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SAEximRunCond expanded to false This commit introduces a new executable, spinner, which supports two types of animations for boot sequences: 1 static PNG and text support. 2 rotates square PNG images per frame 3 shows a sequence of square images from a strip of PNG images. Signed-off-by: LI Qingwu --- README.rst | 39 ++++++ meson.build | 24 ++++ meson_options.txt | 1 + spinner.c | 297 ++++++++++++++++++++++++++++++++++++++++++++++ spinner_conf.c | 72 +++++++++++ spinner_conf.h | 35 ++++++ 6 files changed, 468 insertions(+) create mode 100644 meson_options.txt create mode 100644 spinner.c create mode 100644 spinner_conf.c create mode 100644 spinner_conf.h diff --git a/README.rst b/README.rst index d20eb52..26ceefb 100644 --- a/README.rst +++ b/README.rst @@ -151,3 +151,42 @@ To cross compile the project, use the following commands: meson setup build meson compile -C build + + +Spinner - Splash Screen with Animation +====================================== + +The `spinner` executable is designed to provide boot animations. It supports two types of animations: + +1. **static PNG and text support**: Show a static png image and text. +1. **Square PNG Rotation Animation**: Rotates a square PNG image. +2. **Sequence Move Rectangle Animation**: Displays a sequence of square images from a strip of PNG images. + +spinner Configuration +--------------------- + +The configuration for the `spinner` executable is read from a configuration file, +with a default path of `/usr/share/platsch/spinner.conf`. +The directory of the configuration file can be set via the `platsch_directory` environment variable. + + +spinner Configuration +--------------------- + +Here is a sample of a configuration file (`spinner.conf`): + +.. code-block:: ini + + symbol="/usr/share/platsch/Spinner.png" + fps=20 + # frames=0 means infinite + frames=0 + text="" + text_x=350 + text_y=400 + text_font="Sans" + text_size=30 + +Set text to empty if you don't want to display any text. +Set the symbol to empty if you don't want to display any animation. +The background image is indicated by ``--directory`` and ``--basename``. diff --git a/meson.build b/meson.build index c5fd737..d65acaf 100644 --- a/meson.build +++ b/meson.build @@ -16,3 +16,27 @@ executable('platsch', install: true, include_directories: include_directories('.') ) + +# Create the spinner executable if SPINNER true +if get_option('SPINNER') + spinner_dep = [ + dependency('cairo', required: true), + dependency('libdrm', required: true) + ] + + spinner_src = [ + 'spinner.c', + 'spinner_conf.c' + ] + + args = ['-DSPINNER'] + + executable('spinner', + spinner_src, + dependencies: spinner_dep, + link_with: libplatsch, + c_args: args, + install: true, + include_directories: include_directories('.') + ) +endif diff --git a/meson_options.txt b/meson_options.txt new file mode 100644 index 0000000..d1149fe --- /dev/null +++ b/meson_options.txt @@ -0,0 +1 @@ +option('SPINNER', type: 'boolean', value: false, description: 'Enable spinner build') diff --git a/spinner.c b/spinner.c new file mode 100644 index 0000000..19dbb8e --- /dev/null +++ b/spinner.c @@ -0,0 +1,297 @@ + +#include +#include +#include + +#include "libplatsch.h" +#include "spinner_conf.h" + +typedef struct spinner { + cairo_format_t fmt; + cairo_surface_t *background_surface; + cairo_surface_t *symbol_surface; + cairo_surface_t *drawing_surface; + cairo_t *cr_background; + cairo_t *cr_drawing; + cairo_t *disp_cr; + int background_height; + int background_width; + int display_height; + int display_width; + int symbol_height; + int symbol_width; + struct modeset_dev *dev; + struct spinner *next; +} spinner_t; + +void on_draw_Sequence_animation(cairo_t *cr, spinner_t *data) +{ + static int current_frame; + int num_frames = data->symbol_width / data->symbol_height; + int frame_width = data->symbol_height; + + cairo_set_source_surface(cr, data->background_surface, 0, 0); + cairo_paint(cr); + + cairo_save(cr); + + cairo_translate(cr, data->display_width / 2, data->display_height / 2); + + cairo_set_source_surface(cr, data->symbol_surface, + -frame_width / 2 - current_frame * frame_width, -frame_width / 2); + + cairo_rectangle(cr, -frame_width / 2, -frame_width / 2, frame_width, frame_width); + cairo_clip(cr); + cairo_paint(cr); + + cairo_restore(cr); + + current_frame = (current_frame + 1) % num_frames; +} + +void on_draw_rotation_animation(cairo_t *cr, spinner_t *data) +{ + static float angle = 0.0; + + cairo_set_source_surface(cr, data->background_surface, 0, 0); + cairo_paint(cr); + cairo_save(cr); + cairo_translate(cr, data->background_width / 2, data->background_height / 2); + cairo_rotate(cr, angle); + cairo_translate(cr, -data->symbol_width / 2, -data->symbol_height / 2); + cairo_set_source_surface(cr, data->symbol_surface, 0, 0); + cairo_paint(cr); + cairo_restore(cr); + angle += 0.1; + if (angle > 2 * M_PI) + angle = 0.0; +} + +static uint32_t convert_to_cairo_format(uint32_t format) +{ + switch (format) { + case DRM_FORMAT_RGB565: + return CAIRO_FORMAT_RGB16_565; + case DRM_FORMAT_XRGB8888: + return CAIRO_FORMAT_ARGB32; + } + return CAIRO_FORMAT_INVALID; +} + +static void cairo_draw_text(cairo_t *cr, Config config) +{ + if (strlen(config.text) > 0) { + cairo_select_font_face(cr, config.text_font, CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_set_font_size(cr, (double)config.text_size); + cairo_move_to(cr, config.text_x, config.text_y); + cairo_set_source_rgb(cr, 0, 0, 0); + cairo_show_text(cr, config.text); + } +} + +static int cairo_update_display_surface(struct modeset_dev *dev, spinner_t *spinner_node) +{ + cairo_surface_t *disp_surface = cairo_image_surface_create_for_data( + dev->map, convert_to_cairo_format(dev->format->format), dev->width, dev->height, + dev->stride); + if (cairo_surface_status(disp_surface) != CAIRO_STATUS_SUCCESS) { + fprintf(stderr, "Failed to get cairo surface\n"); + return EXIT_FAILURE; + } + spinner_node->display_width = cairo_image_surface_get_width(disp_surface); + spinner_node->display_height = cairo_image_surface_get_height(disp_surface); + spinner_node->fmt = cairo_image_surface_get_format(disp_surface); + spinner_node->disp_cr = cairo_create(disp_surface); + return EXIT_SUCCESS; +} + +// create a surface and paint background image +static int cairo_create_background_surface(spinner_t *spinner_node, Config config, const char *dir, + const char *base) +{ + char filename[128]; + int ret; + + ret = snprintf(filename, sizeof(filename), "%s/%s.png", dir, base); + if (ret >= sizeof(filename)) { + error("Failed to fit filename into buffer\n"); + return EXIT_FAILURE; + } + + spinner_node->background_surface = cairo_image_surface_create( + spinner_node->fmt, spinner_node->display_width, spinner_node->display_height); + if (cairo_surface_status(spinner_node->background_surface) != CAIRO_STATUS_SUCCESS) { + error("Failed to create background surface\n"); + return EXIT_FAILURE; + } + + cairo_surface_t *bk_img_surface = cairo_image_surface_create_from_png(filename); + + if (cairo_surface_status(bk_img_surface) != CAIRO_STATUS_SUCCESS) { + error("Failed to create cairo surface from %s\n", filename); + return EXIT_FAILURE; + } + + int image_width = cairo_image_surface_get_width(bk_img_surface); + int image_height = cairo_image_surface_get_height(bk_img_surface); + double scale_x = (double)spinner_node->display_width / image_width; + double scale_y = (double)spinner_node->display_height / image_height; + + spinner_node->cr_background = cairo_create(spinner_node->background_surface); + cairo_scale(spinner_node->cr_background, scale_x, scale_y); + cairo_set_source_surface(spinner_node->cr_background, bk_img_surface, 0, 0); + + spinner_node->background_width = + cairo_image_surface_get_width(spinner_node->background_surface); + spinner_node->background_height = + cairo_image_surface_get_height(spinner_node->background_surface); + + cairo_paint(spinner_node->cr_background); + cairo_draw_text(spinner_node->cr_background, config); + return EXIT_SUCCESS; +} + +static int cairo_create_symbol_surface(spinner_t *spinner_node, Config config) +{ + if (strlen(config.symbol) == 0) + return EXIT_FAILURE; + + spinner_node->symbol_surface = cairo_image_surface_create_from_png(config.symbol); + if (cairo_surface_status(spinner_node->symbol_surface) != CAIRO_STATUS_SUCCESS) { + fprintf(stderr, "Failed loading %s\n", config.symbol); + spinner_node->symbol_surface = NULL; + return EXIT_FAILURE; + } + spinner_node->symbol_width = cairo_image_surface_get_width(spinner_node->symbol_surface); + spinner_node->symbol_height = cairo_image_surface_get_height(spinner_node->symbol_surface); + return EXIT_SUCCESS; +} + +int main(int argc, char *argv[]) +{ + bool pid1 = getpid() == 1; + char filename[128]; + Config config = DEFAULT_CONFIG; + const char *base = "splash"; + const char *dir = "/usr/share/platsch"; + const char *env; + int frames; + int ret; + long elapsed_time; + + spinner_t *spinner_list = NULL, *spinner_node = NULL, *spinner_iter = NULL; + struct modeset_dev *iter; + struct timeval start, end; + + env = getenv("platsch_directory"); + if (env) + dir = env; + + env = getenv("platsch_basename"); + if (env) + base = env; + + ret = snprintf(filename, sizeof(filename), "%s/spinner.conf", dir); + if (ret >= sizeof(filename)) { + error("Failed to fit filename\n"); + return EXIT_FAILURE; + } + + parseConfig(filename, &config); + + struct modeset_dev *modeset_list = init(); + + if (!modeset_list) { + fprintf(stderr, "Failed to initialize modeset\n"); + return EXIT_FAILURE; + } + + for (iter = modeset_list; iter; iter = iter->next) { + spinner_node = (spinner_t *)malloc(sizeof(spinner_t)); + if (!spinner_node) { + fprintf(stderr, "Failed to allocate memory for spinner_node\n"); + return EXIT_FAILURE; + } + memset(spinner_node, 0, sizeof(*spinner_node)); + + if (cairo_update_display_surface(iter, spinner_node)) + return EXIT_FAILURE; + + if (cairo_create_background_surface(spinner_node, config, dir, base)) + return EXIT_FAILURE; + + cairo_create_symbol_surface(spinner_node, config); + + spinner_node->drawing_surface = cairo_image_surface_create( + spinner_node->fmt, spinner_node->display_width, spinner_node->display_height); + if (cairo_surface_status(spinner_node->drawing_surface) != CAIRO_STATUS_SUCCESS) { + error("Failed to create drawing surface\n"); + return EXIT_FAILURE; + } + // create cairo context for drawing surface to avoid frlickering + spinner_node->cr_drawing = cairo_create(spinner_node->drawing_surface); + // draw static image with text as first frame + cairo_set_source_surface(spinner_node->disp_cr, spinner_node->background_surface, 0, + 0); + cairo_paint(spinner_node->disp_cr); + update_display(iter); + + spinner_node->next = spinner_list; + spinner_list = spinner_node; + } + + if (pid1) { + char **initsargv; + + ret = fork(); + printf("fork ret=%d\n", ret); + if (ret < 0) + error("failed to fork for init: %m\n"); + else if (ret == 0) + goto drawing; + + initsargv = calloc(sizeof(argv[0]), argc + 1); + + if (!initsargv) { + error("failed to allocate argv for init\n"); + return EXIT_FAILURE; + } + memcpy(initsargv, argv, argc * sizeof(argv[0])); + initsargv[0] = "/sbin/init"; + initsargv[argc] = NULL; + + execv("/sbin/init", initsargv); + + error("failed to exec init: %m\n"); + + return EXIT_FAILURE; + } + +drawing: + frames = config.frames; + while (config.frames == 0 || frames--) { + gettimeofday(&start, NULL); + for (spinner_iter = spinner_list; spinner_iter; spinner_iter = spinner_iter->next) { + if (spinner_node->symbol_surface == NULL) + usleep(1000000 / config.fps); + if (spinner_node->symbol_width / spinner_node->symbol_height > 2) + on_draw_Sequence_animation(spinner_iter->cr_drawing, spinner_iter); + else + on_draw_rotation_animation(spinner_iter->cr_drawing, spinner_iter); + + cairo_set_source_surface(spinner_iter->disp_cr, + spinner_iter->drawing_surface, 0, 0); + cairo_paint(spinner_iter->disp_cr); + } + gettimeofday(&end, NULL); + elapsed_time = + (end.tv_sec - start.tv_sec) * 1000000 + (end.tv_usec - start.tv_usec); + + long sleep_time = (1000000 / config.fps) - elapsed_time; + + if (sleep_time > 0) + usleep(sleep_time); + } + redirect_stdfd(); +} diff --git a/spinner_conf.c b/spinner_conf.c new file mode 100644 index 0000000..ffbc4ff --- /dev/null +++ b/spinner_conf.c @@ -0,0 +1,72 @@ +#include "spinner_conf.h" +#include +#include + +int parseConfig(const char *filename, Config *config) +{ + char *value_end; + char *value_start; + char key[MAX_LINE_LENGTH]; + char line[MAX_LINE_LENGTH]; + char value[MAX_LINE_LENGTH]; + FILE *file; + + file = fopen(filename, "r"); + if (file == NULL) { + fprintf(stderr, "Unable to open file: %s\n", filename); + return -EFAULT; + } + + while (fgets(line, sizeof(line), file)) { + if (strlen(line) > MAX_LINE_LENGTH) { + fprintf(stderr, "conf string too long\n"); + continue; + } + if (line[0] != '#' && sscanf(line, "%[^=]=%[^\n]", key, value) == 2) { + value_start = strchr(line, '=') + 1; + value_end = line + strlen(line) - 1; + + while (isspace(*value_start)) + value_start++; + while (isspace(*value_end) || *value_end == '"') + value_end--; + + if (*value_start == '"') { + value_start++; + if (*value_end == '"') + value_end--; + } + if (value_end < value_start) { + memset(value, 0, sizeof(value)); + continue; + } else { + strncpy(value, value_start, value_end - value_start + 1); + value[value_end - value_start + 1] = '\0'; + value[sizeof(value) - 1] = '\0'; + } + if (strcmp(key, "symbol") == 0) { + strncpy(config->symbol, value, MAX_LINE_LENGTH); + config->symbol[sizeof(config->symbol) - 1] = '\0'; + } else if (strcmp(key, "text") == 0) { + strncpy(config->text, value, MAX_LINE_LENGTH); + config->symbol[sizeof(config->text) - 1] = '\0'; + } else if (strcmp(key, "fps") == 0) { + config->fps = atoi(value); + } else if (strcmp(key, "frames") == 0) { + config->frames = atoi(value); + } else if (strcmp(key, "text_x") == 0) { + config->text_x = atoi(value); + } else if (strcmp(key, "text_y") == 0) { + config->text_y = atoi(value); + } else if (strcmp(key, "text_font") == 0) { + strncpy(config->text_font, value, MAX_LINE_LENGTH); + config->text_font[sizeof(config->text_font) - 1] = '\0'; + } else if (strcmp(key, "text_size") == 0) { + config->text_size = atoi(value); + } + } + } + + fclose(file); + return 0; +} diff --git a/spinner_conf.h b/spinner_conf.h new file mode 100644 index 0000000..a9491c8 --- /dev/null +++ b/spinner_conf.h @@ -0,0 +1,35 @@ +#include +#include +#include +#include + +#ifndef __SPINNER_CONF_H__ +#define __SPINNER_CONF_H__ + + +#define MAX_LINE_LENGTH 128 + +typedef struct { + char symbol[MAX_LINE_LENGTH]; + int fps; + int frames; + int text_x; + int text_y; + char text_font[MAX_LINE_LENGTH]; + int text_size; + char text[MAX_LINE_LENGTH]; +} Config; + +int parseConfig(const char *filename, Config *config); + +#define DEFAULT_CONFIG { \ + .symbol = "", \ + .fps = 20, \ + .frames = 0, \ + .text_x = 0, \ + .text_y = 0, \ + .text_font = "Sans", \ + .text_size = 30, \ + .text = "" \ +} +#endif -- 2.34.1