#include <cairo.h>
#include <string.h>
#include <limits.h>
+#include <unistd.h>
#include "ardour/dB.h"
#include "canvas-waveview.h"
#include "rgb_macros.h"
+/* POSIX guarantees casting between void* and function pointers, ISO C doesn't
+ * We can work around warnings by going one step deeper in our casts
+ */
+#ifdef _POSIX_VERSION
+#define POSIX_FUNC_PTR_CAST(type, object) *((type*) &(object))
+#endif // _POSIX_VERSION
extern void c_stacktrace();
item = GNOME_CANVAS_ITEM (object);
waveview = GNOME_CANVAS_WAVEVIEW (object);
+ void * ptr;
switch (prop_id) {
case PROP_DATA_SRC:
gnome_canvas_waveview_set_data_src (waveview, g_value_get_pointer(value));
break;
case PROP_LENGTH_FUNCTION:
- waveview->length_function = (gulong (*)(void*)) g_value_get_pointer(value);
+ ptr = g_value_get_pointer(value);
+ waveview->length_function = POSIX_FUNC_PTR_CAST(waveview_length_function_t, ptr);
redraw = TRUE;
break;
case PROP_SOURCEFILE_LENGTH_FUNCTION:
- waveview->sourcefile_length_function = (gulong (*)(void*,double)) g_value_get_pointer(value);
+ ptr = g_value_get_pointer(value);
+ waveview->sourcefile_length_function = POSIX_FUNC_PTR_CAST(waveview_sourcefile_length_function_t, ptr);
redraw = TRUE;
break;
case PROP_PEAK_FUNCTION:
- waveview->peak_function =
- (void (*)(void*,gulong,gulong,gulong,gpointer,guint32,double))
- g_value_get_pointer(value);
+ ptr = g_value_get_pointer(value);
+ waveview->peak_function = POSIX_FUNC_PTR_CAST(waveview_peak_function_t, ptr);
redraw = TRUE;
break;
case PROP_GAIN_FUNCTION:
- waveview->gain_curve_function =
- (void (*)(void *arg, double start, double end, float* vector, gint64 veclen))
- g_value_get_pointer(value);
+ ptr = g_value_get_pointer(value);
+ waveview->gain_curve_function = POSIX_FUNC_PTR_CAST(waveview_gain_curve_function_t, ptr);
redraw = TRUE;
break;
break;
case PROP_LENGTH_FUNCTION:
- g_value_set_pointer(value, (void*) waveview->length_function);
+ g_value_set_pointer(value, POSIX_FUNC_PTR_CAST(void*, waveview->length_function));
break;
case PROP_SOURCEFILE_LENGTH_FUNCTION:
- g_value_set_pointer(value, (void*) waveview->sourcefile_length_function);
+ g_value_set_pointer(value, POSIX_FUNC_PTR_CAST(void*, waveview->sourcefile_length_function));
break;
case PROP_PEAK_FUNCTION:
- g_value_set_pointer(value, (void*) waveview->peak_function);
+ g_value_set_pointer(value, POSIX_FUNC_PTR_CAST(void*, waveview->peak_function));
break;
case PROP_GAIN_FUNCTION:
- g_value_set_pointer(value, (void*) waveview->gain_curve_function);
+ g_value_set_pointer(value, POSIX_FUNC_PTR_CAST(void*, waveview->gain_curve_function));
break;
case PROP_GAIN_SRC:
}
}
- if (!waveview->rectified && waveview->zero_line) {
+ if (!waveview->rectified && waveview->zero_line && waveview->height >= 100) {
// Paint zeroline.
- //PAINT_HORIZA(buf, waveview->zero_r, waveview->zero_g, waveview->zero_b, waveview->zero_a, begin, endi-1, origin );
unsigned char zero_r, zero_g, zero_b, zero_a;
- UINT_TO_RGBA( waveview->zero_color, &zero_r, &zero_g, &zero_b, &zero_a );
+ UINT_TO_RGBA( waveview->zero_color, &zero_r, &zero_g, &zero_b, &zero_a);
int zeroline_y = (int) rint ((item->y1 + origin) * item->canvas->pixels_per_unit);
PAINT_HORIZA(buf, zero_r, zero_g, zero_b, zero_a, zbegin, zend, zeroline_y);
}