Add docmap struct
We want to have an array of docmaps, one for each file and be able to iterate through them. That way the layout can be done in a single function.
This commit is contained in:
parent
d3e47ee184
commit
aade06e600
474
src/main.zig
474
src/main.zig
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@ -1,204 +1,270 @@
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const std = @import("std");
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const c = @cImport({
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@cInclude("SDL.h");
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@cInclude("SDL_ttf.h");
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});
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const assert = @import("std").debug.assert;
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pub fn main() !void {
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const window_width = 300;
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const window_height = 500;
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const column_width = 100;
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if (c.SDL_Init(c.SDL_INIT_VIDEO) != 0) {
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c.SDL_Log("Unable to initialize SDL: %s", c.SDL_GetError());
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return error.SDLInitializationFailed;
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}
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defer c.SDL_Quit();
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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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c.SDL_Log("Unable to create window: %s", c.SDL_GetError());
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return error.SDLInitializationFailed;
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};
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defer c.SDL_DestroyWindow(screen);
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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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return error.SDLInitializationFailed;
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};
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defer c.SDL_DestroyRenderer(renderer);
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const source_code = @embedFile("GapProbeScan.cs");
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const file_name = "GapProbeScan.cs";
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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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c.SDL_Log("Unable to set draw color: %d", color_result);
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return error.SDLInitializationFailed;
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}
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// https://github.com/cirosantilli/cpp-cheat/blob/e52ed4b838e2697d8f44ab5bef3e7a170705d48e/sdl/ttf.c
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const ttf_init_result: c_int = c.TTF_Init();
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if (ttf_init_result != 0) {
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c.SDL_Log("Unable to init TTF: %d", ttf_init_result);
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return error.TTFInitializationFailed;
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}
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defer c.TTF_Quit();
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const text_color: c.SDL_Color = c.SDL_Color {
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.r = 0,
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.g = 0,
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.b = 0,
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.a = 255
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};
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// TODO: can we embed this file?
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const font: ?*c.TTF_Font = c.TTF_OpenFont("FreeSans.ttf", 24);
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if (font == null) {
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const err = c.TTF_GetError();
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c.SDL_Log("Unable to load font: %s", err);
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return error.TTFFontLoadFailed;
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}
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const surface: [*c]c.SDL_Surface = c.TTF_RenderText_Solid(font, file_name, text_color);
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if (surface == null) {
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c.SDL_Log("Unable to render text");
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return error.RenderTextFailed;
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}
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defer c.SDL_FreeSurface(surface);
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const texture: ?*c.SDL_Texture = c.SDL_CreateTextureFromSurface(renderer, surface);
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if (texture == null) {
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c.SDL_Log("Unable to create texture from surface");
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return error.CreateTextureFailed;
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}
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defer c.SDL_DestroyTexture(texture);
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const rect = c.SDL_Rect {
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.x = 0,
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.y = 0,
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.w = surface.*.w,
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.h = surface.*.h,
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};
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// const surface = c.SDL_GetWindowSurface(screen);
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var quit = false;
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while (!quit) {
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var event: c.SDL_Event = undefined;
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while (c.SDL_PollEvent(&event) != 0) {
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switch (event.@"type") {
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c.SDL_QUIT => {
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quit = true;
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},
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else => {},
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}
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}
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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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c.SDL_Log("Unable to set draw color: %d", initial_color_result);
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return error.SDLInitializationFailed;
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}
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var x: c_int = 0;
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while (x < window_width) : (x += 1) {
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var y: c_int = 0;
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while (y < window_height) : (y += 1) {
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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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c.SDL_Log("Unable to draw point: %d", draw_result);
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return error.SDLDrawingFailed;
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}
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}
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}
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var i: usize = 0;
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var column: c_int = 0;
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x = 0;
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var y: c_int = surface.*.h;
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// white: false, black: true
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var color: bool = false;
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while (i < source_code.len) : (i += 1) {
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if (source_code[i] == 10) {
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y += 1;
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if (y > window_height) {
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y = 0;
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column += 1;
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// std.debug.print("Column: {any}, x: {any}\n", .{column, column*column_width});
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}
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x = column * column_width;
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continue;
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}
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if (source_code[i] == 32 and color) {
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color = false;
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const white_color_result = c.SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
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if (white_color_result != 0) {
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c.SDL_Log("Unable to set draw color: %d", white_color_result);
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return error.SDLInitializationFailed;
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}
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} else if (source_code[i] != 32 and !color) {
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color = true;
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const black_color_result = c.SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
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if (black_color_result != 0) {
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c.SDL_Log("Unable to set draw color: %d", black_color_result);
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return error.SDLInitializationFailed;
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}
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}
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if (x < (column + 1) * column_width) {
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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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c.SDL_Log("Unable to draw point: %d", draw_result);
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return error.SDLDrawingFailed;
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}
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} else {
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const red_color_result = c.SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255);
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if (red_color_result != 0) {
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c.SDL_Log("Unable to set draw color: %d", red_color_result);
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return error.SDLInitializationFailed;
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}
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const draw_result = c.SDL_RenderDrawPoint(renderer, (column + 1) * column_width - 1, y);
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if (draw_result != 0) {
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c.SDL_Log("Unable to draw point: %d", draw_result);
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return error.SDLDrawingFailed;
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}
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if (!color) {
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const white_color_result = c.SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
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if (white_color_result != 0) {
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c.SDL_Log("Unable to set draw color: %d", white_color_result);
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return error.SDLInitializationFailed;
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}
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} else {
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const black_color_result = c.SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
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if (black_color_result != 0) {
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c.SDL_Log("Unable to set draw color: %d", black_color_result);
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return error.SDLInitializationFailed;
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}
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}
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}
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x += 1;
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}
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// Display text
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if (c.SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255) != 0) {
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c.SDL_Log("Unable to set draw color");
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}
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if (c.SDL_RenderCopy(renderer, texture, null, &rect) != 0) {
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c.SDL_Log("Unable to render copy");
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}
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c.SDL_RenderPresent(renderer);
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c.SDL_Delay(17);
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}
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}
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const std = @import("std");
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const c = @cImport({
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@cInclude("SDL.h");
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@cInclude("SDL_ttf.h");
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});
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const assert = @import("std").debug.assert;
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const DrawnText = struct {
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surface: [*c]c.SDL_Surface,
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texture: ?*c.SDL_Texture,
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rect: c.SDL_Rect,
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};
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const FileDocMap = struct {
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title_text: DrawnText,
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contents: []u8,
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};
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pub fn main() !void {
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var gpa = std.heap.GeneralPurposeAllocator(.{}){};
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defer {
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if(gpa.deinit()) {
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std.debug.print("Allocator leak\n", .{});
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}
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}
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const allocator = gpa.allocator();
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const window_width = 300;
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const window_height = 500;
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const column_width = 100;
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if (c.SDL_Init(c.SDL_INIT_VIDEO) != 0) {
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c.SDL_Log("Unable to initialize SDL: %s", c.SDL_GetError());
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return error.SDLInitializationFailed;
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}
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defer c.SDL_Quit();
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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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c.SDL_Log("Unable to create window: %s", c.SDL_GetError());
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return error.SDLInitializationFailed;
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};
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defer c.SDL_DestroyWindow(screen);
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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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return error.SDLInitializationFailed;
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};
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defer c.SDL_DestroyRenderer(renderer);
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// Turn on anti-aliasing
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// :( doesn't seem to work
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const aa_result = c.SDL_SetHint(c.SDL_HINT_RENDER_SCALE_QUALITY, "1");
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if (aa_result != c.SDL_TRUE) {
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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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}
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// https://github.com/cirosantilli/cpp-cheat/blob/e52ed4b838e2697d8f44ab5bef3e7a170705d48e/sdl/ttf.c
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const ttf_init_result: c_int = c.TTF_Init();
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if (ttf_init_result != 0) {
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c.SDL_Log("Unable to init TTF: %d", ttf_init_result);
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return error.TTFInitializationFailed;
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}
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defer c.TTF_Quit();
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const text_color: c.SDL_Color = c.SDL_Color {
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.r = 0,
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.g = 0,
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.b = 0,
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.a = 255
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};
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// TODO: can we embed this file?
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const font: ?*c.TTF_Font = c.TTF_OpenFont("FreeSans.ttf", 12);
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if (font == null) {
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const err = c.TTF_GetError();
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c.SDL_Log("Unable to load font: %s", err);
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return error.TTFFontLoadFailed;
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}
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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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try file_paths.append("GapProbeScan.cs");
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try file_paths.append("src/main.zig");
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// const file_name = "GapProbeScan.cs";
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// const source_code = @embedFile(file_name);
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var file_docmaps = std.ArrayList(FileDocMap).init(allocator);
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defer file_docmaps.deinit();
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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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if (surface == null) {
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c.SDL_Log("Unable to render text");
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return error.RenderTextFailed;
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}
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const texture: ?*c.SDL_Texture = c.SDL_CreateTextureFromSurface(renderer, surface);
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if (texture == null) {
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c.SDL_Log("Unable to create texture from surface");
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return error.CreateTextureFailed;
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}
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var rect = c.SDL_Rect {
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.x = 0,
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.y = 0,
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.w = surface.*.w,
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.h = surface.*.h,
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};
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const file = try std.fs.cwd().openFile(path, .{ });
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defer file.close();
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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 bytes_read = try file.readAll(buffer);
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if (bytes_read != stat.size) {
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std.debug.print("bytes_read: {any}, stat.size: {any}\n", .{
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bytes_read,
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stat.size,
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});
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return error.FileReadError;
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}
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var docmap = FileDocMap {
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.title_text = DrawnText {
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.surface = surface,
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.texture = texture,
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.rect = rect,
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},
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.contents = buffer,
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};
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try file_docmaps.append(docmap);
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}
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defer {
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for (file_docmaps.items) |docmap| {
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c.SDL_FreeSurface(docmap.title_text.surface);
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c.SDL_DestroyTexture(docmap.title_text.texture);
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allocator.free(docmap.contents);
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}
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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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c.SDL_Log("Unable to set draw color: %d", color_result);
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return error.SDLInitializationFailed;
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}
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// const surface = c.SDL_GetWindowSurface(screen);
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var quit = false;
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while (!quit) {
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var event: c.SDL_Event = undefined;
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while (c.SDL_PollEvent(&event) != 0) {
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switch (event.@"type") {
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c.SDL_QUIT => {
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quit = true;
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},
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else => {},
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}
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}
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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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c.SDL_Log("Unable to set draw color: %d", initial_color_result);
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return error.SDLInitializationFailed;
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}
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var x: c_int = 0;
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while (x < window_width) : (x += 1) {
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var y: c_int = 0;
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while (y < window_height) : (y += 1) {
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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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c.SDL_Log("Unable to draw point: %d", draw_result);
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return error.SDLDrawingFailed;
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}
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}
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}
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var i: usize = 0;
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var column: c_int = 0;
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x = 0;
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var y: c_int = file_docmaps.items[0].title_text.rect.h;
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// white: false, black: true
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var color: bool = false;
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while (i < file_docmaps.items[0].contents.len) : (i += 1) {
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if (file_docmaps.items[0].contents[i] == 10) {
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y += 1;
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if (y > window_height) {
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y = 0;
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column += 1;
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// std.debug.print("Column: {any}, x: {any}\n", .{column, column*column_width});
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}
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x = column * column_width;
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continue;
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}
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if (file_docmaps.items[0].contents[i] == 32 and color) {
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color = false;
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const white_color_result = c.SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
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if (white_color_result != 0) {
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c.SDL_Log("Unable to set draw color: %d", white_color_result);
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return error.SDLInitializationFailed;
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}
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} else if (file_docmaps.items[0].contents[i] != 32 and !color) {
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color = true;
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const black_color_result = c.SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
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if (black_color_result != 0) {
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c.SDL_Log("Unable to set draw color: %d", black_color_result);
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return error.SDLInitializationFailed;
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}
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}
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if (x < (column + 1) * column_width) {
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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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c.SDL_Log("Unable to draw point: %d", draw_result);
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return error.SDLDrawingFailed;
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}
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} else {
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const red_color_result = c.SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255);
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if (red_color_result != 0) {
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c.SDL_Log("Unable to set draw color: %d", red_color_result);
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return error.SDLInitializationFailed;
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}
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const draw_result = c.SDL_RenderDrawPoint(renderer, (column + 1) * column_width - 1, y);
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if (draw_result != 0) {
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c.SDL_Log("Unable to draw point: %d", draw_result);
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return error.SDLDrawingFailed;
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}
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if (!color) {
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const white_color_result = c.SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
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if (white_color_result != 0) {
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c.SDL_Log("Unable to set draw color: %d", white_color_result);
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return error.SDLInitializationFailed;
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}
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} else {
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const black_color_result = c.SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
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if (black_color_result != 0) {
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c.SDL_Log("Unable to set draw color: %d", black_color_result);
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return error.SDLInitializationFailed;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
x += 1;
|
||||
}
|
||||
|
||||
const text = file_docmaps.items[0].title_text;
|
||||
|
||||
// Display text
|
||||
if (c.SDL_RenderCopy(renderer, text.texture, null, &(text.rect)) != 0) {
|
||||
c.SDL_Log("Unable to render copy");
|
||||
}
|
||||
|
||||
c.SDL_RenderPresent(renderer);
|
||||
|
||||
c.SDL_Delay(17);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user