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[Renderers/WinGDI] Working on Win32 GDI renderer and example (#344)

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Philosoph228 2025-04-09 04:31:33 +05:00 • committed by GitHub
parent a9e94e3be0
commit 87efc49f52
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5 changed files with 423 additions and 16 deletions
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15
examples/win32_gdi/CMakeLists.txt Normal file
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@ -0,0 +1,15 @@
cmake_minimum_required(VERSION 3.27)
project(win32_gdi C)
set(CMAKE_C_STANDARD 99)
add_executable(win32_gdi WIN32 main.c)
target_compile_options(win32_gdi PUBLIC)
target_include_directories(win32_gdi PUBLIC .)
add_custom_command(
TARGET win32_gdi POST_BUILD
COMMAND ${CMAKE_COMMAND} -E copy_directory
${CMAKE_CURRENT_SOURCE_DIR}/resources
${CMAKE_CURRENT_BINARY_DIR}/resources)

25
examples/win32_gdi/main.c
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@ -25,6 +25,14 @@ void CenterWindow(HWND hWnd);
long lastMsgTime = 0;
bool ui_debug_mode;
HFONT fonts[1];
#ifndef RECTWIDTH
#define RECTWIDTH(rc) ((rc).right - (rc).left)
#endif
#ifndef RECTHEIGHT
#define RECTHEIGHT(rc) ((rc).bottom - (rc).top)
#endif
LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
@ -113,7 +121,7 @@ LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
case WM_PAINT:
{
Clay_RenderCommandArray renderCommands = ClayVideoDemo_CreateLayout(&demo_data);
Clay_Win32_Render(hwnd, renderCommands);
Clay_Win32_Render(hwnd, renderCommands, fonts);
break;
}
@ -151,7 +159,12 @@ int APIENTRY WinMain(
uint64_t clayRequiredMemory = Clay_MinMemorySize();
Clay_Arena clayMemory = Clay_CreateArenaWithCapacityAndMemory(clayRequiredMemory, malloc(clayRequiredMemory));
Clay_Initialize(clayMemory, (Clay_Dimensions){.width = 800, .height = 600}, (Clay_ErrorHandler){HandleClayErrors}); // This final argument is new since the video was published
Clay_SetMeasureTextFunction(Clay_Win32_MeasureText, NULL);
Clay_Win32_SetRendererFlags(CLAYGDI_RF_ALPHABLEND | CLAYGDI_RF_SMOOTHCORNERS);
// Initialize clay fonts and text drawing
fonts[FONT_ID_BODY_16] = Clay_Win32_SimpleCreateFont("resources/Roboto-Regular.ttf", "Roboto", -11, FW_NORMAL);
Clay_SetMeasureTextFunction(Clay_Win32_MeasureText, fonts);
ZeroMemory(&wc, sizeof wc);
wc.hInstance = hInstance;
@ -165,6 +178,10 @@ int APIENTRY WinMain(
if (FALSE == RegisterClass(&wc))
return 0;
// Calculate window rectangle by given client size
// TODO: AdjustWindowRectExForDpi for DPI support
RECT rcWindow = { .right = 800, .bottom = 600 };
AdjustWindowRect(&rcWindow, WS_OVERLAPPEDWINDOW, FALSE);
hwnd = CreateWindow(
szAppName,
@ -172,8 +189,8 @@ int APIENTRY WinMain(
WS_OVERLAPPEDWINDOW | WS_VISIBLE,
CW_USEDEFAULT,
CW_USEDEFAULT,
800, // CW_USEDEFAULT,
600, // CW_USEDEFAULT,
RECTWIDTH(rcWindow), // CW_USEDEFAULT,
RECTHEIGHT(rcWindow), // CW_USEDEFAULT,
0,
0,
hInstance,

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examples/win32_gdi/resources/Roboto-Regular.ttf Normal file
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