-
-
Notifications
You must be signed in to change notification settings - Fork 3k
Expand file tree
/
Copy pathcore_highdpi_demo.c
More file actions
134 lines (111 loc) · 5.84 KB
/
core_highdpi_demo.c
File metadata and controls
134 lines (111 loc) · 5.84 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
/*******************************************************************************************
*
* raylib [core] example - highdpi demo
*
* Example complexity rating: [★★☆☆] 2/4
*
* Example originally created with raylib 5.0, last time updated with raylib 5.5
*
* Example contributed by Jonathan Marler (@marler8997) and reviewed by Ramon Santamaria (@raysan5)
*
* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
* BSD-like license that allows static linking with closed source software
*
* Copyright (c) 2025 Jonathan Marler (@marler8997)
*
********************************************************************************************/
#include "raylib.h"
//------------------------------------------------------------------------------------
// Module Functions Declaration
//------------------------------------------------------------------------------------
static void DrawTextCenter(const char *text, int x, int y, int fontSize, Color color);
//------------------------------------------------------------------------------------
// Program main entry point
//------------------------------------------------------------------------------------
int main(void)
{
// Initialization
//--------------------------------------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 450;
SetConfigFlags(FLAG_WINDOW_HIGHDPI | FLAG_WINDOW_RESIZABLE);
InitWindow(screenWidth, screenHeight, "raylib [core] example - highdpi demo");
SetWindowMinSize(450, 450);
int logicalGridDescY = 120;
int logicalGridLabelY = logicalGridDescY + 30;
int logicalGridTop = logicalGridLabelY + 30;
int logicalGridBottom = logicalGridTop + 80;
int pixelGridTop = logicalGridBottom - 20;
int pixelGridBottom = pixelGridTop + 80;
int pixelGridLabelY = pixelGridBottom + 30;
int pixelGridDescY = pixelGridLabelY + 30;
int cellSize = 50;
float cellSizePx = (float)cellSize;
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
//----------------------------------------------------------------------------------
int monitorCount = GetMonitorCount();
if ((monitorCount > 1) && IsKeyPressed(KEY_N))
{
SetWindowMonitor((GetCurrentMonitor() + 1)%monitorCount);
}
int currentMonitor = GetCurrentMonitor();
Vector2 dpiScale = GetWindowScaleDPI();
cellSizePx = ((float)cellSize)/dpiScale.x;
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
int windowCenter = GetScreenWidth()/2;
DrawTextCenter(TextFormat("Dpi Scale: %f", dpiScale.x), windowCenter, 30, 40, DARKGRAY);
DrawTextCenter(TextFormat("Monitor: %d/%d ([N] next monitor)", currentMonitor+1, monitorCount), windowCenter, 70, 20, LIGHTGRAY);
DrawTextCenter(TextFormat("Window is %d \"logical points\" wide", GetScreenWidth()), windowCenter, logicalGridDescY, 20, ORANGE);
bool odd = true;
for (int i = cellSize; i < GetScreenWidth(); i += cellSize, odd = !odd)
{
if (odd) DrawRectangle(i, logicalGridTop, cellSize, logicalGridBottom-logicalGridTop, ORANGE);
DrawTextCenter(TextFormat("%d", i), i, logicalGridLabelY, 10, LIGHTGRAY);
DrawLine(i, logicalGridLabelY + 10, i, logicalGridBottom, GRAY);
}
odd = true;
const int minTextSpace = 30;
int lastTextX = -minTextSpace;
for (int i = cellSize; i < GetRenderWidth(); i += cellSize, odd = !odd)
{
int x = (int)(((float)i)/dpiScale.x);
if (odd) DrawRectangle(x, pixelGridTop, (int)cellSizePx, pixelGridBottom - pixelGridTop, CLITERAL(Color){ 0, 121, 241, 100 });
DrawLine(x, pixelGridTop, (int)(((float)i)/dpiScale.x), pixelGridLabelY - 10, GRAY);
if ((x - lastTextX) >= minTextSpace)
{
DrawTextCenter(TextFormat("%d", i), x, pixelGridLabelY, 10, LIGHTGRAY);
lastTextX = x;
}
}
DrawTextCenter(TextFormat("Window is %d \"physical pixels\" wide", GetRenderWidth()), windowCenter, pixelGridDescY, 20, BLUE);
const char *text = "Can you see this?";
Vector2 size = MeasureTextEx(GetFontDefault(), text, 20, 3);
Vector2 pos = (Vector2){ GetScreenWidth() - size.x - 5, GetScreenHeight() - size.y - 5 };
DrawTextEx(GetFontDefault(), text, pos, 20, 3, LIGHTGRAY);
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}
//------------------------------------------------------------------------------------
// Module Functions Definition
//------------------------------------------------------------------------------------
static void DrawTextCenter(const char *text, int x, int y, int fontSize, Color color)
{
Vector2 size = MeasureTextEx(GetFontDefault(), text, (float)fontSize, 3);
Vector2 pos = (Vector2){ x - size.x/2, y - size.y/2 };
DrawTextEx(GetFontDefault(), text, pos, (float)fontSize, 3, color);
}