diff options
Diffstat (limited to 'test/plottest.c')
| -rw-r--r-- | test/plottest.c | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/test/plottest.c b/test/plottest.c new file mode 100644 index 0000000..899f3f4 --- /dev/null +++ b/test/plottest.c @@ -0,0 +1,172 @@ +#include <stdio.h> +#include <stdbool.h> +#include <stdlib.h> + +#include "libnsfb.h" +#include "libnsfb_plot.h" + +extern const struct { + unsigned int width; + unsigned int height; + unsigned int bytes_per_pixel; /* 3:RGB, 4:RGBA */ + unsigned char pixel_data[132 * 135 * 4 + 1]; +} nsglobe; + +int main(int argc, char **argv) +{ + nsfb_t *nsfb; + nsfb_bbox_t box; + nsfb_bbox_t box2; + nsfb_bbox_t box3; + uint8_t *fbptr; + int fbstride; + int p[] = { 300,300, 350,350, 400,300, 450,250, 400,200}; + int loop; + + nsfb = nsfb_init(NSFB_FRONTEND_SDL); + if (nsfb == NULL) { + fprintf(stderr, "Unable to initialise nsfb with SDL frontend\n"); + return 1; + } + + if (nsfb_init_frontend(nsfb) == -1) { + fprintf(stderr, "Unable to initialise nsfb frontend\n"); + + } + + /* get the geometry of the whole screen */ + box.x0 = box.y0 = 0; + nsfb_get_geometry(nsfb, &box.x1, &box.y1, NULL); + + nsfb_get_framebuffer(nsfb, &fbptr, &fbstride); + + /* claim the whole screen for update */ + nsfb_claim(nsfb, &box); + + /* first test, repeatedly clear the graphics area, should result in teh + * same operation as a single clear to the final colour + */ + for (loop = 0; loop < 256;loop++) { + nsfb_plot_clg(nsfb, 0xffffff00 | loop); + } + + /* draw radial lines from the origin */ + for (loop = 0; loop < box.x1; loop += 20) { + box2 = box; + box2.x1 = loop; + nsfb_plot_line(nsfb, &box2, 1, 0xff000000, false, false); + } + + /* draw radial lines from the bottom right */ + for (loop = 0; loop < box.x1; loop += 20) { + box2 = box; + box2.x0 = loop; + nsfb_plot_line(nsfb, &box2, 1, 0xffff0000, false, false); + } + + /* draw radial lines from the bottom left */ + for (loop = 0; loop < box.x1; loop += 20) { + box2.x0 = box.x0; + box2.x1 = loop; + box2.y0 = box.y1; + box2.y1 = box.y0; + nsfb_plot_line(nsfb, &box2, 1, 0xff00ff00, false, false); + } + + /* draw radial lines from the top right */ + for (loop = 0; loop < box.x1; loop += 20) { + box2.x0 = box.x1; + box2.x1 = loop; + box2.y0 = box.y0; + box2.y1 = box.y1; + nsfb_plot_line(nsfb, &box2, 1, 0xff0000ff, false, false); + } + + /* draw an unclipped rectangle */ + box2.x0 = box2.y0 = 100; + box2.x1 = box2.y1 = 300; + + nsfb_plot_rectangle_fill(nsfb, &box2, 0xff0000ff); + + nsfb_plot_rectangle(nsfb, &box2, 1, 0xff00ff00, false, false); + + nsfb_plot_polygon(nsfb, p, 5, 0xffff0000); + + nsfb_plot_set_clip(nsfb, &box2); + + box3.x0 = box3.y0 = 200; + box3.x1 = box3.y1 = 400; + + nsfb_plot_rectangle_fill(nsfb, &box3, 0xff00ffff); + + nsfb_plot_rectangle(nsfb, &box3, 1, 0xffffff00, false, false); + + for (loop = 100; loop < 400;loop++) { + nsfb_plot_point(nsfb, loop, 150, 0xffaa1111); + nsfb_plot_point(nsfb, loop, 160, 0x99aa1111); + } + + nsfb_plot_set_clip(nsfb, NULL); + + box3.x0 = box3.y0 = 400; + box3.x1 = box3.y1 = 600; + + nsfb_plot_ellipse_fill(nsfb, &box3, 0xffff0000); + + nsfb_plot_ellipse(nsfb, &box3, 0xff0000ff); + + box3.x0 = 500; + box3.x1 = 700; + box3.y0 = 400; + box3.y1 = 500; + + nsfb_plot_ellipse_fill(nsfb, &box3, 0xffff0000); + + nsfb_plot_ellipse(nsfb, &box3, 0xff0000ff); + + box3.x0 = 600; + box3.x1 = 700; + box3.y0 = 300; + box3.y1 = 500; + + nsfb_plot_ellipse_fill(nsfb, &box3, 0xff0000ff); + + nsfb_plot_ellipse(nsfb, &box3, 0xffff0000); + + nsfb_plot_copy(nsfb,400,400,100,100,600,200); + + box3.x0 = 50; + box3.x1 = 200; + box3.y0 = 300; + box3.y1 = 500; + + nsfb_plot_bitmap(nsfb, &box3, (nsfb_colour_t *)nsglobe.pixel_data, nsglobe.width, nsglobe.height, nsglobe.width, true); + + nsfb_release(nsfb, &box); + + /* random rectangles in clipped area*/ + box2.x0 = 400; + box2.y0 = 50; + box2.x1 = 600; + box2.y1 = 100; + + nsfb_plot_set_clip(nsfb, &box2); + + srand(1234); + + for (loop=0; loop < 10000; loop++) { + nsfb_claim(nsfb, &box2); + box3.x0 = rand() / (RAND_MAX / box.x1); + box3.y0 = rand() / (RAND_MAX / box.y1); + box3.x1 = rand() / (RAND_MAX / 400); + box3.y1 = rand() / (RAND_MAX / 400); + nsfb_plot_rectangle_fill(nsfb, &box3, 0xff000000 | rand()); + nsfb_release(nsfb, &box2); + } + + + while (true ) + nsfb_input(nsfb); + + return 0; +} |