diff options
Diffstat (limited to 'source/blender/editors/space_graph/graph_draw.c')
| -rw-r--r-- | source/blender/editors/space_graph/graph_draw.c | 384 |
1 files changed, 192 insertions, 192 deletions
diff --git a/source/blender/editors/space_graph/graph_draw.c b/source/blender/editors/space_graph/graph_draw.c index f6e182e02ec..9a94bb9072b 100644 --- a/source/blender/editors/space_graph/graph_draw.c +++ b/source/blender/editors/space_graph/graph_draw.c @@ -61,7 +61,7 @@ /* *************************** */ /* Utility Drawing Defines */ -/* determine the alpha value that should be used when +/* determine the alpha value that should be used when * drawing components for some F-Curve (fcu) * - selected F-Curves should be more visible than partially visible ones */ @@ -82,27 +82,27 @@ static void draw_fcurve_modifier_controls_envelope(FModifier *fcm, View2D *v2d) FCM_EnvelopeData *fed; const float fac = 0.05f * BLI_rctf_size_x(&v2d->cur); int i; - + /* draw two black lines showing the standard reference levels */ glColor3f(0.0f, 0.0f, 0.0f); glLineWidth(1); setlinestyle(5); - + glBegin(GL_LINES); glVertex2f(v2d->cur.xmin, env->midval + env->min); glVertex2f(v2d->cur.xmax, env->midval + env->min); - + glVertex2f(v2d->cur.xmin, env->midval + env->max); glVertex2f(v2d->cur.xmax, env->midval + env->max); glEnd(); setlinestyle(0); - + /* set size of vertices (non-adjustable for now) */ glPointSize(2.0f); - + /* for now, point color is fixed, and is white */ glColor3f(1.0f, 1.0f, 1.0f); - + glBegin(GL_POINTS); for (i = 0, fed = env->data; i < env->totvert; i++, fed++) { /* only draw if visible @@ -127,18 +127,18 @@ static void draw_fcurve_vertices_keyframes(FCurve *fcu, SpaceIpo *UNUSED(sipo), BezTriple *bezt = fcu->bezt; const float fac = 0.05f * BLI_rctf_size_x(&v2d->cur); int i; - + glBegin(GL_POINTS); - + for (i = 0; i < fcu->totvert; i++, bezt++) { - /* as an optimization step, only draw those in view + /* as an optimization step, only draw those in view * - we apply a correction factor to ensure that points don't pop in/out due to slight twitches of view size */ if (IN_RANGE(bezt->vec[1][0], (v2d->cur.xmin - fac), (v2d->cur.xmax + fac))) { if (edit) { /* 'Keyframe' vertex only, as handle lines and handles have already been drawn * - only draw those with correct selection state for the current drawing color - * - + * - */ if ((bezt->f2 & SELECT) == sel) glVertex3fv(bezt->vec[1]); @@ -150,41 +150,41 @@ static void draw_fcurve_vertices_keyframes(FCurve *fcu, SpaceIpo *UNUSED(sipo), } } } - + glEnd(); } -/* helper func - draw handle vertex for an F-Curve as a round unfilled circle +/* helper func - draw handle vertex for an F-Curve as a round unfilled circle * NOTE: the caller MUST HAVE GL_LINE_SMOOTH & GL_BLEND ENABLED, otherwise, the controls don't * have a consistent appearance (due to off-pixel alignments)... */ static void draw_fcurve_handle_control(float x, float y, float xscale, float yscale, float hsize) { static GLuint displist = 0; - + /* initialize round circle shape */ if (displist == 0) { GLUquadricObj *qobj; - + displist = glGenLists(1); glNewList(displist, GL_COMPILE); - + qobj = gluNewQuadric(); - gluQuadricDrawStyle(qobj, GLU_SILHOUETTE); + gluQuadricDrawStyle(qobj, GLU_SILHOUETTE); gluDisk(qobj, 0, 0.7, 8, 1); - gluDeleteQuadric(qobj); - + gluDeleteQuadric(qobj); + glEndList(); } - + /* adjust view transform before starting */ glTranslatef(x, y, 0.0f); glScalef(1.0f / xscale * hsize, 1.0f / yscale * hsize, 1.0f); - + /* draw! */ glCallList(displist); - + /* restore view transform */ glScalef(xscale / hsize, yscale / hsize, 1.0); glTranslatef(-x, -y, 0.0f); @@ -197,24 +197,24 @@ static void draw_fcurve_vertices_handles(FCurve *fcu, SpaceIpo *sipo, View2D *v2 BezTriple *prevbezt = NULL; float hsize, xscale, yscale; int i; - + /* get view settings */ hsize = UI_GetThemeValuef(TH_HANDLE_VERTEX_SIZE) * U.pixelsize; UI_view2d_scale_get(v2d, &xscale, &yscale); /* Compensate OGL scale sued for unit mapping, so circle will be circle, not ellipse */ yscale *= units_scale; - + /* set handle color */ if (sel) UI_ThemeColor(TH_HANDLE_VERTEX_SELECT); else UI_ThemeColor(TH_HANDLE_VERTEX); - + /* anti-aliased lines for more consistent appearance */ if ((sipo->flag & SIPO_BEAUTYDRAW_OFF) == 0) glEnable(GL_LINE_SMOOTH); glEnable(GL_BLEND); - + for (i = 0; i < fcu->totvert; i++, prevbezt = bezt, bezt++) { - /* Draw the editmode handles for a bezier curve (others don't have handles) + /* Draw the editmode handles for a bezier curve (others don't have handles) * if their selection status matches the selection status we're drawing for * - first handle only if previous beztriple was bezier-mode * - second handle only if current beztriple is bezier-mode @@ -227,14 +227,14 @@ static void draw_fcurve_vertices_handles(FCurve *fcu, SpaceIpo *sipo, View2D *v2 if ((bezt->f1 & SELECT) == sel) /* && v2d->cur.xmin < bezt->vec[0][0] < v2d->cur.xmax)*/ draw_fcurve_handle_control(bezt->vec[0][0], bezt->vec[0][1], xscale, yscale, hsize); } - + if (bezt->ipo == BEZT_IPO_BEZ) { if ((bezt->f3 & SELECT) == sel) /* && v2d->cur.xmin < bezt->vec[2][0] < v2d->cur.xmax)*/ draw_fcurve_handle_control(bezt->vec[2][0], bezt->vec[2][1], xscale, yscale, hsize); } } } - + if ((sipo->flag & SIPO_BEAUTYDRAW_OFF) == 0) glDisable(GL_LINE_SMOOTH); glDisable(GL_BLEND); } @@ -244,11 +244,11 @@ static void set_fcurve_vertex_color(FCurve *fcu, short sel) { /* Fade the 'intensity' of the vertices based on the selection of the curves too */ int alphaOffset = (int)((fcurve_display_alpha(fcu) - 1.0f) * 255); - + /* Set color of curve vertex based on state of curve (i.e. 'Edit' Mode) */ if ((fcu->flag & FCURVE_PROTECTED) == 0) { /* Curve's points ARE BEING edited */ - if (sel) UI_ThemeColorShadeAlpha(TH_VERTEX_SELECT, 0, alphaOffset); + if (sel) UI_ThemeColorShadeAlpha(TH_VERTEX_SELECT, 0, alphaOffset); else UI_ThemeColorShadeAlpha(TH_VERTEX, 0, alphaOffset); } else { @@ -262,29 +262,29 @@ static void set_fcurve_vertex_color(FCurve *fcu, short sel) static void draw_fcurve_vertices(SpaceIpo *sipo, ARegion *ar, FCurve *fcu, short do_handles, short sel_handle_only, float units_scale) { View2D *v2d = &ar->v2d; - - /* only draw points if curve is visible + + /* only draw points if curve is visible * - draw unselected points before selected points as separate passes to minimize color-changing overhead - * (XXX dunno if this is faster than drawing all in one pass though) + * (XXX dunno if this is faster than drawing all in one pass though) * and also to make sure in the case of overlapping points that the selected is always visible * - draw handles before keyframes, so that keyframes will overlap handles (keyframes are more important for users) */ - + glPointSize(UI_GetThemeValuef(TH_VERTEX_SIZE)); - + /* draw the two handles first (if they're shown, the curve doesn't have just a single keyframe, and the curve is being edited) */ if (do_handles) { set_fcurve_vertex_color(fcu, 0); draw_fcurve_vertices_handles(fcu, sipo, v2d, 0, sel_handle_only, units_scale); - + set_fcurve_vertex_color(fcu, 1); draw_fcurve_vertices_handles(fcu, sipo, v2d, 1, sel_handle_only, units_scale); } - + /* draw keyframes over the handles */ set_fcurve_vertex_color(fcu, 0); draw_fcurve_vertices_keyframes(fcu, sipo, v2d, !(fcu->flag & FCURVE_PROTECTED), 0); - + set_fcurve_vertex_color(fcu, 1); draw_fcurve_vertices_keyframes(fcu, sipo, v2d, !(fcu->flag & FCURVE_PROTECTED), 1); } @@ -315,14 +315,14 @@ static bool draw_fcurve_handles_check(SpaceIpo *sipo, FCurve *fcu) static void draw_fcurve_handles(SpaceIpo *sipo, FCurve *fcu) { int sel, b; - + /* a single call to GL_LINES here around these calls should be sufficient to still * get separate line segments, but which aren't wrapped with GL_LINE_STRIP every time we * want a single line */ glBegin(GL_LINES); - - /* slightly hacky, but we want to draw unselected points before selected ones + + /* slightly hacky, but we want to draw unselected points before selected ones * so that selected points are clearly visible */ for (sel = 0; sel < 2; sel++) { @@ -330,35 +330,35 @@ static void draw_fcurve_handles(SpaceIpo *sipo, FCurve *fcu) int basecol = (sel) ? TH_HANDLE_SEL_FREE : TH_HANDLE_FREE; const float *fp; unsigned char col[4]; - + for (b = 0; b < fcu->totvert; b++, prevbezt = bezt, bezt++) { - /* if only selected keyframes can get their handles shown, + /* if only selected keyframes can get their handles shown, * check that keyframe is selected */ if (sipo->flag & SIPO_SELVHANDLESONLY) { if (BEZT_ISSEL_ANY(bezt) == 0) continue; } - + /* draw handle with appropriate set of colors if selection is ok */ if ((bezt->f2 & SELECT) == sel) { fp = bezt->vec[0]; - + /* only draw first handle if previous segment had handles */ if ((!prevbezt && (bezt->ipo == BEZT_IPO_BEZ)) || (prevbezt && (prevbezt->ipo == BEZT_IPO_BEZ))) { UI_GetThemeColor3ubv(basecol + bezt->h1, col); col[3] = fcurve_display_alpha(fcu) * 255; glColor4ubv((GLubyte *)col); - + glVertex2fv(fp); glVertex2fv(fp + 3); } - + /* only draw second handle if this segment is bezier */ if (bezt->ipo == BEZT_IPO_BEZ) { UI_GetThemeColor3ubv(basecol + bezt->h2, col); col[3] = fcurve_display_alpha(fcu) * 255; glColor4ubv((GLubyte *)col); - + glVertex2fv(fp + 3); glVertex2fv(fp + 6); } } @@ -371,10 +371,10 @@ static void draw_fcurve_handles(SpaceIpo *sipo, FCurve *fcu) UI_GetThemeColor3ubv(basecol + bezt->h1, col); col[3] = fcurve_display_alpha(fcu) * 255; glColor4ubv((GLubyte *)col); - + glVertex2fv(fp); glVertex2fv(fp + 3); } - + /* only draw second handle if this segment is bezier, and selection is ok */ if (((bezt->f3 & SELECT) == sel) && (bezt->ipo == BEZT_IPO_BEZ)) @@ -383,49 +383,49 @@ static void draw_fcurve_handles(SpaceIpo *sipo, FCurve *fcu) UI_GetThemeColor3ubv(basecol + bezt->h2, col); col[3] = fcurve_display_alpha(fcu) * 255; glColor4ubv((GLubyte *)col); - + glVertex2fv(fp); glVertex2fv(fp + 3); } } } } - + glEnd(); /* GL_LINES */ } /* Samples ---------------- */ -/* helper func - draw sample-range marker for an F-Curve as a cross +/* helper func - draw sample-range marker for an F-Curve as a cross * NOTE: the caller MUST HAVE GL_LINE_SMOOTH & GL_BLEND ENABLED, otherwise, the controls don't * have a consistent appearance (due to off-pixel alignments)... */ static void draw_fcurve_sample_control(float x, float y, float xscale, float yscale, float hsize) { static GLuint displist = 0; - + /* initialize X shape */ if (displist == 0) { displist = glGenLists(1); glNewList(displist, GL_COMPILE); - + glBegin(GL_LINES); glVertex2f(-0.7f, -0.7f); glVertex2f(+0.7f, +0.7f); - + glVertex2f(-0.7f, +0.7f); glVertex2f(+0.7f, -0.7f); glEnd(); /* GL_LINES */ - + glEndList(); } - + /* adjust view transform before starting */ glTranslatef(x, y, 0.0f); glScalef(1.0f / xscale * hsize, 1.0f / yscale * hsize, 1.0f); - + /* draw! */ glCallList(displist); - + /* restore view transform */ glScalef(xscale / hsize, yscale / hsize, 1.0); glTranslatef(-x, -y, 0.0f); @@ -436,28 +436,28 @@ static void draw_fcurve_samples(SpaceIpo *sipo, ARegion *ar, FCurve *fcu) { FPoint *first, *last; float hsize, xscale, yscale; - + /* get view settings */ hsize = UI_GetThemeValuef(TH_VERTEX_SIZE); UI_view2d_scale_get(&ar->v2d, &xscale, &yscale); - + /* set vertex color */ if (fcu->flag & (FCURVE_ACTIVE | FCURVE_SELECTED)) UI_ThemeColor(TH_TEXT_HI); else UI_ThemeColor(TH_TEXT); - + /* get verts */ first = fcu->fpt; last = (first) ? (first + (fcu->totvert - 1)) : (NULL); - + /* draw */ if (first && last) { /* anti-aliased lines for more consistent appearance */ if ((sipo->flag & SIPO_BEAUTYDRAW_OFF) == 0) glEnable(GL_LINE_SMOOTH); glEnable(GL_BLEND); - + draw_fcurve_sample_control(first->vec[0], first->vec[1], xscale, yscale, hsize); draw_fcurve_sample_control(last->vec[0], last->vec[1], xscale, yscale, hsize); - + glDisable(GL_BLEND); if ((sipo->flag & SIPO_BEAUTYDRAW_OFF) == 0) glDisable(GL_LINE_SMOOTH); } @@ -487,10 +487,10 @@ static void draw_fcurve_curve(bAnimContext *ac, ID *id, FCurve *fcu, View2D *v2d /* disable any drivers temporarily */ driver = fcu->driver; fcu->driver = NULL; - + /* compute unit correction factor */ unitFac = ANIM_unit_mapping_get_factor(ac->scene, id, fcu, mapping_flag, &offset); - + /* Note about sampling frequency: * Ideally, this is chosen such that we have 1-2 pixels = 1 segment * which means that our curves can be as smooth as possible. However, @@ -506,10 +506,10 @@ static void draw_fcurve_curve(bAnimContext *ac, ID *id, FCurve *fcu, View2D *v2d /* grid->dx represents the number of 'frames' between gridlines, but we divide by U.v2d_min_gridsize to get pixels-steps */ /* TODO: perhaps we should have 1.0 frames as upper limit so that curves don't get too distorted? */ samplefreq = dx / (U.v2d_min_gridsize * U.pixelsize); - + if (sipo->flag & SIPO_BEAUTYDRAW_OFF) { /* Low Precision = coarse lower-bound clamping - * + * * Although the "Beauty Draw" flag was originally for AA'd * line drawing, the sampling rate here has a much greater * impact on performance (e.g. for T40372)! @@ -525,27 +525,27 @@ static void draw_fcurve_curve(bAnimContext *ac, ID *id, FCurve *fcu, View2D *v2d if (samplefreq < 0.00001f) samplefreq = 0.00001f; } - - + + /* the start/end times are simply the horizontal extents of the 'cur' rect */ stime = v2d->cur.xmin; etime = v2d->cur.xmax + samplefreq; /* + samplefreq here so that last item gets included... */ - - - /* at each sampling interval, add a new vertex - * - apply the unit correction factor to the calculated values so that + + + /* at each sampling interval, add a new vertex + * - apply the unit correction factor to the calculated values so that * the displayed values appear correctly in the viewport */ glBegin(GL_LINE_STRIP); - + n = (etime - stime) / samplefreq + 0.5f; for (i = 0; i <= n; i++) { float ctime = stime + i * samplefreq; glVertex2f(ctime, (evaluate_fcurve(fcu, ctime) + offset) * unitFac); } - + glEnd(); - + /* restore driver */ fcu->driver = driver; } @@ -567,11 +567,11 @@ static void draw_fcurve_curve_samples(bAnimContext *ac, ID *id, FCurve *fcu, Vie glTranslatef(0.0f, offset, 0.0f); glBegin(GL_LINE_STRIP); - + /* extrapolate to left? - left-side of view comes before first keyframe? */ if (prevfpt->vec[0] > v2d->cur.xmin) { v[0] = v2d->cur.xmin; - + /* y-value depends on the interpolation */ if ((fcu->extend == FCURVE_EXTRAPOLATE_CONSTANT) || (fcu->flag & FCURVE_INT_VALUES) || (fcu->totvert == 1)) { /* just extend across the first keyframe's value */ @@ -583,33 +583,33 @@ static void draw_fcurve_curve_samples(bAnimContext *ac, ID *id, FCurve *fcu, Vie if (fac) fac = 1.0f / fac; v[1] = prevfpt->vec[1] - fac * (prevfpt->vec[1] - fpt->vec[1]); } - + glVertex2fv(v); } - + /* if only one sample, add it now */ if (fcu->totvert == 1) glVertex2fv(prevfpt->vec); - + /* loop over samples, drawing segments */ /* draw curve between first and last keyframe (if there are enough to do so) */ while (b--) { /* Linear interpolation: just add one point (which should add a new line segment) */ glVertex2fv(prevfpt->vec); - + /* get next pointers */ prevfpt = fpt; fpt++; - + /* last point? */ if (b == 0) glVertex2fv(prevfpt->vec); } - + /* extrapolate to right? (see code for left-extrapolation above too) */ if (prevfpt->vec[0] < v2d->cur.xmax) { v[0] = v2d->cur.xmax; - + /* y-value depends on the interpolation */ if ((fcu->extend == FCURVE_EXTRAPOLATE_CONSTANT) || (fcu->flag & FCURVE_INT_VALUES) || (fcu->totvert == 1)) { /* based on last keyframe's value */ @@ -622,28 +622,28 @@ static void draw_fcurve_curve_samples(bAnimContext *ac, ID *id, FCurve *fcu, Vie if (fac) fac = 1.0f / fac; v[1] = prevfpt->vec[1] - fac * (prevfpt->vec[1] - fpt->vec[1]); } - + glVertex2fv(v); } - + glEnd(); glPopMatrix(); } -/* helper func - check if the F-Curve only contains easily drawable segments +/* helper func - check if the F-Curve only contains easily drawable segments * (i.e. no easing equation interpolations) */ static bool fcurve_can_use_simple_bezt_drawing(FCurve *fcu) { BezTriple *bezt; int i; - + for (i = 0, bezt = fcu->bezt; i < fcu->totvert; i++, bezt++) { if (ELEM(bezt->ipo, BEZT_IPO_CONST, BEZT_IPO_LIN, BEZT_IPO_BEZ) == false) { return false; } } - + return true; } @@ -659,7 +659,7 @@ static void draw_fcurve_curve_bezts(bAnimContext *ac, ID *id, FCurve *fcu, View2 int resol; float unit_scale, offset; short mapping_flag = ANIM_get_normalization_flags(ac); - + /* apply unit mapping */ glPushMatrix(); unit_scale = ANIM_unit_mapping_get_factor(ac->scene, id, fcu, mapping_flag, &offset); @@ -667,12 +667,12 @@ static void draw_fcurve_curve_bezts(bAnimContext *ac, ID *id, FCurve *fcu, View2 glTranslatef(0.0f, offset, 0.0f); glBegin(GL_LINE_STRIP); - + /* extrapolate to left? */ if (prevbezt->vec[1][0] > v2d->cur.xmin) { /* left-side of view comes before first keyframe, so need to extend as not cyclic */ v1[0] = v2d->cur.xmin; - + /* y-value depends on the interpolation */ if ((fcu->extend == FCURVE_EXTRAPOLATE_CONSTANT) || (prevbezt->ipo == BEZT_IPO_CONST) || (fcu->totvert == 1)) { /* just extend across the first keyframe's value */ @@ -690,17 +690,17 @@ static void draw_fcurve_curve_bezts(bAnimContext *ac, ID *id, FCurve *fcu, View2 if (fac) fac = 1.0f / fac; v1[1] = prevbezt->vec[1][1] - fac * (prevbezt->vec[0][1] - prevbezt->vec[1][1]); } - + glVertex2fv(v1); } - + /* if only one keyframe, add it now */ if (fcu->totvert == 1) { v1[0] = prevbezt->vec[1][0]; v1[1] = prevbezt->vec[1][1]; glVertex2fv(v1); } - + /* draw curve between first and last keyframe (if there are enough to do so) */ /* TODO: optimize this to not have to calc stuff out of view too? */ while (b--) { @@ -709,7 +709,7 @@ static void draw_fcurve_curve_bezts(bAnimContext *ac, ID *id, FCurve *fcu, View2 v1[0] = prevbezt->vec[1][0]; v1[1] = prevbezt->vec[1][1]; glVertex2fv(v1); - + v1[0] = bezt->vec[1][0]; v1[1] = prevbezt->vec[1][1]; glVertex2fv(v1); @@ -721,10 +721,10 @@ static void draw_fcurve_curve_bezts(bAnimContext *ac, ID *id, FCurve *fcu, View2 glVertex2fv(v1); } else if (prevbezt->ipo == BEZT_IPO_BEZ) { - /* Bezier-Interpolation: draw curve as series of segments between keyframes + /* Bezier-Interpolation: draw curve as series of segments between keyframes * - resol determines number of points to sample in between keyframes */ - + /* resol depends on distance between points (not just horizontal) OR is a fixed high res */ /* TODO: view scale should factor into this someday too... */ if (fcu->driver) { @@ -733,7 +733,7 @@ static void draw_fcurve_curve_bezts(bAnimContext *ac, ID *id, FCurve *fcu, View2 else { resol = (int)(5.0f * len_v2v2(bezt->vec[1], prevbezt->vec[1])); } - + if (resol < 2) { /* only draw one */ v1[0] = prevbezt->vec[1][0]; @@ -744,31 +744,31 @@ static void draw_fcurve_curve_bezts(bAnimContext *ac, ID *id, FCurve *fcu, View2 /* clamp resolution to max of 32 */ /* NOTE: higher values will crash */ if (resol > 32) resol = 32; - + v1[0] = prevbezt->vec[1][0]; v1[1] = prevbezt->vec[1][1]; v2[0] = prevbezt->vec[2][0]; v2[1] = prevbezt->vec[2][1]; - + v3[0] = bezt->vec[0][0]; v3[1] = bezt->vec[0][1]; v4[0] = bezt->vec[1][0]; v4[1] = bezt->vec[1][1]; - + correct_bezpart(v1, v2, v3, v4); - + BKE_curve_forward_diff_bezier(v1[0], v2[0], v3[0], v4[0], data, resol, sizeof(float) * 3); BKE_curve_forward_diff_bezier(v1[1], v2[1], v3[1], v4[1], data + 1, resol, sizeof(float) * 3); - + for (fp = data; resol; resol--, fp += 3) glVertex2fv(fp); } } - + /* get next pointers */ prevbezt = bezt; bezt++; - + /* last point? */ if (b == 0) { v1[0] = prevbezt->vec[1][0]; @@ -776,11 +776,11 @@ static void draw_fcurve_curve_bezts(bAnimContext *ac, ID *id, FCurve *fcu, View2 glVertex2fv(v1); } } - + /* extrapolate to right? (see code for left-extrapolation above too) */ if (prevbezt->vec[1][0] < v2d->cur.xmax) { v1[0] = v2d->cur.xmax; - + /* y-value depends on the interpolation */ if ((fcu->extend == FCURVE_EXTRAPOLATE_CONSTANT) || (fcu->flag & FCURVE_INT_VALUES) || (prevbezt->ipo == BEZT_IPO_CONST) || (fcu->totvert == 1)) { /* based on last keyframe's value */ @@ -799,17 +799,17 @@ static void draw_fcurve_curve_bezts(bAnimContext *ac, ID *id, FCurve *fcu, View2 if (fac) fac = 1.0f / fac; v1[1] = prevbezt->vec[1][1] - fac * (prevbezt->vec[2][1] - prevbezt->vec[1][1]); } - + glVertex2fv(v1); } - + glEnd(); glPopMatrix(); } /* Debugging -------------------------------- */ -/* Draw indicators which show the value calculated from the driver, +/* Draw indicators which show the value calculated from the driver, * and how this is mapped to the value that comes out of it. This * is handy for helping users better understand how to interpret * the graphs, and also facilitates debugging. @@ -821,93 +821,93 @@ static void graph_draw_driver_debug(bAnimContext *ac, ID *id, FCurve *fcu) short mapping_flag = ANIM_get_normalization_flags(ac); float offset; float unitfac = ANIM_unit_mapping_get_factor(ac->scene, id, fcu, mapping_flag, &offset); - + /* for now, only show when debugging driver... */ //if ((driver->flag & DRIVER_FLAG_SHOWDEBUG) == 0) // return; - + /* No curve to modify/visualize the result? - * => We still want to show the 1-1 default... + * => We still want to show the 1-1 default... */ if ((fcu->totvert == 0) && BLI_listbase_is_empty(&fcu->modifiers)) { float t; - + /* draw with thin dotted lines in style of what curve would have been */ glColor3fv(fcu->color); - + setlinestyle(20); glLineWidth(2.0f); - - /* draw 1-1 line, stretching just past the screen limits + + /* draw 1-1 line, stretching just past the screen limits * NOTE: we need to scale the y-values to be valid for the units */ glBegin(GL_LINES); { t = v2d->cur.xmin; glVertex2f(t, (t + offset) * unitfac); - + t = v2d->cur.xmax; glVertex2f(t, (t + offset) * unitfac); } glEnd(); - + /* cleanup line drawing */ setlinestyle(0); } - + /* draw driver only if actually functional */ if ((driver->flag & DRIVER_FLAG_INVALID) == 0) { /* grab "coordinates" for driver outputs */ float x = driver->curval; float y = fcu->curval * unitfac; - + /* only draw indicators if the point is in range*/ if (x >= v2d->cur.xmin) { float co[2]; - + /* draw dotted lines leading towards this point from both axes ....... */ glColor3f(0.9f, 0.9f, 0.9f); setlinestyle(5); - + glBegin(GL_LINES); { /* x-axis lookup */ co[0] = x; - + if (y >= v2d->cur.ymin) { co[1] = v2d->cur.ymin - 1.0f; glVertex2fv(co); - + co[1] = y; glVertex2fv(co); } - + /* y-axis lookup */ co[1] = y; - + co[0] = v2d->cur.xmin - 1.0f; glVertex2fv(co); - + co[0] = x; glVertex2fv(co); } glEnd(); - + setlinestyle(0); - + /* x marks the spot .................................................... */ /* -> outer frame */ glColor3f(0.9f, 0.9f, 0.9f); glPointSize(7.0); - + glBegin(GL_POINTS); glVertex2f(x, y); glEnd(); - + /* inner frame */ glColor3f(0.9f, 0.0f, 0.0f); glPointSize(3.0); - + glBegin(GL_POINTS); glVertex2f(x, y); glEnd(); @@ -917,36 +917,36 @@ static void graph_draw_driver_debug(bAnimContext *ac, ID *id, FCurve *fcu) /* Public Curve-Drawing API ---------------- */ -/* Draw the 'ghost' F-Curves (i.e. snapshots of the curve) +/* Draw the 'ghost' F-Curves (i.e. snapshots of the curve) * NOTE: unit mapping has already been applied to the values, so do not try and apply again */ void graph_draw_ghost_curves(bAnimContext *ac, SpaceIpo *sipo, ARegion *ar) { FCurve *fcu; - + /* draw with thick dotted lines */ setlinestyle(10); glLineWidth(3.0f); - + /* anti-aliased lines for less jagged appearance */ if ((sipo->flag & SIPO_BEAUTYDRAW_OFF) == 0) glEnable(GL_LINE_SMOOTH); glEnable(GL_BLEND); - + /* the ghost curves are simply sampled F-Curves stored in sipo->ghostCurves */ for (fcu = sipo->ghostCurves.first; fcu; fcu = fcu->next) { - /* set whatever color the curve has set + /* set whatever color the curve has set * - this is set by the function which creates these * - draw with a fixed opacity of 2 */ glColor4f(fcu->color[0], fcu->color[1], fcu->color[2], 0.5f); - + /* simply draw the stored samples */ draw_fcurve_curve_samples(ac, NULL, fcu, &ar->v2d); } - + /* restore settings */ setlinestyle(0); - + if ((sipo->flag & SIPO_BEAUTYDRAW_OFF) == 0) glDisable(GL_LINE_SMOOTH); glDisable(GL_BLEND); } @@ -959,32 +959,32 @@ void graph_draw_curves(bAnimContext *ac, SpaceIpo *sipo, ARegion *ar, View2DGrid ListBase anim_data = {NULL, NULL}; bAnimListElem *ale; int filter; - + /* build list of curves to draw */ filter = (ANIMFILTER_DATA_VISIBLE | ANIMFILTER_CURVE_VISIBLE); filter |= ((sel) ? (ANIMFILTER_SEL) : (ANIMFILTER_UNSEL)); ANIM_animdata_filter(ac, &anim_data, filter, ac->data, ac->datatype); - + /* for each curve: - * draw curve, then handle-lines, and finally vertices in this order so that + * draw curve, then handle-lines, and finally vertices in this order so that * the data will be layered correctly */ for (ale = anim_data.first; ale; ale = ale->next) { FCurve *fcu = (FCurve *)ale->key_data; FModifier *fcm = find_active_fmodifier(&fcu->modifiers); AnimData *adt = ANIM_nla_mapping_get(ac, ale); - + /* map keyframes for drawing if scaled F-Curve */ if (adt) - ANIM_nla_mapping_apply_fcurve(adt, ale->key_data, 0, 0); - + ANIM_nla_mapping_apply_fcurve(adt, ale->key_data, 0, 0); + /* draw curve: * - curve line may be result of one or more destructive modifiers or just the raw data, * so we need to check which method should be used * - controls from active modifier take precedence over keyframes * (XXX! editing tools need to take this into account!) */ - + /* 1) draw curve line */ { /* set color/drawing style for curve itself */ @@ -998,12 +998,12 @@ void graph_draw_curves(bAnimContext *ac, SpaceIpo *sipo, ARegion *ar, View2DGrid UI_ThemeColorShade(TH_HEADER, 50); } else { - /* set whatever color the curve has set + /* set whatever color the curve has set * - unselected curves draw less opaque to help distinguish the selected ones */ glColor4f(fcu->color[0], fcu->color[1], fcu->color[2], fcurve_display_alpha(fcu)); } - + /* draw active F-Curve thicker than the rest to make it stand out */ if (fcu->flag & FCURVE_ACTIVE) { glLineWidth(2.0); @@ -1011,15 +1011,15 @@ void graph_draw_curves(bAnimContext *ac, SpaceIpo *sipo, ARegion *ar, View2DGrid else { glLineWidth(1.0); } - + /* anti-aliased lines for less jagged appearance */ if ((sipo->flag & SIPO_BEAUTYDRAW_OFF) == 0) glEnable(GL_LINE_SMOOTH); glEnable(GL_BLEND); - + /* draw F-Curve */ if ((fcu->modifiers.first) || (fcu->flag & FCURVE_INT_VALUES)) { - /* draw a curve affected by modifiers or only allowed to have integer values - * by sampling it at various small-intervals over the visible region + /* draw a curve affected by modifiers or only allowed to have integer values + * by sampling it at various small-intervals over the visible region */ draw_fcurve_curve(ac, ale->id, fcu, &ar->v2d, grid); } @@ -1035,15 +1035,15 @@ void graph_draw_curves(bAnimContext *ac, SpaceIpo *sipo, ARegion *ar, View2DGrid draw_fcurve_curve_samples(ac, ale->id, fcu, &ar->v2d); } } - + /* restore settings */ setlinestyle(0); - + if ((sipo->flag & SIPO_BEAUTYDRAW_OFF) == 0) glDisable(GL_LINE_SMOOTH); glDisable(GL_BLEND); } - - /* 2) draw handles and vertices as appropriate based on active + + /* 2) draw handles and vertices as appropriate based on active * - if the option to only show controls if the F-Curve is selected is enabled, we must obey this */ if (!(sipo->flag & SIPO_SELCUVERTSONLY) || (fcu->flag & FCURVE_SELECTED)) { @@ -1061,46 +1061,46 @@ void graph_draw_curves(bAnimContext *ac, SpaceIpo *sipo, ARegion *ar, View2DGrid short mapping_flag = ANIM_get_normalization_flags(ac); float offset; float unit_scale = ANIM_unit_mapping_get_factor(ac->scene, ale->id, fcu, mapping_flag, &offset); - + /* apply unit-scaling to all values via OpenGL */ glPushMatrix(); glScalef(1.0f, unit_scale, 1.0f); glTranslatef(0.0f, offset, 0.0f); - + /* set this once and for all - all handles and handle-verts should use the same thickness */ glLineWidth(1.0); - + if (fcu->bezt) { bool do_handles = draw_fcurve_handles_check(sipo, fcu); - + if (do_handles) { /* only draw handles/vertices on keyframes */ glEnable(GL_BLEND); draw_fcurve_handles(sipo, fcu); glDisable(GL_BLEND); } - + draw_fcurve_vertices(sipo, ar, fcu, do_handles, (sipo->flag & SIPO_SELVHANDLESONLY), unit_scale); } else { /* samples: only draw two indicators at either end as indicators */ draw_fcurve_samples(sipo, ar, fcu); } - + glPopMatrix(); } } - + /* 3) draw driver debugging stuff */ if ((ac->datatype == ANIMCONT_DRIVERS) && (fcu->flag & FCURVE_ACTIVE)) { graph_draw_driver_debug(ac, ale->id, fcu); } - + /* undo mapping of keyframes for drawing if scaled F-Curve */ if (adt) - ANIM_nla_mapping_apply_fcurve(adt, ale->key_data, 1, 0); + ANIM_nla_mapping_apply_fcurve(adt, ale->key_data, 1, 0); } - + /* free list of curves */ ANIM_animdata_freelist(&anim_data); } @@ -1109,40 +1109,40 @@ void graph_draw_curves(bAnimContext *ac, SpaceIpo *sipo, ARegion *ar, View2DGrid /* Channel List */ /* left hand part */ -void graph_draw_channel_names(bContext *C, bAnimContext *ac, ARegion *ar) +void graph_draw_channel_names(bContext *C, bAnimContext *ac, ARegion *ar) { ListBase anim_data = {NULL, NULL}; bAnimListElem *ale; int filter; - + View2D *v2d = &ar->v2d; float y = 0.0f, height; size_t items; int i = 0; - + /* build list of channels to draw */ filter = (ANIMFILTER_DATA_VISIBLE | ANIMFILTER_LIST_VISIBLE | ANIMFILTER_LIST_CHANNELS); items = ANIM_animdata_filter(ac, &anim_data, filter, ac->data, ac->datatype); - + /* Update max-extent of channels here (taking into account scrollers): * - this is done to allow the channel list to be scrollable, but must be done here * to avoid regenerating the list again and/or also because channels list is drawn first - * - offset of ACHANNEL_HEIGHT*2 is added to the height of the channels, as first is for + * - offset of ACHANNEL_HEIGHT*2 is added to the height of the channels, as first is for * start of list offset, and the second is as a correction for the scrollers. */ height = (float)((items * ACHANNEL_STEP(ac)) + (ACHANNEL_HEIGHT(ac) * 2)); UI_view2d_totRect_set(v2d, BLI_rcti_size_x(&ar->v2d.mask), height); - + /* loop through channels, and set up drawing depending on their type */ { /* first pass: just the standard GL-drawing for backdrop + text */ size_t channel_index = 0; - + y = (float)ACHANNEL_FIRST(ac); - + for (ale = anim_data.first, i = 0; ale; ale = ale->next, i++) { const float yminc = (float)(y - ACHANNEL_HEIGHT_HALF(ac)); const float ymaxc = (float)(y + ACHANNEL_HEIGHT_HALF(ac)); - + /* check if visible */ if (IN_RANGE(yminc, v2d->cur.ymin, v2d->cur.ymax) || IN_RANGE(ymaxc, v2d->cur.ymin, v2d->cur.ymax) ) @@ -1150,7 +1150,7 @@ void graph_draw_channel_names(bContext *C, bAnimContext *ac, ARegion *ar) /* draw all channels using standard channel-drawing API */ ANIM_channel_draw(ac, ale, yminc, ymaxc, channel_index); } - + /* adjust y-position for next one */ y -= ACHANNEL_STEP(ac); channel_index++; @@ -1159,17 +1159,17 @@ void graph_draw_channel_names(bContext *C, bAnimContext *ac, ARegion *ar) { /* second pass: widgets */ uiBlock *block = UI_block_begin(C, ar, __func__, UI_EMBOSS); size_t channel_index = 0; - + y = (float)ACHANNEL_FIRST(ac); - + /* set blending again, as may not be set in previous step */ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); glEnable(GL_BLEND); - + for (ale = anim_data.first, i = 0; ale; ale = ale->next, i++) { const float yminc = (float)(y - ACHANNEL_HEIGHT_HALF(ac)); const float ymaxc = (float)(y + ACHANNEL_HEIGHT_HALF(ac)); - + /* check if visible */ if (IN_RANGE(yminc, v2d->cur.ymin, v2d->cur.ymax) || IN_RANGE(ymaxc, v2d->cur.ymin, v2d->cur.ymax) ) @@ -1177,18 +1177,18 @@ void graph_draw_channel_names(bContext *C, bAnimContext *ac, ARegion *ar) /* draw all channels using standard channel-drawing API */ ANIM_channel_draw_widgets(C, ac, ale, block, yminc, ymaxc, channel_index); } - + /* adjust y-position for next one */ y -= ACHANNEL_STEP(ac); channel_index++; } - + UI_block_end(C, block); UI_block_draw(C, block); - + glDisable(GL_BLEND); } - + /* free tempolary channels */ ANIM_animdata_freelist(&anim_data); } |