Tizen Native API
3.0
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ecore_evas_buffer_example_01.c
#ifdef HAVE_CONFIG_H #include "config.h" #else #define EINA_UNUSED #endif #include <Ecore_Evas.h> #include <stdio.h> #define WIDTH (320) #define HEIGHT (240) static Ecore_Evas *ee; /* support function to save scene as PPM image */ static void _scene_save(Evas *canvas, const char *dest) { const unsigned int *pixels, *pixels_end; int width, height; FILE *f; evas_output_size_get(canvas, &width, &height); f = fopen(dest, "wb+"); if (!f) { fprintf(stderr, "ERROR: could not open for writing '%s': %s\n", dest, strerror(errno)); return; } pixels = ecore_evas_buffer_pixels_get(ee); pixels_end = pixels + (width * height); /* PPM P6 format is dead simple to write: */ fprintf(f, "P6\n%d %d\n255\n", width, height); for (; pixels < pixels_end; pixels++) { int r, g, b; r = ((*pixels) & 0xff0000) >> 16; g = ((*pixels) & 0x00ff00) >> 8; b = (*pixels) & 0x0000ff; fprintf(f, "%c%c%c", r, g, b); } fclose(f); printf("Saved scene as '%s'\n", dest); } int main(void) { Evas *canvas; Evas_Object *bg, *r1, *r2, *r3; ecore_evas_init(); ee = ecore_evas_buffer_new(WIDTH, HEIGHT); if (!ee) goto error; canvas = ecore_evas_get(ee); bg = evas_object_rectangle_add(canvas); evas_object_color_set(bg, 255, 255, 255, 255); /* white bg */ evas_object_move(bg, 0, 0); /* at origin */ evas_object_resize(bg, WIDTH, HEIGHT); /* covers full canvas */ evas_object_show(bg); r1 = evas_object_rectangle_add(canvas); evas_object_color_set(r1, 255, 0, 0, 255); /* 100% opaque red */ evas_object_move(r1, 10, 10); evas_object_resize(r1, 100, 100); evas_object_show(r1); r2 = evas_object_rectangle_add(canvas); evas_object_color_set(r2, 0, 128, 0, 128); /* 50% opaque green */ evas_object_move(r2, 10, 10); evas_object_resize(r2, 50, 50); evas_object_show(r2); r3 = evas_object_rectangle_add(canvas); evas_object_color_set(r3, 0, 128, 0, 255); /* 100% opaque dark green */ evas_object_move(r3, 60, 60); evas_object_resize(r3, 50, 50); evas_object_show(r3); ecore_evas_manual_render(ee); _scene_save(canvas, "/tmp/evas-buffer-simple-render.ppm"); ecore_evas_free(ee); ecore_evas_shutdown(); return 0; error: fprintf(stderr, "You got to have at least one Evas engine built" " and linked up to ecore-evas for this example to run" " properly.\n"); ecore_evas_shutdown(); return -1; }