Open directories of files
You can pass files / dirs as arguments an they will be opened. The directories will be searched for text files (as identified by libmagic) and those text files will be displayed too.
This commit is contained in:
parent
0da13751d5
commit
32c0b9bb5c
@ -7,6 +7,7 @@ pub fn build(b: *Builder) void {
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exe.setBuildMode(mode);
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exe.setBuildMode(mode);
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exe.linkSystemLibrary("SDL2");
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exe.linkSystemLibrary("SDL2");
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exe.linkSystemLibrary("SDL2_TTF");
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exe.linkSystemLibrary("SDL2_TTF");
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exe.linkSystemLibrary("magic");
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exe.linkSystemLibrary("c");
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exe.linkSystemLibrary("c");
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b.default_step.dependOn(&exe.step);
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b.default_step.dependOn(&exe.step);
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609
src/main.zig
609
src/main.zig
@ -1,280 +1,329 @@
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const std = @import("std");
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const std = @import("std");
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const c = @cImport({
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const c = @cImport({
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@cInclude("SDL.h");
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@cInclude("SDL.h");
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@cInclude("SDL_ttf.h");
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@cInclude("SDL_ttf.h");
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});
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});
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const assert = @import("std").debug.assert;
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const m = @cImport({
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@cInclude("magic.h");
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const DrawnText = struct {
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});
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surface: [*c]c.SDL_Surface,
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texture: ?*c.SDL_Texture,
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const assert = @import("std").debug.assert;
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rect: c.SDL_Rect,
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};
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const DrawnText = struct {
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surface: [*c]c.SDL_Surface,
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const FileDocMap = struct {
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texture: ?*c.SDL_Texture,
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title_text: DrawnText,
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rect: c.SDL_Rect,
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contents: []u8,
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};
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};
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const FileDocMap = struct {
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pub fn main() !void {
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title_text: DrawnText,
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var gpa = std.heap.GeneralPurposeAllocator(.{}){};
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contents: []u8,
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defer {
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};
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if(gpa.deinit()) {
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std.debug.print("Allocator leak\n", .{});
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pub fn main() !void {
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}
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var gpa = std.heap.GeneralPurposeAllocator(.{}){};
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}
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defer {
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if (gpa.deinit()) {
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const allocator = gpa.allocator();
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std.debug.print("Allocator leak\n", .{});
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}
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const window_width = 300;
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}
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const window_height = 500;
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const column_width = 100;
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var magic = m.magic_open(m.MAGIC_MIME | m.MAGIC_CHECK);
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const load_result = m.magic_load(magic, null);
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if (c.SDL_Init(c.SDL_INIT_VIDEO) != 0) {
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if (load_result != 0) {
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c.SDL_Log("Unable to initialize SDL: %s", c.SDL_GetError());
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std.debug.print("Unable to initialize magic: {d}", .{load_result});
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return error.SDLInitializationFailed;
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return error.MagicInitializationFailed;
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}
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}
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defer c.SDL_Quit();
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const allocator = gpa.allocator();
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const screen = c.SDL_CreateWindow("Document Map Viewer", c.SDL_WINDOWPOS_UNDEFINED, c.SDL_WINDOWPOS_UNDEFINED, window_width, window_height, c.SDL_WINDOW_OPENGL) orelse
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{
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const args = try std.process.argsAlloc(allocator);
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c.SDL_Log("Unable to create window: %s", c.SDL_GetError());
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defer std.process.argsFree(allocator, args);
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return error.SDLInitializationFailed;
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};
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const window_width = 700;
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defer c.SDL_DestroyWindow(screen);
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const window_height = 500;
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const column_width = 100;
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const renderer = c.SDL_CreateRenderer(screen, -1, 0) orelse {
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c.SDL_Log("Unable to create renderer: %s", c.SDL_GetError());
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if (c.SDL_Init(c.SDL_INIT_VIDEO) != 0) {
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return error.SDLInitializationFailed;
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c.SDL_Log("Unable to initialize SDL: %s", c.SDL_GetError());
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};
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return error.SDLInitializationFailed;
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defer c.SDL_DestroyRenderer(renderer);
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}
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defer c.SDL_Quit();
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// Turn on anti-aliasing
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// :( doesn't seem to work
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const screen = c.SDL_CreateWindow("Document Map Viewer", c.SDL_WINDOWPOS_UNDEFINED, c.SDL_WINDOWPOS_UNDEFINED, window_width, window_height, c.SDL_WINDOW_OPENGL) orelse
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const aa_result = c.SDL_SetHint(c.SDL_HINT_RENDER_SCALE_QUALITY, "1");
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{
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if (aa_result != c.SDL_TRUE) {
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c.SDL_Log("Unable to create window: %s", c.SDL_GetError());
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c.SDL_Log("Unable to set anti-aliasing: %d", c.SDL_GetError());
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return error.SDLInitializationFailed;
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return error.SDLInitializationFailed;
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};
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}
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defer c.SDL_DestroyWindow(screen);
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// https://github.com/cirosantilli/cpp-cheat/blob/e52ed4b838e2697d8f44ab5bef3e7a170705d48e/sdl/ttf.c
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const renderer = c.SDL_CreateRenderer(screen, -1, 0) orelse {
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const ttf_init_result: c_int = c.TTF_Init();
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c.SDL_Log("Unable to create renderer: %s", c.SDL_GetError());
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if (ttf_init_result != 0) {
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return error.SDLInitializationFailed;
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c.SDL_Log("Unable to init TTF: %d", ttf_init_result);
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};
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return error.TTFInitializationFailed;
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defer c.SDL_DestroyRenderer(renderer);
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}
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defer c.TTF_Quit();
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// Turn on anti-aliasing
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// :( doesn't seem to work
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const text_color: c.SDL_Color = c.SDL_Color {
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const aa_result = c.SDL_SetHint(c.SDL_HINT_RENDER_SCALE_QUALITY, "1");
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.r = 0,
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if (aa_result != c.SDL_TRUE) {
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.g = 0,
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c.SDL_Log("Unable to set anti-aliasing: %d", c.SDL_GetError());
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.b = 0,
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return error.SDLInitializationFailed;
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.a = 255
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}
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};
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// https://github.com/cirosantilli/cpp-cheat/blob/e52ed4b838e2697d8f44ab5bef3e7a170705d48e/sdl/ttf.c
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// TODO: can we embed this file?
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const ttf_init_result: c_int = c.TTF_Init();
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const font: ?*c.TTF_Font = c.TTF_OpenFont("FreeSans.ttf", 12);
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if (ttf_init_result != 0) {
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if (font == null) {
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c.SDL_Log("Unable to init TTF: %d", ttf_init_result);
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const err = c.TTF_GetError();
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return error.TTFInitializationFailed;
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c.SDL_Log("Unable to load font: %s", err);
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}
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return error.TTFFontLoadFailed;
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defer c.TTF_Quit();
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}
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const text_color: c.SDL_Color = c.SDL_Color{ .r = 0, .g = 0, .b = 0, .a = 255 };
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var file_paths = std.ArrayList([]const u8).init(allocator);
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defer file_paths.deinit();
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// TODO: can we embed this file?
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try file_paths.append("src/main.zig");
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const font: ?*c.TTF_Font = c.TTF_OpenFont("FreeSans.ttf", 12);
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try file_paths.append("GapProbeScan.cs");
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if (font == null) {
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const err = c.TTF_GetError();
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var file_docmaps = std.ArrayList(FileDocMap).init(allocator);
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c.SDL_Log("Unable to load font: %s", err);
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defer file_docmaps.deinit();
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return error.TTFFontLoadFailed;
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}
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for (file_paths.items) |path| {
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const surface: [*c]c.SDL_Surface = c.TTF_RenderText_Solid(font, @ptrCast([*c]const u8, path), text_color);
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var file_paths = std.ArrayList([]const u8).init(allocator);
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if (surface == null) {
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defer file_paths.deinit();
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c.SDL_Log("Unable to render text");
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defer {
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return error.RenderTextFailed;
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for (file_paths.items) |item| {
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}
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allocator.free(item);
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}
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const texture: ?*c.SDL_Texture = c.SDL_CreateTextureFromSurface(renderer, surface);
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}
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if (texture == null) {
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c.SDL_Log("Unable to create texture from surface");
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var args_i: usize = 1;
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return error.CreateTextureFailed;
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while (args_i < args.len) : (args_i += 1) {
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}
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const arg = args[args_i];
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if (std.fs.cwd().openIterableDir(arg, .{})) |iter_dir| {
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var rect = c.SDL_Rect {
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std.debug.print("searching dir for files: '{s}'\n", .{arg});
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.x = 0,
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.y = 0,
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var iter = iter_dir.iterate();
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.w = surface.*.w,
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while (try iter.next()) |entry| {
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.h = surface.*.h,
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if (entry.kind == .File) {
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};
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const entry_path = try std.fmt.allocPrint(allocator, "{s}{c}{s}\x00", .{
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arg,
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const file = try std.fs.cwd().openFile(path, .{ });
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std.fs.path.sep,
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defer file.close();
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entry.name,
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});
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const stat = try file.stat();
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const magic_result = m.magic_file(magic, @ptrCast([*c]const u8, entry_path));
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var buffer = try allocator.alloc(u8, stat.size);
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std.debug.print("'{s}': {s}\n", .{ entry.name, magic_result });
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if (std.mem.eql(u8, magic_result[0..5], "text/")) {
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const bytes_read = try file.readAll(buffer);
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try file_paths.append(entry_path[0..(entry_path.len - 1)]);
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if (bytes_read != stat.size) {
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} else {
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std.debug.print("bytes_read: {any}, stat.size: {any}\n", .{
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allocator.free(entry_path);
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bytes_read,
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}
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stat.size,
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}
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});
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}
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return error.FileReadError;
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} else |_| {
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}
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if (std.fs.cwd().openFile(arg, .{})) |file| {
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file.close();
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var docmap = FileDocMap {
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std.debug.print("Will do docmap for: '{s}'\n", .{arg});
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.title_text = DrawnText {
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var path = try allocator.alloc(u8, arg.len);
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.surface = surface,
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std.mem.copy(u8, path, arg);
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.texture = texture,
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try file_paths.append(path);
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.rect = rect,
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} else |_| {
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},
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std.debug.print("Arg not file: '{s}'\n", .{arg});
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.contents = buffer,
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}
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};
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}
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}
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try file_docmaps.append(docmap);
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}
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var file_docmaps = std.ArrayList(FileDocMap).init(allocator);
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defer {
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defer file_docmaps.deinit();
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for (file_docmaps.items) |docmap| {
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c.SDL_FreeSurface(docmap.title_text.surface);
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for (file_paths.items) |path| {
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c.SDL_DestroyTexture(docmap.title_text.texture);
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const surface: [*c]c.SDL_Surface = c.TTF_RenderText_Solid(font, @ptrCast([*c]const u8, path), text_color);
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allocator.free(docmap.contents);
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if (surface == null) {
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}
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c.SDL_Log("Unable to render text");
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}
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return error.RenderTextFailed;
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}
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const color_result: c_int = c.SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
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if (color_result != 0) {
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const texture: ?*c.SDL_Texture = c.SDL_CreateTextureFromSurface(renderer, surface);
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c.SDL_Log("Unable to set draw color: %d", color_result);
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if (texture == null) {
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return error.SDLInitializationFailed;
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c.SDL_Log("Unable to create texture from surface");
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}
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return error.CreateTextureFailed;
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}
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// const surface = c.SDL_GetWindowSurface(screen);
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var rect = c.SDL_Rect{
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var quit = false;
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.x = 0,
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while (!quit) {
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.y = 0,
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var event: c.SDL_Event = undefined;
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.w = surface.*.w,
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while (c.SDL_PollEvent(&event) != 0) {
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.h = surface.*.h,
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switch (event.@"type") {
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};
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c.SDL_QUIT => {
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quit = true;
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std.debug.print("open file: {s}\n", .{path});
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},
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const file = try std.fs.cwd().openFile(path, .{});
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else => {},
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defer file.close();
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}
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}
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const stat = try file.stat();
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var buffer = try allocator.alloc(u8, stat.size);
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const initial_color_result = c.SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
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if (initial_color_result != 0) {
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const bytes_read = try file.readAll(buffer);
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c.SDL_Log("Unable to set draw color: %d", initial_color_result);
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if (bytes_read != stat.size) {
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return error.SDLInitializationFailed;
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std.debug.print("bytes_read: {any}, stat.size: {any}\n", .{
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}
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bytes_read,
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stat.size,
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// Draw white background
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});
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var x: c_int = 0;
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return error.FileReadError;
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while (x < window_width) : (x += 1) {
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}
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var y: c_int = 0;
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while (y < window_height) : (y += 1) {
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var docmap = FileDocMap{
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const draw_result = c.SDL_RenderDrawPoint(renderer, x, y);
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.title_text = DrawnText{
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if (draw_result != 0) {
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.surface = surface,
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c.SDL_Log("Unable to draw point: %d", draw_result);
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.texture = texture,
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return error.SDLDrawingFailed;
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.rect = rect,
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}
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},
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}
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.contents = buffer,
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}
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};
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var i: usize = 0;
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try file_docmaps.append(docmap);
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var column: c_int = 0;
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}
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x = 0;
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defer {
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var y: c_int = 0;
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for (file_docmaps.items) |docmap| {
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c.SDL_FreeSurface(docmap.title_text.surface);
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for (file_docmaps.items) |docmap| {
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c.SDL_DestroyTexture(docmap.title_text.texture);
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i = 0;
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allocator.free(docmap.contents);
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}
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var rect = c.SDL_Rect {
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}
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.x = x,
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.y = y,
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const color_result: c_int = c.SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
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.w = docmap.title_text.surface.*.w,
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if (color_result != 0) {
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.h = docmap.title_text.surface.*.h,
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c.SDL_Log("Unable to set draw color: %d", color_result);
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};
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return error.SDLInitializationFailed;
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}
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// Display text
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if (c.SDL_RenderCopy(renderer, docmap.title_text.texture, null, &rect) != 0) {
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// const surface = c.SDL_GetWindowSurface(screen);
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c.SDL_Log("Unable to render copy");
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}
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var quit = false;
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while (!quit) {
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y += docmap.title_text.rect.h;
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var event: c.SDL_Event = undefined;
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// white: false, black: true
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while (c.SDL_PollEvent(&event) != 0) {
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var color: bool = false;
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switch (event.@"type") {
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while (i < docmap.contents.len) : (i += 1) {
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c.SDL_QUIT => {
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if (docmap.contents[i] == 10) {
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quit = true;
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y += 1;
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},
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if (y > window_height) {
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else => {},
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y = 0;
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}
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column += 1;
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}
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// std.debug.print("Column: {any}, x: {any}\n", .{column, column*column_width});
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}
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const initial_color_result = c.SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
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x = column * column_width;
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if (initial_color_result != 0) {
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c.SDL_Log("Unable to set draw color: %d", initial_color_result);
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continue;
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return error.SDLInitializationFailed;
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}
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}
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if (docmap.contents[i] == 32 and color) {
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// Draw white background
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color = false;
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var x: c_int = 0;
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const white_color_result = c.SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
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while (x < window_width) : (x += 1) {
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if (white_color_result != 0) {
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var y: c_int = 0;
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c.SDL_Log("Unable to set draw color: %d", white_color_result);
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while (y < window_height) : (y += 1) {
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return error.SDLInitializationFailed;
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const draw_result = c.SDL_RenderDrawPoint(renderer, x, y);
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}
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if (draw_result != 0) {
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} else if (docmap.contents[i] != 32 and !color) {
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c.SDL_Log("Unable to draw point: %d", draw_result);
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color = true;
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return error.SDLDrawingFailed;
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const black_color_result = c.SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
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}
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if (black_color_result != 0) {
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}
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c.SDL_Log("Unable to set draw color: %d", black_color_result);
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}
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return error.SDLInitializationFailed;
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}
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var i: usize = 0;
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}
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var column: c_int = 0;
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x = 0;
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if (x < (column + 1) * column_width) {
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var y: c_int = 0;
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const draw_result = c.SDL_RenderDrawPoint(renderer, x, y);
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if (draw_result != 0) {
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for (file_docmaps.items) |docmap| {
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c.SDL_Log("Unable to draw point: %d", draw_result);
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i = 0;
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return error.SDLDrawingFailed;
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}
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var rect = c.SDL_Rect{
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} else {
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.x = x,
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const red_color_result = c.SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255);
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.y = y,
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if (red_color_result != 0) {
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.w = docmap.title_text.surface.*.w,
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c.SDL_Log("Unable to set draw color: %d", red_color_result);
|
.h = docmap.title_text.surface.*.h,
|
||||||
return error.SDLInitializationFailed;
|
};
|
||||||
}
|
|
||||||
|
// Display text
|
||||||
const draw_result = c.SDL_RenderDrawPoint(renderer, (column + 1) * column_width - 1, y);
|
if (c.SDL_RenderCopy(renderer, docmap.title_text.texture, null, &rect) != 0) {
|
||||||
if (draw_result != 0) {
|
c.SDL_Log("Unable to render copy");
|
||||||
c.SDL_Log("Unable to draw point: %d", draw_result);
|
}
|
||||||
return error.SDLDrawingFailed;
|
|
||||||
}
|
y += docmap.title_text.rect.h;
|
||||||
|
// white: false, black: true
|
||||||
if (!color) {
|
var color: bool = false;
|
||||||
const white_color_result = c.SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
|
while (i < docmap.contents.len) : (i += 1) {
|
||||||
if (white_color_result != 0) {
|
if (docmap.contents[i] == 10) {
|
||||||
c.SDL_Log("Unable to set draw color: %d", white_color_result);
|
y += 1;
|
||||||
return error.SDLInitializationFailed;
|
if (y > window_height) {
|
||||||
}
|
y = 0;
|
||||||
} else {
|
column += 1;
|
||||||
const black_color_result = c.SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
|
// std.debug.print("Column: {any}, x: {any}\n", .{column, column*column_width});
|
||||||
if (black_color_result != 0) {
|
}
|
||||||
c.SDL_Log("Unable to set draw color: %d", black_color_result);
|
x = column * column_width;
|
||||||
return error.SDLInitializationFailed;
|
|
||||||
}
|
continue;
|
||||||
}
|
}
|
||||||
}
|
|
||||||
|
if (docmap.contents[i] == 32 and color) {
|
||||||
x += 1;
|
color = false;
|
||||||
}
|
const white_color_result = c.SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
|
||||||
}
|
if (white_color_result != 0) {
|
||||||
|
c.SDL_Log("Unable to set draw color: %d", white_color_result);
|
||||||
c.SDL_RenderPresent(renderer);
|
return error.SDLInitializationFailed;
|
||||||
|
}
|
||||||
c.SDL_Delay(17);
|
} else if (docmap.contents[i] != 32 and !color) {
|
||||||
}
|
color = true;
|
||||||
}
|
const black_color_result = c.SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
|
||||||
|
if (black_color_result != 0) {
|
||||||
|
c.SDL_Log("Unable to set draw color: %d", black_color_result);
|
||||||
|
return error.SDLInitializationFailed;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (x < (column + 1) * column_width) {
|
||||||
|
const draw_result = c.SDL_RenderDrawPoint(renderer, x, y);
|
||||||
|
if (draw_result != 0) {
|
||||||
|
c.SDL_Log("Unable to draw point: %d", draw_result);
|
||||||
|
return error.SDLDrawingFailed;
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
const red_color_result = c.SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255);
|
||||||
|
if (red_color_result != 0) {
|
||||||
|
c.SDL_Log("Unable to set draw color: %d", red_color_result);
|
||||||
|
return error.SDLInitializationFailed;
|
||||||
|
}
|
||||||
|
|
||||||
|
const draw_result = c.SDL_RenderDrawPoint(renderer, (column + 1) * column_width - 1, y);
|
||||||
|
if (draw_result != 0) {
|
||||||
|
c.SDL_Log("Unable to draw point: %d", draw_result);
|
||||||
|
return error.SDLDrawingFailed;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!color) {
|
||||||
|
const white_color_result = c.SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
|
||||||
|
if (white_color_result != 0) {
|
||||||
|
c.SDL_Log("Unable to set draw color: %d", white_color_result);
|
||||||
|
return error.SDLInitializationFailed;
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
const black_color_result = c.SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
|
||||||
|
if (black_color_result != 0) {
|
||||||
|
c.SDL_Log("Unable to set draw color: %d", black_color_result);
|
||||||
|
return error.SDLInitializationFailed;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
x += 1;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
c.SDL_RenderPresent(renderer);
|
||||||
|
|
||||||
|
c.SDL_Delay(17);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user