raylib/examples/text_font_select.c
2014-12-31 19:17:50 +01:00

144 lines
5.6 KiB
C

/*******************************************************************************************
*
* raylib [text] example - Font selector
*
* This example has been created using raylib 1.0 (www.raylib.com)
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
*
* Copyright (c) 2014 Ramon Santamaria (Ray San - raysan@raysanweb.com)
*
********************************************************************************************/
#include "raylib.h"
int main()
{
// Initialization
//--------------------------------------------------------------------------------------
int screenWidth = 800;
int screenHeight = 150;
InitWindow(screenWidth, screenHeight, "raylib [text] example - font selector");
// NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)
SpriteFont fonts[8]; // SpriteFont array
fonts[0] = LoadSpriteFont("resources/fonts/alagard.rbmf"); // SpriteFont loading
fonts[1] = LoadSpriteFont("resources/fonts/pixelplay.rbmf"); // SpriteFont loading
fonts[2] = LoadSpriteFont("resources/fonts/mecha.rbmf"); // SpriteFont loading
fonts[3] = LoadSpriteFont("resources/fonts/setback.rbmf"); // SpriteFont loading
fonts[4] = LoadSpriteFont("resources/fonts/romulus.rbmf"); // SpriteFont loading
fonts[5] = LoadSpriteFont("resources/fonts/pixantiqua.rbmf"); // SpriteFont loading
fonts[6] = LoadSpriteFont("resources/fonts/alpha_beta.rbmf"); // SpriteFont loading
fonts[7] = LoadSpriteFont("resources/fonts/jupiter_crash.rbmf"); // SpriteFont loading
int currentFont = 0; // Selected font
Color colors[8] = { MAROON, ORANGE, DARKGREEN, DARKBLUE, DARKPURPLE, LIME, GOLD, RED };
const char fontNames[8][20] = { "[0] Alagard", "[1] PixelPlay", "[2] MECHA", "[3] Setback",
"[4] Romulus", "[5] PixAntiqua", "[6] Alpha Beta", "[7] Jupiter Crash" };
const char text[50] = "THIS is THE FONT you SELECTED!"; // Main text
Vector2 textSize = MeasureTextEx(fonts[currentFont], text, GetFontBaseSize(fonts[currentFont])*3, 1);
Vector2 mousePoint;
Rectangle btnNextRec = { 673, 18, 109, 44 }; // Button rectangle (useful for collision)
Color btnNextOutColor = DARKBLUE; // Button color (outside line)
Color btnNextInColor = SKYBLUE; // Button color (inside)
int framesCounter = 0; // Useful to count frames button is 'active' = clicked
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key
{
// Update
//----------------------------------------------------------------------------------
// Keyboard-based font selection (easy)
if (IsKeyPressed(KEY_RIGHT))
{
if (currentFont < 7) currentFont++;
}
if (IsKeyPressed(KEY_LEFT))
{
if (currentFont > 0) currentFont--;
}
// Mouse-based font selection (NEXT button logic)
mousePoint = GetMousePosition();
if (CheckCollisionPointRec(mousePoint, btnNextRec))
{
// Mouse hover button logic
if (framesCounter == 0)
{
btnNextOutColor = DARKPURPLE;
btnNextInColor = PURPLE;
}
if (IsMouseButtonDown(MOUSE_LEFT_BUTTON))
{
framesCounter = 20; // Frames button is 'active'
btnNextOutColor = MAROON;
btnNextInColor = RED;
}
}
else
{
// Mouse not hover button
btnNextOutColor = DARKBLUE;
btnNextInColor = SKYBLUE;
}
if (framesCounter > 0) framesCounter--;
if (framesCounter == 1) // We change font on frame 1
{
currentFont++;
if (currentFont > 7) currentFont = 0;
}
// Text measurement for better positioning on screen
textSize = MeasureTextEx(fonts[currentFont], text, GetFontBaseSize(fonts[currentFont])*3, 1);
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
DrawRectangle(18, 18, 644, 44, DARKGRAY);
DrawRectangle(20, 20, 640, 40, LIGHTGRAY);
DrawText(fontNames[currentFont], 30, 31, 20, BLACK);
DrawText("< >", 610, 26, 30, BLACK);
DrawRectangleRec(btnNextRec, btnNextOutColor);
DrawRectangle(675, 20, 105, 40, btnNextInColor);
DrawText("NEXT", 700, 31, 20, btnNextOutColor);
DrawTextEx(fonts[currentFont], text, (Vector2){ screenWidth/2 - textSize.x/2,
75 + (70 - textSize.y)/2 }, GetFontBaseSize(fonts[currentFont])*3,
1, colors[currentFont]);
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
for (int i = 0; i < 8; i++) UnloadSpriteFont(fonts[i]); // SpriteFont(s) unloading
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}