From 626ef8f9d28bdc51d01a68e327b25e92cbbffcac Mon Sep 17 00:00:00 2001
From: asdqwe <asdqwe@asdqwe.com>
Date: Wed, 20 Nov 2024 18:27:30 -0300
Subject: [PATCH] Add GetMonitorScale()

---
 src/platforms/rcore_android.c      |  7 +++++++
 src/platforms/rcore_desktop_glfw.c | 13 +++++++++++++
 src/platforms/rcore_desktop_rgfw.c |  7 +++++++
 src/platforms/rcore_desktop_sdl.c  |  7 +++++++
 src/platforms/rcore_drm.c          |  7 +++++++
 src/platforms/rcore_template.c     |  7 +++++++
 src/platforms/rcore_web.c          |  7 +++++++
 src/raylib.h                       |  1 +
 8 files changed, 56 insertions(+)

diff --git a/src/platforms/rcore_android.c b/src/platforms/rcore_android.c
index 47dc5cabc..bb74ac566 100644
--- a/src/platforms/rcore_android.c
+++ b/src/platforms/rcore_android.c
@@ -480,6 +480,13 @@ int GetMonitorRefreshRate(int monitor)
     return 0;
 }
 
+// Get specified monitor scale
+Vector2 GetMonitorScale(int monitor)
+{
+    TRACELOG(LOG_WARNING, "GetMonitorScale() not implemented on target platform");
+    return 0;
+}
+
 // Get the human-readable, UTF-8 encoded name of the selected monitor
 const char *GetMonitorName(int monitor)
 {
diff --git a/src/platforms/rcore_desktop_glfw.c b/src/platforms/rcore_desktop_glfw.c
index 5caf17ead..6a7afd293 100644
--- a/src/platforms/rcore_desktop_glfw.c
+++ b/src/platforms/rcore_desktop_glfw.c
@@ -921,6 +921,19 @@ int GetMonitorRefreshRate(int monitor)
     return refresh;
 }
 
+// Get specified monitor scale
+Vector2 GetMonitorScale(int monitor)
+{
+    Vector2 scale = { 1.0f, 1.0f };
+    int monitorCount = 0;
+    GLFWmonitor **monitors = glfwGetMonitors(&monitorCount);
+
+    if ((monitor >= 0) && (monitor < monitorCount)) glfwGetMonitorContentScale(monitors[monitor], &scale.x, &scale.y);
+    else TRACELOG(LOG_WARNING, "GLFW: Failed to find selected monitor");
+
+    return scale;
+}
+
 // Get the human-readable, UTF-8 encoded name of the selected monitor
 const char *GetMonitorName(int monitor)
 {
diff --git a/src/platforms/rcore_desktop_rgfw.c b/src/platforms/rcore_desktop_rgfw.c
index 1d3ddf60f..a7f858da2 100644
--- a/src/platforms/rcore_desktop_rgfw.c
+++ b/src/platforms/rcore_desktop_rgfw.c
@@ -629,6 +629,13 @@ int GetMonitorRefreshRate(int monitor)
     return 0;
 }
 
+// Get specified monitor scale
+Vector2 GetMonitorScale(int monitor)
+{
+    TRACELOG(LOG_WARNING, "GetMonitorScale() not implemented on target platform");
+    return 0;
+}
+
 // Get the human-readable, UTF-8 encoded name of the selected monitor
 const char *GetMonitorName(int monitor)
 {
diff --git a/src/platforms/rcore_desktop_sdl.c b/src/platforms/rcore_desktop_sdl.c
index 99de9af22..294fa7766 100644
--- a/src/platforms/rcore_desktop_sdl.c
+++ b/src/platforms/rcore_desktop_sdl.c
@@ -1036,6 +1036,13 @@ int GetMonitorRefreshRate(int monitor)
     return refresh;
 }
 
+// Get specified monitor scale
+Vector2 GetMonitorScale(int monitor)
+{
+    TRACELOG(LOG_WARNING, "GetMonitorScale() not implemented on target platform");
+    return 0;
+}
+
 // Get the human-readable, UTF-8 encoded name of the selected monitor
 const char *GetMonitorName(int monitor)
 {
diff --git a/src/platforms/rcore_drm.c b/src/platforms/rcore_drm.c
index e9a236868..6ca4711c0 100644
--- a/src/platforms/rcore_drm.c
+++ b/src/platforms/rcore_drm.c
@@ -466,6 +466,13 @@ int GetMonitorRefreshRate(int monitor)
     return refresh;
 }
 
+// Get specified monitor scale
+Vector2 GetMonitorScale(int monitor)
+{
+    TRACELOG(LOG_WARNING, "GetMonitorScale() not implemented on target platform");
+    return 0;
+}
+
 // Get the human-readable, UTF-8 encoded name of the selected monitor
 const char *GetMonitorName(int monitor)
 {
diff --git a/src/platforms/rcore_template.c b/src/platforms/rcore_template.c
index 891c4ab34..966b88b54 100644
--- a/src/platforms/rcore_template.c
+++ b/src/platforms/rcore_template.c
@@ -257,6 +257,13 @@ int GetMonitorRefreshRate(int monitor)
     return 0;
 }
 
+// Get specified monitor scale
+Vector2 GetMonitorScale(int monitor)
+{
+    TRACELOG(LOG_WARNING, "GetMonitorScale() not implemented on target platform");
+    return 0;
+}
+
 // Get the human-readable, UTF-8 encoded name of the selected monitor
 const char *GetMonitorName(int monitor)
 {
diff --git a/src/platforms/rcore_web.c b/src/platforms/rcore_web.c
index 859b2c1f3..78bb95903 100644
--- a/src/platforms/rcore_web.c
+++ b/src/platforms/rcore_web.c
@@ -751,6 +751,13 @@ int GetMonitorRefreshRate(int monitor)
     return 0;
 }
 
+// Get specified monitor scale
+Vector2 GetMonitorScale(int monitor)
+{
+    TRACELOG(LOG_WARNING, "GetMonitorScale() not implemented on target platform");
+    return 0;
+}
+
 // Get the human-readable, UTF-8 encoded name of the selected monitor
 const char *GetMonitorName(int monitor)
 {
diff --git a/src/raylib.h b/src/raylib.h
index a26b8ce6b..dd4ad2386 100644
--- a/src/raylib.h
+++ b/src/raylib.h
@@ -1006,6 +1006,7 @@ RLAPI int GetMonitorHeight(int monitor);                          // Get specifi
 RLAPI int GetMonitorPhysicalWidth(int monitor);                   // Get specified monitor physical width in millimetres
 RLAPI int GetMonitorPhysicalHeight(int monitor);                  // Get specified monitor physical height in millimetres
 RLAPI int GetMonitorRefreshRate(int monitor);                     // Get specified monitor refresh rate
+RLAPI Vector2 GetMonitorScale(int monitor);                       // Get specified monitor scale
 RLAPI Vector2 GetWindowPosition(void);                            // Get window position XY on monitor
 RLAPI Vector2 GetWindowScaleDPI(void);                            // Get window scale DPI factor
 RLAPI const char *GetMonitorName(int monitor);                    // Get the human-readable, UTF-8 encoded name of the specified monitor