added: zig_glfw_opengl3_image_load example

changed: Icon png : icon_qr_my_github_red.png
added: HIDE_CONSOLE_WINDOW option
fixed: Buffer Overwrite bug
refactor: etc

.gitignore

@@ -1,3 +1,4 @@
+ImageSaved*
 zig-out/
 .zig-out/
 zig-cache/

Makefile

@@ -1,11 +1,13 @@
 # All example are built at a time.
-EXAMPLE_DIRS :=	examples/glfw_opengl3 \
-	              examples/glfw_opengl3_image_load \
-	              examples/glfw_opengl3_image_save \
-	              examples/glfw_opengl3_jp \
-	              examples/sdl2_opengl3 \
-	              examples/sdl3_opengl3 \
-	              examples/zig_glfw_opengl3
+EXAMPLE_DIRS := \
+							examples/zig_glfw_opengl3 \
+							examples/zig_glfw_opengl3_image_load \
+							examples/glfw_opengl3 \
+	            examples/glfw_opengl3_image_load \
+	            examples/glfw_opengl3_image_save \
+	            examples/glfw_opengl3_jp \
+	            examples/sdl2_opengl3 \
+	            examples/sdl3_opengl3
 
 all:
 	$(foreach exdir,$(EXAMPLE_DIRS), $(call def_make,$(exdir),$@ ))

README.md

@@ -5,6 +5,7 @@
   - [Prerequisites](#prerequisites)
   - [Build and run](#build-and-run)
   - [Examples screen shots](#examples-screen-shots)
+  - [Hiding console window](#hiding-console-window)
   - [Regenarate ImGui bindings](#regenarate-imgui-bindings)
   - [Build with Clang, Zig cc](#build-with-clang-zig-cc)
   - [My tools version](#my-tools-version)
@@ -14,7 +15,7 @@
 
 # Dear_Bindings_Build
 
-This project aims to easily build ImGui examples with **C language** and **Zig language** using [Dear_Bindings](https://github.com/dearimgui/dear_bindings).
+This project aims to easily build ImGui examples with **C language** and **Zig language** using [Dear_Bindings](https://github.com/dearimgui/dear_bindings) and ImGui.
 
 ImGui version **1.90.8 WIP** (2024/05)
 
@@ -69,10 +70,41 @@ ImGui version **1.90.8 WIP** (2024/05)
 - [glfw_opengl3_image_save](examples/glfw_opengl3_image_save)  
 ![alt](img/glfw_opengl3_image_save.png)
 
+
+## Hiding console window
+
+---
+
+- Zig lang. examples  
+Open `build.zig` in each example folder and **enable** option line as follows,
+
+  ```zig
+  ... snip ...
+  exe.subsystem = .Windows;  // Hide console window
+  ... snip ...
+  ```
+
+  and execute `make`.
+
+
+- C lang. examples  
+Open `Makefile` in each example folder and **change** option as follows,
+
+  ```Makefile
+  ... snip ...
+  HIDE_CONSOLE_WINDOW = true
+  ... snip ...
+  ```
+
+  and execute `make`.
+
+
 ## Regenarate ImGui bindings
 
 ---
 
+For instance,
+
 ```sh
 pwd 
 glfw_opengl3
@@ -95,6 +127,8 @@ glfw_opengl3
 make TC=clang    # or TC=zigcc
 ```
 
+Note: Except Zig lang. examples.
+
 ## My tools version
 
 ---

examples/compile_flags.txt

@@ -0,0 +1,35 @@
+-I../libs/sdl/SDL2-2.30.3/i686-w64-mingw32/include/SDL2
+-I../libs/sdl/sdl3/32/SDL3-2024-06-02/SDL3/include
+
+-Wno-stringop-overflow
+-DCIMGUI_USE_GLFW
+-DCIMGUI_USE_OPENGL3
+-I../libs/glfw/glfw-3.3.9.bin.WIN32/include
+-I../libs/glfw/glfw-3.3.9.bin.WIN64/include
+-static
+-Wall
+-Wno-unused-function
+-O2
+-Ilibs/cimgui
+-I../libs/imgui
+-I.
+-I../libs/imgui/backends
+-Iutils
+-Iutils/fonticon
+-I../libs/stb
+-DCIMGUI_DEFINE_ENUMS_AND_STRUCTS
+-DIMGUI_DISABLE_OBSOLETE_FUNCTIONS=1
+-DImDrawIdx=unsigned int
+-DIMGUI_ENABLE_WIN32_DEFAULT_IME_FUNCTIONS
+-fno-exceptions
+-fno-rtti
+-std=c++11
+
+
+# See
+# clangdで別ディレクトリのヘッダーを指定したい
+#  https://qiita.com/sudo00/items/99d9619de38574830f65
+#
+# Compiledb
+#  https://github.com/nickdiego/compiledb
+#    $ compiledb make

examples/glfw_opengl3/Makefile

@@ -1,4 +1,7 @@
 STATIC_GLFW = true
+
+HIDE_CONSOLE_WINDOW = false
+
 include ../arc.mk
 include ../glfw_opengl3.mk
 include ../makefile.common.mk

examples/glfw_opengl3/glfw_opengl3.c

@@ -1,6 +1,7 @@
+#include <stdio.h>
+
 #include "cimgui.h"
 #include <GLFW/glfw3.h>
-#include <stdio.h>
 
 #include "cimgui_impl_glfw.h"
 #include "cimgui_impl_opengl3.h"
@@ -58,7 +59,7 @@ int main(int argc, char *argv[]) {
   bool showAnotherWindow = false;
   ImVec4 clearColor = {.x = 0.25f, .y = 0.55f, .z = 0.90f, .w = 1.00f};
   char sBuf[200];
-  for (int i = 0; i<sizeof(sBuf); i++) {
+  for (int i = 0; i < sizeof(sBuf); i++) {
     sBuf[i] = '\0';
   }
 

examples/glfw_opengl3_image_load/Makefile

@@ -1,6 +1,9 @@
 STATIC_GLFW = true
+
+HIDE_CONSOLE_WINDOW = false
+
 include ../arc.mk
 include ../glfw_opengl3.mk
 include ../makefile.common.mk
 
-gen: $(CIMGUI_ROOT) gencimgui impl_opengl3 impl_glfw
+gen: $(CIMGUI_DIR) gencimgui impl_opengl3 impl_glfw

examples/glfw_opengl3_image_load/glfw_opengl3_image_load.c

@@ -12,7 +12,7 @@
 #include "stb_image.h"
 
 GLFWwindow *window;
-uint8_t* pIconData;  // == 0,  Memory pointer for icon.
+unsigned char* pIconData;  // == 0,  Memory pointer for icon.
 
 int main(int argc, char *argv[]) {
   (void)argc; (void) argv;
@@ -41,7 +41,7 @@ int main(int argc, char *argv[]) {
   glfwSwapInterval(1);  // Enable Vsync
 
   // Load title bar icon
-  const char* IconName = "icon_qr_my_github.png";
+  const char* IconName = "icon_qr_my_github_red.png";
   pIconData = LoadTitleBarIcon(window, IconName);
 
   printf("opengl version: %s\n", (char *)glGetString(GL_VERSION));
@@ -69,7 +69,7 @@ int main(int argc, char *argv[]) {
   }
 
   ImGui_StyleColorsDark(NULL);
-  //  ImGui_StyleColorsClassic(NULL);
+  // ImGui_StyleColorsClassic(NULL);
 
   setupFonts();
 

examples/glfw_opengl3_image_save/Makefile

@@ -1,4 +1,7 @@
 STATIC_GLFW = true
+
+HIDE_CONSOLE_WINDOW = false
+
 include ../arc.mk
 include ../glfw_opengl3.mk
 include ../makefile.common.mk

examples/glfw_opengl3_image_save/glfw_opengl3_image_save.c

@@ -1,7 +1,7 @@
-#include "cimgui.h"
 #include <GLFW/glfw3.h>
 #include <stdio.h>
 
+#include "cimgui.h"
 #include "cimgui_impl_glfw.h"
 #include "cimgui_impl_opengl3.h"
 
@@ -90,7 +90,7 @@ int main(int argc, char *argv[]) {
   bool showDemoWindow = true;
   bool showAnotherWindow = false;
   ImVec4 clearColor = {.x = 0.25f, .y = 0.55f, .z = 0.90f, .w = 1.00f};
-  char sBuf[200];
+  char sBuf[1024];
   for (int i = 0; i<sizeof(sBuf); i++) {
     sBuf[i] = '\0';
   }
@@ -113,7 +113,8 @@ int main(int argc, char *argv[]) {
     {
       static float fVal = 0.0f;
       static int counter = 0;
-      char svName[100];
+      char svName[1024];
+      char sTooltipBuf[1024];
       if (ImGui_Begin(ICON_FA_THUMBS_UP" " "ImGui: Dear_Bindings", NULL, 0)) {
         ImGui_Text(ICON_FA_COMMENT" " "GLFW v"); ImGui_SameLine();
         ImGui_Text("%s" , glfwGetVersionString());
@@ -150,8 +151,8 @@ int main(int argc, char *argv[]) {
         ImGui_PopID();
 
       //#-- Show tooltip help
-      snprintf(sBuf, sizeof(sBuf), "Save to \"%s\"", svName);
-      setTooltip(sBuf);
+      snprintf(sTooltipBuf, sizeof(sTooltipBuf), "Save to \"%s\"", svName);
+      setTooltip(sTooltipBuf);
       counter++;
 
       ImGui_SameLine();

examples/glfw_opengl3_jp/Makefile

@@ -1,6 +1,9 @@
 STATIC_GLFW = true
+
+HIDE_CONSOLE_WINDOW = false
+
 include ../arc.mk
 include ../glfw_opengl3.mk
 include ../makefile.common.mk
 
-gen: $(CIMGUI_ROOT) gencimgui impl_opengl3 impl_glfw
+gen: $(CIMGUI_DIR) gencimgui impl_opengl3 impl_glfw

examples/glfw_opengl3_jp/glfw_opengl3_jp.c

@@ -1,13 +1,12 @@
-#include "cimgui.h"
 #include <GLFW/glfw3.h>
 #include <stdio.h>
 
+#include "cimgui.h"
 #include "cimgui_impl_glfw.h"
 #include "cimgui_impl_opengl3.h"
 
 #include "setupFonts.h"
 
-
 GLFWwindow *window;
 
 int main(int argc, char *argv[]) {
@@ -59,11 +58,11 @@ int main(int argc, char *argv[]) {
   bool showAnotherWindow = false;
   ImVec4 clearColor = {.x = 0.25f, .y = 0.55f, .z = 0.90f, .w = 1.00f};
   char sBuf[200];
-  for (int i = 0; i<sizeof(sBuf); i++) {
+  for (int i = 0; i < sizeof(sBuf); i++) {
     sBuf[i] = '\0';
   }
 
-  //ImGui_StyleColorsClassic(NULL);
+  // ImGui_StyleColorsClassic(NULL);
   ImGui_StyleColorsDark(NULL);
 
   setupFonts();
@@ -87,7 +86,7 @@ int main(int argc, char *argv[]) {
         ImGui_Text("%s", glfwGetVersionString());
         ImGui_Text(ICON_FA_COMMENT" " "OpenGL v"); ImGui_SameLine();
         ImGui_Text("%s", (char *)glGetString(GL_VERSION));
-        ImGui_InputTextWithHint("テキスト入力","ここへ入力", sBuf, sizeof(sBuf), 0);
+        ImGui_InputTextWithHint("テキスト入力", "ここへ入力", sBuf, sizeof(sBuf), 0);
         ImGui_Text("入力結果:"); ImGui_SameLine(); ImGui_Text("%s", sBuf);
         ImGui_Checkbox("デモ・ウインドウ", &showDemoWindow);
         ImGui_Checkbox("その他のウインドウ", &showAnotherWindow);

examples/makefile.common.mk

@@ -105,6 +105,11 @@ DEPS_CIMGUI = $(CIMGUI_DIR)/cimgui.h
 DEPS_OTHER  = $(wildcard *.h) $(wildcard $(UTILS_DIR)/*.h)
 DEPS_PROJ   = $(wildcard *.h)
 
+# Hide console winodw
+ifeq ($(HIDE_CONSOLE_WINDOW),true)
+	LDFLAGS += -mwindows
+endif
+
 CXXFLAGS += $(CFLAGS)
 CXXFLAGS += -fno-exceptions -fno-rtti -std=c++11
 LDFLAGS += -L$(CIMGUI_ARCHIVE_DIR)
@@ -114,6 +119,9 @@ MAKE_DIRS = $(BUILD_DIR)        \
  	          $(CIMGUI_BUILD_DIR) \
    	        $(OTHER_OBJ_DIR)
 
+
+
+
 all: $(MAKE_DIRS) $(LIB_CIMGUI_ARCHIVE) $(TARGET)$(EXE) afterbuild
 lib: $(LIB_CIMGUI_ARCHIVE)
 afterbuild:

examples/sdl2_opengl3/Makefile

@@ -8,6 +8,8 @@ LDFLAGS += -lkernel32 -luser32 -lgdi32 -lwinspool -lshell32 -lole32 -loleaut32
 LDFLAGS += -luuid -lcomdlg32 -ladvapi32 -lsetupapi -lhid -lversion
 LDFLAGS += -lws2_32 -ldinput8 -ldxguid -ldxerr8  -lwinmm
 
+HIDE_CONSOLE_WINDOW = false
+
 include ../makefile.common.mk
 
-gen: $(CIMGUI_ROOT) gencimgui impl_opengl3 impl_sdl2
+gen: $(CIMGUI_DIR) gencimgui impl_opengl3 impl_sdl2

examples/sdl2_opengl3/sdl2_opengl3.c

@@ -7,14 +7,15 @@
 // - Documentation        https://dearimgui.com/docs (same as your local docs/ folder).
 // - Introduction, links and more at the top of imgui.cpp
 
-#include "cimgui.h"
-#include "cimgui_impl_sdl2.h"
-#include "cimgui_impl_opengl3.h"
 #include <stdio.h>
 #define SDL_MAIN_HANDLED
 #include <SDL.h>
 #include <SDL_opengl.h>
 
+#include "cimgui.h"
+#include "cimgui_impl_sdl2.h"
+#include "cimgui_impl_opengl3.h"
+
 #include "setupFonts.h"
 
 #define nullptr NULL
@@ -23,7 +24,7 @@ const int MainWinWidth = 1024;
 const int MainWinHeight = 800;
 
 // Main code
-int main(int argc, char *argv[]){
+int main(int argc, char *argv[]) {
   (void)argc; (void) argv;
   // Setup SDL
   if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_GAMECONTROLLER) != 0) {
@@ -144,7 +145,7 @@ int main(int argc, char *argv[]){
       }
     }
     if (showAnotherWindow) {
-      ImGui_Begin("Another Window", &showAnotherWindow,0);   // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked)
+      ImGui_Begin("Another Window", &showAnotherWindow, 0);   // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked)
       ImGui_Text("Hello from another window!");
       if (ImGui_Button("Close Me"))
         showAnotherWindow = false;

examples/sdl3_opengl3/Makefile

@@ -10,6 +10,10 @@ LDFLAGS += -luuid -lcomdlg32 -ladvapi32 -lsetupapi -lhid -lversion
 LDFLAGS += -lws2_32 -ldinput8 -ldxguid -ldxerr8  -lwinmm
 
 AFTER_BUILD = @cp -u $(SDL3_DIR)/bin/SDL3.dll .
+
+# TODO no effect ?
+HIDE_CONSOLE_WINDOW = true
+
 include ../makefile.common.mk
 
-gen: $(CIMGUI_ROOT) gencimgui impl_opengl3 impl_sdl3
+gen: $(CIMGUI_DIR) gencimgui impl_opengl3 impl_sdl3

examples/sdl3_opengl3/sdl3_opengl3.c

@@ -1,18 +1,10 @@
-// Dear ImGui: standalone example application for SDL2 + OpenGL
-// (SDL is a cross-platform general purpose library for handling windows, inputs, OpenGL/Vulkan/Metal graphics context creation, etc.)
-
-// Learn about Dear ImGui:
-// - FAQ                  https://dearimgui.com/faq
-// - Getting Started      https://dearimgui.com/getting-started
-// - Documentation        https://dearimgui.com/docs (same as your local docs/ folder).
-// - Introduction, links and more at the top of imgui.cpp
+#include <stdio.h>
+#include <SDL3/SDL.h>
+#include <SDL3/SDL_opengl.h>
 
 #include "cimgui.h"
 #include "cimgui_impl_sdl3.h"
 #include "cimgui_impl_opengl3.h"
-#include <stdio.h>
-#include <SDL3/SDL.h>
-#include <SDL3/SDL_opengl.h>
 
 #include "setupFonts.h"