diff options
| -rw-r--r-- | source/fitz/draw-device.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/source/fitz/draw-device.c b/source/fitz/draw-device.c index a92c88b5..355022f3 100644 --- a/source/fitz/draw-device.c +++ b/source/fitz/draw-device.c @@ -1857,9 +1857,15 @@ fz_draw_end_tile(fz_device *devp) * single tile) (see fts_15_1506.pdf for an example). This means that * we have to bias the left hand/bottom edge calculations by the * difference between the step and the width/height of the tile. */ - /* state[0].scissor = view, transformed by ctm */ - x0 = floorf((area.x0 + xstep - state[0].scissor.x1 + state[0].scissor.x0) / xstep); - y0 = floorf((area.y0 + ystep - state[0].scissor.y1 + state[0].scissor.y0) / ystep); + /* scissor, xstep and area are all in pattern space. */ + x0 = xstep - scissor.x1 + scissor.x0; + if (x0 > 0) + x0 = 0; + y0 = ystep - scissor.y1 + scissor.y0; + if (y0 > 0) + y0 = 0; + x0 = floorf((area.x0 + x0) / xstep); + y0 = floorf((area.y0 + y0) / ystep); x1 = ceilf(area.x1 / xstep); y1 = ceilf(area.y1 / ystep); |