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Set outline color per spiral segment

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This commit is contained in:
Paul Dicker
2025-04-09 20:16:12 +02:00
committed by Stéphane Lesimple
parent 73218aebd2
commit ed8d9cfd66
7 changed files with 28 additions and 25 deletions
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17
src/spiral.c
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@@ -51,13 +51,14 @@ Spiral* GuiCreateSpiral(GdkColor *outline, GdkColor *fill,
spiral->segmentCount = spiral->segmentClipping = n_segments;
spiral->segmentPos = g_malloc(n_segments * sizeof(double));
spiral->segmentColor = g_malloc(n_segments * sizeof(GdkColor*));
spiral->outline = outline;
spiral->segmentOutline = g_malloc(n_segments * sizeof(GdkColor*));
spiral->cursorPos = -1;
for(i=0; i<n_segments; i++)
{
spiral->segmentPos[i] = a;
spiral->segmentColor[i] = fill;
spiral->segmentOutline[i] = outline;
ring_expand = ((double)segment_size * a) / (2.0*M_PI);
a += atan((double)segment_size / scale_o);
@@ -85,6 +86,7 @@ void GuiFreeSpiral(Spiral *spiral)
g_free(spiral->segmentPos);
g_free(spiral->segmentColor);
g_free(spiral->segmentOutline);
g_free(spiral);
}
@@ -139,9 +141,11 @@ void GuiDrawSpiral(Spiral *spiral)
points[2].x = xo1; points[2].y = yo1;
points[3].x = xi1; points[3].y = yi1;
GdkColor *outline = spiral->segmentOutline[i] ? spiral->segmentOutline[i] : Closure->grid;
gdk_gc_set_rgb_fg_color(Closure->drawGC, spiral->segmentColor[i]);
gdk_draw_polygon(d, Closure->drawGC, TRUE, points, 4);
gdk_gc_set_rgb_fg_color(Closure->drawGC, spiral->outline);
gdk_gc_set_rgb_fg_color(Closure->drawGC, outline);
gdk_draw_polygon(d, Closure->drawGC, FALSE, points, 4);
xi0 = xi1; yi0 = yi1;
@@ -153,7 +157,7 @@ void GuiDrawSpiral(Spiral *spiral)
* Draw just one segment of the spiral
*/
void GuiDrawSpiralSegment(Spiral *spiral, GdkColor *color, int segment)
void GuiDrawSpiralSegment(Spiral *spiral, GdkColor *color, GdkColor *outline, int segment)
{ GdkDrawable *d = gtk_widget_get_window(spiral->widget);
double a;
double scale_i,scale_o,ring_expand;
@@ -185,9 +189,10 @@ void GuiDrawSpiralSegment(Spiral *spiral, GdkColor *color, int segment)
points[2].y = spiral->my + scale_o*sin(a);
spiral->segmentColor[segment] = color;
spiral->segmentOutline[segment] = outline;
gdk_gc_set_rgb_fg_color(Closure->drawGC, color);
gdk_draw_polygon(d, Closure->drawGC, TRUE, points, 4);
gdk_gc_set_rgb_fg_color(Closure->drawGC, spiral->outline);
gdk_gc_set_rgb_fg_color(Closure->drawGC, outline);
gdk_draw_polygon(d, Closure->drawGC, FALSE, points, 4);
}
@@ -230,7 +235,7 @@ void GuiMoveSpiralCursor(Spiral *spiral, int to_segment)
/* Erase old cursor */
if(spiral->cursorPos >= 0)
GuiDrawSpiralSegment(spiral, spiral->colorUnderCursor, spiral->cursorPos);
GuiDrawSpiralSegment(spiral, spiral->colorUnderCursor, 0, spiral->cursorPos);
/* Moving to -1 means cursor off */
@@ -247,7 +252,7 @@ void GuiMoveSpiralCursor(Spiral *spiral, int to_segment)
/* Draw cursor at new place */
spiral->colorUnderCursor = spiral->segmentColor[to_segment];
GuiDrawSpiralSegment(spiral, Closure->blueSector, to_segment);
GuiDrawSpiralSegment(spiral, Closure->blueSector, 0, to_segment);
}
/*