Attachment 109843 Details for Bug 86388 – Use correct LAB byte array for lcms input

[patch] Use correct LAB byte array for lcms input

86388.patch (text/plain), 8.04 KB, created by Thomas Freitag on 2014-11-22 10:52:37 UTC

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Creator: Thomas Freitag

Created: 2014-11-22 10:52:37 UTC

Size: 8.04 KB

patch

obsolete

>diff --git a/poppler/GfxState.cc b/poppler/GfxState.cc
>index eae85dc..b0e1bfa 100644
>--- a/poppler/GfxState.cc
>+++ b/poppler/GfxState.cc
>@@ -203,10 +203,11 @@ void GfxColorTransform::doTransform(void *in, void *out, unsigned int size) {
> }
> 
> // transformA should be a cmsHTRANSFORM
>-GfxColorTransform::GfxColorTransform(void *transformA, int cmsIntentA, unsigned int transformPixelTypeA) {
>+GfxColorTransform::GfxColorTransform(void *transformA, int cmsIntentA, unsigned int inputPixelTypeA, unsigned int transformPixelTypeA) {
>   transform = transformA;
>   refCount = 1;
>   cmsIntent = cmsIntentA;
>+  inputPixelType = inputPixelTypeA;
>   transformPixelType = transformPixelTypeA;
> }
> 
>@@ -250,7 +251,7 @@ void GfxColorSpace::setDisplayProfile(void *displayProfileA) {
> 	  INTENT_RELATIVE_COLORIMETRIC,LCMS_FLAGS)) == 0) {
>       error(errSyntaxWarning, -1, "Can't create Lab transform");
>     } else {
>-      XYZ2DisplayTransform = new GfxColorTransform(transform, INTENT_RELATIVE_COLORIMETRIC, displayPixelType);
>+      XYZ2DisplayTransform = new GfxColorTransform(transform, INTENT_RELATIVE_COLORIMETRIC, PT_XYZ, displayPixelType);
>     }
>     cmsCloseProfile(XYZProfile);
>   }
>@@ -452,7 +453,7 @@ int GfxColorSpace::setupColorProfiles()
> 	  INTENT_RELATIVE_COLORIMETRIC,LCMS_FLAGS)) == 0) {
>       error(errSyntaxWarning, -1, "Can't create Lab transform");
>     } else {
>-      XYZ2DisplayTransform = new GfxColorTransform(transform, INTENT_RELATIVE_COLORIMETRIC, displayPixelType);
>+      XYZ2DisplayTransform = new GfxColorTransform(transform, INTENT_RELATIVE_COLORIMETRIC, PT_XYZ, displayPixelType);
>     }
>     cmsCloseProfile(XYZProfile);
>   }
>@@ -1950,7 +1951,7 @@ GfxColorSpace *GfxICCBasedColorSpace::parse(Array *arr, OutputDev *out, GfxState
>       error(errSyntaxWarning, -1, "Can't create transform");
>       cs->transform = NULL;
>     } else {
>-      cs->transform = new GfxColorTransform(transform, cmsIntent, dcst);
>+      cs->transform = new GfxColorTransform(transform, cmsIntent, cst, dcst);
>     }
>     if (dcst == PT_RGB || dcst == PT_CMYK) {
>        // create line transform only when the display is RGB type color space 
>@@ -1960,7 +1961,7 @@ GfxColorSpace *GfxICCBasedColorSpace::parse(Array *arr, OutputDev *out, GfxState
> 	error(errSyntaxWarning, -1, "Can't create transform");
> 	cs->lineTransform = NULL;
>       } else {
>-	cs->lineTransform = new GfxColorTransform(transform, cmsIntent, dcst);
>+	cs->lineTransform = new GfxColorTransform(transform, cmsIntent, cst, dcst);
>       }
>     }
>     cmsCloseProfile(hp);
>@@ -1982,8 +1983,14 @@ void GfxICCBasedColorSpace::getGray(GfxColor *color, GfxGray *gray) {
>     Guchar in[gfxColorMaxComps];
>     Guchar out[gfxColorMaxComps];
>     
>-    for (int i = 0;i < nComps;i++) {
>+    if (nComps == 3 && transform->getInputPixelType() == PT_Lab) {
>+      in[0] = colToByte(dblToCol(colToDbl(color->c[0]) / 100.0));
>+      in[1] = colToByte(dblToCol((colToDbl(color->c[1]) + 128.0) / 255.0));
>+      in[2] = colToByte(dblToCol((colToDbl(color->c[2]) + 128.0) / 255.0));
>+    } else {
>+      for (int i = 0;i < nComps;i++) {
> 	in[i] = colToByte(color->c[i]);
>+      }
>     }
>     if (nComps <= 4) {
>       unsigned int key = 0;
>@@ -2025,8 +2032,14 @@ void GfxICCBasedColorSpace::getRGB(GfxColor *color, GfxRGB *rgb) {
>     Guchar in[gfxColorMaxComps];
>     Guchar out[gfxColorMaxComps];
>     
>-    for (int i = 0;i < nComps;i++) {
>+    if (nComps == 3 && transform->getInputPixelType() == PT_Lab) {
>+      in[0] = colToByte(dblToCol(colToDbl(color->c[0]) / 100.0));
>+      in[1] = colToByte(dblToCol((colToDbl(color->c[1]) + 128.0) / 255.0));
>+      in[2] = colToByte(dblToCol((colToDbl(color->c[2]) + 128.0) / 255.0));
>+    } else {
>+      for (int i = 0;i < nComps;i++) {
> 	in[i] = colToByte(color->c[i]);
>+      }
>     }
>     if (nComps <= 4) {
>       unsigned int key = 0;
>@@ -2059,8 +2072,14 @@ void GfxICCBasedColorSpace::getRGB(GfxColor *color, GfxRGB *rgb) {
>     Guchar out[gfxColorMaxComps];
>     double c, m, y, k, c1, m1, y1, k1, r, g, b;
> 
>-    for (int i = 0;i < nComps;i++) {
>+    if (nComps == 3 && transform->getInputPixelType() == PT_Lab) {
>+      in[0] = colToByte(dblToCol(colToDbl(color->c[0]) / 100.0));
>+      in[1] = colToByte(dblToCol((colToDbl(color->c[1]) + 128.0) / 255.0));
>+      in[2] = colToByte(dblToCol((colToDbl(color->c[2]) + 128.0) / 255.0));
>+    } else {
>+      for (int i = 0;i < nComps;i++) {
> 	in[i] = colToByte(color->c[i]);
>+      }
>     }
>     if (nComps <= 4) {
>       unsigned int key = 0;
>@@ -2271,8 +2290,14 @@ void GfxICCBasedColorSpace::getCMYK(GfxColor *color, GfxCMYK *cmyk) {
>     Guchar in[gfxColorMaxComps];
>     Guchar out[gfxColorMaxComps];
>     
>-    for (int i = 0;i < nComps;i++) {
>+    if (nComps == 3 && transform->getInputPixelType() == PT_Lab) {
>+      in[0] = colToByte(dblToCol(colToDbl(color->c[0]) / 100.0));
>+      in[1] = colToByte(dblToCol((colToDbl(color->c[1]) + 128.0) / 255.0));
>+      in[2] = colToByte(dblToCol((colToDbl(color->c[2]) + 128.0) / 255.0));
>+    } else {
>+      for (int i = 0;i < nComps;i++) {
> 	in[i] = colToByte(color->c[i]);
>+      }
>     }
>     if (nComps <= 4) {
>       unsigned int key = 0;
>@@ -6668,7 +6693,7 @@ void GfxState::setDisplayProfile(cmsHPROFILE localDisplayProfileA) {
> 	  INTENT_RELATIVE_COLORIMETRIC,LCMS_FLAGS)) == 0) {
>       error(errSyntaxWarning, -1, "Can't create Lab transform");
>     } else {
>-      XYZ2DisplayTransformRelCol = new GfxColorTransform(transform, INTENT_RELATIVE_COLORIMETRIC, localDisplayPixelType);
>+      XYZ2DisplayTransformRelCol = new GfxColorTransform(transform, INTENT_RELATIVE_COLORIMETRIC, PT_XYZ, localDisplayPixelType);
>     }
>     if ((transform = cmsCreateTransform(XYZProfile, TYPE_XYZ_DBL,
> 	   localDisplayProfile,
>@@ -6677,7 +6702,7 @@ void GfxState::setDisplayProfile(cmsHPROFILE localDisplayProfileA) {
> 	  INTENT_ABSOLUTE_COLORIMETRIC,LCMS_FLAGS)) == 0) {
>       error(errSyntaxWarning, -1, "Can't create Lab transform");
>     } else {
>-      XYZ2DisplayTransformAbsCol = new GfxColorTransform(transform, INTENT_ABSOLUTE_COLORIMETRIC, localDisplayPixelType);
>+      XYZ2DisplayTransformAbsCol = new GfxColorTransform(transform, INTENT_ABSOLUTE_COLORIMETRIC, PT_XYZ, localDisplayPixelType);
>     }
>     if ((transform = cmsCreateTransform(XYZProfile, TYPE_XYZ_DBL,
> 	   localDisplayProfile,
>@@ -6686,7 +6711,7 @@ void GfxState::setDisplayProfile(cmsHPROFILE localDisplayProfileA) {
> 	  INTENT_SATURATION,LCMS_FLAGS)) == 0) {
>       error(errSyntaxWarning, -1, "Can't create Lab transform");
>     } else {
>-      XYZ2DisplayTransformSat = new GfxColorTransform(transform, INTENT_SATURATION, localDisplayPixelType);
>+      XYZ2DisplayTransformSat = new GfxColorTransform(transform, INTENT_SATURATION, PT_XYZ, localDisplayPixelType);
>     }
>     if ((transform = cmsCreateTransform(XYZProfile, TYPE_XYZ_DBL,
> 	   localDisplayProfile,
>@@ -6695,7 +6720,7 @@ void GfxState::setDisplayProfile(cmsHPROFILE localDisplayProfileA) {
> 	  INTENT_PERCEPTUAL,LCMS_FLAGS)) == 0) {
>       error(errSyntaxWarning, -1, "Can't create Lab transform");
>     } else {
>-      XYZ2DisplayTransformPerc = new GfxColorTransform(transform, INTENT_PERCEPTUAL, localDisplayPixelType);
>+      XYZ2DisplayTransformPerc = new GfxColorTransform(transform, INTENT_PERCEPTUAL, PT_XYZ, localDisplayPixelType);
>     }
>     cmsCloseProfile(XYZProfile);
>   }
>diff --git a/poppler/GfxState.h b/poppler/GfxState.h
>index 106b2c0..a1fef4b 100644
>--- a/poppler/GfxState.h
>+++ b/poppler/GfxState.h
>@@ -182,9 +182,10 @@ class GfxColorTransform {
> public:
>   void doTransform(void *in, void *out, unsigned int size);
>   // transformA should be a cmsHTRANSFORM
>-  GfxColorTransform(void *transformA, int cmsIntent, unsigned int transformPixelType);
>+  GfxColorTransform(void *transformA, int cmsIntent, unsigned int inputPixelType, unsigned int transformPixelType);
>   ~GfxColorTransform();
>   int getIntent() { return cmsIntent; }
>+  int getInputPixelType() { return inputPixelType; }
>   int getTransformPixelType() { return transformPixelType; }
>   void ref();
>   unsigned int unref();
>@@ -193,6 +194,7 @@ private:
>   void *transform;
>   unsigned int refCount;
>   int cmsIntent;
>+  unsigned int inputPixelType;
>   unsigned int transformPixelType;
> };
>

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Attachments on bug 86388: 109615 | 109621 | 109646 | 109647 | 109843 | 109941 | 109951 | 109960

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