/* * Copyright (c) 2020 - 2024 the ThorVG project. All rights reserved. * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #include #include #define WIDTH 800 #define HEIGHT 800 /************************************************************************/ /* Capi Test Code */ /************************************************************************/ 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() { canvas = tvg_swcanvas_create(); tvg_swcanvas_set_target(canvas, buffer, WIDTH, WIDTH, HEIGHT, TVG_COLORSPACE_ARGB8888); tvg_swcanvas_set_mempool(canvas, TVG_MEMPOOL_POLICY_DEFAULT); //////1. Linear gradient shape with a linear gradient stroke //Set a shape Tvg_Paint* shape1 = tvg_shape_new(); tvg_shape_move_to(shape1, 25.0f, 25.0f); tvg_shape_line_to(shape1, 375.0f, 25.0f); tvg_shape_cubic_to(shape1, 500.0f, 100.0f, -500.0f, 200.0f, 375.0f, 375.0f); tvg_shape_close(shape1); //Prepare a gradient for the fill Tvg_Gradient* grad1 = tvg_linear_gradient_new(); tvg_linear_gradient_set(grad1, 25.0f, 25.0f, 200.0f, 200.0f); Tvg_Color_Stop color_stops1[4] = { {0.00f, 255, 0, 0, 155}, {0.33f, 0, 255, 0, 100}, {0.66f, 255, 0, 255, 100}, {1.00f, 0, 0, 255, 155} }; tvg_gradient_set_color_stops(grad1, color_stops1, 4); tvg_gradient_set_spread(grad1, TVG_STROKE_FILL_REFLECT); //Prepare a gradient for the stroke Tvg_Gradient* grad1_stroke = tvg_gradient_duplicate(grad1); //Set a gradient fill tvg_shape_set_linear_gradient(shape1, grad1); //Set a gradient stroke tvg_shape_set_stroke_width(shape1, 20.0f); tvg_shape_set_stroke_linear_gradient(shape1, grad1_stroke); tvg_shape_set_stroke_join(shape1, TVG_STROKE_JOIN_ROUND); //////2. Solid transformed shape //Set a shape const Tvg_Path_Command* cmds; uint32_t cmdCnt; const Tvg_Point* pts; uint32_t ptsCnt; Tvg_Paint* shape2 = tvg_shape_new(); tvg_shape_get_path_commands(shape1, &cmds, &cmdCnt); tvg_shape_get_path_coords(shape1, &pts, &ptsCnt); tvg_shape_append_path(shape2, cmds, cmdCnt, pts, ptsCnt); tvg_shape_set_fill_color(shape2, 255, 255, 255, 128); //Transform a shape tvg_paint_scale(shape2, 0.3f); tvg_paint_translate(shape2, 100.0f, 100.0f); //Push shapes 1 and 2 into the canvas tvg_canvas_push(canvas, shape1); tvg_canvas_push(canvas, shape2); //////3. Radial gradient shape with a radial dashed stroke //Set a shape Tvg_Paint* shape3 = tvg_shape_new(); tvg_shape_append_rect(shape3, 550.0f, 20.0f, 100.0f, 50.0f, 0.0f, 0.0f); tvg_shape_append_circle(shape3, 600.0f, 150.0f, 100.0f, 50.0f); tvg_shape_append_rect(shape3, 550.0f, 230.0f, 100.0f, 100.0f, 20.0f, 40.0f); //Prepare a radial gradient for the fill Tvg_Gradient* grad2 = tvg_radial_gradient_new(); tvg_radial_gradient_set(grad2, 600.0f, 180.0f, 50.0f); Tvg_Color_Stop color_stops2[3] = { {0.0f, 255, 0, 255, 255}, {0.5f, 0, 0, 255, 255}, {1.0f, 50, 55, 155, 255} }; tvg_gradient_set_color_stops(grad2, color_stops2, 3); tvg_gradient_set_spread(grad2, TVG_STROKE_FILL_PAD); //Set a gradient fill tvg_shape_set_radial_gradient(shape3, grad2); //Prepaer a radial gradient for the stroke uint32_t cnt; const Tvg_Color_Stop* color_stops2_get; tvg_gradient_get_color_stops(grad2, &color_stops2_get, &cnt); float cx, cy, radius; tvg_radial_gradient_get(grad2, &cx, &cy, &radius); Tvg_Gradient* grad2_stroke = tvg_radial_gradient_new(); tvg_radial_gradient_set(grad2_stroke, cx, cy, radius); tvg_gradient_set_color_stops(grad2_stroke, color_stops2_get, cnt); tvg_gradient_set_spread(grad2_stroke, TVG_STROKE_FILL_REPEAT); //Set a gradient stroke tvg_shape_set_stroke_width(shape3, 30.0f); tvg_shape_set_stroke_radial_gradient(shape3, grad2_stroke); tvg_paint_set_opacity(shape3, 200); //Push the shape into the canvas tvg_canvas_push(canvas, shape3); //////4. Scene //Set a scene Tvg_Paint* scene = tvg_scene_new(); //Set an arc Tvg_Paint* scene_shape1 = tvg_shape_new(); tvg_shape_append_arc(scene_shape1, 175.0f, 600.0f, 150.0f, -45.0f, 90.0f, 1); tvg_shape_append_arc(scene_shape1, 175.0f, 600.0f, 150.0f, 225.0f, -90.0f, 1); tvg_shape_set_fill_color(scene_shape1, 0, 0, 255, 150); //Set an arc with a dashed stroke Tvg_Paint* scene_shape2 = tvg_paint_duplicate(scene_shape1); tvg_shape_set_fill_color(scene_shape2, 75, 25, 155, 200); //Prapare a dash for the stroke float dashPattern[4] = {15.0f, 30.0f, 2.0f, 30.0f}; tvg_shape_set_stroke_dash(scene_shape2, dashPattern, 4, 0.0f); tvg_shape_set_stroke_cap(scene_shape2, TVG_STROKE_CAP_ROUND); tvg_shape_set_stroke_color(scene_shape2, 0, 0, 255, 255); tvg_shape_set_stroke_width(scene_shape2, 15.0f); //Transform a shape tvg_paint_scale(scene_shape2, 0.7f); tvg_paint_rotate(scene_shape2, -90.0f); tvg_paint_translate(scene_shape2, -245.0f, 722.0f); //Push the shapes into the scene tvg_scene_push(scene, scene_shape1); tvg_scene_push(scene, scene_shape2); //Push the scene into the canvas tvg_canvas_push(canvas, scene); //////5. Masked picture //Set a scene Tvg_Paint* pict = tvg_picture_new(); if (tvg_picture_load(pict, EXAMPLE_DIR"/svg/tiger.svg") != TVG_RESULT_SUCCESS) { printf("Problem with loading an svg file\n"); tvg_paint_del(pict); } else { float w, h; tvg_picture_get_size(pict, &w, &h); tvg_picture_set_size(pict, w/2, h/2); Tvg_Matrix m = {0.8f, 0.0f, 400.0f, 0.0f, 0.8f, 400.0f, 0.0f, 0.0f, 1.0f}; tvg_paint_set_transform(pict, &m); // Set a composite shape Tvg_Paint* comp = tvg_shape_new(); tvg_shape_append_circle(comp, 600.0f, 600.0f, 100.0f, 100.0f); tvg_shape_set_fill_color(comp, 0, 0, 0, 200); tvg_paint_set_composite_method(pict, comp, TVG_COMPOSITE_METHOD_INVERSE_ALPHA_MASK); //Push the scene into the canvas tvg_canvas_push(canvas, pict); } //////6. 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"/lottie/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; float total_frame = 0.0f; tvg_animation_get_total_frame(animation, &total_frame); float new_frame = total_frame * progress; float cur_frame = 0.0f; tvg_animation_get_frame(animation, &cur_frame); //Update animation frame only when it's changed if (tvg_animation_set_frame(animation, new_frame) == TVG_RESULT_SUCCESS) { tvg_canvas_update_paint(canvas, tvg_animation_get_picture(animation)); } //Draw the canvas tvg_canvas_clear(canvas, false, true); 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 */ /************************************************************************/ void win_del(void *data, Evas_Object *o, void *ev) { elm_exit(); } void resize_cb(void *data, Evas *e, Evas_Object *obj, void *event_info) { int w = 0, h = 0; evas_object_geometry_get(obj, NULL, NULL, &w, &h); if ((w != WIDTH || h != HEIGHT) && (w != 0 && h != 0)) { evas_object_image_data_set(view, NULL); //prevent evas scale on invalid buffer by rendering thread buffer = (uint32_t*) realloc(buffer, sizeof(uint32_t) * w * h); tvg_swcanvas_set_target(canvas, buffer, w, w, h, TVG_COLORSPACE_ARGB8888); tvg_canvas_update(canvas); tvg_canvas_draw(canvas); tvg_canvas_sync(canvas); evas_object_image_size_set(view, w, h); evas_object_image_data_set(view, buffer); evas_object_image_pixels_dirty_set(view, EINA_TRUE); evas_object_image_data_update_add(view, 0, 0, w, h); } } int main(int argc, char **argv) { elm_init(argc, argv); tvg_engine_init(Tvg_Engine(TVG_ENGINE_SW | TVG_ENGINE_GL), 0); buffer = (uint32_t*)malloc(sizeof(uint32_t) * WIDTH * HEIGHT); Eo* win = elm_win_util_standard_add(NULL, "ThorVG Test"); evas_object_smart_callback_add(win, "delete,request", win_del, 0); evas_object_event_callback_add(win, EVAS_CALLBACK_RESIZE, resize_cb, 0); view = evas_object_image_filled_add(evas_object_evas_get(win)); evas_object_image_size_set(view, WIDTH, HEIGHT); evas_object_image_data_set(view, buffer); evas_object_image_pixels_dirty_set(view, EINA_TRUE); evas_object_image_data_update_add(view, 0, 0, WIDTH, HEIGHT); evas_object_size_hint_weight_set(view, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND); evas_object_show(view); elm_win_resize_object_add(win, view); 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(); elm_transit_del(transit); tvg_canvas_destroy(canvas); free(buffer); tvg_animation_del(animation); tvg_engine_term(Tvg_Engine(TVG_ENGINE_SW | TVG_ENGINE_GL)); elm_shutdown(); return 0; }