@ -0,0 +1,115 @@ | |||||
/******************************************************************************************* | |||||
* | |||||
* raylib [core] example - Gestures Detection | |||||
* | |||||
* This example has been created using raylib 1.4 (www.raylib.com) | |||||
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) | |||||
* | |||||
* Copyright (c) 2016 Ramon Santamaria (@raysan5) | |||||
* | |||||
********************************************************************************************/ | |||||
#include "raylib.h" | |||||
#include <string.h> | |||||
#define MAX_GESTURE_STRINGS 20 | |||||
int main() | |||||
{ | |||||
// Initialization | |||||
//-------------------------------------------------------------------------------------- | |||||
int screenWidth = 800; | |||||
int screenHeight = 450; | |||||
InitWindow(screenWidth, screenHeight, "raylib [core] example - gestures detection"); | |||||
Vector2 touchPosition = { 0, 0 }; | |||||
Rectangle touchArea = { 220, 10, screenWidth - 230, screenHeight - 20 }; | |||||
int gesturesCount = 0; | |||||
char gestureStrings[MAX_GESTURE_STRINGS][32]; | |||||
int currentGesture = GESTURE_NONE; | |||||
int lastGesture = GESTURE_NONE; | |||||
//SetGesturesEnabled(0b0000000000001001); // Enable only some gestures to be detected | |||||
SetTargetFPS(30); | |||||
//-------------------------------------------------------------------------------------- | |||||
// Main game loop | |||||
while (!WindowShouldClose()) // Detect window close button or ESC key | |||||
{ | |||||
// Update | |||||
//---------------------------------------------------------------------------------- | |||||
lastGesture = currentGesture; | |||||
touchPosition = GetTouchPosition(0); | |||||
if (CheckCollisionPointRec(touchPosition, touchArea) && IsGestureDetected()) | |||||
{ | |||||
currentGesture = GetGestureType(); | |||||
if (currentGesture != lastGesture) | |||||
{ | |||||
// Store gesture string | |||||
switch (currentGesture) | |||||
{ | |||||
case GESTURE_TAP: strcpy(gestureStrings[gesturesCount], "GESTURE TAP"); break; | |||||
case GESTURE_DOUBLETAP: strcpy(gestureStrings[gesturesCount], "GESTURE DOUBLETAP"); break; | |||||
case GESTURE_HOLD: strcpy(gestureStrings[gesturesCount], "GESTURE HOLD"); break; | |||||
case GESTURE_DRAG: strcpy(gestureStrings[gesturesCount], "GESTURE DRAG"); break; | |||||
case GESTURE_SWIPE_RIGHT: strcpy(gestureStrings[gesturesCount], "GESTURE SWIPE RIGHT"); break; | |||||
case GESTURE_SWIPE_LEFT: strcpy(gestureStrings[gesturesCount], "GESTURE SWIPE LEFT"); break; | |||||
case GESTURE_SWIPE_UP: strcpy(gestureStrings[gesturesCount], "GESTURE SWIPE UP"); break; | |||||
case GESTURE_SWIPE_DOWN: strcpy(gestureStrings[gesturesCount], "GESTURE SWIPE DOWN"); break; | |||||
default: break; | |||||
} | |||||
gesturesCount++; | |||||
// Reset gestures strings | |||||
if (gesturesCount >= MAX_GESTURE_STRINGS) | |||||
{ | |||||
for (int i = 0; i < MAX_GESTURE_STRINGS; i++) strcpy(gestureStrings[i], "\0"); | |||||
gesturesCount = 0; | |||||
} | |||||
} | |||||
} | |||||
else currentGesture = GESTURE_NONE; | |||||
//---------------------------------------------------------------------------------- | |||||
// Draw | |||||
//---------------------------------------------------------------------------------- | |||||
BeginDrawing(); | |||||
ClearBackground(RAYWHITE); | |||||
DrawRectangleRec(touchArea, GRAY); | |||||
DrawRectangle(225, 15, screenWidth - 240, screenHeight - 30, RAYWHITE); | |||||
DrawText("GESTURES TEST AREA", screenWidth - 270, screenHeight - 40, 20, Fade(GRAY, 0.5f)); | |||||
for (int i = 0; i < gesturesCount; i++) | |||||
{ | |||||
if (i%2 == 0) DrawRectangle(10, 30 + 20*i, 200, 20, Fade(LIGHTGRAY, 0.5f)); | |||||
else DrawRectangle(10, 30 + 20*i, 200, 20, Fade(LIGHTGRAY, 0.3f)); | |||||
if (i < gesturesCount - 1) DrawText(gestureStrings[i], 35, 36 + 20*i, 10, DARKGRAY); | |||||
else DrawText(gestureStrings[i], 35, 36 + 20*i, 10, MAROON); | |||||
} | |||||
DrawRectangleLines(10, 29, 200, screenHeight - 50, GRAY); | |||||
DrawText("DETECTED GESTURES", 50, 15, 10, GRAY); | |||||
if (currentGesture != GESTURE_NONE) DrawCircleV(touchPosition, 30, MAROON); | |||||
EndDrawing(); | |||||
//---------------------------------------------------------------------------------- | |||||
} | |||||
// De-Initialization | |||||
//-------------------------------------------------------------------------------------- | |||||
CloseWindow(); // Close window and OpenGL context | |||||
//-------------------------------------------------------------------------------------- | |||||
} |
@ -0,0 +1,99 @@ | |||||
info face="Arial Black" size=-32 bold=0 italic=0 charset="" unicode=1 stretchH=100 smooth=1 aa=1 padding=0,0,0,0 spacing=2,2 outline=0 | |||||
common lineHeight=45 base=35 scaleW=512 scaleH=256 pages=1 packed=0 alphaChnl=0 redChnl=4 greenChnl=4 blueChnl=4 | |||||
page id=0 file="bmfont.png" | |||||
chars count=95 | |||||
char id=32 x=423 y=141 width=3 height=45 xoffset=-1 yoffset=0 xadvance=11 page=0 chnl=15 | |||||
char id=33 x=323 y=141 width=9 height=45 xoffset=1 yoffset=0 xadvance=11 page=0 chnl=15 | |||||
char id=34 x=123 y=141 width=16 height=45 xoffset=0 yoffset=0 xadvance=16 page=0 chnl=15 | |||||
char id=35 x=221 y=47 width=21 height=45 xoffset=0 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=36 x=244 y=47 width=21 height=45 xoffset=0 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=37 x=70 y=0 width=30 height=45 xoffset=1 yoffset=0 xadvance=32 page=0 chnl=15 | |||||
char id=38 x=390 y=0 width=25 height=45 xoffset=2 yoffset=0 xadvance=28 page=0 chnl=15 | |||||
char id=39 x=378 y=141 width=8 height=45 xoffset=1 yoffset=0 xadvance=9 page=0 chnl=15 | |||||
char id=40 x=222 y=141 width=11 height=45 xoffset=1 yoffset=0 xadvance=12 page=0 chnl=15 | |||||
char id=41 x=499 y=94 width=11 height=45 xoffset=1 yoffset=0 xadvance=12 page=0 chnl=15 | |||||
char id=42 x=497 y=47 width=13 height=45 xoffset=2 yoffset=0 xadvance=18 page=0 chnl=15 | |||||
char id=43 x=394 y=94 width=19 height=45 xoffset=1 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=44 x=367 y=141 width=9 height=45 xoffset=1 yoffset=0 xadvance=11 page=0 chnl=15 | |||||
char id=45 x=261 y=141 width=11 height=45 xoffset=0 yoffset=0 xadvance=11 page=0 chnl=15 | |||||
char id=46 x=356 y=141 width=9 height=45 xoffset=1 yoffset=0 xadvance=11 page=0 chnl=15 | |||||
char id=47 x=248 y=141 width=11 height=45 xoffset=-1 yoffset=0 xadvance=9 page=0 chnl=15 | |||||
char id=48 x=382 y=47 width=21 height=45 xoffset=0 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=49 x=496 y=0 width=14 height=45 xoffset=2 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=50 x=134 y=94 width=20 height=45 xoffset=0 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=51 x=359 y=47 width=21 height=45 xoffset=0 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=52 x=313 y=47 width=21 height=45 xoffset=0 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=53 x=336 y=47 width=21 height=45 xoffset=0 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=54 x=178 y=94 width=20 height=45 xoffset=1 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=55 x=478 y=94 width=19 height=45 xoffset=1 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=56 x=290 y=47 width=21 height=45 xoffset=0 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=57 x=90 y=94 width=20 height=45 xoffset=0 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=58 x=345 y=141 width=9 height=45 xoffset=1 yoffset=0 xadvance=11 page=0 chnl=15 | |||||
char id=59 x=334 y=141 width=9 height=45 xoffset=1 yoffset=0 xadvance=11 page=0 chnl=15 | |||||
char id=60 x=0 y=141 width=19 height=45 xoffset=1 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=61 x=21 y=141 width=19 height=45 xoffset=1 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=62 x=310 y=94 width=19 height=45 xoffset=1 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=63 x=352 y=94 width=19 height=45 xoffset=1 yoffset=0 xadvance=20 page=0 chnl=15 | |||||
char id=64 x=279 y=0 width=26 height=45 xoffset=-1 yoffset=0 xadvance=24 page=0 chnl=15 | |||||
char id=65 x=193 y=0 width=27 height=45 xoffset=-1 yoffset=0 xadvance=25 page=0 chnl=15 | |||||
char id=66 x=150 y=47 width=22 height=45 xoffset=2 yoffset=0 xadvance=25 page=0 chnl=15 | |||||
char id=67 x=444 y=0 width=24 height=45 xoffset=1 yoffset=0 xadvance=25 page=0 chnl=15 | |||||
char id=68 x=174 y=47 width=22 height=45 xoffset=2 yoffset=0 xadvance=25 page=0 chnl=15 | |||||
char id=69 x=156 y=94 width=20 height=45 xoffset=2 yoffset=0 xadvance=23 page=0 chnl=15 | |||||
char id=70 x=63 y=141 width=18 height=45 xoffset=2 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=71 x=417 y=0 width=25 height=45 xoffset=1 yoffset=0 xadvance=27 page=0 chnl=15 | |||||
char id=72 x=125 y=47 width=23 height=45 xoffset=2 yoffset=0 xadvance=27 page=0 chnl=15 | |||||
char id=73 x=388 y=141 width=8 height=45 xoffset=2 yoffset=0 xadvance=12 page=0 chnl=15 | |||||
char id=74 x=200 y=94 width=20 height=45 xoffset=0 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=75 x=251 y=0 width=26 height=45 xoffset=2 yoffset=0 xadvance=27 page=0 chnl=15 | |||||
char id=76 x=373 y=94 width=19 height=45 xoffset=2 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=77 x=134 y=0 width=28 height=45 xoffset=1 yoffset=0 xadvance=30 page=0 chnl=15 | |||||
char id=78 x=100 y=47 width=23 height=45 xoffset=2 yoffset=0 xadvance=27 page=0 chnl=15 | |||||
char id=79 x=363 y=0 width=25 height=45 xoffset=1 yoffset=0 xadvance=27 page=0 chnl=15 | |||||
char id=80 x=112 y=94 width=20 height=45 xoffset=2 yoffset=0 xadvance=23 page=0 chnl=15 | |||||
char id=81 x=335 y=0 width=26 height=45 xoffset=1 yoffset=0 xadvance=27 page=0 chnl=15 | |||||
char id=82 x=470 y=0 width=24 height=45 xoffset=2 yoffset=0 xadvance=25 page=0 chnl=15 | |||||
char id=83 x=75 y=47 width=23 height=45 xoffset=0 yoffset=0 xadvance=23 page=0 chnl=15 | |||||
char id=84 x=50 y=47 width=23 height=45 xoffset=0 yoffset=0 xadvance=23 page=0 chnl=15 | |||||
char id=85 x=25 y=47 width=23 height=45 xoffset=2 yoffset=0 xadvance=27 page=0 chnl=15 | |||||
char id=86 x=307 y=0 width=26 height=45 xoffset=0 yoffset=0 xadvance=25 page=0 chnl=15 | |||||
char id=87 x=0 y=0 width=34 height=45 xoffset=-1 yoffset=0 xadvance=32 page=0 chnl=15 | |||||
char id=88 x=222 y=0 width=27 height=45 xoffset=-1 yoffset=0 xadvance=25 page=0 chnl=15 | |||||
char id=89 x=164 y=0 width=27 height=45 xoffset=-1 yoffset=0 xadvance=25 page=0 chnl=15 | |||||
char id=90 x=0 y=47 width=23 height=45 xoffset=0 yoffset=0 xadvance=23 page=0 chnl=15 | |||||
char id=91 x=274 y=141 width=11 height=45 xoffset=1 yoffset=0 xadvance=12 page=0 chnl=15 | |||||
char id=92 x=300 y=141 width=10 height=45 xoffset=-1 yoffset=0 xadvance=9 page=0 chnl=15 | |||||
char id=93 x=287 y=141 width=11 height=45 xoffset=0 yoffset=0 xadvance=12 page=0 chnl=15 | |||||
char id=94 x=457 y=94 width=19 height=45 xoffset=1 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=95 x=103 y=141 width=18 height=45 xoffset=-1 yoffset=0 xadvance=16 page=0 chnl=15 | |||||
char id=96 x=312 y=141 width=9 height=45 xoffset=0 yoffset=0 xadvance=11 page=0 chnl=15 | |||||
char id=97 x=474 y=47 width=21 height=45 xoffset=0 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=98 x=68 y=94 width=20 height=45 xoffset=1 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=99 x=267 y=47 width=21 height=45 xoffset=0 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=100 x=46 y=94 width=20 height=45 xoffset=0 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=101 x=198 y=47 width=21 height=45 xoffset=0 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=102 x=141 y=141 width=15 height=45 xoffset=-1 yoffset=0 xadvance=12 page=0 chnl=15 | |||||
char id=103 x=222 y=94 width=20 height=45 xoffset=0 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=104 x=415 y=94 width=19 height=45 xoffset=1 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=105 x=398 y=141 width=7 height=45 xoffset=2 yoffset=0 xadvance=11 page=0 chnl=15 | |||||
char id=106 x=235 y=141 width=11 height=45 xoffset=-2 yoffset=0 xadvance=11 page=0 chnl=15 | |||||
char id=107 x=405 y=47 width=21 height=45 xoffset=1 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=108 x=407 y=141 width=7 height=45 xoffset=2 yoffset=0 xadvance=11 page=0 chnl=15 | |||||
char id=109 x=102 y=0 width=30 height=45 xoffset=1 yoffset=0 xadvance=32 page=0 chnl=15 | |||||
char id=110 x=331 y=94 width=19 height=45 xoffset=1 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=111 x=428 y=47 width=21 height=45 xoffset=0 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=112 x=266 y=94 width=20 height=45 xoffset=1 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=113 x=288 y=94 width=20 height=45 xoffset=0 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=114 x=158 y=141 width=15 height=45 xoffset=1 yoffset=0 xadvance=14 page=0 chnl=15 | |||||
char id=115 x=244 y=94 width=20 height=45 xoffset=0 yoffset=0 xadvance=20 page=0 chnl=15 | |||||
char id=116 x=175 y=141 width=14 height=45 xoffset=0 yoffset=0 xadvance=14 page=0 chnl=15 | |||||
char id=117 x=436 y=94 width=19 height=45 xoffset=1 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=118 x=451 y=47 width=21 height=45 xoffset=0 yoffset=0 xadvance=20 page=0 chnl=15 | |||||
char id=119 x=36 y=0 width=32 height=45 xoffset=-1 yoffset=0 xadvance=30 page=0 chnl=15 | |||||
char id=120 x=0 y=94 width=21 height=45 xoffset=0 yoffset=0 xadvance=21 page=0 chnl=15 | |||||
char id=121 x=23 y=94 width=21 height=45 xoffset=0 yoffset=0 xadvance=20 page=0 chnl=15 | |||||
char id=122 x=83 y=141 width=18 height=45 xoffset=0 yoffset=0 xadvance=18 page=0 chnl=15 | |||||
char id=123 x=191 y=141 width=14 height=45 xoffset=-1 yoffset=0 xadvance=12 page=0 chnl=15 | |||||
char id=124 x=416 y=141 width=5 height=45 xoffset=2 yoffset=0 xadvance=9 page=0 chnl=15 | |||||
char id=125 x=207 y=141 width=13 height=45 xoffset=0 yoffset=0 xadvance=12 page=0 chnl=15 | |||||
char id=126 x=42 y=141 width=19 height=45 xoffset=1 yoffset=0 xadvance=21 page=0 chnl=15 |
@ -0,0 +1,68 @@ | |||||
/******************************************************************************************* | |||||
* | |||||
* raylib [text] example - BMFont and TTF SpriteFonts loading | |||||
* | |||||
* This example has been created using raylib 1.4 (www.raylib.com) | |||||
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) | |||||
* | |||||
* Copyright (c) 2016 Ramon Santamaria (@raysan5) | |||||
* | |||||
********************************************************************************************/ | |||||
#include "raylib.h" | |||||
int main() | |||||
{ | |||||
// Initialization | |||||
//-------------------------------------------------------------------------------------- | |||||
int screenWidth = 800; | |||||
int screenHeight = 450; | |||||
InitWindow(screenWidth, screenHeight, "raylib [text] example - bmfont and ttf sprite fonts loading"); | |||||
const char msgBm[64] = "THIS IS AN AngelCode SPRITE FONT"; | |||||
const char msgTtf[64] = "THIS SPRITE FONT has been GENERATED from a TTF"; | |||||
// NOTE: Textures/Fonts MUST be loaded after Window initialization (OpenGL context is required) | |||||
SpriteFont fontBm = LoadSpriteFont("resources/fonts/bmfont.fnt"); // BMFont (AngelCode) | |||||
SpriteFont fontTtf = LoadSpriteFont("resources/fonts/pixantiqua.ttf"); // TTF font | |||||
Vector2 fontPosition; | |||||
fontPosition.x = screenWidth/2 - MeasureTextEx(fontBm, msgBm, fontBm.size, 0).x/2; | |||||
fontPosition.y = screenHeight/2 - fontBm.size/2 - 80; | |||||
SetTargetFPS(60); | |||||
//-------------------------------------------------------------------------------------- | |||||
// Main game loop | |||||
while (!WindowShouldClose()) // Detect window close button or ESC key | |||||
{ | |||||
// Update | |||||
//---------------------------------------------------------------------------------- | |||||
// TODO: Update variables here... | |||||
//---------------------------------------------------------------------------------- | |||||
// Draw | |||||
//---------------------------------------------------------------------------------- | |||||
BeginDrawing(); | |||||
ClearBackground(RAYWHITE); | |||||
DrawTextEx(fontBm, msgBm, fontPosition, fontBm.size, 0, MAROON); | |||||
DrawTextEx(fontTtf, msgTtf, (Vector2){ 75.0f, 240.0f }, fontTtf.size*0.8f, 2, LIME); | |||||
EndDrawing(); | |||||
//---------------------------------------------------------------------------------- | |||||
} | |||||
// De-Initialization | |||||
//-------------------------------------------------------------------------------------- | |||||
UnloadSpriteFont(fontBm); // AngelCode SpriteFont unloading | |||||
UnloadSpriteFont(fontTtf); // TTF SpriteFont unloading | |||||
CloseWindow(); // Close window and OpenGL context | |||||
//-------------------------------------------------------------------------------------- | |||||
return 0; | |||||
} |
@ -0,0 +1,60 @@ | |||||
/******************************************************************************************* | |||||
* | |||||
* raylib [text] example - Text Writing Animation | |||||
* | |||||
* This example has been created using raylib 1.4 (www.raylib.com) | |||||
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) | |||||
* | |||||
* Copyright (c) 2016 Ramon Santamaria (@raysan5) | |||||
* | |||||
********************************************************************************************/ | |||||
#include "raylib.h" | |||||
int main() | |||||
{ | |||||
// Initialization | |||||
//-------------------------------------------------------------------------------------- | |||||
int screenWidth = 800; | |||||
int screenHeight = 450; | |||||
InitWindow(screenWidth, screenHeight, "raylib [text] example - text writing anim"); | |||||
const char message[128] = "This sample illustrates a text writing\nanimation effect! Check it out! ;)"; | |||||
int framesCounter = 0; | |||||
SetTargetFPS(60); | |||||
//-------------------------------------------------------------------------------------- | |||||
// Main game loop | |||||
while (!WindowShouldClose()) // Detect window close button or ESC key | |||||
{ | |||||
// Update | |||||
//---------------------------------------------------------------------------------- | |||||
framesCounter++; | |||||
if (IsKeyPressed(KEY_ENTER)) framesCounter = 0; | |||||
//---------------------------------------------------------------------------------- | |||||
// Draw | |||||
//---------------------------------------------------------------------------------- | |||||
BeginDrawing(); | |||||
ClearBackground(RAYWHITE); | |||||
DrawText(SubText(message, 0, framesCounter/10), 210, 160, 20, MAROON); | |||||
DrawText("PRESS [ENTER] to RESTART!", 240, 280, 20, LIGHTGRAY); | |||||
EndDrawing(); | |||||
//---------------------------------------------------------------------------------- | |||||
} | |||||
// De-Initialization | |||||
//-------------------------------------------------------------------------------------- | |||||
CloseWindow(); // Close window and OpenGL context | |||||
//-------------------------------------------------------------------------------------- | |||||
return 0; | |||||
} |
@ -0,0 +1,78 @@ | |||||
/******************************************************************************************* | |||||
* | |||||
* raylib [textures] example - Image loading and drawing on it | |||||
* | |||||
* NOTE: Images are loaded in CPU memory (RAM); textures are loaded in GPU memory (VRAM) | |||||
* | |||||
* This example has been created using raylib 1.4 (www.raylib.com) | |||||
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) | |||||
* | |||||
* Copyright (c) 2016 Ramon Santamaria (@raysan5) | |||||
* | |||||
********************************************************************************************/ | |||||
#include "raylib.h" | |||||
int main() | |||||
{ | |||||
// Initialization | |||||
//-------------------------------------------------------------------------------------- | |||||
int screenWidth = 800; | |||||
int screenHeight = 450; | |||||
InitWindow(screenWidth, screenHeight, "raylib [textures] example - image drawing"); | |||||
// NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required) | |||||
Image cat = LoadImage("resources/cat.png"); // Load image in CPU memory (RAM) | |||||
ImageCrop(&cat, (Rectangle){ 170, 120, 280, 380 }); // Crop an image piece | |||||
ImageFlipHorizontal(&cat); // Flip cropped image horizontally | |||||
ImageResize(&cat, 150, 200); // Resize flipped-cropped image | |||||
Image parrots = LoadImage("resources/parrots.png"); // Load image in CPU memory (RAM) | |||||
// Draw one image over the other with a scaling of 1.5f | |||||
ImageDraw(&parrots, cat, (Rectangle){ 0, 0, cat.width, cat.height}, (Rectangle){ 30, 40, cat.width*1.5f, cat.height*1.5f }); | |||||
ImageCrop(&parrots, (Rectangle){ 0, 50, parrots.width, parrots.height - 100 }); // Crop resulting image | |||||
UnloadImage(cat); // Unload image from RAM | |||||
Texture2D texture = LoadTextureFromImage(parrots); // Image converted to texture, uploaded to GPU memory (VRAM) | |||||
UnloadImage(parrots); // Once image has been converted to texture and uploaded to VRAM, it can be unloaded from RAM | |||||
SetTargetFPS(60); | |||||
//--------------------------------------------------------------------------------------- | |||||
// Main game loop | |||||
while (!WindowShouldClose()) // Detect window close button or ESC key | |||||
{ | |||||
// Update | |||||
//---------------------------------------------------------------------------------- | |||||
// TODO: Update your variables here | |||||
//---------------------------------------------------------------------------------- | |||||
// Draw | |||||
//---------------------------------------------------------------------------------- | |||||
BeginDrawing(); | |||||
ClearBackground(RAYWHITE); | |||||
DrawTexture(texture, screenWidth/2 - texture.width/2, screenHeight/2 - texture.height/2 - 40, WHITE); | |||||
DrawRectangleLines(screenWidth/2 - texture.width/2, screenHeight/2 - texture.height/2 - 40, texture.width, texture.height, DARKGRAY); | |||||
DrawText("We are drawing only one texture from various images composed!", 240, 350, 10, DARKGRAY); | |||||
DrawText("Source images have been cropped, scaled, flipped and copied one over the other.", 190, 370, 10, DARKGRAY); | |||||
EndDrawing(); | |||||
//---------------------------------------------------------------------------------- | |||||
} | |||||
// De-Initialization | |||||
//-------------------------------------------------------------------------------------- | |||||
UnloadTexture(texture); // Texture unloading | |||||
CloseWindow(); // Close window and OpenGL context | |||||
//-------------------------------------------------------------------------------------- | |||||
return 0; | |||||
} |
@ -0,0 +1,154 @@ | |||||
/******************************************************************************************* | |||||
* | |||||
* raylib [textures] example - Image processing | |||||
* | |||||
* NOTE: Images are loaded in CPU memory (RAM); textures are loaded in GPU memory (VRAM) | |||||
* | |||||
* This example has been created using raylib 1.4 (www.raylib.com) | |||||
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) | |||||
* | |||||
* Copyright (c) 2016 Ramon Santamaria (@raysan5) | |||||
* | |||||
********************************************************************************************/ | |||||
#include "raylib.h" | |||||
#include <stdlib.h> // Required for: free() | |||||
#define NUM_PROCESSES 8 | |||||
typedef enum { | |||||
NONE = 0, | |||||
COLOR_GRAYSCALE, | |||||
COLOR_TINT, | |||||
COLOR_INVERT, | |||||
COLOR_CONTRAST, | |||||
COLOR_BRIGHTNESS, | |||||
FLIP_VERTICAL, | |||||
FLIP_HORIZONTAL | |||||
} ImageProcess; | |||||
static const char *processText[] = { | |||||
"NO PROCESSING", | |||||
"COLOR GRAYSCALE", | |||||
"COLOR TINT", | |||||
"COLOR INVERT", | |||||
"COLOR CONTRAST", | |||||
"COLOR BRIGHTNESS", | |||||
"FLIP VERTICAL", | |||||
"FLIP HORIZONTAL" | |||||
}; | |||||
int main() | |||||
{ | |||||
// Initialization | |||||
//-------------------------------------------------------------------------------------- | |||||
int screenWidth = 800; | |||||
int screenHeight = 450; | |||||
InitWindow(screenWidth, screenHeight, "raylib [textures] example - image processing"); | |||||
// NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required) | |||||
Image image = LoadImage("resources/parrots.png"); // Loaded in CPU memory (RAM) | |||||
ImageFormat(&image, UNCOMPRESSED_R8G8B8A8); // Format image to RGBA 32bit (required for texture update) | |||||
Texture2D texture = LoadTextureFromImage(image); // Image converted to texture, GPU memory (VRAM) | |||||
int currentProcess = NONE; | |||||
bool textureReload = false; | |||||
Rectangle selectRecs[NUM_PROCESSES]; | |||||
for (int i = 0; i < NUM_PROCESSES; i++) selectRecs[i] = (Rectangle){ 40, 50 + 32*i, 150, 30 }; | |||||
SetTargetFPS(60); | |||||
//--------------------------------------------------------------------------------------- | |||||
// Main game loop | |||||
while (!WindowShouldClose()) // Detect window close button or ESC key | |||||
{ | |||||
// Update | |||||
//---------------------------------------------------------------------------------- | |||||
if (IsKeyPressed(KEY_DOWN)) | |||||
{ | |||||
currentProcess++; | |||||
if (currentProcess > 7) currentProcess = 0; | |||||
textureReload = true; | |||||
} | |||||
else if (IsKeyPressed(KEY_UP)) | |||||
{ | |||||
currentProcess--; | |||||
if (currentProcess < 0) currentProcess = 7; | |||||
textureReload = true; | |||||
} | |||||
if (textureReload) | |||||
{ | |||||
UnloadImage(image); // Unload current image data | |||||
image = LoadImage("resources/parrots.png"); // Re-load image data | |||||
// NOTE: Image processing is a costly CPU process to be done every frame, | |||||
// If image processing is required in a frame-basis, it should be done | |||||
// with a texture and by shaders | |||||
switch (currentProcess) | |||||
{ | |||||
case COLOR_GRAYSCALE: ImageColorGrayscale(&image); break; | |||||
case COLOR_TINT: ImageColorTint(&image, GREEN); break; | |||||
case COLOR_INVERT: ImageColorInvert(&image); break; | |||||
case COLOR_CONTRAST: ImageColorContrast(&image, -40); break; | |||||
case COLOR_BRIGHTNESS: ImageColorBrightness(&image, -80); break; | |||||
case FLIP_VERTICAL: ImageFlipVertical(&image); break; | |||||
case FLIP_HORIZONTAL: ImageFlipHorizontal(&image); break; | |||||
default: break; | |||||
} | |||||
Color *pixels = GetImageData(image); // Get pixel data from image (RGBA 32bit) | |||||
UpdateTexture(texture, pixels); // Update texture with new image data | |||||
free(pixels); // Unload pixels data from RAM | |||||
textureReload = false; | |||||
} | |||||
//---------------------------------------------------------------------------------- | |||||
// Draw | |||||
//---------------------------------------------------------------------------------- | |||||
BeginDrawing(); | |||||
ClearBackground(RAYWHITE); | |||||
DrawText("IMAGE PROCESSING:", 40, 30, 10, DARKGRAY); | |||||
// Draw rectangles | |||||
for (int i = 0; i < NUM_PROCESSES; i++) | |||||
{ | |||||
if (i == currentProcess) | |||||
{ | |||||
DrawRectangleRec(selectRecs[i], SKYBLUE); | |||||
DrawRectangleLines(selectRecs[i].x, selectRecs[i].y, selectRecs[i].width, selectRecs[i].height, BLUE); | |||||
DrawText(processText[i], selectRecs[i].x + selectRecs[i].width/2 - MeasureText(processText[i], 10)/2, selectRecs[i].y + 11, 10, DARKBLUE); | |||||
} | |||||
else | |||||
{ | |||||
DrawRectangleRec(selectRecs[i], LIGHTGRAY); | |||||
DrawRectangleLines(selectRecs[i].x, selectRecs[i].y, selectRecs[i].width, selectRecs[i].height, GRAY); | |||||
DrawText(processText[i], selectRecs[i].x + selectRecs[i].width/2 - MeasureText(processText[i], 10)/2, selectRecs[i].y + 11, 10, DARKGRAY); | |||||
} | |||||
} | |||||
DrawTexture(texture, screenWidth - texture.width - 60, screenHeight/2 - texture.height/2, WHITE); | |||||
DrawRectangleLines(screenWidth - texture.width - 60, screenHeight/2 - texture.height/2, texture.width, texture.height, BLACK); | |||||
EndDrawing(); | |||||
//---------------------------------------------------------------------------------- | |||||
} | |||||
// De-Initialization | |||||
//-------------------------------------------------------------------------------------- | |||||
UnloadTexture(texture); // Unload texture from VRAM | |||||
UnloadImage(image); // Unload image from RAM | |||||
CloseWindow(); // Close window and OpenGL context | |||||
//-------------------------------------------------------------------------------------- | |||||
return 0; | |||||
} |