typeof(GB_PALETTE_DMG.colors[0]) color)
|
||
|
|
{
|
||
|
|
if (@available(macOS 10.10, *)) {
|
||
|
|
double tint = MAX(color.r, MAX(color.g, color.b)) + 64;
|
||
|
|
|
||
|
|
return [NSColor colorWithRed:color.r / tint
|
||
|
|
green:color.g / tint
|
||
|
|
blue:color.b / tint
|
||
|
|
alpha:tint/(255 + 64)];
|
||
|
|
|
||
|
|
}
|
||
|
|
return [NSColor colorWithRed:color.r / 255.0
|
||
|
|
green:color.g / 255.0
|
||
|
|
blue:color.b / 255.0
|
||
|
|
alpha:1.0];
|
||
|
|
}
|
||
|
|
|
||
|
|
@implementation GBVisualizerView
|
||
|
|
{
|
||
|
|
GB_sample_t _samples[SAMPLE_COUNT];
|
||
|
|
size_t _position;
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)drawRect:(NSRect)dirtyRect
|
||
|
|
{
|
||
|
|
const GB_palette_t *palette;
|
||
|
|
switch ([[NSUserDefaults standardUserDefaults] integerForKey:@"GBColorPalette"]) {
|
||
|
|
case 1:
|
||
|
|
palette = &GB_PALETTE_DMG;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 2:
|
||
|
|
palette = &GB_PALETTE_MGB;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 3:
|
||
|
|
palette = &GB_PALETTE_GBL;
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
palette = &GB_PALETTE_GREY;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
NSSize size = self.bounds.size;
|
||
|
|
|
||
|
|
[color_to_effect_color(palette->colors[0]) setFill];
|
||
|
|
NSRectFill(self.bounds);
|
||
|
|
|
||
|
|
NSBezierPath *line = [NSBezierPath bezierPath];
|
||
|
|
[line moveToPoint:NSMakePoint(0, size.height / 2)];
|
||
|
|
|
||
|
|
for (unsigned i = 0; i < SAMPLE_COUNT; i++) {
|
||
|
|
GB_sample_t *sample = _samples + ((i + _position) % SAMPLE_COUNT);
|
||
|
|
double volume = ((signed)sample->left + (signed)sample->right) / 32768.0;
|
||
|
|
[line lineToPoint:NSMakePoint(size.width * (i + 0.5) / SAMPLE_COUNT,
|
||
|
|
(volume + 1) * size.height / 2)];
|
||
|
|
}
|
||
|
|
|
||
|
|
[line lineToPoint:NSMakePoint(size.width, size.height / 2)];
|
||
|
|
[line setLineWidth:1.0];
|
||
|
|
|
||
|
|
[color_to_effect_color(palette->colors[2]) setFill];
|
||
|
|
[line fill];
|
||
|
|
|
||
|
|
[color_to_effect_color(palette->colors[1]) setFill];
|
||
|
|
NSRectFill(NSMakeRect(0, size.height / 2 - 0.5, size.width, 1));
|
||
|
|
|
||
|
|
[color_to_effect_color(palette->colors[3]) setStroke];
|
||
|
|
[line stroke];
|
||
|
|
|
||
|
|
[super drawRect:dirtyRect];
|
||
|
|
}
|
||
|
|
|
||
|
|
- (void)addSample:(GB_sample_t *)sample
|
||
|
|
{
|
||
|
|
_samples[_position++] = *sample;
|
||
|
|
if (_position == SAMPLE_COUNT) {
|
||
|
|
_position = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
@end
|