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annotate infinite_canvas/main.c @ 279:b3b547563ec7

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Add Google connector service and agent wiki Implement the C/Seobeo Google Drive and Gmail connector with encrypted OAuth storage, Zenbu authentication, browser testing, AI tool discovery, chunked HTTP decoding, and Bazel coverage. Consolidate repository guidance into progressive wiki documentation and enforce arena-first allocation for new first-party C code. Co-authored-by: Copilot <[email protected]> Copilot-Session: 84c338fd-0939-4bb3-b7f3-1062eb213e5d
author MrJuneJune <me@mrjunejune.com>
date Mon, 17 Aug 2026 22:22:36 -0700
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children 49e9e591c9bb
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1 #include "infinite_canvas/canvas.h"
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2 #include "infinite_canvas/web_surface.h"
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3
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4 #if defined(INFINITE_CANVAS_DEV_UI)
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5 #include "infinite_canvas/dev_ui.h"
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6 #endif
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7
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8 #if defined(PLATFORM_WEB)
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9 #include <emscripten/emscripten.h>
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10 #endif
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11
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12 #include <stdio.h>
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13 #include <stdlib.h>
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14 #include <string.h>
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15
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16 typedef struct {
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17 Dowa_Arena *p_arena;
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18 Canvas_Camera camera;
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19 Canvas_Scene scene;
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20 Canvas_Web_Surface web_surface;
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21 Font font;
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22 Canvas_Theme theme;
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23 boolean owns_font;
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24 const char *p_screenshot_path;
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25 uint32 frame_count;
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26 #if defined(INFINITE_CANVAS_DEV_UI)
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27 Canvas_Dev_UI dev_ui;
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28 #endif
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29 } Canvas_App;
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30
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31 static Canvas_App *g_app = NULL;
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32
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33 static void Canvas_App_Draw_Frame(void)
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34 {
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35 int32 width = GetScreenWidth();
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36 int32 height = GetScreenHeight();
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37 Canvas_Camera_Set_Viewport(&g_app->camera, width, height);
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38
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39 boolean block_pointer_input = FALSE;
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40 #if defined(INFINITE_CANVAS_DEV_UI)
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41 block_pointer_input = Canvas_Dev_UI_Contains_Pointer(&g_app->dev_ui);
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42 #endif
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43 Canvas_Web_Surface_Set_Dark_Mode(
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44 &g_app->web_surface,
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45 g_app->theme.resolved_mode == CANVAS_THEME_DARK ? TRUE : FALSE);
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46 Canvas_Web_Chrome_Action chrome_action = CANVAS_WEB_CHROME_NONE;
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47 if (!block_pointer_input) {
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48 const char *p_current_url = NULL;
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49 if (g_app->scene.selected_index >= 0 &&
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50 g_app->scene.selected_index <
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51 (int32)Dowa_Array_Length(g_app->scene.p_entities)) {
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52 const Canvas_Entity *p_selected =
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53 &g_app->scene.p_entities[g_app->scene.selected_index];
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54 p_current_url = Canvas_Web_Surface_URL(
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55 &g_app->web_surface,
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56 p_selected->id);
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57 }
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58 chrome_action = Canvas_Web_Chrome_Update_Input(
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59 &g_app->camera,
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60 &g_app->scene,
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61 g_app->font,
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62 p_current_url);
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63 }
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64 if (chrome_action == CANVAS_WEB_CHROME_BACK ||
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65 chrome_action == CANVAS_WEB_CHROME_FORWARD) {
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66 const Canvas_Entity *p_selected =
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67 &g_app->scene.p_entities[g_app->scene.selected_index];
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68 if (chrome_action == CANVAS_WEB_CHROME_BACK) {
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69 Canvas_Web_Surface_Go_Back(
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70 &g_app->web_surface,
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71 p_selected->id);
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72 } else {
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73 Canvas_Web_Surface_Go_Forward(
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74 &g_app->web_surface,
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75 p_selected->id);
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76 }
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77 }
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78 boolean web_input = FALSE;
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79 if (!block_pointer_input && chrome_action == CANVAS_WEB_CHROME_NONE) {
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80 web_input = Canvas_Web_Surface_Update_Input(
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81 &g_app->web_surface,
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82 &g_app->camera,
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83 &g_app->scene);
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84 }
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85 block_pointer_input =
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86 block_pointer_input ||
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87 chrome_action != CANVAS_WEB_CHROME_NONE ||
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88 web_input;
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89 boolean entity_input = Canvas_Scene_Update_Interaction(
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90 &g_app->scene,
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91 &g_app->camera,
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92 g_app->font,
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93 block_pointer_input);
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94 boolean keyboard_focus =
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95 Canvas_Scene_Is_Text_Editing(&g_app->scene) ||
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96 Canvas_Web_Chrome_Is_Editing(&g_app->scene) ||
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97 Canvas_Web_Surface_Is_Focused(&g_app->web_surface);
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98 if (!keyboard_focus && IsKeyPressed(KEY_P)) {
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99 Canvas_Scene_Toggle_Selected_Pin(&g_app->scene, &g_app->camera);
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100 }
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101 if (!keyboard_focus &&
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102 (IsKeyPressed(KEY_DELETE) || IsKeyPressed(KEY_BACKSPACE))) {
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103 Canvas_Scene_Fade_Out_Selected(&g_app->scene);
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104 }
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105 Canvas_Update_Camera_Input(
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106 &g_app->camera,
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107 block_pointer_input || entity_input,
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108 keyboard_focus);
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109 Canvas_Scene_Sync_Pinned(&g_app->scene, &g_app->camera);
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110 Canvas_Scene_Update_Notification_Stack(&g_app->scene, &g_app->camera);
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111
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112 Canvas_Web_Surface_Sync(&g_app->web_surface, &g_app->camera, &g_app->scene);
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113
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114 BeginDrawing();
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115 ClearBackground(g_app->theme.background);
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116 Canvas_Draw_World_Background(
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117 &g_app->camera,
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118 &g_app->scene,
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119 &g_app->theme);
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120 for (size_t index = 0;
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121 index < Dowa_Array_Length(g_app->scene.p_entities);
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122 index++) {
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123 Canvas_Draw_World_Entity(
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124 &g_app->camera,
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125 &g_app->scene,
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126 index,
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127 g_app->font,
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128 &g_app->theme);
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129 Canvas_Web_Surface_Draw_Entity(
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130 &g_app->web_surface,
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131 &g_app->camera,
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132 &g_app->scene,
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133 index);
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134 const Canvas_Entity *p_entity = &g_app->scene.p_entities[index];
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135 const char *p_url = Canvas_Web_Surface_URL(
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136 &g_app->web_surface,
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137 p_entity->id);
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138 Canvas_Draw_Web_Chrome_Entity(
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139 &g_app->camera,
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140 &g_app->scene,
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141 index,
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142 g_app->font,
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143 &g_app->theme,
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144 p_url ? p_url : p_entity->text,
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145 Canvas_Web_Surface_Can_Go_Back(
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146 &g_app->web_surface,
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147 p_entity->id),
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148 Canvas_Web_Surface_Can_Go_Forward(
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149 &g_app->web_surface,
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150 p_entity->id));
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151 }
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152 Canvas_Draw_World_Overlays(
276
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153 &g_app->camera,
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154 &g_app->scene,
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155 g_app->font,
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156 &g_app->theme);
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157 #if defined(INFINITE_CANVAS_DEV_UI)
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158 Canvas_Dev_UI_Draw(
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159 &g_app->dev_ui,
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160 &g_app->camera,
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161 &g_app->scene,
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162 g_app->font,
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163 &g_app->theme);
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164 #endif
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165 EndDrawing();
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166 g_app->frame_count++;
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167 #if !defined(PLATFORM_WEB)
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168 if (g_app->frame_count == 30) {
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169 RestoreWindow();
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170 SetWindowFocused();
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171 }
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172 #endif
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173 if (g_app->p_screenshot_path &&
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174 g_app->frame_count == 180) {
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175 TakeScreenshot(g_app->p_screenshot_path);
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176 }
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177 }
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178
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179 int main(int argc, char **p_argv)
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180 {
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181 #if !defined(PLATFORM_WEB)
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182 int32 subprocess_result = Canvas_Web_Surface_Execute_Subprocess(argc, p_argv);
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183 if (subprocess_result >= 0) return subprocess_result;
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184 #else
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185 (void)argc;
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186 (void)p_argv;
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187 #endif
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188
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189 Dowa_Arena *p_arena = Dowa_Arena_Create(8 * ONE_MEGA_BYTE);
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190 if (!p_arena) return 1;
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191
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192 g_app = (Canvas_App *)Dowa_Arena_Allocate(p_arena, sizeof(*g_app));
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193 if (!g_app) {
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194 Dowa_Arena_Free(p_arena);
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195 return 1;
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196 }
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197 memset(g_app, 0, sizeof(*g_app));
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198 g_app->p_arena = p_arena;
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199 g_app->p_screenshot_path = getenv("INFINITE_CANVAS_SCREENSHOT");
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200 Canvas_Theme_Resolve(
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201 &g_app->theme,
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202 Canvas_Theme_Mode_From_String(getenv("INFINITE_CANVAS_THEME")));
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203
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204 SetConfigFlags(FLAG_WINDOW_RESIZABLE | FLAG_WINDOW_HIGHDPI | FLAG_MSAA_4X_HINT);
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205 #if defined(INFINITE_CANVAS_DEV_UI)
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206 InitWindow(1920, 1200, "Infinite Canvas");
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207 SetWindowMinSize(1200, 800);
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208 #else
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209 InitWindow(1280, 720, "Infinite Canvas");
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210 SetWindowMinSize(640, 360);
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211 #endif
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212 SetTargetFPS(60);
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213 #if !defined(PLATFORM_WEB)
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214 SetWindowFocused();
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215 #endif
278
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216 if (!Canvas_Web_Surface_Init(
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217 &g_app->web_surface,
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218 p_arena,
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219 g_app->theme.resolved_mode == CANVAS_THEME_DARK ? TRUE : FALSE)) {
276
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220 TraceLog(LOG_WARNING, "Web surface initialization failed");
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221 }
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222
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223 g_app->font = LoadFontEx("infinite_canvas/assets/Inter-Variable.ttf", 48, NULL, 0);
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224 g_app->owns_font = g_app->font.texture.id != 0;
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225 if (!g_app->owns_font) g_app->font = GetFontDefault();
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226 else SetTextureFilter(g_app->font.texture, TEXTURE_FILTER_BILINEAR);
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227 Canvas_Camera_Init(&g_app->camera, GetScreenWidth(), GetScreenHeight());
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228 Canvas_Scene_Init(&g_app->scene, p_arena);
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229 if (getenv("INFINITE_CANVAS_BROWSER_STRESS")) {
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230 Canvas_Scene_Add_Browser_Grid(&g_app->scene);
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231 } else {
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232 Canvas_Scene_Add_Demo(&g_app->scene);
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233 }
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234 const char *p_image_source = getenv("INFINITE_CANVAS_IMAGE_SOURCE");
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235 if (p_image_source) {
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236 for (size_t index = 0; index < Dowa_Array_Length(g_app->scene.p_entities); index++) {
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237 Canvas_Entity *p_entity = &g_app->scene.p_entities[index];
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238 if (p_entity->type == CANVAS_ENTITY_IMAGE) {
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239 snprintf(p_entity->text, sizeof(p_entity->text), "%s", p_image_source);
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240 break;
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241 }
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242 }
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243 }
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244 #if !defined(PLATFORM_WEB)
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245 for (size_t index = 0; index < Dowa_Array_Length(g_app->scene.p_entities); index++) {
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246 Canvas_Entity *p_entity = &g_app->scene.p_entities[index];
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247 if (p_entity->type == CANVAS_ENTITY_WEB_CONTENT) {
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248 snprintf(p_entity->text, sizeof(p_entity->text), "https://www.google.com");
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249 break;
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250 }
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251 }
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252 #endif
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253 #if defined(INFINITE_CANVAS_DEV_UI)
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254 Canvas_Dev_UI_Init(&g_app->dev_ui, g_app->font, &g_app->theme);
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255 #endif
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256
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257 #if defined(PLATFORM_WEB)
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258 emscripten_set_main_loop(Canvas_App_Draw_Frame, 0, 1);
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259 #else
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260 while (!WindowShouldClose()) Canvas_App_Draw_Frame();
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261 Canvas_Web_Surface_Shutdown(&g_app->web_surface);
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262 if (g_app->owns_font) UnloadFont(g_app->font);
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263 Dowa_Arena_Free(p_arena);
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264 g_app = NULL;
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265 CloseWindow();
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266 #endif
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267
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268 return 0;
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269 }