--- a/src/libgfx.c	Fri Aug 18 17:34:33 2017 +0300
+++ b/src/libgfx.c	Fri Aug 18 17:47:30 2017 +0300
@@ -137,13 +137,13 @@
 }
 
 
-int dmImageConvertTo(DMImage **dst, const DMImage *src, const DMImageSpec *spec)
+int dmImageConvertTo(DMImage **dst, const DMImage *src, const DMImageConvSpec *spec)
 {
     return DMERR_OK;
 }
 
 
-int dmWriteImageData(DMImage *img, void *cbdata, int (*writeRowCB)(void *, Uint8 *, size_t), const DMImageSpec *spec)
+int dmWriteImageData(DMImage *img, void *cbdata, int (*writeRowCB)(void *, Uint8 *, size_t), const DMImageConvSpec *spec)
 {
     int x, y, yscale, xscale, res = 0, rowSize, rowWidth;
     Uint8 *row = NULL;
@@ -260,7 +260,7 @@
 }
 
 
-int dmWriteRAWImageFILE(FILE *fp, DMImage *img, const DMImageSpec *spec)
+int dmWriteRAWImageFILE(FILE *fp, DMImage *img, const DMImageConvSpec *spec)
 {
     int xc, yc, plane, res;
     DMBitStreamContext bs;
@@ -305,7 +305,7 @@
 }
 
 
-int dmWriteRAWImage(const char *filename, DMImage *img, const DMImageSpec *spec)
+int dmWriteRAWImage(const char *filename, DMImage *img, const DMImageConvSpec *spec)
 {
     FILE *fp;
     int res;
@@ -333,9 +333,9 @@
 }
 
 
-int dmWritePPMImageFILE(FILE *fp, DMImage *img, const DMImageSpec *spec)
+int dmWritePPMImageFILE(FILE *fp, DMImage *img, const DMImageConvSpec *spec)
 {
-    DMImageSpec tmpSpec;
+    DMImageConvSpec tmpSpec;
 
     // Write PPM header
     fprintf(fp,
@@ -344,13 +344,13 @@
         img->height * spec->scaleY);
 
     // Write image data
-    memcpy(&tmpSpec, spec, sizeof(DMImageSpec));
+    memcpy(&tmpSpec, spec, sizeof(DMImageConvSpec));
     tmpSpec.format = DM_IFMT_RGB;
     return dmWriteImageData(img, (void *) fp, dmWritePPMRow, &tmpSpec);
 }
 
 
-int dmWritePPMImage(const char *filename, DMImage *img, const DMImageSpec *spec)
+int dmWritePPMImage(const char *filename, DMImage *img, const DMImageConvSpec *spec)
 {
     FILE *fp;
     int res;
@@ -385,7 +385,7 @@
 }
 
 
-int dmWritePNGImageFILE(FILE *fp, DMImage *img, const DMImageSpec *spec)
+int dmWritePNGImageFILE(FILE *fp, DMImage *img, const DMImageConvSpec *spec)
 {
     png_structp png_ptr = NULL;
     png_infop info_ptr = NULL;
@@ -492,7 +492,7 @@
 }
 
 
-int dmWritePNGImage(const char *filename, DMImage *img, const DMImageSpec *spec)
+int dmWritePNGImage(const char *filename, DMImage *img, const DMImageConvSpec *spec)
 {
     int res;
     FILE *fp;
@@ -822,7 +822,7 @@
 }
 
 
-int dmWritePCXImageFILE(FILE *fp, DMImage *img, const DMImageSpec *spec)
+int dmWritePCXImageFILE(FILE *fp, DMImage *img, const DMImageConvSpec *spec)
 {
     DMPCXData pcx;
     DMPCXHeader hdr;
@@ -951,7 +951,7 @@
 }
 
 
-int dmWritePCXImage(const char *filename, DMImage *img, const DMImageSpec *spec)
+int dmWritePCXImage(const char *filename, DMImage *img, const DMImageConvSpec *spec)
 {
     FILE *fp;
     int res;