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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2012 Blender Foundation.
* All rights reserved.
*/
/** \file blender/editors/space_clip/clip_dopesheet_draw.c
* \ingroup spclip
*/
#include "DNA_movieclip_types.h"
#include "DNA_scene_types.h"
#include "BLI_utildefines.h"
#include "BLI_math.h"
#include "BLI_rect.h"
#include "BKE_context.h"
#include "BKE_movieclip.h"
#include "ED_screen.h"
#include "ED_clip.h"
#include "BIF_gl.h"
#include "WM_types.h"
#include "UI_interface.h"
#include "UI_resources.h"
#include "UI_view2d.h"
#include "BLF_api.h"
#include "RNA_access.h"
#include "clip_intern.h" /* own include */
static void track_channel_color(MovieTrackingTrack *track, float default_color[3], float color[3])
{
if (track->flag & TRACK_CUSTOMCOLOR) {
float bg[3];
UI_GetThemeColor3fv(TH_HEADER, bg);
interp_v3_v3v3(color, track->color, bg, 0.5);
}
else {
if (default_color)
copy_v3_v3(color, default_color);
else
UI_GetThemeColor3fv(TH_HEADER, color);
}
}
static void draw_keyframe_shape(float x, float y, float xscale, float yscale, bool sel, float alpha)
{
/* coordinates for diamond shape */
static const float _unit_diamond_shape[4][2] = {
{0.0f, 1.0f}, /* top vert */
{1.0f, 0.0f}, /* mid-right */
{0.0f, -1.0f}, /* bottom vert */
{-1.0f, 0.0f} /* mid-left */
};
static GLuint displist1 = 0;
static GLuint displist2 = 0;
int hsize = STRIP_HEIGHT_HALF;
/* initialize 2 display lists for diamond shape - one empty, one filled */
if (displist1 == 0) {
displist1 = glGenLists(1);
glNewList(displist1, GL_COMPILE);
glBegin(GL_LINE_LOOP);
glVertex2fv(_unit_diamond_shape[0]);
glVertex2fv(_unit_diamond_shape[1]);
glVertex2fv(_unit_diamond_shape[2]);
glVertex2fv(_unit_diamond_shape[3]);
glEnd();
glEndList();
}
if (displist2 == 0) {
displist2 = glGenLists(1);
glNewList(displist2, GL_COMPILE);
glBegin(GL_QUADS);
glVertex2fv(_unit_diamond_shape[0]);
glVertex2fv(_unit_diamond_shape[1]);
glVertex2fv(_unit_diamond_shape[2]);
glVertex2fv(_unit_diamond_shape[3]);
glEnd();
glEndList();
}
glPushMatrix();
/* adjust view transform before starting */
glTranslatef(x, y, 0.0f);
glScalef(1.0f / xscale * hsize, 1.0f / yscale * hsize, 1.0f);
/* anti-aliased lines for more consistent appearance */
glEnable(GL_LINE_SMOOTH);
if (sel)
UI_ThemeColorShadeAlpha(TH_STRIP_SELECT, 50, -255 * (1.0f - alpha));
else
glColor4f(0.91f, 0.91f, 0.91f, alpha);
glCallList(displist2);
/* exterior - black frame */
glColor4f(0.0f, 0.0f, 0.0f, alpha);
glCallList(displist1);
glDisable(GL_LINE_SMOOTH);
/* restore view transform */
glPopMatrix();
}
static void clip_draw_dopesheet_background(ARegion *ar, MovieClip *clip)
{
View2D *v2d = &ar->v2d;
MovieTracking *tracking = &clip->tracking;
MovieTrackingDopesheet *dopesheet = &tracking->dopesheet;
MovieTrackingDopesheetCoverageSegment *coverage_segment;
for (coverage_segment = dopesheet->coverage_segments.first;
coverage_segment;
coverage_segment = coverage_segment->next)
{
if (coverage_segment->coverage < TRACKING_COVERAGE_OK) {
int start_frame = BKE_movieclip_remap_clip_to_scene_frame(clip, coverage_segment->start_frame);
int end_frame = BKE_movieclip_remap_clip_to_scene_frame(clip, coverage_segment->end_frame);
if (coverage_segment->coverage == TRACKING_COVERAGE_BAD) {
glColor4f(1.0f, 0.0f, 0.0f, 0.07f);
}
else
glColor4f(1.0f, 1.0f, 0.0f, 0.07f);
glRectf(start_frame, v2d->cur.ymin, end_frame, v2d->cur.ymax);
}
}
}
void clip_draw_dopesheet_main(SpaceClip *sc, ARegion *ar, Scene *scene)
{
MovieClip *clip = ED_space_clip_get_clip(sc);
View2D *v2d = &ar->v2d;
/* frame range */
clip_draw_sfra_efra(v2d, scene);
if (clip) {
MovieTracking *tracking = &clip->tracking;
MovieTrackingDopesheet *dopesheet = &tracking->dopesheet;
MovieTrackingDopesheetChannel *channel;
float y, xscale, yscale;
float strip[4], selected_strip[4];
float height = (dopesheet->tot_channel * CHANNEL_STEP) + (CHANNEL_HEIGHT);
/* don't use totrect set, as the width stays the same
* (NOTE: this is ok here, the configuration is pretty straightforward)
*/
v2d->tot.ymin = (float)(-height);
y = (float) CHANNEL_FIRST;
UI_view2d_scale_get(v2d, &xscale, &yscale);
/* setup colors for regular and selected strips */
UI_GetThemeColor3fv(TH_STRIP, strip);
UI_GetThemeColor3fv(TH_STRIP_SELECT, selected_strip);
strip[3] = 0.5f;
selected_strip[3] = 1.0f;
glEnable(GL_BLEND);
clip_draw_dopesheet_background(ar, clip);
for (channel = dopesheet->channels.first; channel; channel = channel->next) {
float yminc = (float) (y - CHANNEL_HEIGHT_HALF);
float ymaxc = (float) (y + CHANNEL_HEIGHT_HALF);
/* check if visible */
if (IN_RANGE(yminc, v2d->cur.ymin, v2d->cur.ymax) ||
IN_RANGE(ymaxc, v2d->cur.ymin, v2d->cur.ymax))
{
MovieTrackingTrack *track = channel->track;
float alpha;
int i;
bool sel = (track->flag & TRACK_DOPE_SEL) != 0;
/* selection background */
if (sel) {
float color[4] = {0.0f, 0.0f, 0.0f, 0.3f};
float default_color[4] = {0.8f, 0.93f, 0.8f, 0.3f};
track_channel_color(track, default_color, color);
glColor4fv(color);
glRectf(v2d->cur.xmin, (float) y - CHANNEL_HEIGHT_HALF,
v2d->cur.xmax + EXTRA_SCROLL_PAD, (float) y + CHANNEL_HEIGHT_HALF);
}
alpha = (track->flag & TRACK_LOCKED) ? 0.5f : 1.0f;
/* tracked segments */
for (i = 0; i < channel->tot_segment; i++) {
int start_frame = BKE_movieclip_remap_clip_to_scene_frame(clip, channel->segments[2 * i]);
int end_frame = BKE_movieclip_remap_clip_to_scene_frame(clip, channel->segments[2 * i + 1]);
if (sel)
glColor4fv(selected_strip);
else
glColor4fv(strip);
if (start_frame != end_frame) {
glRectf(start_frame, (float) y - STRIP_HEIGHT_HALF,
end_frame, (float) y + STRIP_HEIGHT_HALF);
draw_keyframe_shape(start_frame, y, xscale, yscale, sel, alpha);
draw_keyframe_shape(end_frame, y, xscale, yscale, sel, alpha);
}
else {
draw_keyframe_shape(start_frame, y, xscale, yscale, sel, alpha);
}
}
/* keyframes */
i = 0;
while (i < track->markersnr) {
MovieTrackingMarker *marker = &track->markers[i];
if ((marker->flag & (MARKER_DISABLED | MARKER_TRACKED)) == 0) {
int framenr = BKE_movieclip_remap_clip_to_scene_frame(clip, marker->framenr);
draw_keyframe_shape(framenr, y, xscale, yscale, sel, alpha);
}
i++;
}
}
/* adjust y-position for next one */
y -= CHANNEL_STEP;
}
glDisable(GL_BLEND);
}
/* current frame */
clip_draw_cfra(sc, ar, scene);
}
void clip_draw_dopesheet_channels(const bContext *C, ARegion *ar)
{
ScrArea *sa = CTX_wm_area(C);
SpaceClip *sc = CTX_wm_space_clip(C);
View2D *v2d = &ar->v2d;
MovieClip *clip = ED_space_clip_get_clip(sc);
MovieTracking *tracking;
MovieTrackingDopesheet *dopesheet;
MovieTrackingDopesheetChannel *channel;
uiStyle *style = UI_style_get();
uiBlock *block;
int fontid = style->widget.uifont_id;
int height;
float y;
PropertyRNA *chan_prop_lock;
if (!clip)
return;
tracking = &clip->tracking;
dopesheet = &tracking->dopesheet;
height = (dopesheet->tot_channel * CHANNEL_STEP) + (CHANNEL_HEIGHT);
if (height > BLI_rcti_size_y(&v2d->mask)) {
/* don't use totrect set, as the width stays the same
* (NOTE: this is ok here, the configuration is pretty straightforward)
*/
v2d->tot.ymin = (float)(-height);
}
/* need to do a view-sync here, so that the keys area doesn't jump around
* (it must copy this) */
UI_view2d_sync(NULL, sa, v2d, V2D_LOCK_COPY);
/* loop through channels, and set up drawing depending on their type
* first pass: just the standard GL-drawing for backdrop + text
*/
y = (float) CHANNEL_FIRST;
BLF_size(fontid, 11.0f * U.pixelsize, U.dpi);
for (channel = dopesheet->channels.first; channel; channel = channel->next) {
float yminc = (float) (y - CHANNEL_HEIGHT_HALF);
float ymaxc = (float) (y + CHANNEL_HEIGHT_HALF);
/* check if visible */
if (IN_RANGE(yminc, v2d->cur.ymin, v2d->cur.ymax) ||
IN_RANGE(ymaxc, v2d->cur.ymin, v2d->cur.ymax))
{
MovieTrackingTrack *track = channel->track;
float font_height, color[3];
bool sel = (track->flag & TRACK_DOPE_SEL) != 0;
track_channel_color(track, NULL, color);
glColor3fv(color);
glRectf(v2d->cur.xmin, (float) y - CHANNEL_HEIGHT_HALF,
v2d->cur.xmax + EXTRA_SCROLL_PAD, (float) y + CHANNEL_HEIGHT_HALF);
if (sel)
UI_ThemeColor(TH_TEXT_HI);
else
UI_ThemeColor(TH_TEXT);
font_height = BLF_height(fontid, channel->name, sizeof(channel->name));
BLF_position(fontid, v2d->cur.xmin + CHANNEL_PAD,
y - font_height / 2.0f, 0.0f);
BLF_draw(fontid, channel->name, strlen(channel->name));
}
/* adjust y-position for next one */
y -= CHANNEL_STEP;
}
/* second pass: widgets */
block = UI_block_begin(C, ar, __func__, UI_EMBOSS);
y = (float) CHANNEL_FIRST;
/* get RNA properties (once) */
chan_prop_lock = RNA_struct_type_find_property(&RNA_MovieTrackingTrack, "lock");
BLI_assert(chan_prop_lock);
glEnable(GL_BLEND);
for (channel = dopesheet->channels.first; channel; channel = channel->next) {
float yminc = (float)(y - CHANNEL_HEIGHT_HALF);
float ymaxc = (float)(y + CHANNEL_HEIGHT_HALF);
/* check if visible */
if (IN_RANGE(yminc, v2d->cur.ymin, v2d->cur.ymax) ||
IN_RANGE(ymaxc, v2d->cur.ymin, v2d->cur.ymax))
{
MovieTrackingTrack *track = channel->track;
const int icon = (track->flag & TRACK_LOCKED) ? ICON_LOCKED : ICON_UNLOCKED;
PointerRNA ptr;
RNA_pointer_create(&clip->id, &RNA_MovieTrackingTrack, track, &ptr);
UI_block_emboss_set(block, UI_EMBOSS_NONE);
uiDefIconButR_prop(block, UI_BTYPE_ICON_TOGGLE, 1, icon,
v2d->cur.xmax - UI_UNIT_X - CHANNEL_PAD, y - UI_UNIT_Y / 2.0f,
UI_UNIT_X, UI_UNIT_Y, &ptr, chan_prop_lock, 0, 0, 0, 0, 0, NULL);
UI_block_emboss_set(block, UI_EMBOSS);
}
/* adjust y-position for next one */
y -= CHANNEL_STEP;
}
glDisable(GL_BLEND);
UI_block_end(C, block);
UI_block_draw(C, block);
}
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