--- /dev/null
+--- cups-filters-1.22.2/filter/pdftoopvp/oprs/OPVPSplashClip.cxx.orig 2019-03-15 19:53:00.000000000 +0100
++++ cups-filters-1.22.2/filter/pdftoopvp/oprs/OPVPSplashClip.cxx 2019-03-27 17:10:02.624632722 +0100
+@@ -32,15 +32,15 @@
+ int i,j;
+ int y, x0, x1;
+ int txMin, tyMin, txMax, tyMax;
+- Guchar *cbuf,*tbuf;
++ unsigned char *cbuf,*tbuf;
+ int blen;
+ OPVPSplashPath *p = new OPVPSplashPath();
+
+ getBBox(&txMin,&tyMin,&txMax,&tyMax);
+ if (txMin > txMax || tyMin > tyMax) return p;
+ blen = txMax-txMin+1;
+- cbuf = new Guchar[blen];
+- tbuf = new Guchar[blen];
++ cbuf = new unsigned char[blen];
++ tbuf = new unsigned char[blen];
+
+ for (y = tyMin;y <= tyMax;y++) {
+ /* clear buffer */
+--- cups-filters-1.22.2/filter/pdftoopvp/oprs/OPVPSplash.cxx.orig 2019-03-15 19:53:00.000000000 +0100
++++ cups-filters-1.22.2/filter/pdftoopvp/oprs/OPVPSplash.cxx 2019-03-27 17:10:35.447788237 +0100
+@@ -1036,7 +1036,7 @@
+ opvp_fix_t opvpx,opvpy;
+ int opvpbytes;
+ int x0, y0;
+- Guchar *bp;
++ unsigned char *bp;
+ SplashClipResult clipRes;
+ SplashCoord xt, yt;
+
+@@ -1060,7 +1060,7 @@
+
+ opvpbytes = (m+3)/4;
+ opvpbytes *= 4;
+- bp = (Guchar *)gmallocn(glyph->h,opvpbytes);
++ bp = (unsigned char *)gmallocn(glyph->h,opvpbytes);
+ for (i = 0;i < glyph->h;i++) {
+ memcpy(bp+i*opvpbytes,glyph->data+i*m,m);
+ }
+@@ -1196,7 +1196,7 @@
+ opvp_fix_t opvpx,opvpy;
+ int opvpbytes;
+ opvp_ctm_t opvpctm;
+- Guchar *buf = 0, *bp;
++ unsigned char *buf = 0, *bp;
+ SplashError result = splashOk;
+ SplashColorPtr lineBuf;
+
+@@ -1204,7 +1204,7 @@
+ /* align 4 */
+ opvpbytes = (opvpbytes+3)/4;
+ opvpbytes *= 4;
+- buf = (Guchar *)gmallocn(h,opvpbytes);
++ buf = (unsigned char *)gmallocn(h,opvpbytes);
+ lineBuf = (SplashColorPtr)gmallocn(8,opvpbytes);
+
+ for (i = 0;i < h;i++) {
+@@ -1213,7 +1213,7 @@
+ bp = buf+opvpbytes*i;
+ (*src)(srcData, lineBuf);
+ for (j = 0;j < w;j += k) {
+- Guchar d;
++ unsigned char d;
+
+ d = 0;
+ for (k = 0;k < 8 && j+k < w;k++) {
+@@ -1467,7 +1467,7 @@
+ int opvpbytes, linesize;
+ opvp_ctm_t opvpctm;
+ SplashError result = splashOk;
+- Guchar *buf = 0, *bp;
++ unsigned char *buf = 0, *bp;
+ SplashColorPtr lineBuf = 0, color;
+ float e,f;
+ int hs,he, hstep;
+@@ -1537,7 +1537,7 @@
+ hs = h-1;
+ he = -1;
+ }
+- buf = (Guchar *)gmallocn(h,opvpbytes);
++ buf = (unsigned char *)gmallocn(h,opvpbytes);
+ lineBuf = (SplashColorPtr)gmallocn(lineBufSize,1);
+ switch (colorMode) {
+ case splashModeMono1:
+@@ -1682,7 +1682,7 @@
+ opvp_fix_t opvpx,opvpy;
+ int opvpbytes;
+ opvp_ctm_t opvpctm;
+- Guchar *buf = 0, *bp;
++ unsigned char *buf = 0, *bp;
+
+ switch (colorMode) {
+ case splashModeMono1:
+@@ -1699,7 +1699,7 @@
+ return splashErrOPVP;
+ break;
+ }
+- buf = (Guchar *)gmallocn(h,opvpbytes);
++ buf = (unsigned char *)gmallocn(h,opvpbytes);
+
+ switch (colorMode) {
+ case splashModeMono1:
+@@ -1929,8 +1929,8 @@
+ p += linesize;
+ }
+ /* allocate line buffer */
+- Guchar *lineBuf = (Guchar *)gmallocn(opvpbytes,1);
+- Guchar *onBuf = (Guchar *)gmallocn(width,1);
++ unsigned char *lineBuf = (unsigned char *)gmallocn(opvpbytes,1);
++ unsigned char *onBuf = (unsigned char *)gmallocn(width,1);
+ OPVPSplashClip *clip;
+ opvpctm.a = 1.0;
+ opvpctm.b = 0.0;
+@@ -2025,7 +2025,7 @@
+ /* find end pixel */
+ for (ex = sx+1;onBuf[ex] != 0 && ex < width;ex++);
+ int n = ex-sx;
+- Guchar *bp;
++ unsigned char *bp;
+ int ns;
+
+ switch (colorMode) {
+--- cups-filters-1.22.2/filter/pdftoopvp/OPVPOutputDev.h.orig 2019-03-15 19:53:00.000000000 +0100
++++ cups-filters-1.22.2/filter/pdftoopvp/OPVPOutputDev.h 2019-03-27 17:11:39.447441521 +0100
+@@ -15,7 +15,6 @@
+ #pragma interface
+ #endif
+
+-#include "goo/gtypes.h"
+ #include "splash/SplashTypes.h"
+ #include "config.h"
+ #include "OutputDev.h"
+@@ -195,18 +194,18 @@
+ SplashPattern *getColor(GfxGray gray, GfxRGB *rgb);
+ OPVPSplashPath *convertPath(GfxState *state, GfxPath *path);
+ void drawType3Glyph(T3FontCache *t3Font,
+- T3FontCacheTag *tag, Guchar *data,
++ T3FontCacheTag *tag, unsigned char *data,
+ double x, double y);
+ void patternFillChar(GfxState *state,
+ double x, double y, CharCode code);
+
+ static bool imageMaskSrc(void *data, SplashColorPtr line);
+ static bool imageSrc(void *data, SplashColorPtr line,
+- Guchar *alphaLine);
++ unsigned char *alphaLine);
+ static bool alphaImageSrc(void *data, SplashColorPtr line,
+- Guchar *alphaLine);
++ unsigned char *alphaLine);
+ static bool maskedImageSrc(void *data, SplashColorPtr line,
+- Guchar *alphaLine);
++ unsigned char *alphaLine);
+
+ OPVPSplashPath *bitmapToPath(SplashBitmap *bitmapA, int width, int height);
+ void closeAllSubPath(OPVPSplashPath *path);
+--- cups-filters-1.22.2/filter/pdftoopvp/OPVPOutputDev.cxx.orig 2019-03-15 19:53:00.000000000 +0100
++++ cups-filters-1.22.2/filter/pdftoopvp/OPVPOutputDev.cxx 2019-03-27 17:12:06.283962802 +0100
+@@ -89,8 +89,8 @@
+ //------------------------------------------------------------------------
+
+ struct T3FontCacheTag {
+- Gushort code;
+- Gushort mru; // valid bit (0x8000) and MRU index
++ unsigned short code;
++ unsigned short mru; // valid bit (0x8000) and MRU index
+ };
+
+ class T3FontCache {
+@@ -113,7 +113,7 @@
+ int glyphSize; // size of glyph bitmaps, in bytes
+ int cacheSets; // number of sets in cache
+ int cacheAssoc; // cache associativity (glyphs per set)
+- Guchar *cacheData; // glyph pixmap cache
++ unsigned char *cacheData; // glyph pixmap cache
+ T3FontCacheTag *cacheTags; // cache tags, i.e., char codes
+ };
+
+@@ -147,7 +147,7 @@
+ } else {
+ cacheSets = 1;
+ }
+- cacheData = (Guchar *)gmallocn3(cacheSets , cacheAssoc , glyphSize);
++ cacheData = (unsigned char *)gmallocn3(cacheSets , cacheAssoc , glyphSize);
+ cacheTags = (T3FontCacheTag *)gmallocn3(cacheSets , cacheAssoc ,
+ sizeof(T3FontCacheTag));
+ for (i = 0; i < cacheSets * cacheAssoc; ++i) {
+@@ -161,13 +161,13 @@
+ }
+
+ struct T3GlyphStack {
+- Gushort code; // character code
++ unsigned short code; // character code
+ double x, y; // position to draw the glyph
+
+ //----- cache info
+ T3FontCache *cache; // font cache for the current font
+ T3FontCacheTag *cacheTag; // pointer to cache tag for the glyph
+- Guchar *cacheData; // pointer to cache data for the glyph
++ unsigned char *cacheData; // pointer to cache data for the glyph
+
+ //----- saved state
+ SplashBitmap *origBitmap;
+@@ -1010,7 +1010,7 @@
+ }
+
+ void OPVPOutputDev::drawType3Glyph(T3FontCache *t3Font,
+- T3FontCacheTag *tag, Guchar *data,
++ T3FontCacheTag *tag, unsigned char *data,
+ double x, double y) {
+ SplashGlyphBitmap glyph;
+
+@@ -1040,7 +1040,7 @@
+
+ bool OPVPOutputDev::imageMaskSrc(void *data, SplashColorPtr line) {
+ SplashOutImageMaskData *imgMaskData = (SplashOutImageMaskData *)data;
+- Guchar *p;
++ unsigned char *p;
+ SplashColorPtr q;
+ int x;
+
+@@ -1101,10 +1101,10 @@
+ };
+
+ bool OPVPOutputDev::imageSrc(void *data, SplashColorPtr line,
+- Guchar *alphaLine)
++ unsigned char *alphaLine)
+ {
+ SplashOutImageData *imgData = (SplashOutImageData *)data;
+- Guchar *p;
++ unsigned char *p;
+ SplashColorPtr q, col;
+ GfxRGB rgb;
+ GfxGray gray;
+@@ -1212,16 +1212,16 @@
+ }
+
+ bool OPVPOutputDev::alphaImageSrc(void *data, SplashColorPtr line,
+- Guchar *alphaLine) {
++ unsigned char *alphaLine) {
+ SplashOutImageData *imgData = (SplashOutImageData *)data;
+- Guchar *p;
++ unsigned char *p;
+ SplashColorPtr q, col;
+ GfxRGB rgb;
+ GfxGray gray;
+ #if SPLASH_CMYK
+ GfxCMYK cmyk;
+ #endif
+- Guchar alpha;
++ unsigned char alpha;
+ int nComps, x, i;
+
+ if (imgData->y == imgData->height) {
+@@ -1334,7 +1334,7 @@
+ #if SPLASH_CMYK
+ GfxCMYK cmyk;
+ #endif
+- Guchar pix;
++ unsigned char pix;
+ int n, i;
+
+ ctm = state->getCTM();
+@@ -1366,7 +1366,7 @@
+ case splashModeMono8:
+ imgData.lookup = (SplashColorPtr)gmallocn(n,1);
+ for (i = 0; i < n; ++i) {
+- pix = (Guchar)i;
++ pix = (unsigned char)i;
+ colorMap->getGray(&pix, &gray);
+ imgData.lookup[i] = colToByte(gray);
+ }
+@@ -1374,7 +1374,7 @@
+ case splashModeRGB8:
+ imgData.lookup = (SplashColorPtr)gmallocn(n,3);
+ for (i = 0; i < n; ++i) {
+- pix = (Guchar)i;
++ pix = (unsigned char)i;
+ colorMap->getRGB(&pix, &rgb);
+ imgData.lookup[3*i] = colToByte(rgb.r);
+ imgData.lookup[3*i+1] = colToByte(rgb.g);
+@@ -1384,7 +1384,7 @@
+ case splashModeBGR8:
+ imgData.lookup = (SplashColorPtr)gmallocn(n,3);
+ for (i = 0; i < n; ++i) {
+- pix = (Guchar)i;
++ pix = (unsigned char)i;
+ colorMap->getRGB(&pix, &rgb);
+ imgData.lookup[3*i] = colToByte(rgb.b);
+ imgData.lookup[3*i+1] = colToByte(rgb.g);
+@@ -1395,7 +1395,7 @@
+ case splashModeCMYK8:
+ imgData.lookup = (SplashColorPtr)gmallocn(n,4);
+ for (i = 0; i < n; ++i) {
+- pix = (Guchar)i;
++ pix = (unsigned char)i;
+ colorMap->getCMYK(&pix, &cmyk);
+ imgData.lookup[4*i] = colToByte(cmyk.c);
+ imgData.lookup[4*i+1] = colToByte(cmyk.m);
+@@ -1440,9 +1440,9 @@
+ };
+
+ bool OPVPOutputDev::maskedImageSrc(void *data, SplashColorPtr line,
+- Guchar *alphaLine) {
++ unsigned char *alphaLine) {
+ SplashOutMaskedImageData *imgData = (SplashOutMaskedImageData *)data;
+- Guchar *p;
++ unsigned char *p;
+ SplashColor maskColor;
+ SplashColorPtr q, col;
+ GfxRGB rgb;
+@@ -1450,7 +1450,7 @@
+ #if SPLASH_CMYK
+ GfxCMYK cmyk;
+ #endif
+- Guchar alpha;
++ unsigned char alpha;
+ int nComps, x;
+
+ if (imgData->y == imgData->height) {
+@@ -1562,7 +1562,7 @@
+ #if SPLASH_CMYK
+ GfxCMYK cmyk;
+ #endif
+- Guchar pix;
++ unsigned char pix;
+ int n, i;
+
+ //----- scale the mask image to the same size as the source image
+@@ -1622,7 +1622,7 @@
+ case splashModeMono8:
+ imgData.lookup = (SplashColorPtr)gmallocn(n,1);
+ for (i = 0; i < n; ++i) {
+- pix = (Guchar)i;
++ pix = (unsigned char)i;
+ colorMap->getGray(&pix, &gray);
+ imgData.lookup[i] = colToByte(gray);
+ }
+@@ -1630,7 +1630,7 @@
+ case splashModeRGB8:
+ imgData.lookup = (SplashColorPtr)gmallocn(n,3);
+ for (i = 0; i < n; ++i) {
+- pix = (Guchar)i;
++ pix = (unsigned char)i;
+ colorMap->getRGB(&pix, &rgb);
+ imgData.lookup[3*i] = colToByte(rgb.r);
+ imgData.lookup[3*i+1] = colToByte(rgb.g);
+@@ -1640,7 +1640,7 @@
+ case splashModeBGR8:
+ imgData.lookup = (SplashColorPtr)gmallocn(n,3);
+ for (i = 0; i < n; ++i) {
+- pix = (Guchar)i;
++ pix = (unsigned char)i;
+ colorMap->getRGB(&pix, &rgb);
+ imgData.lookup[3*i] = colToByte(rgb.b);
+ imgData.lookup[3*i+1] = colToByte(rgb.g);
+@@ -1651,7 +1651,7 @@
+ case splashModeCMYK8:
+ imgData.lookup = (SplashColorPtr)gmallocn(n,4);
+ for (i = 0; i < n; ++i) {
+- pix = (Guchar)i;
++ pix = (unsigned char)i;
+ colorMap->getCMYK(&pix, &cmyk);
+ imgData.lookup[4*i] = colToByte(cmyk.c);
+ imgData.lookup[4*i+1] = colToByte(cmyk.m);
+@@ -1717,7 +1717,7 @@
+ #if SPLASH_CMYK
+ GfxCMYK cmyk;
+ #endif
+- Guchar pix;
++ unsigned char pix;
+ int n, i;
+
+ ctm = state->getCTM();
+@@ -1743,7 +1743,7 @@
+ n = 1 << maskColorMap->getBits();
+ imgMaskData.lookup = (SplashColorPtr)gmallocn(n,1);
+ for (i = 0; i < n; ++i) {
+- pix = (Guchar)i;
++ pix = (unsigned char)i;
+ maskColorMap->getGray(&pix, &gray);
+ imgMaskData.lookup[i] = colToByte(gray);
+ }
+@@ -1793,7 +1793,7 @@
+ case splashModeMono8:
+ imgData.lookup = (SplashColorPtr)gmallocn(n,1);
+ for (i = 0; i < n; ++i) {
+- pix = (Guchar)i;
++ pix = (unsigned char)i;
+ colorMap->getGray(&pix, &gray);
+ imgData.lookup[i] = colToByte(gray);
+ }
+@@ -1801,7 +1801,7 @@
+ case splashModeRGB8:
+ imgData.lookup = (SplashColorPtr)gmallocn(n,3);
+ for (i = 0; i < n; ++i) {
+- pix = (Guchar)i;
++ pix = (unsigned char)i;
+ colorMap->getRGB(&pix, &rgb);
+ imgData.lookup[3*i] = colToByte(rgb.r);
+ imgData.lookup[3*i+1] = colToByte(rgb.g);
+@@ -1811,7 +1811,7 @@
+ case splashModeBGR8:
+ imgData.lookup = (SplashColorPtr)gmallocn(n,3);
+ for (i = 0; i < n; ++i) {
+- pix = (Guchar)i;
++ pix = (unsigned char)i;
+ colorMap->getRGB(&pix, &rgb);
+ imgData.lookup[3*i] = colToByte(rgb.b);
+ imgData.lookup[3*i+1] = colToByte(rgb.g);
+@@ -1822,7 +1822,7 @@
+ case splashModeCMYK8:
+ imgData.lookup = (SplashColorPtr)gmallocn(n,4);
+ for (i = 0; i < n; ++i) {
+- pix = (Guchar)i;
++ pix = (unsigned char)i;
+ colorMap->getCMYK(&pix, &cmyk);
+ imgData.lookup[4*i] = colToByte(cmyk.c);
+ imgData.lookup[4*i+1] = colToByte(cmyk.m);