317 lines
7.8 KiB
C
317 lines
7.8 KiB
C
/* libnsfb plotter test program */
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#include <stdio.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include "libnsfb.h"
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#include "libnsfb_plot.h"
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#include "libnsfb_event.h"
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#define UNUSED(x) ((x) = (x))
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const struct {
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unsigned int w;
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unsigned int h;
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unsigned char data[16];
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} Mglyph1 = {
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8, 16, {
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0x00, /* 00000000 */
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0x00, /* 00000000 */
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0xc6, /* 11000110 */
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0xee, /* 11101110 */
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0xfe, /* 11111110 */
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0xfe, /* 11111110 */
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0xd6, /* 11010110 */
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0xc6, /* 11000110 */
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0xc6, /* 11000110 */
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0xc6, /* 11000110 */
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0xc6, /* 11000110 */
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0xc6, /* 11000110 */
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0x00, /* 00000000 */
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0x00, /* 00000000 */
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0x00, /* 00000000 */
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0x00, /* 00000000 */
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}
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};
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const struct {
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unsigned int w;
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unsigned int h;
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unsigned char data[16 * 8];
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} Mglyph8 = {
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8, 16, {
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 00000000 */
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0x44, 0x00, 0x00, 0x00, 0x00, 0x00, 0x44, 0x00, /* 00000000 */
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0xaa, 0xff, 0x00, 0x00, 0x00, 0xff, 0xaa, 0x00, /* 11000110 */
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0xaa, 0xff, 0xff, 0x00, 0xff, 0xff, 0xaa, 0x00, /* 11101110 */
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0xaa, 0xff, 0xff, 0xff, 0xff, 0xff, 0xaa, 0x00, /* 11111110 */
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0xaa, 0xff, 0xff, 0xff, 0xff, 0xff, 0xaa, 0x00, /* 11111110 */
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0xaa, 0xff, 0x00, 0x00, 0x00, 0xff, 0xaa, 0x00, /* 11010110 */
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0xaa, 0xff, 0x00, 0x00, 0x00, 0xff, 0xaa, 0x00, /* 11000110 */
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0xaa, 0xff, 0x00, 0x00, 0x00, 0xff, 0xaa, 0x00, /* 11000110 */
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0xaa, 0xff, 0x00, 0x00, 0x00, 0xff, 0xaa, 0x00, /* 11000110 */
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0xaa, 0xff, 0x00, 0x00, 0x00, 0xff, 0xaa, 0x00, /* 11000110 */
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0xaa, 0xff, 0x00, 0x00, 0x00, 0xff, 0xaa, 0x00, /* 11000110 */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 00000000 */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 00000000 */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 00000000 */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 00000000 */
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}
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};
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static bool
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dump(nsfb_t *nsfb, const char *filename)
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{
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int fd;
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if (filename == NULL)
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return false;
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fd = open(filename, O_RDWR | O_CREAT | O_TRUNC, S_IRWXU);
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if (fd < 0)
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return false;
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nsfb_dump(nsfb, fd);
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close(fd);
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return true;
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}
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int main(int argc, char **argv)
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{
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const char *fename;
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enum nsfb_type_e fetype;
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nsfb_t *nsfb;
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nsfb_event_t event;
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int waitloop = 3;
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nsfb_bbox_t box;
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nsfb_bbox_t box2;
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nsfb_bbox_t box3;
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uint8_t *fbptr;
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int fbstride;
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int p[] = { 300,300, 350,350, 400,300, 450,250, 400,200};
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int loop;
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nsfb_plot_pen_t pen;
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const char *dumpfile = NULL;
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if (argc < 2) {
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fename="sdl";
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} else {
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fename = argv[1];
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if (argc >= 3) {
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dumpfile = argv[2];
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}
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}
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fetype = nsfb_type_from_name(fename);
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if (fetype == NSFB_SURFACE_NONE) {
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fprintf(stderr, "Unable to convert \"%s\" to nsfb surface type\n", fename);
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return 1;
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}
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nsfb = nsfb_new(fetype);
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if (nsfb == NULL) {
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fprintf(stderr, "Unable to allocate \"%s\" nsfb surface\n", fename);
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return 2;
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}
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if (nsfb_init(nsfb) == -1) {
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fprintf(stderr, "Unable to initialise nsfb surface\n");
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nsfb_free(nsfb);
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return 4;
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}
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/* get the geometry of the whole screen */
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box.x0 = box.y0 = 0;
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nsfb_get_geometry(nsfb, &box.x1, &box.y1, NULL);
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nsfb_get_buffer(nsfb, &fbptr, &fbstride);
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/* claim the whole screen for update */
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nsfb_claim(nsfb, &box);
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/* first test, repeatedly clear the graphics area, should result in the
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* same operation as a single clear to the final colour
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*/
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for (loop = 0; loop < 256;loop++) {
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nsfb_plot_clg(nsfb, 0xffffff00 | loop);
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}
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/* draw black radial lines from the origin */
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pen.stroke_colour = 0xff000000;
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for (loop = 0; loop < box.x1; loop += 20) {
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box2 = box;
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box2.x1 = loop;
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nsfb_plot_line(nsfb, &box2, &pen);
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}
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/* draw blue radial lines from the bottom right */
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pen.stroke_colour = 0xffff0000;
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for (loop = 0; loop < box.x1; loop += 20) {
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box2 = box;
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box2.x0 = loop;
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nsfb_plot_line(nsfb, &box2, &pen);
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}
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/* draw green radial lines from the bottom left */
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pen.stroke_colour = 0xff00ff00;
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for (loop = 0; loop < box.x1; loop += 20) {
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box2.x0 = box.x0;
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box2.x1 = loop;
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box2.y0 = box.y1;
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box2.y1 = box.y0;
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nsfb_plot_line(nsfb, &box2, &pen);
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}
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/* draw red radial lines from the top right */
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pen.stroke_colour = 0xff0000ff;
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for (loop = 0; loop < box.x1; loop += 20) {
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box2.x0 = box.x1;
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box2.x1 = loop;
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box2.y0 = box.y0;
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box2.y1 = box.y1;
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nsfb_plot_line(nsfb, &box2, &pen);
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}
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/* draw an unclipped rectangle */
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box2.x0 = box2.y0 = 100;
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box2.x1 = box2.y1 = 300;
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nsfb_plot_rectangle_fill(nsfb, &box2, 0xff0000ff);
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nsfb_plot_rectangle(nsfb, &box2, 1, 0xff00ff00, false, false);
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nsfb_plot_polygon(nsfb, p, 5, 0xffff0000);
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nsfb_plot_set_clip(nsfb, &box2);
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box3.x0 = box3.y0 = 200;
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box3.x1 = box3.y1 = 400;
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nsfb_plot_rectangle_fill(nsfb, &box3, 0xff00ffff);
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nsfb_plot_rectangle(nsfb, &box3, 1, 0xffffff00, false, false);
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for (loop = 100; loop < 400;loop++) {
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nsfb_plot_point(nsfb, loop, 150, 0xffaa1111);
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nsfb_plot_point(nsfb, loop, 160, 0x99aa1111);
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}
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nsfb_plot_set_clip(nsfb, NULL);
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box3.x0 = box3.y0 = 400;
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box3.x1 = box3.y1 = 600;
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nsfb_plot_ellipse_fill(nsfb, &box3, 0xffff0000);
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nsfb_plot_ellipse(nsfb, &box3, 0xff0000ff);
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box3.x0 = 500;
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box3.x1 = 700;
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box3.y0 = 400;
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box3.y1 = 500;
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nsfb_plot_ellipse_fill(nsfb, &box3, 0xffff0000);
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nsfb_plot_ellipse(nsfb, &box3, 0xff0000ff);
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box3.x0 = 600;
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box3.x1 = 700;
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box3.y0 = 300;
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box3.y1 = 500;
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nsfb_plot_ellipse_fill(nsfb, &box3, 0xff0000ff);
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nsfb_plot_ellipse(nsfb, &box3, 0xffff0000);
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box2.x0 = 400;
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box2.y0 = 400;
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box2.x1 = 500;
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box2.y1 = 500;
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box3.x0 = 600;
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box3.y0 = 200;
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box3.x1 = 700;
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box3.y1 = 300;
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nsfb_plot_copy(nsfb, &box2, nsfb, &box3);
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/* test glyph plotting */
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for (loop = 100; loop < 200; loop+= Mglyph1.w) {
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box3.x0 = loop;
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box3.y0 = 20;
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box3.x1 = box3.x0 + Mglyph8.w;
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box3.y1 = box3.y0 + Mglyph8.h;
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nsfb_plot_glyph1(nsfb, &box3, Mglyph1.data, Mglyph1.w, 0xff000000);
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}
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/* test glyph plotting */
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for (loop = 100; loop < 200; loop+= Mglyph8.w) {
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box3.x0 = loop;
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box3.y0 = 50;
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box3.x1 = box3.x0 + Mglyph8.w;
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box3.y1 = box3.y0 + Mglyph8.h;
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nsfb_plot_glyph8(nsfb, &box3, Mglyph8.data, Mglyph8.w, 0xff000000);
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}
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nsfb_update(nsfb, &box);
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/* random rectangles in clipped area*/
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box2.x0 = 400;
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box2.y0 = 50;
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box2.x1 = 600;
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box2.y1 = 100;
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nsfb_plot_set_clip(nsfb, &box2);
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srand(1234);
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for (loop=0; loop < 10000; loop++) {
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nsfb_claim(nsfb, &box2);
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box3.x0 = rand() / (RAND_MAX / box.x1);
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box3.y0 = rand() / (RAND_MAX / box.y1);
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box3.x1 = rand() / (RAND_MAX / 400);
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box3.y1 = rand() / (RAND_MAX / 400);
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nsfb_plot_rectangle_fill(nsfb, &box3, 0xff000000 | rand());
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nsfb_update(nsfb, &box2);
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}
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/* wait for quit event or timeout */
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while (waitloop > 0) {
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if (nsfb_event(nsfb, &event, 1000) == false) {
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break;
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}
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if (event.type == NSFB_EVENT_CONTROL) {
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if (event.value.controlcode == NSFB_CONTROL_TIMEOUT) {
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/* timeout */
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waitloop--;
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} else if (event.value.controlcode == NSFB_CONTROL_QUIT) {
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break;
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}
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}
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}
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dump(nsfb, dumpfile);
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nsfb_free(nsfb);
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return 0;
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}
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/*
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* Local variables:
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* c-basic-offset: 4
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* tab-width: 8
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* End:
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*/
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