forked from KolibriOS/kolibrios
176 lines
3.3 KiB
C
176 lines
3.3 KiB
C
/* libnsfb plotetr 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 "libnsfb.h"
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#include "libnsfb_plot.h"
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#include "libnsfb_event.h"
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#include "surface.h"
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//#include "../src/surface/sdl.c"
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#define UNUSED(x) ((x) = (x))
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#include <menuet/os.h>
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int main(int argc, char **argv)
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{
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extern nsfb_surface_rtns_t sdl_rtns;
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_nsfb_register_surface(NSFB_SURFACE_SDL, &sdl_rtns, "sdl");
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__menuet__debug_out("Starting bezier\n");
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freopen("stderr","w",stderr);
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freopen("stdout","w",stdout);
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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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uint8_t *fbptr;
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int fbstride;
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nsfb_point_t ctrla;
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nsfb_point_t ctrlb;
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int loop;
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nsfb_plot_pen_t pen;
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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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}
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fetype = nsfb_type_from_name(fename);
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if (fetype == NSFB_SURFACE_NONE) {
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__menuet__debug_out("Can't convert\n");
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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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__menuet__debug_out("Can't allocate\n");
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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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__menuet__debug_out("Init failed\n");
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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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nsfb_plot_clg(nsfb, 0xffffffff);
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box2.x0=100;
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box2.y0=100;
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box2.x1=400;
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box2.y1=400;
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pen.stroke_colour = 0xff000000;
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pen.fill_colour = 0xffff0000;
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pen.stroke_type = NFSB_PLOT_OPTYPE_SOLID;
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pen.fill_type = NFSB_PLOT_OPTYPE_NONE;
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for (loop=-300;loop < 600;loop+=100) {
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ctrla.x = 100;
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ctrla.y = loop;
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ctrlb.x = 400;
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ctrlb.y = 500 - loop;
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nsfb_plot_cubic_bezier(nsfb, &box2, &ctrla, &ctrlb, &pen);
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}
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box2.x0=400;
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box2.y0=100;
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box2.x1=600;
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box2.y1=400;
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nsfb_plot_line(nsfb, &box2, &pen);
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box2.x0=800;
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box2.y0=100;
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box2.x1=600;
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box2.y1=400;
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nsfb_plot_line(nsfb, &box2, &pen);
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box2.x0=400;
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box2.y0=100;
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box2.x1=800;
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box2.y1=100;
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ctrla.x = 600;
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ctrla.y = 400;
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pen.stroke_colour = 0xffff0000;
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nsfb_plot_cubic_bezier(nsfb, &box2, &ctrla, &ctrla, &pen);
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box2.x0=400;
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box2.y0=100;
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box2.x1=800;
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box2.y1=100;
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ctrla.x = 600;
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ctrla.y = 400;
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pen.stroke_colour = 0xff0000ff;
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nsfb_plot_quadratic_bezier(nsfb, &box2, &ctrla, &pen);
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nsfb_update(nsfb, &box);
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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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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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