make screenshots rightside up again (or rather, upside down like TGA wants, which...

[xonotic/darkplaces.git] / image.c

diff --git a/image.c b/image.c
index f4accd0a8f32300288dd416bc78685887d54753e..4ba317076f64451a9327387cdcd16bf4dccb9a26 100644 (file)
--- a/image.c
+++ b/image.c
@@ -409,12 +409,13 @@ byte* LoadLMP (FILE *f, int matchwidth, int matchheight)
 
 void Image_StripImageExtension (char *in, char *out)
 {
-       char *end;
+       char *end, *temp;
        end = in + strlen(in);
        if ((end - in) >= 4)
        {
-               if (strcmp(end - 4, ".tga") == 0 || strcmp(end - 4, ".pcx") == 0 || strcmp(end - 4, ".lmp") == 0)
-                       end -= 4;
+               temp = end - 4;
+               if (strcmp(temp, ".tga") == 0 || strcmp(temp, ".pcx") == 0 || strcmp(temp, ".lmp") == 0)
+                       end = temp;
                while (in < end)
                        *out++ = *in++;
                *out++ = 0;
@@ -442,15 +443,9 @@ byte* loadimagepixels (char* filename, qboolean complain, int matchwidth, int ma
        if (f)
                return LoadPCX (f, matchwidth, matchheight);
        sprintf (name, "%s.tga", basename);
-       Con_Printf("name = %s : ", name);
        COM_FOpenFile (name, &f, true);
        if (f)
-       {
-               Con_Printf("succeeded\n");
                return LoadTGA (f, matchwidth, matchheight);
-       }
-       else
-               Con_Printf("failed\n");
        sprintf (name, "%s.pcx", basename);
        COM_FOpenFile (name, &f, true);
        if (f)
@@ -544,7 +539,7 @@ int loadtextureimagewithmask (char* filename, int matchwidth, int matchheight, q
        return texnum;
 }
 
-void Image_WriteTGARGB (char *filename, int width, int height, byte *data)
+void Image_WriteTGARGB_preflipped (char *filename, int width, int height, byte *data)
 {
        byte *buffer, *in, *out, *end;
 
@@ -560,15 +555,82 @@ void Image_WriteTGARGB (char *filename, int width, int height, byte *data)
 
        // swap rgb to bgr
        in = data;
-       end = in + width*height*3;
        out = buffer + 18;
+       end = in + width*height*3;
        for (;in < end;in += 3)
        {
                *out++ = in[2];
                *out++ = in[1];
                *out++ = in[0];
        }
-       COM_WriteFile (filename, buffer, glwidth*glheight*3 + 18 );
+       COM_WriteFile (filename, buffer, width*height*3 + 18 );
+
+       free(buffer);
+}
+
+void Image_WriteTGARGB (char *filename, int width, int height, byte *data)
+{
+       int y;
+       byte *buffer, *in, *out, *end;
+
+       buffer = malloc(width*height*3 + 18);
+
+       memset (buffer, 0, 18);
+       buffer[2] = 2;          // uncompressed type
+       buffer[12] = (width >> 0) & 0xFF;
+       buffer[13] = (width >> 8) & 0xFF;
+       buffer[14] = (height >> 0) & 0xFF;
+       buffer[15] = (height >> 8) & 0xFF;
+       buffer[16] = 24;        // pixel size
+
+       // swap rgb to bgr and flip upside down
+       out = buffer + 18;
+       for (y = height - 1;y >= 0;y--)
+       {
+               in = data + y * width * 3;
+               end = in + width * 3;
+               for (;in < end;in += 3)
+               {
+                       *out++ = in[2];
+                       *out++ = in[1];
+                       *out++ = in[0];
+               }
+       }
+       COM_WriteFile (filename, buffer, width*height*3 + 18 );
+
+       free(buffer);
+}
+
+void Image_WriteTGARGBA (char *filename, int width, int height, byte *data)
+{
+       int y;
+       byte *buffer, *in, *out, *end;
+
+       buffer = malloc(width*height*4 + 18);
+
+       memset (buffer, 0, 18);
+       buffer[2] = 2;          // uncompressed type
+       buffer[12] = (width >> 0) & 0xFF;
+       buffer[13] = (width >> 8) & 0xFF;
+       buffer[14] = (height >> 0) & 0xFF;
+       buffer[15] = (height >> 8) & 0xFF;
+       buffer[16] = 32;        // pixel size
+
+       // swap rgba to bgra and flip upside down
+       out = buffer + 18;
+       for (y = height - 1;y >= 0;y--)
+       {
+               in = data + y * width * 4;
+               end = in + width * 4;
+               for (;in < end;in += 4)
+               {
+                       *out++ = in[2];
+                       *out++ = in[1];
+                       *out++ = in[0];
+                       *out++ = in[3];
+               }
+       }
+       COM_WriteFile (filename, buffer, width*height*4 + 18 );
 
        free(buffer);
 }