Frox/Vektor
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feat: add rasterization pipeline

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Froxwin
2026-03-04 20:01:06 +05:30
parent faa3f941d0
commit d57b2e2114
9 changed files with 163 additions and 72 deletions
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39
src/main.c
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@@ -1,10 +1,12 @@
#include "gtk/gtk.h"
#include "src/core/primitives.h"
#include "stdio.h"
#include "stdlib.h"
#include "./core/raster.h"
#include "./ui/uicontroller.h"
#include "./ui/vektorcanvas.h"
#include "./util/color.h"
static void on_map(GtkWidget *window, gpointer user_data) {
vektor_uictrl_map((VektorWidgetState *)user_data);
@@ -22,18 +24,31 @@ void write_ppm(const char *path, const VektorFramebuffer *fb) {
static void activate(GtkApplication *app, gpointer user_data) {
VektorFramebuffer fb = vektor_framebuffer_new(400, 400);
EdgeBuffer edges = {0};
VektorPolygon pg = *vektor_polygon_new();
vektor_polygon_add_point(&pg, (V2){50, 50});
vektor_polygon_add_point(&pg, (V2){200, 80});
vektor_polygon_add_point(&pg, (V2){120, 200});
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});
vektor_edgebuffer_flatten_polygon(&edges, &pg);
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});
for (size_t i = 0; i < edges.count; i++) {
vektor_framebuffer_drawline(&fb, edges.edges[i].p1, edges.edges[i].p2, 0, 0, 0);
}
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));
@@ -41,8 +56,8 @@ static void activate(GtkApplication *app, gpointer user_data) {
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_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),
@@ -52,7 +67,7 @@ static void activate(GtkApplication *app, gpointer user_data) {
}
int main(int argc, char **argv) {
//write_ppm("out.ppm", &fb);
// write_ppm("out.ppm", &fb);
GtkApplication *app;
int status;