1 files changed, 78 insertions, 0 deletions
diff --git a/converter/other/pngx.h b/converter/other/pngx.h
index f9658c58..930b84c4 100644
--- a/converter/other/pngx.h
+++ b/converter/other/pngx.h
@@ -8,6 +8,29 @@
    the PNG library easier and cleaner.
 */
 
+struct pngx_chroma {
+    float wx;
+    float wy;
+    float rx;
+    float ry;
+    float gx;
+    float gy;
+    float bx;
+    float by;
+};
+
+struct pngx_phys {
+    int x;
+    int y;
+    int unit;
+};
+
+struct pngx_trans {
+    png_bytep trans;
+    int numTrans;
+    png_color_16 * transColorP;
+};
+
 typedef enum {PNGX_READ, PNGX_WRITE} pngx_rw;
 
 struct pngx {
@@ -29,6 +52,9 @@ bool
 pngx_chunkIsPresent(struct pngx * const pngxP,
                     uint32_t      const chunkType);
 
+png_byte
+pngx_colorType(struct pngx * const pngxP);
+
 void
 pngx_setText(struct pngx * const pngxP,
              png_textp     const textP,
@@ -45,6 +71,58 @@ pngx_setIhdr(struct pngx * const pngxP,
              int           const filterMethod);
 
 void
+pngx_setGama(struct pngx * const pngxP,
+             float         const fileGamma);
+
+void
+pngx_setChrm(struct pngx *      const pngxP,
+             struct pngx_chroma const chroma);
+
+void
+pngx_setPhys(struct pngx *    const pngxP,
+             struct pngx_phys const phys);
+
+void
+pngx_setTime(struct pngx * const pngxP,
+             png_time      const time);
+
+void
+pngx_setSbit(struct pngx * const pngxP,
+             png_color_8   const sbit);
+
+void
+pngx_setInterlaceHandling(struct pngx * const pngxP);
+
+void
+pngx_setPlte(struct pngx * const pngxP,
+             png_color *   const palette,
+             unsigned int  const paletteSize);
+
+void
+pngx_setTrnsPalette(struct pngx *    const pngxP,
+                    const png_byte * const transPalette,
+                    unsigned int     const paletteSize);
+
+void
+pngx_setTrnsValue(struct pngx * const pngxP,
+                  png_color_16  const transColorArg);
+
+void
+pngx_setHist(struct pngx * const pngxP,
+             png_uint_16 * const histogram);
+
+struct pngx_trans
+pngx_getTrns(struct pngx * const pngxP);
+
+void
+pngx_setBkgdPalette(struct pngx * const pngxP,
+                    unsigned int  const backgroundIndex);
+
+void
+pngx_setBkgdRgb(struct pngx * const pngxP,
+                png_color_16  const backgroundArg);
+
+void
 pngx_writeInfo(struct pngx * const pngxP);
 
 void