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Diffstat (limited to 'Stars45/D3DXImage.cpp')
| -rw-r--r-- | Stars45/D3DXImage.cpp | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/Stars45/D3DXImage.cpp b/Stars45/D3DXImage.cpp new file mode 100644 index 0000000..1947137 --- /dev/null +++ b/Stars45/D3DXImage.cpp @@ -0,0 +1,247 @@ +/* Starshatter OpenSource Distribution + Copyright (c) 1997-2004, Destroyer Studios LLC. + All Rights Reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + * Neither the name "Destroyer Studios" nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. + + 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; + + fopen_s(&f, 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_s(&f, 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; +} + |