Merge 23863edde0 into 902ff3b0a9

Author:    peterc-s <pjcsmail@gmail.com>

CMakeLists.txt

@@ -1,6 +1,8 @@
 cmake_minimum_required(VERSION 3.27)
 project(clay)
 
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
+
 add_subdirectory("examples/cpp-project-example")
 
 # Don't try to compile C99 projects using MSVC

clay.h

@@ -134,7 +134,7 @@ CLAY__ALIGNMENT_STRUCT(bool);
 CLAY__ALIGNMENT_STRUCT(uint8_t);
 CLAY__ALIGNMENT_STRUCT(int32_t);
 
-#ifdef _MSC_VER
+#if defined(_MSC_VER) && !defined(__clang__)
 #define CLAY_PACKED_ENUM __pragma(pack(push, 1)) enum __pragma(pack(pop))
 #else
 #define CLAY_PACKED_ENUM enum __attribute__((__packed__))

cmake/FindCairo.cmake

@@ -0,0 +1,32 @@
+# Defines:
+#  CAIRO_FOUND        - System has Cairo
+#  CAIRO_INCLUDE_DIRS - Cairo include directories
+#  CAIRO_LIBRARY      - Cairo library
+#  Cairo::Cairo       - Imported target
+
+find_path(CAIRO_INCLUDE_DIRS
+        NAMES cairo/cairo.h
+        PATHS ${CAIRO_ROOT_DIR}
+        PATH_SUFFIXES include
+)
+
+find_library(CAIRO_LIBRARY
+        NAMES cairo
+        PATHS ${CAIRO_ROOT_DIR}
+        PATH_SUFFIXES lib lib64
+)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(Cairo
+        REQUIRED_VARS CAIRO_LIBRARY CAIRO_INCLUDE_DIRS
+)
+
+if(Cairo_FOUND AND NOT TARGET Cairo::Cairo)
+    add_library(Cairo::Cairo UNKNOWN IMPORTED)
+    set_target_properties(Cairo::Cairo PROPERTIES
+            IMPORTED_LOCATION "${CAIRO_LIBRARY}"
+            INTERFACE_INCLUDE_DIRECTORIES "${CAIRO_INCLUDE_DIRS}"
+    )
+endif()
+
+mark_as_advanced(CAIRO_INCLUDE_DIRS CAIRO_LIBRARY)

examples/cairo-pdf-rendering/CMakeLists.txt

@@ -2,13 +2,17 @@ cmake_minimum_required(VERSION 3.27)
 project(clay_examples_cairo_pdf_rendering C)
 set(CMAKE_C_STANDARD 99)
 
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../../cmake")
+
+
 add_executable(clay_examples_cairo_pdf_rendering main.c)
 
+find_package(Cairo REQUIRED)
+
 target_compile_options(clay_examples_cairo_pdf_rendering PUBLIC)
-target_include_directories(clay_examples_cairo_pdf_rendering PUBLIC .)
+target_include_directories(clay_examples_cairo_pdf_rendering PUBLIC . ${CAIRO_INCLUDE_DIRS})
-
-target_link_libraries(clay_examples_cairo_pdf_rendering PUBLIC cairo)
 
+target_link_libraries(clay_examples_cairo_pdf_rendering PUBLIC Cairo::Cairo)
 set(CMAKE_C_FLAGS_DEBUG "-Wall -Werror -Wno-error=missing-braces")
 set(CMAKE_C_FLAGS_RELEASE "-O3")
 

examples/cpp-project-example/CMakeLists.txt

@@ -8,5 +8,5 @@ add_executable(clay_examples_cpp_project_example main.cpp)
 
 target_include_directories(clay_examples_cpp_project_example PUBLIC .)
 
-set(CMAKE_C_FLAGS_DEBUG "-Werror -Wall -Wno-error=missing-braces")
+set(CMAKE_CXX_FLAGS_DEBUG "-Werror -Wall -Wno-error=missing-braces")
-set(CMAKE_C_FLAGS_RELEASE "-O3")
+set(CMAKE_CXX_FLAGS_RELEASE "-O3")

examples/introducing-clay-video-demo/main.c

@@ -1,6 +1,7 @@
 #define CLAY_IMPLEMENTATION
 #include "../../clay.h"
-#include "../../renderers/raylib/clay_renderer_raylib.c"
+#define CLAY_RAYLIB_IMPLEMENTATION // This is different to the video, the raylib renderer is now in a header file
+#include "../../renderers/raylib/clay_renderer_raylib.h"
 
 const int FONT_ID_BODY_16 = 0;
 Clay_Color COLOR_WHITE = { 255, 255, 255, 255};

examples/raylib-sidebar-scrolling-container/main.c

@@ -1,6 +1,7 @@
 #define CLAY_IMPLEMENTATION
 #include "../../clay.h"
-#include "../../renderers/raylib/clay_renderer_raylib.c"
+#define CLAY_RAYLIB_IMPLEMENTATION
+#include "../../renderers/raylib/clay_renderer_raylib.h"
 
 const uint32_t FONT_ID_BODY_24 = 0;
 const uint32_t FONT_ID_BODY_16 = 1;

renderers/raylib/clay_renderer_raylib.h

@@ -1,3 +1,6 @@
+#ifndef CLAY_RENDERER_RAYLIB_H
+#define CLAY_RENDERER_RAYLIB_H
+
 #include "raylib.h"
 #include "raymath.h"
 #include "stdint.h"
@@ -14,8 +17,6 @@ typedef struct
     Font font;
 } Raylib_Font;
 
-Raylib_Font Raylib_fonts[10];
-Camera Raylib_camera;
 
 typedef enum
 {
@@ -38,6 +39,14 @@ typedef struct
     };
 } CustomLayoutElement;
 
+#ifdef CLAY_RAYLIB_IMPLEMENTATION
+#undef CLAY_RAYLIB_IMPLEMENTATION
+
+// Global state
+Raylib_Font Raylib_fonts[10];
+Camera Raylib_camera;
+uint32_t measureCalls = 0;
+
 // Get a ray trace from the screen position (i.e mouse) within a specific section of the screen
 Ray GetScreenToWorldPointWithZDistance(Vector2 position, Camera camera, int screenWidth, int screenHeight, float zDistance)
 {
@@ -87,8 +96,6 @@ Ray GetScreenToWorldPointWithZDistance(Vector2 position, Camera camera, int scre
     return ray;
 }
 
-uint32_t measureCalls = 0;
-
 static inline Clay_Dimensions Raylib_MeasureText(Clay_String *text, Clay_TextElementConfig *config) {
     measureCalls++;
     // Measure string size for Font
@@ -122,6 +129,7 @@ static inline Clay_Dimensions Raylib_MeasureText(Clay_String *text, Clay_TextEle
 }
 
 void Clay_Raylib_Initialize(int width, int height, const char *title, unsigned int flags) {
+    measureCalls = 0;
     SetConfigFlags(flags);
     InitWindow(width, height, title);
 //    EnableEventWaiting();
@@ -231,3 +239,6 @@ void Clay_Raylib_Render(Clay_RenderCommandArray renderCommands)
         }
     }
 }
+
+#endif // CLAY_RAYLIB_IMPLEMENTATION
+#endif // CLAY_RENDERER_RAYLIB_H