mirror of
https://github.com/Drezil/imgui.git
synced 2025-07-04 20:18:47 +02:00
Added OpenGL and DirectX9 example applications
This commit is contained in:
ocornut
20
examples/directx9_example/directx9_example.sln
Normal file
20
examples/directx9_example/directx9_example.sln
Normal file
@ -0,0 +1,20 @@
|
||||
|
||||
Microsoft Visual Studio Solution File, Format Version 11.00
|
||||
# Visual Studio 2010
|
||||
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "directx9_example", "directx9_example.vcxproj", "{4165A294-21F2-44CA-9B38-E3F935ABADF5}"
|
||||
EndProject
|
||||
Global
|
||||
GlobalSection(SolutionConfigurationPlatforms) = preSolution
|
||||
Debug|Win32 = Debug|Win32
|
||||
Release|Win32 = Release|Win32
|
||||
EndGlobalSection
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||||
GlobalSection(ProjectConfigurationPlatforms) = postSolution
|
||||
{4165A294-21F2-44CA-9B38-E3F935ABADF5}.Debug|Win32.ActiveCfg = Debug|Win32
|
||||
{4165A294-21F2-44CA-9B38-E3F935ABADF5}.Debug|Win32.Build.0 = Debug|Win32
|
||||
{4165A294-21F2-44CA-9B38-E3F935ABADF5}.Release|Win32.ActiveCfg = Release|Win32
|
||||
{4165A294-21F2-44CA-9B38-E3F935ABADF5}.Release|Win32.Build.0 = Release|Win32
|
||||
EndGlobalSection
|
||||
GlobalSection(SolutionProperties) = preSolution
|
||||
HideSolutionNode = FALSE
|
||||
EndGlobalSection
|
||||
EndGlobal
|
||||
87
examples/directx9_example/directx9_example.vcxproj
Normal file
87
examples/directx9_example/directx9_example.vcxproj
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@ -0,0 +1,87 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
|
||||
<ItemGroup Label="ProjectConfigurations">
|
||||
<ProjectConfiguration Include="Debug|Win32">
|
||||
<Configuration>Debug</Configuration>
|
||||
<Platform>Win32</Platform>
|
||||
</ProjectConfiguration>
|
||||
<ProjectConfiguration Include="Release|Win32">
|
||||
<Configuration>Release</Configuration>
|
||||
<Platform>Win32</Platform>
|
||||
</ProjectConfiguration>
|
||||
</ItemGroup>
|
||||
<PropertyGroup Label="Globals">
|
||||
<ProjectGuid>{4165A294-21F2-44CA-9B38-E3F935ABADF5}</ProjectGuid>
|
||||
<RootNamespace>directx9_example</RootNamespace>
|
||||
</PropertyGroup>
|
||||
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
|
||||
<ConfigurationType>Application</ConfigurationType>
|
||||
<UseDebugLibraries>true</UseDebugLibraries>
|
||||
<CharacterSet>Unicode</CharacterSet>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
|
||||
<ConfigurationType>Application</ConfigurationType>
|
||||
<UseDebugLibraries>false</UseDebugLibraries>
|
||||
<WholeProgramOptimization>true</WholeProgramOptimization>
|
||||
<CharacterSet>Unicode</CharacterSet>
|
||||
</PropertyGroup>
|
||||
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
|
||||
<ImportGroup Label="ExtensionSettings">
|
||||
</ImportGroup>
|
||||
<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
|
||||
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
|
||||
</ImportGroup>
|
||||
<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
|
||||
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
|
||||
</ImportGroup>
|
||||
<PropertyGroup Label="UserMacros" />
|
||||
<PropertyGroup />
|
||||
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
|
||||
<ClCompile>
|
||||
<WarningLevel>Level3</WarningLevel>
|
||||
<Optimization>Disabled</Optimization>
|
||||
<AdditionalIncludeDirectories>$(DXSDK_DIR)Include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
||||
</ClCompile>
|
||||
<Link>
|
||||
<GenerateDebugInformation>true</GenerateDebugInformation>
|
||||
<AdditionalLibraryDirectories>$(DXSDK_DIR)Lib\x86;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
|
||||
<AdditionalDependencies>d3d9.lib;d3dx9d.lib;dxerr.lib;dxguid.lib;winmm.lib;comctl32.lib;gdi32.lib;user32.lib</AdditionalDependencies>
|
||||
<SubSystem>
|
||||
</SubSystem>
|
||||
</Link>
|
||||
</ItemDefinitionGroup>
|
||||
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
|
||||
<ClCompile>
|
||||
<WarningLevel>Level3</WarningLevel>
|
||||
<Optimization>MaxSpeed</Optimization>
|
||||
<FunctionLevelLinking>true</FunctionLevelLinking>
|
||||
<IntrinsicFunctions>true</IntrinsicFunctions>
|
||||
<AdditionalIncludeDirectories>$(DXSDK_DIR)Include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
|
||||
</ClCompile>
|
||||
<Link>
|
||||
<GenerateDebugInformation>true</GenerateDebugInformation>
|
||||
<EnableCOMDATFolding>true</EnableCOMDATFolding>
|
||||
<OptimizeReferences>true</OptimizeReferences>
|
||||
<AdditionalLibraryDirectories>$(DXSDK_DIR)Lib\x86;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
|
||||
<AdditionalDependencies>d3d9.lib;d3dx9d.lib;dxerr.lib;dxguid.lib;winmm.lib;comctl32.lib;gdi32.lib;user32.lib</AdditionalDependencies>
|
||||
<SubSystem>
|
||||
</SubSystem>
|
||||
</Link>
|
||||
</ItemDefinitionGroup>
|
||||
<ItemGroup>
|
||||
<ClCompile Include="..\..\imgui.cpp" />
|
||||
<ClCompile Include="main.cpp" />
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClInclude Include="..\..\imconfig.h" />
|
||||
<ClInclude Include="..\..\imgui.h" />
|
||||
<ClInclude Include="..\..\stb_textedit.h" />
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<None Include="..\..\LICENSE" />
|
||||
</ItemGroup>
|
||||
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
|
||||
<ImportGroup Label="ExtensionTargets">
|
||||
</ImportGroup>
|
||||
</Project>
|
||||
36
examples/directx9_example/directx9_example.vcxproj.filters
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36
examples/directx9_example/directx9_example.vcxproj.filters
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@ -0,0 +1,36 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
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||||
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<ItemGroup>
|
||||
<Filter Include="imgui">
|
||||
<UniqueIdentifier>{ac86c4ce-1d96-47a9-9ace-f8970c3bd485}</UniqueIdentifier>
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||||
</Filter>
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<Filter Include="sources">
|
||||
<UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
|
||||
<Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
|
||||
</Filter>
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClCompile Include="main.cpp">
|
||||
<Filter>sources</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="..\..\imgui.cpp">
|
||||
<Filter>imgui</Filter>
|
||||
</ClCompile>
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClInclude Include="..\..\imconfig.h">
|
||||
<Filter>imgui</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="..\..\imgui.h">
|
||||
<Filter>imgui</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="..\..\stb_textedit.h">
|
||||
<Filter>imgui</Filter>
|
||||
</ClInclude>
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<None Include="..\..\LICENSE">
|
||||
<Filter>imgui</Filter>
|
||||
</None>
|
||||
</ItemGroup>
|
||||
</Project>
|
||||
410
examples/directx9_example/main.cpp
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410
examples/directx9_example/main.cpp
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@ -0,0 +1,410 @@
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||||
#include <windows.h>
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||||
#include <mmsystem.h>
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||||
#include <d3dx9.h>
|
||||
#define DIRECTINPUT_VERSION 0x0800
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||||
#include <dinput.h>
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||||
#include "../../imgui.h"
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||||
|
||||
#pragma warning (disable: 4996) // 'This function or variable may be unsafe': strdup
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||||
|
||||
static HWND hWnd;
|
||||
static LPDIRECT3D9 g_pD3D = NULL; // Used to create the D3DDevice
|
||||
static LPDIRECT3DDEVICE9 g_pd3dDevice = NULL; // Our rendering device
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||||
static LPDIRECT3DVERTEXBUFFER9 g_pVB = NULL; // Buffer to hold vertices
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||||
static LPDIRECT3DTEXTURE9 g_pTexture = NULL; // Our texture
|
||||
|
||||
struct CUSTOMVERTEX
|
||||
{
|
||||
D3DXVECTOR3 position;
|
||||
D3DCOLOR color;
|
||||
float tu, tv;
|
||||
};
|
||||
|
||||
#define D3DFVF_CUSTOMVERTEX (D3DFVF_XYZ|D3DFVF_DIFFUSE|D3DFVF_TEX1)
|
||||
|
||||
static void ImImpl_RenderDrawLists(ImDrawList** const cmd_lists, int cmd_lists_count)
|
||||
{
|
||||
size_t total_vtx_count = 0;
|
||||
for (int n = 0; n < cmd_lists_count; n++)
|
||||
total_vtx_count += cmd_lists[n]->vtx_buffer.size();
|
||||
if (total_vtx_count == 0)
|
||||
return;
|
||||
|
||||
ImVector<ImVec4> clip_rect_stack;
|
||||
clip_rect_stack.push_back(ImVec4(-9999,-9999,+9999,+9999));
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||||
|
||||
// Setup orthographic projection
|
||||
// Set up world matrix
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||||
D3DXMATRIXA16 mat;
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||||
D3DXMatrixIdentity(&mat);
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||||
g_pd3dDevice->SetTransform(D3DTS_WORLD, &mat);
|
||||
g_pd3dDevice->SetTransform(D3DTS_VIEW, &mat);
|
||||
D3DXMatrixOrthoOffCenterLH(&mat, 0.0f, ImGui::GetIO().DisplaySize.x, ImGui::GetIO().DisplaySize.y, 0.0f, -1.0f, +1.0f);
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||||
g_pd3dDevice->SetTransform(D3DTS_PROJECTION, &mat);
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||||
|
||||
D3DSURFACE_DESC texture_desc;
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||||
g_pTexture->GetLevelDesc(0, &texture_desc);
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||||
|
||||
// Fill the vertex buffer
|
||||
CUSTOMVERTEX* vtx_dst;
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||||
if (g_pVB->Lock(0, total_vtx_count, (void**)&vtx_dst, D3DLOCK_DISCARD) < 0)
|
||||
return;
|
||||
|
||||
for (int n = 0; n < cmd_lists_count; n++)
|
||||
{
|
||||
const ImDrawList* cmd_list = cmd_lists[n];
|
||||
if (cmd_list->commands.empty() || cmd_list->vtx_buffer.empty())
|
||||
continue;
|
||||
const ImDrawVert* vtx_src = &cmd_list->vtx_buffer[0];
|
||||
for (size_t i = 0; i < cmd_list->vtx_buffer.size(); i++)
|
||||
{
|
||||
vtx_dst->position.x = vtx_src->pos.x;
|
||||
vtx_dst->position.y = vtx_src->pos.y;
|
||||
vtx_dst->position.z = 0.0f;
|
||||
vtx_dst->color = (vtx_src->col & 0xFF00FF00) | ((vtx_src->col & 0xFF0000)>>16) | ((vtx_src->col & 0xFF) << 16); // RGBA --> ARGB for DirectX9
|
||||
vtx_dst->tu = vtx_src->uv.x;
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||||
vtx_dst->tv = vtx_src->uv.y;
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||||
vtx_dst++;
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||||
vtx_src++;
|
||||
}
|
||||
}
|
||||
g_pVB->Unlock();
|
||||
|
||||
g_pd3dDevice->SetStreamSource( 0, g_pVB, 0, sizeof( CUSTOMVERTEX ) );
|
||||
g_pd3dDevice->SetFVF( D3DFVF_CUSTOMVERTEX );
|
||||
|
||||
// Setup render state: alpha-blending enabled, no face culling, no depth testing
|
||||
g_pd3dDevice->SetRenderState( D3DRS_CULLMODE, D3DCULL_NONE );
|
||||
g_pd3dDevice->SetRenderState( D3DRS_LIGHTING, false );
|
||||
g_pd3dDevice->SetRenderState( D3DRS_ZENABLE, false );
|
||||
|
||||
g_pd3dDevice->SetRenderState( D3DRS_ALPHABLENDENABLE, true );
|
||||
g_pd3dDevice->SetRenderState( D3DRS_BLENDOP, D3DBLENDOP_ADD );
|
||||
g_pd3dDevice->SetRenderState( D3DRS_ALPHATESTENABLE, false );
|
||||
g_pd3dDevice->SetRenderState( D3DRS_SRCBLEND, D3DBLEND_SRCALPHA );
|
||||
g_pd3dDevice->SetRenderState( D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA );
|
||||
g_pd3dDevice->SetRenderState( D3DRS_SCISSORTESTENABLE, true );
|
||||
|
||||
// Setup texture
|
||||
g_pd3dDevice->SetTexture( 0, g_pTexture );
|
||||
g_pd3dDevice->SetTextureStageState( 0, D3DTSS_COLOROP, D3DTOP_MODULATE );
|
||||
g_pd3dDevice->SetTextureStageState( 0, D3DTSS_COLORARG1, D3DTA_TEXTURE );
|
||||
g_pd3dDevice->SetTextureStageState( 0, D3DTSS_COLORARG2, D3DTA_DIFFUSE );
|
||||
g_pd3dDevice->SetTextureStageState( 0, D3DTSS_ALPHAOP, D3DTOP_MODULATE );
|
||||
g_pd3dDevice->SetTextureStageState( 0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE );
|
||||
g_pd3dDevice->SetTextureStageState( 0, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE );
|
||||
|
||||
int vtx_consumed = 0; // offset in vertex buffer. each command consume ImDrawCmd::vtx_count of those
|
||||
bool clip_rect_dirty = true;
|
||||
|
||||
for (int n = 0; n < cmd_lists_count; n++)
|
||||
{
|
||||
const ImDrawList* cmd_list = cmd_lists[n];
|
||||
if (cmd_list->commands.empty() || cmd_list->vtx_buffer.empty())
|
||||
continue;
|
||||
const ImDrawCmd* pcmd = &cmd_list->commands.front();
|
||||
const ImDrawCmd* pcmd_end = &cmd_list->commands.back();
|
||||
int clip_rect_buf_consumed = 0; // offset in cmd_list->clip_rect_buffer. each PushClipRect command consume 1 of those.
|
||||
while (pcmd <= pcmd_end)
|
||||
{
|
||||
const ImDrawCmd& cmd = *pcmd++;
|
||||
switch (cmd.cmd_type)
|
||||
{
|
||||
case ImDrawCmdType_DrawTriangleList:
|
||||
if (clip_rect_dirty)
|
||||
{
|
||||
const ImVec4& clip_rect = clip_rect_stack.back();
|
||||
const RECT r = { (LONG)clip_rect.x, (LONG)clip_rect.y, (LONG)clip_rect.z, (LONG)clip_rect.w };
|
||||
g_pd3dDevice->SetScissorRect(&r);
|
||||
clip_rect_dirty = false;
|
||||
}
|
||||
g_pd3dDevice->DrawPrimitive(D3DPT_TRIANGLELIST, vtx_consumed, cmd.vtx_count/3);
|
||||
vtx_consumed += cmd.vtx_count;
|
||||
break;
|
||||
|
||||
case ImDrawCmdType_PushClipRect:
|
||||
clip_rect_stack.push_back(cmd_list->clip_rect_buffer[clip_rect_buf_consumed++]);
|
||||
clip_rect_dirty = true;
|
||||
break;
|
||||
|
||||
case ImDrawCmdType_PopClipRect:
|
||||
clip_rect_stack.pop_back();
|
||||
clip_rect_dirty = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Get text data in Win32 clipboard
|
||||
static const char* ImImpl_GetClipboardTextFn()
|
||||
{
|
||||
static char* buf_local = NULL;
|
||||
if (buf_local)
|
||||
{
|
||||
free(buf_local);
|
||||
buf_local = NULL;
|
||||
}
|
||||
|
||||
if (!OpenClipboard(NULL))
|
||||
return NULL;
|
||||
|
||||
HANDLE buf_handle = GetClipboardData(CF_TEXT);
|
||||
if (buf_handle == NULL)
|
||||
return NULL;
|
||||
|
||||
if (char* buf_global = (char*)GlobalLock(buf_handle))
|
||||
buf_local = strdup(buf_global);
|
||||
GlobalUnlock(buf_handle);
|
||||
CloseClipboard();
|
||||
|
||||
return buf_local;
|
||||
}
|
||||
|
||||
// Set text data in Win32 clipboard
|
||||
static void ImImpl_SetClipboardTextFn(const char* text, const char* text_end)
|
||||
{
|
||||
if (!OpenClipboard(NULL))
|
||||
return;
|
||||
|
||||
if (!text_end)
|
||||
text_end = text + strlen(text);
|
||||
|
||||
const int buf_length = (text_end - text) + 1;
|
||||
HGLOBAL buf_handle = GlobalAlloc(GMEM_MOVEABLE, buf_length * sizeof(char));
|
||||
if (buf_handle == NULL)
|
||||
return;
|
||||
|
||||
char* buf_global = (char *)GlobalLock(buf_handle);
|
||||
memcpy(buf_global, text, text_end - text);
|
||||
buf_global[text_end - text] = 0;
|
||||
GlobalUnlock(buf_handle);
|
||||
|
||||
EmptyClipboard();
|
||||
SetClipboardData(CF_TEXT, buf_handle);
|
||||
CloseClipboard();
|
||||
}
|
||||
|
||||
HRESULT InitD3D(HWND hWnd)
|
||||
{
|
||||
if (NULL == (g_pD3D = Direct3DCreate9(D3D_SDK_VERSION)))
|
||||
return E_FAIL;
|
||||
|
||||
D3DPRESENT_PARAMETERS d3dpp;
|
||||
ZeroMemory(&d3dpp, sizeof(d3dpp));
|
||||
d3dpp.Windowed = TRUE;
|
||||
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
|
||||
d3dpp.BackBufferFormat = D3DFMT_UNKNOWN;
|
||||
d3dpp.EnableAutoDepthStencil = TRUE;
|
||||
d3dpp.AutoDepthStencilFormat = D3DFMT_D16;
|
||||
d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
|
||||
|
||||
// Create the D3DDevice
|
||||
if (g_pD3D->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hWnd, D3DCREATE_HARDWARE_VERTEXPROCESSING, &d3dpp, &g_pd3dDevice) < 0)
|
||||
return E_FAIL;
|
||||
|
||||
// Create the vertex buffer.
|
||||
if (g_pd3dDevice->CreateVertexBuffer(10000 * sizeof(CUSTOMVERTEX), D3DUSAGE_DYNAMIC | D3DUSAGE_WRITEONLY, D3DFVF_CUSTOMVERTEX, D3DPOOL_DEFAULT, &g_pVB, NULL) < 0)
|
||||
return E_FAIL;
|
||||
|
||||
// Load font texture
|
||||
const void* png_data;
|
||||
unsigned int png_size;
|
||||
ImGui::GetDefaultFontData(NULL, NULL, &png_data, &png_size);
|
||||
if (D3DXCreateTextureFromFileInMemory(g_pd3dDevice, png_data, png_size, &g_pTexture) < 0)
|
||||
return E_FAIL;
|
||||
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
void Cleanup()
|
||||
{
|
||||
if (g_pTexture != NULL)
|
||||
g_pTexture->Release();
|
||||
|
||||
if (g_pd3dDevice != NULL)
|
||||
g_pd3dDevice->Release();
|
||||
|
||||
if (g_pD3D != NULL)
|
||||
g_pD3D->Release();
|
||||
}
|
||||
|
||||
LRESULT WINAPI MsgProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
|
||||
{
|
||||
ImGuiIO& io = ImGui::GetIO();
|
||||
switch (msg)
|
||||
{
|
||||
case WM_LBUTTONDOWN:
|
||||
io.MouseDown[0] = true;
|
||||
return true;
|
||||
case WM_LBUTTONUP:
|
||||
io.MouseDown[0] = false;
|
||||
return true;
|
||||
case WM_RBUTTONDOWN:
|
||||
io.MouseDown[1] = true;
|
||||
return true;
|
||||
case WM_RBUTTONUP:
|
||||
io.MouseDown[1] = false;
|
||||
return true;
|
||||
case WM_MOUSEWHEEL:
|
||||
io.MouseWheel = GET_WHEEL_DELTA_WPARAM(wParam) > 0 ? +1 : -1;
|
||||
return true;
|
||||
case WM_MOUSEMOVE:
|
||||
io.MousePos.x = (signed short)(lParam);
|
||||
io.MousePos.y = (signed short)(lParam >> 16);
|
||||
return true;
|
||||
case WM_CHAR:
|
||||
// You can also use ToAscii()+GetKeyboardState() to retrieve characters.
|
||||
if (wParam > 1 && wParam < 256)
|
||||
io.AddInputCharacter((char)wParam);
|
||||
return true;
|
||||
case WM_DESTROY:
|
||||
{
|
||||
Cleanup();
|
||||
PostQuitMessage(0);
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
return DefWindowProc(hWnd, msg, wParam, lParam);
|
||||
}
|
||||
|
||||
void InitImGui()
|
||||
{
|
||||
RECT rect;
|
||||
GetClientRect(hWnd, &rect);
|
||||
|
||||
ImGuiIO& io = ImGui::GetIO();
|
||||
io.DisplaySize = ImVec2((float)(rect.right - rect.left), (float)(rect.bottom - rect.top));
|
||||
io.DeltaTime = 1.0f/60.0f;
|
||||
io.KeyMap[ImGuiKey_Tab] = VK_TAB;
|
||||
io.KeyMap[ImGuiKey_LeftArrow] = VK_LEFT;
|
||||
io.KeyMap[ImGuiKey_RightArrow] = VK_RIGHT;
|
||||
io.KeyMap[ImGuiKey_UpArrow] = VK_UP;
|
||||
io.KeyMap[ImGuiKey_DownArrow] = VK_UP;
|
||||
io.KeyMap[ImGuiKey_Home] = VK_HOME;
|
||||
io.KeyMap[ImGuiKey_End] = VK_END;
|
||||
io.KeyMap[ImGuiKey_Delete] = VK_DELETE;
|
||||
io.KeyMap[ImGuiKey_Backspace] = VK_BACK;
|
||||
io.KeyMap[ImGuiKey_Enter] = VK_RETURN;
|
||||
io.KeyMap[ImGuiKey_Escape] = VK_ESCAPE;
|
||||
io.KeyMap[ImGuiKey_A] = 'A';
|
||||
io.KeyMap[ImGuiKey_C] = 'C';
|
||||
io.KeyMap[ImGuiKey_V] = 'V';
|
||||
io.KeyMap[ImGuiKey_X] = 'X';
|
||||
io.KeyMap[ImGuiKey_Y] = 'Y';
|
||||
io.KeyMap[ImGuiKey_Z] = 'Z';
|
||||
|
||||
io.RenderDrawListsFn = ImImpl_RenderDrawLists;
|
||||
io.SetClipboardTextFn = ImImpl_SetClipboardTextFn;
|
||||
io.GetClipboardTextFn = ImImpl_GetClipboardTextFn;
|
||||
}
|
||||
|
||||
int WINAPI wWinMain(HINSTANCE hInst, HINSTANCE, LPWSTR, int)
|
||||
{
|
||||
// Register the window class
|
||||
WNDCLASSEX wc = { sizeof(WNDCLASSEX), CS_CLASSDC, MsgProc, 0L, 0L, GetModuleHandle(NULL), NULL, NULL, NULL, NULL, L"ImGui Example", NULL };
|
||||
RegisterClassEx(&wc);
|
||||
|
||||
// Create the application's window
|
||||
hWnd = CreateWindow(L"ImGui Example", L"ImGui DirectX9 Example", WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, NULL, NULL, wc.hInstance, NULL);
|
||||
|
||||
INT64 ticks_per_second, time;
|
||||
if (!QueryPerformanceFrequency((LARGE_INTEGER *)&ticks_per_second))
|
||||
return 1;
|
||||
if (!QueryPerformanceCounter((LARGE_INTEGER *)&time))
|
||||
return 1;
|
||||
|
||||
// Initialize Direct3D
|
||||
if (InitD3D(hWnd) >= 0)
|
||||
{
|
||||
// Show the window
|
||||
ShowWindow(hWnd, SW_SHOWDEFAULT);
|
||||
UpdateWindow(hWnd);
|
||||
|
||||
InitImGui();
|
||||
|
||||
// Enter the message loop
|
||||
MSG msg;
|
||||
ZeroMemory(&msg, sizeof(msg));
|
||||
while (msg.message != WM_QUIT)
|
||||
{
|
||||
if (PeekMessage(&msg, NULL, 0U, 0U, PM_REMOVE))
|
||||
{
|
||||
TranslateMessage(&msg);
|
||||
DispatchMessage(&msg);
|
||||
continue;
|
||||
}
|
||||
|
||||
// 1) ImGui start frame, setup time delta & inputs
|
||||
ImGuiIO& io = ImGui::GetIO();
|
||||
INT64 current_time;
|
||||
QueryPerformanceCounter((LARGE_INTEGER *)¤t_time);
|
||||
io.DeltaTime = (float)(current_time - time) / ticks_per_second;
|
||||
time = current_time;
|
||||
BYTE keystate[256];
|
||||
GetKeyboardState(keystate);
|
||||
for (int i = 0; i < 256; i++)
|
||||
io.KeysDown[i] = (keystate[i] & 0x80) != 0;
|
||||
io.KeyCtrl = (keystate[VK_CONTROL] & 0x80) != 0;
|
||||
io.KeyShift = (keystate[VK_SHIFT] & 0x80) != 0;
|
||||
// io.MousePos : filled by WM_MOUSEMOVE event
|
||||
// io.MouseDown : filled by WM_*BUTTON* events
|
||||
// io.MouseWheel : filled by WM_MOUSEWHEEL events
|
||||
ImGui::NewFrame();
|
||||
|
||||
// 2) ImGui usage
|
||||
static bool show_test_window = true;
|
||||
static bool show_another_window = false;
|
||||
static float f;
|
||||
ImGui::Text("Hello, world!");
|
||||
ImGui::SliderFloat("float", &f, 0.0f, 1.0f);
|
||||
show_test_window ^= ImGui::Button("Test Window");
|
||||
show_another_window ^= ImGui::Button("Another Window");
|
||||
|
||||
// Calculate and show framerate
|
||||
static float ms_per_frame[120] = { 0 };
|
||||
static int ms_per_frame_idx = 0;
|
||||
static float ms_per_frame_accum = 0.0f;
|
||||
ms_per_frame_accum -= ms_per_frame[ms_per_frame_idx];
|
||||
ms_per_frame[ms_per_frame_idx] = io.DeltaTime * 1000.0f;
|
||||
ms_per_frame_accum += ms_per_frame[ms_per_frame_idx];
|
||||
ms_per_frame_idx = (ms_per_frame_idx + 1) % 120;
|
||||
const float ms_per_frame_avg = ms_per_frame_accum / 120;
|
||||
ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", ms_per_frame_avg, 1000.0f / ms_per_frame_avg);
|
||||
|
||||
if (show_test_window)
|
||||
{
|
||||
// More example code in ShowTestWindow()
|
||||
ImGui::SetNewWindowDefaultPos(ImVec2(650, 20)); // Normally user code doesn't need/want to call it because positions are saved in .ini file anyway. Here we just want to make the demo initial state a bit more friendly!
|
||||
ImGui::ShowTestWindow(&show_test_window);
|
||||
}
|
||||
|
||||
if (show_another_window)
|
||||
{
|
||||
ImGui::Begin("Another Window", &show_another_window, ImVec2(200,100));
|
||||
ImGui::Text("Hello");
|
||||
ImGui::End();
|
||||
}
|
||||
|
||||
// 3) Render
|
||||
g_pd3dDevice->SetRenderState(D3DRS_ZENABLE, false);
|
||||
g_pd3dDevice->SetRenderState(D3DRS_ALPHABLENDENABLE, false);
|
||||
g_pd3dDevice->SetRenderState(D3DRS_SCISSORTESTENABLE, false);
|
||||
g_pd3dDevice->Clear(0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, D3DCOLOR_XRGB(204, 153, 153), 1.0f, 0); // Clear the backbuffer and the zbuffer
|
||||
if (g_pd3dDevice->BeginScene() >= 0)
|
||||
{
|
||||
ImGui::Render();
|
||||
g_pd3dDevice->EndScene();
|
||||
}
|
||||
g_pd3dDevice->Present(NULL, NULL, NULL, NULL);
|
||||
}
|
||||
|
||||
ImGui::Shutdown();
|
||||
}
|
||||
|
||||
if (g_pVB)
|
||||
g_pVB->Release();
|
||||
|
||||
UnregisterClass(L"ImGui Example", wc.hInstance);
|
||||
return 0;
|
||||
}
|
||||
Reference in New Issue
Block a user