Frox/Vektor
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feat: pipe frambuffer to canvas

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beriff
2026-03-04 19:21:37 +07:00
parent 28d4d4b6ce
commit faa3f941d0
5 changed files with 50 additions and 32 deletions
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45
src/main.c
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@@ -10,36 +10,18 @@ static void on_map(GtkWidget *window, gpointer user_data) {
vektor_uictrl_map((VektorWidgetState *)user_data);
}
static void activate(GtkApplication *app, gpointer user_data) {
VektorWidgetState *widget_state =
(VektorWidgetState *)malloc(sizeof(VektorWidgetState));
vektor_uictrl_init(app, widget_state);
VektorCanvas *canvas = (VektorCanvas *)malloc(sizeof(VektorCanvas));
vektor_canvas_init(widget_state, canvas);
VektorCanvasColor red = vektor_color_new(255, 0, 0, 255);
vektor_canvas_fill(canvas, &red);
vektor_canvas_update(canvas);
g_signal_connect(widget_state->window, "map", G_CALLBACK(on_map),
widget_state);
gtk_window_present(widget_state->window);
}
void write_ppm(const char *path, const VektorFramebuffer *fb) {
FILE *f = fopen(path, "wb");
if (!f)
abort();
fprintf(f, "P6\n%d %d\n255\n", fb->width, fb->height);
fwrite(fb->pixels, 1, fb->width * fb->height * 3, f);
fwrite(fb->pixels, 1, fb->width * fb->height * 4, f);
fclose(f);
}
int main(int argc, char **argv) {
VektorFramebuffer fb = vektor_framebuffer_new(256, 256);
static void activate(GtkApplication *app, gpointer user_data) {
VektorFramebuffer fb = vektor_framebuffer_new(400, 400);
EdgeBuffer edges = {0};
VektorPolygon pg = *vektor_polygon_new();
@@ -50,10 +32,27 @@ int main(int argc, char **argv) {
vektor_edgebuffer_flatten_polygon(&edges, &pg);
for (size_t i = 0; i < edges.count; i++) {
vektor_framebuffer_drawline(&fb, edges.edges[i].p1, edges.edges[i].p2, 255, 255, 255);
vektor_framebuffer_drawline(&fb, edges.edges[i].p1, edges.edges[i].p2, 0, 0, 0);
}
write_ppm("out.ppm", &fb);
VektorWidgetState *widget_state =
(VektorWidgetState *)malloc(sizeof(VektorWidgetState));
vektor_uictrl_init(app, widget_state);
VektorCanvas *canvas = (VektorCanvas *)malloc(sizeof(VektorCanvas));
vektor_canvas_init(widget_state, canvas);
vektor_canvas_fill(canvas, vektor_color_new(255,0,0,255));
vektor_framebuffer_drawto(&fb, canvas);
vektor_canvas_update(canvas);
g_signal_connect(widget_state->window, "map", G_CALLBACK(on_map),
widget_state);
gtk_window_present(widget_state->window);
}
int main(int argc, char **argv) {
//write_ppm("out.ppm", &fb);
GtkApplication *app;
int status;