62 lines
1.5 KiB
Zig
62 lines
1.5 KiB
Zig
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const std = @import("std");
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const fmt = std.fmt;
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const math = std.math;
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const testing = std.testing;
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const base64 = std.base64.standard.Encoder;
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const zigimg = @import("zigimg");
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const Window = @import("Window.zig");
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const Winsize = @import("Tty.zig").Winsize;
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const log = std.log.scoped(.image);
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const Image = @This();
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const transmit_opener = "\x1b_Gf=32,i={d},s={d},v={d},m={d};";
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pub const Source = union(enum) {
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path: []const u8,
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mem: []const u8,
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};
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pub const Placement = struct {
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img_id: u32,
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z_index: i32,
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scale: bool,
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};
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pub const CellSize = struct {
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rows: usize,
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cols: usize,
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};
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/// unique identifier for this image. This will be managed by the screen.
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id: u32,
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// width in pixels
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width: usize,
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// height in pixels
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height: usize,
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pub fn draw(self: Image, win: Window, scale: bool, z_index: i32) void {
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const p = Placement{
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.img_id = self.id,
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.z_index = z_index,
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.scale = scale,
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};
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win.writeCell(0, 0, .{ .image = p });
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}
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pub fn cellSize(self: Image, winsize: Winsize) !CellSize {
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// cell geometry
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const pix_per_col = try std.math.divCeil(usize, winsize.x_pixel, winsize.cols);
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const pix_per_row = try std.math.divCeil(usize, winsize.y_pixel, winsize.rows);
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const cell_width = std.math.divCeil(usize, self.width, pix_per_col) catch 0;
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const cell_height = std.math.divCeil(usize, self.height, pix_per_row) catch 0;
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return .{
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.rows = cell_height,
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.cols = cell_width,
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};
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}
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