--- poppler-0.26.5/poppler/CairoOutputDev.cc
+++ poppler-0.26.5/poppler/CairoOutputDev.cc
@@ -837,11 +837,17 @@ GBool CairoOutputDev::tilingPatternFill(
cairo_pattern_t *pattern;
cairo_surface_t *surface;
cairo_matrix_t matrix;
+ cairo_matrix_t pattern_matrix;
cairo_t *old_cairo;
double xMin, yMin, xMax, yMax;
double width, height;
+ double scaleX, scaleY;
int surface_width, surface_height;
StrokePathClip *strokePathTmp;
+ GBool adjusted_stroke_width_tmp;
+ cairo_pattern_t *maskTmp;
+ double xoffset, yoffset;
+ double det;
width = bbox[2] - bbox[0];
height = bbox[3] - bbox[1];
@@ -850,8 +856,20 @@ GBool CairoOutputDev::tilingPatternFill(
return gFalse;
/* TODO: implement the other cases here too */
- surface_width = (int) ceil (width);
- surface_height = (int) ceil (height);
+ // Find the width and height of the transformed pattern
+ cairo_get_matrix (cairo, &matrix);
+ cairo_matrix_init (&pattern_matrix, mat[0], mat[1], mat[2], mat[3], mat[4], mat[5]);
+ cairo_matrix_multiply (&matrix, &matrix, &pattern_matrix);
+
+ double widthX = width, widthY = 0;
+ cairo_matrix_transform_distance (&matrix, &widthX, &widthY);
+ surface_width = ceil (sqrt (widthX * widthX + widthY * widthY));
+
+ double heightX = 0, heightY = height;
+ cairo_matrix_transform_distance (&matrix, &heightX, &heightY);
+ surface_height = ceil (sqrt (heightX * heightX + heightY * heightY));
+ scaleX = surface_width / width;
+ scaleY = surface_height / height;
surface = cairo_surface_create_similar (cairo_get_target (cairo),
CAIRO_CONTENT_COLOR_ALPHA,
@@ -865,9 +883,15 @@ GBool CairoOutputDev::tilingPatternFill(
box.x1 = bbox[0]; box.y1 = bbox[1];
box.x2 = bbox[2]; box.y2 = bbox[3];
+ cairo_scale (cairo, scaleX, scaleY);
+ cairo_translate (cairo, -box.x1, -box.y1);
+
strokePathTmp = strokePathClip;
- strokePathClip = NULL;
- gfx = new Gfx(doc, this, resDict, &box, NULL, NULL, NULL, gfxA->getXRef());
+ strokePathClip = NULL;
+ adjusted_stroke_width_tmp = adjusted_stroke_width;
+ maskTmp = mask;
+ mask = NULL;
+ gfx = new Gfx(doc, this, resDict, &box, NULL, NULL, NULL, gfxA->getXRef());
if (paintType == 2)
inUncoloredPattern = gTrue;
gfx->display(str);
@@ -875,6 +899,8 @@ GBool CairoOutputDev::tilingPatternFill(
inUncoloredPattern = gFalse;
delete gfx;
strokePathClip = strokePathTmp;
+ adjusted_stroke_width = adjusted_stroke_width_tmp;
+ mask = maskTmp;
pattern = cairo_pattern_create_for_surface (cairo_get_target (cairo));
cairo_destroy (cairo);
@@ -882,14 +908,23 @@ GBool CairoOutputDev::tilingPatternFill(
if (cairo_pattern_status (pattern))
return gFalse;
+ det = pmat[0] * pmat[3] - pmat[1] * pmat[2];
+ if (fabs(det) < 0.000001)
+ return gFalse;
+
+ xoffset = round ((pmat[3] * pmat[4] - pmat[2] * pmat[5]) / (xStep * det));
+ yoffset = - round ((pmat[1] * pmat[4] - pmat[0] * pmat[5]) / (yStep * det));
+ pattern_matrix.x0 -= xoffset * pattern_matrix.xx * xStep + yoffset * pattern_matrix.xy * yStep;
+ pattern_matrix.y0 -= xoffset * pattern_matrix.yx * xStep + yoffset * pattern_matrix.yy * yStep;
+
state->getUserClipBBox(&xMin, &yMin, &xMax, &yMax);
cairo_rectangle (cairo, xMin, yMin, xMax - xMin, yMax - yMin);
- cairo_matrix_init_scale (&matrix, surface_width / width, surface_height / height);
+ cairo_matrix_init_scale (&matrix, scaleX, scaleY);
+ cairo_matrix_translate (&matrix, -box.x1, -box.y1);
cairo_pattern_set_matrix (pattern, &matrix);
- cairo_matrix_init (&matrix, mat[0], mat[1], mat[2], mat[3], mat[4], mat[5]);
- cairo_transform (cairo, &matrix);
+ cairo_transform (cairo, &pattern_matrix);
cairo_set_source (cairo, pattern);
cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT);
if (strokePathClip) {