git_clone/thorvg
1
0
Fork 0
mirror of https://github.com/thorvg/thorvg.git synced 2025-07-25 23:59:12 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 5

examples/capi: added an animation example.

Browse source
This commit is contained in:
Hermet Park 2023-09-22 23:18:26 +09:00 • committed by Hermet Park
parent 749523b709
commit 44d0f98274
1 changed files with 58 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

61
src/examples/Capi.cpp
View file

@ -33,7 +33,9 @@
static uint32_t* buffer = NULL;
static Tvg_Canvas* canvas = NULL;
static Tvg_Animation* animation = NULL;
static Eo* view = NULL;
static Elm_Transit *transit = NULL;
void testCapi()
{
@ -176,7 +178,6 @@ void testCapi()
//Push the scene into the canvas
tvg_canvas_push(canvas, scene);
//////5. Masked picture
//Set a scene
Tvg_Paint* pict = tvg_picture_new();
@ -200,8 +201,7 @@ void testCapi()
tvg_canvas_push(canvas, pict);
}
//////Save a paint
//////6. Save a paint
//Create a shape
Tvg_Paint* shape = tvg_shape_new();
tvg_shape_append_circle(shape, 420.0f, 420.0f, 10.0f, 10.0f);
@ -226,12 +226,62 @@ void testCapi()
tvg_canvas_push(canvas, pict_tvg);
}
//////7. Animation with a picture
animation = tvg_animation_new();
Tvg_Paint* pict_lottie = tvg_animation_get_picture(animation);
if (tvg_picture_load(pict_lottie, EXAMPLE_DIR"/sample.json") != TVG_RESULT_SUCCESS) {
printf("Problem with loading an lottie file\n");
tvg_animation_del(animation);
} else {
tvg_paint_scale(pict_lottie, 3.0f);
tvg_canvas_push(canvas, pict_lottie);
float duration;
tvg_animation_get_duration(animation, &duration);
elm_transit_duration_set(transit, duration);
elm_transit_repeat_times_set(transit, -1);
elm_transit_go(transit);
}
//////Draw the canvas
tvg_canvas_draw(canvas);
tvg_canvas_sync(canvas);
}
/************************************************************************/
/* Animation Code */
/************************************************************************/
void transitCb(Elm_Transit_Effect *effect, Elm_Transit* transit, double progress)
{
if (!canvas) return;
uint32_t total_frame = 0;
tvg_animation_get_total_frame(animation, &total_frame);
uint32_t new_frame = lroundf(total_frame * progress);
uint32_t cur_frame = 0;
tvg_animation_get_frame(animation, &cur_frame);
//Update animation frame only when it's changed
if (new_frame == cur_frame) return;
tvg_animation_set_frame(animation, new_frame);
tvg_canvas_update_paint(canvas, tvg_animation_get_picture(animation));
//Draw the canvas
tvg_canvas_draw(canvas);
tvg_canvas_sync(canvas);
//Update Efl Canvas
Eo* img = (Eo*) effect;
evas_object_image_data_update_add(img, 0, 0, WIDTH, HEIGHT);
evas_object_image_pixels_dirty_set(img, EINA_TRUE);
}
/************************************************************************/
/* Main Code */
/************************************************************************/
@ -287,12 +337,17 @@ int main(int argc, char **argv)
evas_object_geometry_set(win, 0, 0, WIDTH, HEIGHT);
evas_object_show(win);
transit = elm_transit_add();
testCapi();
elm_transit_effect_add(transit, transitCb, view, nullptr);
elm_run();
tvg_canvas_destroy(canvas);
free(buffer);
tvg_animation_del(animation);
tvg_engine_term(Tvg_Engine(TVG_ENGINE_SW | TVG_ENGINE_GL));
elm_shutdown();