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120 rindas
5.1 KiB
120 rindas
5.1 KiB
/*******************************************************************************************
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*
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* raylib [text] example - Draw text inside a rectangle
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*
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* This example has been created using raylib 2.3 (www.raylib.com)
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* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
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*
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* Example contributed by Vlad Adrian (@demizdor) and reviewed by Ramon Santamaria (@raysan5)
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*
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* Copyright (c) 2018 Vlad Adrian (@demizdor) and Ramon Santamaria (@raysan5)
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*
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********************************************************************************************/
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#include "raylib.h"
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int main(void)
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{
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// Initialization
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//--------------------------------------------------------------------------------------
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const int screenWidth = 800;
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const int screenHeight = 450;
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InitWindow(screenWidth, screenHeight, "raylib [text] example - draw text inside a rectangle");
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const char text[] = "Text cannot escape\tthis container\t...word wrap also works when active so here's\
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a long text for testing.\n\nLorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod\
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tempor incididunt ut labore et dolore magna aliqua. Nec ullamcorper sit amet risus nullam eget felis eget.";
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bool resizing = false;
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bool wordWrap = true;
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Rectangle container = { 25, 25, screenWidth - 50, screenHeight - 250};
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Rectangle resizer = { container.x + container.width - 17, container.y + container.height - 17, 14, 14 };
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// Minimum width and heigh for the container rectangle
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const int minWidth = 60;
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const int minHeight = 60;
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const int maxWidth = screenWidth - 50;
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const int maxHeight = screenHeight - 160;
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Vector2 lastMouse = { 0.0f, 0.0f }; // Stores last mouse coordinates
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Color borderColor = MAROON; // Container border color
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Font font = GetFontDefault(); // Get default system font
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SetTargetFPS(60); // Set our game to run at 60 frames-per-second
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//--------------------------------------------------------------------------------------
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// Main game loop
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while (!WindowShouldClose()) // Detect window close button or ESC key
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{
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// Update
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//----------------------------------------------------------------------------------
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if (IsKeyPressed(KEY_SPACE)) wordWrap = !wordWrap;
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Vector2 mouse = GetMousePosition();
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// Check if the mouse is inside the container and toggle border color
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if (CheckCollisionPointRec(mouse, container)) borderColor = Fade(MAROON, 0.4f);
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else if (!resizing) borderColor = MAROON;
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// Container resizing logic
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if (resizing)
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{
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if (IsMouseButtonReleased(MOUSE_LEFT_BUTTON)) resizing = false;
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int width = container.width + (mouse.x - lastMouse.x);
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container.width = (width > minWidth)? ((width < maxWidth)? width : maxWidth) : minWidth;
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int height = container.height + (mouse.y - lastMouse.y);
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container.height = (height > minHeight)? ((height < maxHeight)? height : maxHeight) : minHeight;
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}
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else
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{
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// Check if we're resizing
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if (IsMouseButtonDown(MOUSE_LEFT_BUTTON) && CheckCollisionPointRec(mouse, resizer)) resizing = true;
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}
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// Move resizer rectangle properly
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resizer.x = container.x + container.width - 17;
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resizer.y = container.y + container.height - 17;
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lastMouse = mouse; // Update mouse
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//----------------------------------------------------------------------------------
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// Draw
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//----------------------------------------------------------------------------------
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BeginDrawing();
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ClearBackground(RAYWHITE);
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DrawRectangleLinesEx(container, 3, borderColor); // Draw container border
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// Draw text in container (add some padding)
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DrawTextRec(font, text,
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(Rectangle){ container.x + 4, container.y + 4, container.width - 4, container.height - 4 },
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20.0f, 2.0f, wordWrap, GRAY);
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DrawRectangleRec(resizer, borderColor); // Draw the resize box
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// Draw info
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DrawText("Word Wrap: ", 313, screenHeight-115, 20, BLACK);
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if (wordWrap) DrawText("ON", 447, screenHeight - 115, 20, RED);
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else DrawText("OFF", 447, screenHeight - 115, 20, BLACK);
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DrawText("Press [SPACE] to toggle word wrap", 218, screenHeight - 91, 20, GRAY);
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DrawRectangle(0, screenHeight - 54, screenWidth, 54, GRAY);
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DrawText("Click hold & drag the to resize the container", 155, screenHeight - 38, 20, RAYWHITE);
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DrawRectangleRec((Rectangle){ 382, screenHeight - 34, 12, 12 }, MAROON);
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EndDrawing();
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//----------------------------------------------------------------------------------
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}
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// De-Initialization
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//--------------------------------------------------------------------------------------
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CloseWindow(); // Close window and OpenGL context
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//--------------------------------------------------------------------------------------
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return 0;
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}
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