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Роман Пытков
2026-02-23 23:01:49 +03:00
parent b896a67fd4
commit bd58286c98
15 changed files with 169 additions and 193 deletions
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19
src/render/CpuRenderEngine.zig
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@@ -27,7 +27,6 @@ pub fn init(allocator: Allocator, render_type: Type) CpuRenderEngine {
}
pub fn exampleReset(self: *CpuRenderEngine) void {
// Сгенерировать случайные цвета градиента
var prng = std.Random.DefaultPrng.init(@intCast(std.time.microTimestamp()));
const random = prng.random();
self.gradient_start = Color.PMA{ .r = random.int(u8), .g = random.int(u8), .b = random.int(u8), .a = 255 };
@@ -64,12 +63,12 @@ fn renderSquares(self: CpuRenderEngine, pixels: []Color.PMA, canvas_size: ImageS
_ = self;
const colors = [_]Color.PMA{
.{ .r = 255, .g = 0, .b = 0, .a = 255 }, // red
.{ .r = 255, .g = 165, .b = 0, .a = 255 }, // orange
.{ .r = 255, .g = 255, .b = 0, .a = 255 }, // yellow
.{ .r = 0, .g = 255, .b = 0, .a = 255 }, // green
.{ .r = 0, .g = 255, .b = 255, .a = 255 }, // cyan
.{ .r = 0, .g = 0, .b = 255, .a = 255 }, // blue
.{ .r = 255, .g = 0, .b = 0, .a = 255 },
.{ .r = 255, .g = 165, .b = 0, .a = 255 },
.{ .r = 255, .g = 255, .b = 0, .a = 255 },
.{ .r = 0, .g = 255, .b = 0, .a = 255 },
.{ .r = 0, .g = 255, .b = 255, .a = 255 },
.{ .r = 0, .g = 0, .b = 255, .a = 255 },
};
const squares_num = 5;
@@ -106,7 +105,6 @@ fn renderSquares(self: CpuRenderEngine, pixels: []Color.PMA, canvas_size: ImageS
const canvas_x = x + visible_rect.x;
if (canvas_x >= canvas_size.w) continue;
// Check vertical line index
var vertical_index: ?u32 = null;
for (0..x_pos.len) |i| {
if (canvas_x >= x_pos[i] and canvas_x < x_pos[i] + thikness) {
@@ -115,7 +113,6 @@ fn renderSquares(self: CpuRenderEngine, pixels: []Color.PMA, canvas_size: ImageS
}
}
// Check horizontal line index
var horizontal_index: ?u32 = null;
for (0..y_pos.len) |i| {
if (canvas_y >= y_pos[i] and canvas_y < y_pos[i] + thikness) {
@@ -129,7 +126,6 @@ fn renderSquares(self: CpuRenderEngine, pixels: []Color.PMA, canvas_size: ImageS
} else if (horizontal_index) |idx| {
pixels[y * visible_rect.w + x] = colors[idx];
} else {
// Find square
var square_x: u32 = 0;
for (0..squares_num) |i| {
if (canvas_x >= x_pos[i] + thikness and canvas_x < x_pos[i + 1]) {
@@ -161,12 +157,9 @@ pub fn example(self: CpuRenderEngine, canvas_size: ImageSize, visible_rect: Imag
const width = visible_rect.w;
const height = visible_rect.h;
// Выделить буфер пиксельных данных
const pixels = try self._allocator.alloc(Color.PMA, @as(usize, width) * height);
defer self._allocator.free(pixels);
// std.debug.print("w={any}, fw={any};\th={any}, fh={any}\n", .{ width, full_w, height, full_h });
switch (self.type) {
.Gradient => self.renderGradient(pixels, width, height, full_w, full_h, visible_rect),
.Squares => self.renderSquares(pixels, canvas_size, visible_rect),