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PictureFlow: Minor fixes/refactoring

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- get_albumart_for_index_from_db:
slide_index not allowed to be -1

- Fix visual glitch changing scroll direction:
An errant frame was displayed when switching
from one scroll direction immediately to the other

- Rename/combine functions and replace
magic numbers for zoom animation

- iPods: Fix inability to skip or reverse zoom animation
using Back button

Change-Id: I888c3c437bb123325813bf79be56b320cfbfda0c
This commit is contained in:
Christian Soffke 2023-04-01 16:48:33 +02:00
parent 8b95f2e758
commit 3554306617
1 changed files with 68 additions and 53 deletions
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121
apps/plugins/pictureflow/pictureflow.c
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@ -2072,8 +2072,6 @@ static bool get_albumart_for_index_from_db(const int slide_index, char *buf,
int buflen)
{
bool ret;
if (slide_index == -1)
rb->strlcpy(buf, EMPTY_SLIDE, buflen);
if (tcs.valid || !rb->tagcache_search(&tcs, tag_filename))
return false;
@ -3162,7 +3160,7 @@ static inline void set_current_slide(const int slide_index)
}
static void interrupt_cover_out_animation(void);
static void skip_animation_to_idle_state(void);
static bool sort_albums(int new_sorting, bool from_settings)
{
int i, album_idx, artist_idx;
@ -3196,7 +3194,7 @@ static bool sort_albums(int new_sorting, bool from_settings)
if (pf_state == pf_show_tracks ||
pf_state == pf_cover_in ||
pf_state == pf_cover_out)
interrupt_cover_out_animation();
skip_animation_to_idle_state();
else if (pf_state == pf_scrolling)
set_current_slide(target);
pf_state = pf_idle;
@ -3256,6 +3254,8 @@ static void start_animation(void)
pf_state = pf_scrolling;
}
static void update_scroll_animation(void);
/**
Go to the previous slide
*/
@ -3269,6 +3269,8 @@ static void show_previous_slide(void)
} else if ( step > 0 ) {
target = center_index;
step = (target <= center_slide.slide_index) ? -1 : 1;
if (step < 0)
update_scroll_animation();
} else {
target = fmax(0, center_index - 2);
}
@ -3288,6 +3290,8 @@ static void show_next_slide(void)
} else if ( step < 0 ) {
target = center_index;
step = (target < center_slide.slide_index) ? -1 : 1;
if (step > 0)
update_scroll_animation();
} else {
target = fmin(center_index + 2, number_of_slides - 1);
}
@ -3473,7 +3477,7 @@ static void cleanup(void)
#endif
}
static void interrupt_cover_in_animation(void);
static void skip_animation_to_show_tracks(void);
static void adjust_album_display_for_setting(int old_val, int new_val)
{
if (old_val == new_val)
@ -3484,7 +3488,7 @@ static void adjust_album_display_for_setting(int old_val, int new_val)
reset_slides();
if (pf_state == pf_show_tracks)
interrupt_cover_in_animation();
skip_animation_to_show_tracks();
}
/**
@ -3706,21 +3710,33 @@ static int main_menu(void)
}
}
#define ZOOMIN_FRAME_COUNT 19
#define ZOOMIN_FRAME_DIST -5
#define ZOOMIN_FRAME_ANGLE 1
#define ZOOMIN_FRAME_FADE 13
#define ROTATE_FRAME_COUNT 15
#define ROTATE_FRAME_ANGLE 16
#define KEYFRAME_COUNT ZOOMIN_FRAME_COUNT + ROTATE_FRAME_COUNT
/**
Animation step for zooming into the current cover
*/
static void update_cover_in_animation(void)
{
cover_animation_keyframe++;
if( cover_animation_keyframe < 20 ) {
center_slide.distance-=5;
center_slide.angle+=1;
extra_fade += 13;
if(cover_animation_keyframe <= ZOOMIN_FRAME_COUNT)
{
center_slide.distance += ZOOMIN_FRAME_DIST;
center_slide.angle += ZOOMIN_FRAME_ANGLE;
extra_fade += ZOOMIN_FRAME_FADE;
}
else if( cover_animation_keyframe < 35 ) {
center_slide.angle+=16;
}
else {
else if(cover_animation_keyframe <= KEYFRAME_COUNT)
center_slide.angle += ROTATE_FRAME_ANGLE;
else
{
cover_animation_keyframe = 0;
pf_state = pf_show_tracks;
}
@ -3732,36 +3748,40 @@ static void update_cover_in_animation(void)
static void update_cover_out_animation(void)
{
cover_animation_keyframe++;
if( cover_animation_keyframe <= 15 ) {
center_slide.angle-=16;
if(cover_animation_keyframe <= ROTATE_FRAME_COUNT)
center_slide.angle -= ROTATE_FRAME_ANGLE;
else if(cover_animation_keyframe <= KEYFRAME_COUNT)
{
center_slide.distance -= ZOOMIN_FRAME_DIST;
center_slide.angle -= ZOOMIN_FRAME_ANGLE;
extra_fade -= ZOOMIN_FRAME_FADE;
}
else if( cover_animation_keyframe < 35 ) {
center_slide.distance+=5;
center_slide.angle-=1;
extra_fade -= 13;
}
else {
else
{
cover_animation_keyframe = 0;
pf_state = pf_idle;
}
}
/**
Skip steps for zooming into the current cover
Immediately show tracks and skip any animation frames
*/
static void interrupt_cover_in_animation(void)
static void skip_animation_to_show_tracks(void)
{
pf_state = pf_show_tracks;
cover_animation_keyframe = 0;
extra_fade = 13 * 19;
center_slide.distance = -5 * 19;
center_slide.angle = 19 + (15 * 16);
extra_fade = ZOOMIN_FRAME_COUNT * ZOOMIN_FRAME_FADE;
center_slide.distance = ZOOMIN_FRAME_COUNT * ZOOMIN_FRAME_DIST;
center_slide.angle = (ZOOMIN_FRAME_COUNT * ZOOMIN_FRAME_ANGLE) +
(ROTATE_FRAME_COUNT * ROTATE_FRAME_ANGLE);
}
/**
Skip steps for zooming out the current cover
Immediately transition to idle state and skip any animation frames
*/
static void interrupt_cover_out_animation(void)
static void skip_animation_to_idle_state(void)
{
pf_state = pf_idle;
cover_animation_keyframe = 0;
@ -3770,21 +3790,12 @@ static void interrupt_cover_out_animation(void)
}
/**
Stop zooming out the current cover and start zooming in
Change direction during cover in/out animation
*/
static void revert_cover_out_animation(void)
static void reverse_animation(void)
{
pf_state = pf_cover_in;
cover_animation_keyframe = 34 - cover_animation_keyframe;
}
/**
Stop zooming into the current cover and start zooming out
*/
static void revert_cover_in_animation(void)
{
pf_state = pf_cover_out;
cover_animation_keyframe = 34 - cover_animation_keyframe;
pf_state = pf_state == pf_cover_out ? pf_cover_in : pf_cover_out;
cover_animation_keyframe = KEYFRAME_COUNT - cover_animation_keyframe;
}
/**
@ -3967,7 +3978,7 @@ static void select_next_album(void)
free_borrowed_tracks();
target = center_index + 1;
set_current_slide(target);
interrupt_cover_in_animation();
skip_animation_to_show_tracks();
}
}
@ -3977,7 +3988,7 @@ static void select_prev_album(void)
free_borrowed_tracks();
target = center_index - 1;
set_current_slide(target);
interrupt_cover_in_animation();
skip_animation_to_show_tracks();
}
}
@ -4605,9 +4616,9 @@ static int pictureflow_main(const char* selected_file)
free_borrowed_tracks();
}
else if (pf_state == pf_cover_in)
revert_cover_in_animation();
reverse_animation();
else if (pf_state == pf_cover_out)
interrupt_cover_out_animation();
skip_animation_to_idle_state();
else if (pf_state == pf_idle || pf_state == pf_scrolling)
return PLUGIN_OK;
break;
@ -4634,9 +4645,9 @@ static int pictureflow_main(const char* selected_file)
if ( pf_state == pf_show_tracks )
select_next_track();
else if (pf_state == pf_cover_in)
interrupt_cover_in_animation();
skip_animation_to_show_tracks();
else if (pf_state == pf_cover_out)
interrupt_cover_out_animation();
skip_animation_to_idle_state();
if ( pf_state == pf_idle || pf_state == pf_scrolling )
show_next_slide();
@ -4647,9 +4658,9 @@ static int pictureflow_main(const char* selected_file)
if ( pf_state == pf_show_tracks )
select_prev_track();
else if (pf_state == pf_cover_in)
interrupt_cover_in_animation();
skip_animation_to_show_tracks();
else if (pf_state == pf_cover_out)
interrupt_cover_out_animation();
skip_animation_to_idle_state();
if ( pf_state == pf_idle || pf_state == pf_scrolling )
show_previous_slide();
@ -4685,6 +4696,10 @@ static int pictureflow_main(const char* selected_file)
}
else if ( pf_state == pf_show_tracks )
select_prev_album();
else if (pf_state == pf_cover_in)
reverse_animation();
else if (pf_state == pf_cover_out)
skip_animation_to_idle_state();
break;
#if PF_PLAYBACK_CAPABLE
case PF_CONTEXT:
@ -4697,7 +4712,7 @@ static int pictureflow_main(const char* selected_file)
pf_state = pf_idle;
}
else if (pf_state == pf_cover_out)
interrupt_cover_out_animation();
skip_animation_to_idle_state();
if (context_menu_ready())
{
@ -4727,9 +4742,9 @@ static int pictureflow_main(const char* selected_file)
pf_state = pf_cover_in;
}
else if (pf_state == pf_cover_out)
revert_cover_out_animation();
reverse_animation();
else if (pf_state == pf_cover_in)
interrupt_cover_in_animation();
skip_animation_to_show_tracks();
#if PF_PLAYBACK_CAPABLE
else if (pf_state == pf_show_tracks) {
if(pf_cfg.auto_wps != 0) {