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| author | FWoltermann@gmail.com <FWoltermann@gmail.com@076cb2c4-205e-83fd-5cf3-1be9aa105544> | 2011-12-08 14:53:40 +0000 |
|---|---|---|
| committer | FWoltermann@gmail.com <FWoltermann@gmail.com@076cb2c4-205e-83fd-5cf3-1be9aa105544> | 2011-12-08 14:53:40 +0000 |
| commit | e33e19d0587146859d48a134ec9fd94e7b7ba5cd (patch) | |
| tree | 69d048c8801858d2756ab3a487090a7a1b74bf14 /nGenEx/D3DXImage.cpp | |
| download | starshatter-e33e19d0587146859d48a134ec9fd94e7b7ba5cd.zip starshatter-e33e19d0587146859d48a134ec9fd94e7b7ba5cd.tar.gz starshatter-e33e19d0587146859d48a134ec9fd94e7b7ba5cd.tar.bz2 | |
Initial upload
Diffstat (limited to 'nGenEx/D3DXImage.cpp')
| -rw-r--r-- | nGenEx/D3DXImage.cpp | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/nGenEx/D3DXImage.cpp b/nGenEx/D3DXImage.cpp new file mode 100644 index 0000000..3300253 --- /dev/null +++ b/nGenEx/D3DXImage.cpp @@ -0,0 +1,222 @@ +/* Project nGenEx
+ Destroyer Studios LLC
+ Copyright © 1997-2004. All Rights Reserved.
+
+ SUBSYSTEM: nGenEx.lib
+ FILE: D3DXImage.cpp
+ AUTHOR: John DiCamillo
+
+
+ OVERVIEW
+ ========
+ D3DX image file loader
+*/
+
+
+#include "MemDebug.h"
+#include "D3DXImage.h"
+#include "VideoDX9.h"
+
+// +--------------------------------------------------------------------+
+
+D3DXImage::D3DXImage()
+ : width(0), height(0), format(0), image(0)
+{ }
+
+D3DXImage::D3DXImage(WORD w, WORD h, DWORD* img)
+{
+ ZeroMemory(this, sizeof(D3DXImage));
+
+ width = w;
+ height = h;
+
+ int pixels = width * height;
+
+ image = new(__FILE__,__LINE__) DWORD [pixels];
+
+ if (image && pixels) {
+ for (int i = 0; i < pixels; i++)
+ image[i] = img[i];
+ }
+}
+
+D3DXImage::~D3DXImage()
+{
+ delete [] image;
+}
+
+// +--------------------------------------------------------------------+
+
+bool D3DXImage::Load(char *filename)
+{
+ bool success = false;
+ FILE* f;
+
+ f = fopen(filename,"rb");
+ if (f == NULL)
+ return success;
+
+ int len = 0;
+ BYTE* buf = 0;
+
+ fseek(f, 0, SEEK_END);
+ len = ftell(f);
+ fseek(f, 0, SEEK_SET);
+
+ buf = new(__FILE__,__LINE__) BYTE[len];
+
+ if (buf) {
+ fread(buf, len, 1, f);
+ fclose(f);
+
+ success = LoadBuffer(buf, len);
+ }
+
+ return success;
+}
+
+// +--------------------------------------------------------------------+
+
+bool D3DXImage::LoadBuffer(BYTE* buf, int len)
+{
+ bool success = false;
+ HRESULT hr = E_FAIL;
+ D3DXIMAGE_INFO info;
+
+ if (buf == NULL)
+ return success;
+
+ hr = D3DXGetImageInfoFromFileInMemory(buf, len, &info);
+
+ if (FAILED(hr))
+ return success;
+
+ width = info.Width;
+ height = info.Height;
+ format = info.Format;
+
+ if (image) {
+ delete [] image;
+ image = 0;
+ }
+
+ IDirect3DSurface9* surf = 0;
+ IDirect3DDevice9* dev = VideoDX9::GetD3DDevice9();
+
+
+ hr = dev->CreateOffscreenPlainSurface( width,
+ height,
+ D3DFMT_A8R8G8B8,
+ D3DPOOL_SYSTEMMEM,
+ &surf,
+ NULL);
+
+ if (FAILED(hr))
+ return success;
+
+ hr = D3DXLoadSurfaceFromFileInMemory( surf, // dest surface
+ NULL, // dest palette (none)
+ NULL, // dest rect (entire image)
+ buf, // memory file
+ len, // size of data
+ NULL, // source rect (entire image)
+ D3DX_DEFAULT, // filter operation
+ 0, // color key (none)
+ NULL); // image info
+
+ if (SUCCEEDED(hr)) {
+ D3DLOCKED_RECT locked_rect;
+ hr = surf->LockRect(&locked_rect, NULL, D3DLOCK_READONLY);
+
+ if (SUCCEEDED(hr)) {
+ // copy surface into image
+ image = new(__FILE__,__LINE__) DWORD[width*height];
+ if (image) {
+ for (DWORD i = 0; i < height; i++) {
+ BYTE* dst = (BYTE*) (image + i * width);
+ BYTE* src = (BYTE*) locked_rect.pBits + i * locked_rect.Pitch;
+
+ CopyMemory(dst, src, width * sizeof(DWORD));
+ }
+
+ success = true;
+ }
+
+ surf->UnlockRect();
+ }
+ }
+
+ surf->Release();
+ surf = 0;
+
+ return success;
+}
+
+// +--------------------------------------------------------------------+
+
+bool D3DXImage::Save(char *filename)
+{
+ bool success = false;
+ HRESULT hr = E_FAIL;
+
+ if (!image || !width || !height)
+ return success;
+
+ FILE* f = fopen(filename,"wb");
+ if (f == NULL)
+ return success;
+
+ IDirect3DSurface9* surf = 0;
+ IDirect3DDevice9* dev = VideoDX9::GetD3DDevice9();
+
+ hr = dev->CreateOffscreenPlainSurface( width,
+ height,
+ D3DFMT_A8R8G8B8,
+ D3DPOOL_SYSTEMMEM,
+ &surf,
+ NULL);
+
+
+ if (SUCCEEDED(hr)) {
+ D3DLOCKED_RECT locked_rect;
+ hr = surf->LockRect(&locked_rect, NULL, 0);
+
+ if (SUCCEEDED(hr)) {
+ // copy image into surface
+ for (DWORD i = 0; i < height; i++) {
+ BYTE* src = (BYTE*) (image + i * width);
+ BYTE* dst = (BYTE*) locked_rect.pBits + i * locked_rect.Pitch;
+
+ CopyMemory(dst, src, width * sizeof(DWORD));
+ }
+
+ surf->UnlockRect();
+
+ ID3DXBuffer* buffer = 0;
+ D3DXIMAGE_FILEFORMAT imgfmt = D3DXIFF_PNG;
+
+ if (strstr(filename, ".jpg") || strstr(filename, ".JPG"))
+ imgfmt = D3DXIFF_JPG;
+
+ else if (strstr(filename, ".bmp") || strstr(filename, ".BMP"))
+ imgfmt = D3DXIFF_BMP;
+
+ hr = D3DXSaveSurfaceToFileInMemory(&buffer, // destination
+ imgfmt, // type of file
+ surf, // image to save
+ NULL, // palette
+ NULL); // source rect (entire image)
+
+ if (SUCCEEDED(hr)) {
+ fwrite(buffer->GetBufferPointer(), buffer->GetBufferSize(), 1, f);
+ success = true;
+ }
+ }
+ }
+
+ surf->Release();
+ surf = 0;
+ fclose(f);
+ return success;
+}
+
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