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feat: add rasterization primitives

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This commit is contained in:
Froxwin
2026-03-04 15:41:20 +05:30
parent e7b99ed918
commit 1c3fc0c4bd
18 changed files with 386 additions and 152 deletions
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78
src/ui/vektorcanvas.c
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@@ -1,65 +1,57 @@
#include "gtk/gtk.h"
#include "vektorcanvas.h"
#include "uicontroller.h"
#include "vektorcanvas.h"
#define VKTR_CANVAS_WIDTH 400
#define VKTR_CANVAS_HEIGHT 400
#define VKTR_CANVAS_SIZE (VKTR_CANVAS_WIDTH * VKTR_CANVAS_HEIGHT * 4)
void vektor_canvas_init(VektorWidgetState* state, VektorCanvas* canvasOut) {
canvasOut->canvasWidget = state->workspaceCanvas;
canvasOut->width = VKTR_CANVAS_WIDTH;
canvasOut->height = VKTR_CANVAS_HEIGHT;
canvasOut->canvasPixels = g_malloc0(VKTR_CANVAS_SIZE);
void vektor_canvas_init(VektorWidgetState *state, VektorCanvas *canvasOut) {
canvasOut->canvasWidget = state->workspaceCanvas;
canvasOut->width = VKTR_CANVAS_WIDTH;
canvasOut->height = VKTR_CANVAS_HEIGHT;
canvasOut->canvasPixels = g_malloc0(VKTR_CANVAS_SIZE);
canvasOut->canvasPixelBytes = g_bytes_new(canvasOut->canvasPixels, VKTR_CANVAS_SIZE);
canvasOut->canvasTexture = gdk_memory_texture_new(
VKTR_CANVAS_WIDTH,
VKTR_CANVAS_HEIGHT,
GDK_MEMORY_R8G8B8A8,
canvasOut->canvasPixelBytes,
VKTR_CANVAS_WIDTH * 4
);
canvasOut->canvasPixelBytes =
g_bytes_new(canvasOut->canvasPixels, VKTR_CANVAS_SIZE);
canvasOut->canvasTexture = gdk_memory_texture_new(
VKTR_CANVAS_WIDTH, VKTR_CANVAS_HEIGHT, GDK_MEMORY_R8G8B8A8,
canvasOut->canvasPixelBytes, VKTR_CANVAS_WIDTH * 4);
gtk_picture_set_paintable(canvasOut->canvasWidget, GDK_PAINTABLE(canvasOut->canvasTexture));
gtk_picture_set_paintable(canvasOut->canvasWidget,
GDK_PAINTABLE(canvasOut->canvasTexture));
//g_object_unref(bytes);
// g_object_unref(bytes);
}
void vektor_canvas_update(VektorCanvas* canvas) {
g_bytes_unref(canvas->canvasPixelBytes);
canvas->canvasPixelBytes = g_bytes_new(canvas->canvasPixels, VKTR_CANVAS_SIZE);
void vektor_canvas_update(VektorCanvas *canvas) {
g_bytes_unref(canvas->canvasPixelBytes);
canvas->canvasPixelBytes =
g_bytes_new(canvas->canvasPixels, VKTR_CANVAS_SIZE);
g_object_unref(canvas->canvasTexture);
canvas->canvasTexture = gdk_memory_texture_new(
canvas->width, canvas->height,
GDK_MEMORY_R8G8B8A8,
canvas->canvasPixelBytes,
canvas->width * 4
);
g_object_unref(canvas->canvasTexture);
canvas->canvasTexture =
gdk_memory_texture_new(canvas->width, canvas->height, GDK_MEMORY_R8G8B8A8,
canvas->canvasPixelBytes, canvas->width * 4);
gtk_picture_set_paintable(canvas->canvasWidget, GDK_PAINTABLE(canvas->canvasTexture));
gtk_picture_set_paintable(canvas->canvasWidget,
GDK_PAINTABLE(canvas->canvasTexture));
}
void vektor_canvas_fill(VektorCanvas* canvas, VektorCanvasColor* color) {
for(int x = 0; x < VKTR_CANVAS_WIDTH; x++) {
for(int y = 0; y < VKTR_CANVAS_HEIGHT; y++) {
int i = (y * VKTR_CANVAS_WIDTH + x) * 4;
canvas->canvasPixels[i+0] = color->r;
canvas->canvasPixels[i+1] = color->g;
canvas->canvasPixels[i+2] = color->b;
canvas->canvasPixels[i+3] = color->a;
}
void vektor_canvas_fill(VektorCanvas *canvas, VektorCanvasColor *color) {
for (int x = 0; x < VKTR_CANVAS_WIDTH; x++) {
for (int y = 0; y < VKTR_CANVAS_HEIGHT; y++) {
int i = (y * VKTR_CANVAS_WIDTH + x) * 4;
canvas->canvasPixels[i + 0] = color->r;
canvas->canvasPixels[i + 1] = color->g;
canvas->canvasPixels[i + 2] = color->b;
canvas->canvasPixels[i + 3] = color->a;
}
}
}
VektorCanvasColor vektor_color_new(guchar cr, guchar cg, guchar cb, guchar ca) {
VektorCanvasColor c = {
.r = cr,
.g = cg,
.b = cb,
.a = ca
};
return c;
VektorCanvasColor c = {.r = cr, .g = cg, .b = cb, .a = ca};
return c;
}