1/*******************************************************************************************
2*
3* raylib [textures] example - N-patch drawing
4*
5* NOTE: Images are loaded in CPU memory (RAM); textures are loaded in GPU memory (VRAM)
6*
7* This example has been created using raylib 2.0 (www.raylib.com)
8* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
9*
10* Example contributed by Jorge A. Gomes (@overdev) and reviewed by Ramon Santamaria (@raysan5)
11*
12* Copyright (c) 2018 Jorge A. Gomes (@overdev) and Ramon Santamaria (@raysan5)
13*
14********************************************************************************************/
15
16#include "raylib.h"
17
18int main(void)
19{
20 // Initialization
21 //--------------------------------------------------------------------------------------
22 const int screenWidth = 800;
23 const int screenHeight = 450;
24
25 InitWindow(screenWidth, screenHeight, "raylib [textures] example - N-patch drawing");
26
27 // NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)
28 Texture2D nPatchTexture = LoadTexture("resources/ninepatch_button.png");
29
30 Vector2 mousePosition = { 0 };
31 Vector2 origin = { 0.0f, 0.0f };
32
33 // Position and size of the n-patches
34 Rectangle dstRec1 = { 480.0f, 160.0f, 32.0f, 32.0f };
35 Rectangle dstRec2 = { 160.0f, 160.0f, 32.0f, 32.0f };
36 Rectangle dstRecH = { 160.0f, 93.0f, 32.0f, 32.0f };
37 Rectangle dstRecV = { 92.0f, 160.0f, 32.0f, 32.0f };
38
39 // A 9-patch (NPT_9PATCH) changes its sizes in both axis
40 NPatchInfo ninePatchInfo1 = { (Rectangle){ 0.0f, 0.0f, 64.0f, 64.0f }, 12, 40, 12, 12, NPT_9PATCH };
41 NPatchInfo ninePatchInfo2 = { (Rectangle){ 0.0f, 128.0f, 64.0f, 64.0f }, 16, 16, 16, 16, NPT_9PATCH };
42
43 // A horizontal 3-patch (NPT_3PATCH_HORIZONTAL) changes its sizes along the x axis only
44 NPatchInfo h3PatchInfo = { (Rectangle){ 0.0f, 64.0f, 64.0f, 64.0f }, 8, 8, 8, 8, NPT_3PATCH_HORIZONTAL };
45
46 // A vertical 3-patch (NPT_3PATCH_VERTICAL) changes its sizes along the y axis only
47 NPatchInfo v3PatchInfo = { (Rectangle){ 0.0f, 192.0f, 64.0f, 64.0f }, 6, 6, 6, 6, NPT_3PATCH_VERTICAL };
48
49 SetTargetFPS(60);
50 //---------------------------------------------------------------------------------------
51
52 // Main game loop
53 while (!WindowShouldClose()) // Detect window close button or ESC key
54 {
55 // Update
56 //----------------------------------------------------------------------------------
57 mousePosition = GetMousePosition();
58
59 // Resize the n-patches based on mouse position
60 dstRec1.width = mousePosition.x - dstRec1.x;
61 dstRec1.height = mousePosition.y - dstRec1.y;
62 dstRec2.width = mousePosition.x - dstRec2.x;
63 dstRec2.height = mousePosition.y - dstRec2.y;
64 dstRecH.width = mousePosition.x - dstRecH.x;
65 dstRecV.height = mousePosition.y - dstRecV.y;
66
67 // Set a minimum width and/or height
68 if (dstRec1.width < 1.0f) dstRec1.width = 1.0f;
69 if (dstRec1.width > 300.0f) dstRec1.width = 300.0f;
70 if (dstRec1.height < 1.0f) dstRec1.height = 1.0f;
71 if (dstRec2.width < 1.0f) dstRec2.width = 1.0f;
72 if (dstRec2.width > 300.0f) dstRec2.width = 300.0f;
73 if (dstRec2.height < 1.0f) dstRec2.height = 1.0f;
74 if (dstRecH.width < 1.0f) dstRecH.width = 1.0f;
75 if (dstRecV.height < 1.0f) dstRecV.height = 1.0f;
76 //----------------------------------------------------------------------------------
77
78 // Draw
79 //----------------------------------------------------------------------------------
80 BeginDrawing();
81
82 ClearBackground(RAYWHITE);
83
84 // Draw the n-patches
85 DrawTextureNPatch(nPatchTexture, ninePatchInfo2, dstRec2, origin, 0.0f, WHITE);
86 DrawTextureNPatch(nPatchTexture, ninePatchInfo1, dstRec1, origin, 0.0f, WHITE);
87 DrawTextureNPatch(nPatchTexture, h3PatchInfo, dstRecH, origin, 0.0f, WHITE);
88 DrawTextureNPatch(nPatchTexture, v3PatchInfo, dstRecV, origin, 0.0f, WHITE);
89
90 // Draw the source texture
91 DrawRectangleLines(5, 88, 74, 266, BLUE);
92 DrawTexture(nPatchTexture, 10, 93, WHITE);
93 DrawText("TEXTURE", 15, 360, 10, DARKGRAY);
94
95 DrawText("Move the mouse to stretch or shrink the n-patches", 10, 20, 20, DARKGRAY);
96
97 EndDrawing();
98 //----------------------------------------------------------------------------------
99 }
100
101 // De-Initialization
102 //--------------------------------------------------------------------------------------
103 UnloadTexture(nPatchTexture); // Texture unloading
104
105 CloseWindow(); // Close window and OpenGL context
106 //--------------------------------------------------------------------------------------
107
108 return 0;
109}
110