Changeset 2393Tweet

Timestamp:

Jun 14, 2008, 3:02:23 PM (15 years ago)

Author:

Sam Hocevar

Message:

• BMP write support for Win32.
• Include a pre-compiled .exe file.

Location:

www/img2oric

Files:

• img2oric.c (modified) (5 diffs)
• img2oric.exe (added)

www/img2oric/img2oric.c

@@ -406 +406 @@
 {
 #if defined _WIN32
+    PBITMAPINFO pbinfo;
+    BITMAPINFO binfo;
+    BITMAPFILEHEADER bfheader;
+    ULONG bisize;
+    HANDLE hfile;
     HBITMAP tmp;
     HDC hdc;
+    DWORD ret;
 #else
     SDL_Surface *tmp, *surface;
+#endif
+    FILE *f;
     uint8_t *pixels;
-#endif
-    FILE *f;
     int *src, *dst, *srcl, *dstl;
     int stride, x, y, depth, c;
@@ -479 +485 @@
         uint8_t bg = 0, fg = 7;
 
-        fprintf(stderr, "\rProcessing... %i%%", (y * 100 + 50) / HEIGHT);
+        fprintf(stderr, "\rProcessing... %i%%", (y * 100 + 99) / HEIGHT);
 
         for(x = 0; x < WIDTH; x += 6)
@@ -517 +523 @@
     }
 
+    fclose(f);
+
     fprintf(stderr, " done.\n");
 
@@ -529 +537 @@
             SetPixel(hdc, x, y, RGB(r, g, b));
         }
-    /* FIXME: how do I save the image now? */
+
+    binfo.bmiHeader.biSize = sizeof(binfo.bmiHeader);
+    binfo.bmiHeader.biBitCount = 0;
+    GetDIBits(hdc, tmp, 0, 0, NULL, &binfo, DIB_RGB_COLORS);
+
+    switch(binfo.bmiHeader.biBitCount)
+    {
+    case 24:
+        bisize = sizeof(BITMAPINFOHEADER);
+        break;
+    case 16:
+    case 32:
+        bisize = sizeof(BITMAPINFOHEADER) + sizeof(DWORD) * 3;
+        break;
+    default:
+        bisize = sizeof(BITMAPINFOHEADER)
+                    + sizeof(RGBQUAD) * (1 << binfo.bmiHeader.biBitCount);
+        break;
+    }
+
+    pbinfo = (PBITMAPINFO)GlobalAlloc(GMEM_FIXED | GMEM_ZEROINIT, bisize);
+    memcpy(pbinfo, &binfo, sizeof(BITMAPINFOHEADER));
+
+    bfheader.bfType = 0x4D42; /* "BM" */
+    bfheader.bfSize = sizeof(BITMAPFILEHEADER)
+                         + bisize + pbinfo->bmiHeader.biSizeImage;
+    bfheader.bfReserved1 = 0;
+    bfheader.bfReserved2 = 0;
+    bfheader.bfOffBits = sizeof(BITMAPFILEHEADER) + bisize;
+
+    pixels = GlobalAlloc(GMEM_FIXED | GMEM_ZEROINIT,
+                         binfo.bmiHeader.biSizeImage);
+    GetDIBits(hdc, tmp, 0, pbinfo->bmiHeader.biHeight,
+              pixels, pbinfo, DIB_RGB_COLORS);
+
+    hfile = CreateFile(BMPFILE, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
+                       FILE_ATTRIBUTE_ARCHIVE, NULL);
+    WriteFile(hfile, &bfheader, sizeof(BITMAPFILEHEADER), &ret, NULL);
+    WriteFile(hfile, pbinfo, bisize, &ret, NULL);
+    WriteFile(hfile, pixels, pbinfo->bmiHeader.biSizeImage, &ret, NULL);
+    CloseHandle(hfile);
+
+    GlobalFree(pbinfo);
+    GlobalFree(pixels);
 #else
     for(y = 0; y < HEIGHT; y++)
@@ -539 +590 @@
 #endif
 
-    fclose(f);
-
     return 0;
 }