Frox/Vektor
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feat: polyline drawing

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beriff
2026-03-05 01:14:10 +07:00
parent dad0f879ef
commit 8ac783e6e0
9 changed files with 127 additions and 47 deletions
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46
src/main.c
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@@ -1,4 +1,5 @@
#include "gtk/gtk.h"
#include "src/application/applicationstate.h"
#include "src/core/primitives.h"
#include "stdio.h"
#include "stdlib.h"
@@ -7,58 +8,21 @@
#include "./ui/uicontroller.h"
#include "./ui/vektorcanvas.h"
#include "./util/color.h"
#include "./application/applicationstate.h"
static void on_map(GtkWidget *window, gpointer user_data) {
vektor_uictrl_map((VektorWidgetState *)user_data);
}
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 * 4, f);
fclose(f);
}
static void activate(GtkApplication *app, gpointer user_data) {
VektorFramebuffer fb = vektor_framebuffer_new(400, 400);
VektorPolygon triangle = *vektor_polygon_new();
vektor_polygon_add_point(&triangle, (V2){50, 150});
vektor_polygon_add_point(&triangle, (V2){200, 180});
vektor_polygon_add_point(&triangle, (V2){120, 300});
VektorPolygon star = *vektor_polygon_new();
vektor_polygon_add_point(&star, (V2){150, 40});
vektor_polygon_add_point(&star, (V2){180, 110});
vektor_polygon_add_point(&star, (V2){260, 110});
vektor_polygon_add_point(&star, (V2){200, 160});
vektor_polygon_add_point(&star, (V2){220, 240});
vektor_polygon_add_point(&star, (V2){150, 190});
vektor_polygon_add_point(&star, (V2){80, 240});
vektor_polygon_add_point(&star, (V2){100, 160});
vektor_polygon_add_point(&star, (V2){40, 110});
vektor_polygon_add_point(&star, (V2){120, 110});
VektorPrimitiveBuffer prims = {0};
vektor_primitivebuffer_add_primitive(
&prims, (VektorPrimitive){.kind = VEKTOR_POLYGON, .polygon = &triangle});
vektor_primitivebuffer_add_primitive(
&prims, (VektorPrimitive){.kind = VEKTOR_POLYGON, .polygon = &star});
rasterize(&fb, &prims);
VektorWidgetState *widget_state =
(VektorWidgetState *)malloc(sizeof(VektorWidgetState));
vektor_uictrl_init(app, widget_state);
VektorAppState* app_state =
(VektorAppState *)malloc(sizeof(VektorAppState));
vektor_appstate_new(widget_state, app_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_canvas_drawfrom(&fb, canvas);
vektor_canvas_update(canvas);
g_signal_connect(widget_state->window, "map", G_CALLBACK(on_map),
widget_state);