diff options
Diffstat (limited to 'draw/draw_device.c')
-rw-r--r-- | draw/draw_device.c | 60 |
1 files changed, 52 insertions, 8 deletions
diff --git a/draw/draw_device.c b/draw/draw_device.c index 2634c4f8..5583c30e 100644 --- a/draw/draw_device.c +++ b/draw/draw_device.c @@ -1461,8 +1461,10 @@ fz_draw_begin_tile(fz_device *devp, fz_rect area, fz_rect view, float xstep, flo { fz_draw_device *dev = devp->user; fz_colorspace *model = dev->dest->colorspace; - fz_pixmap *dest; + fz_pixmap *dest = NULL; + fz_pixmap *shape = dev->shape; fz_bbox bbox; + fz_context *ctx = dev->ctx; /* area, view, xstep, ystep are in pattern space */ /* ctm maps from pattern space to device space */ @@ -1482,7 +1484,20 @@ fz_draw_begin_tile(fz_device *devp, fz_rect area, fz_rect view, float xstep, flo dest = fz_new_pixmap_with_rect(dev->ctx, model, bbox); /* FIXME: See note #1 */ fz_clear_pixmap(dest); - + if (shape) + { + fz_var(shape); + fz_try(ctx) + { + shape = fz_new_pixmap_with_rect(dev->ctx, NULL, bbox); + fz_clear_pixmap(shape); + } + fz_catch(ctx) + { + fz_drop_pixmap(ctx, dest); + fz_rethrow(ctx); + } + } dev->stack[dev->top].scissor = dev->scissor; dev->stack[dev->top].dest = dev->dest; dev->stack[dev->top].shape = dev->shape; @@ -1499,6 +1514,7 @@ fz_draw_begin_tile(fz_device *devp, fz_rect area, fz_rect view, float xstep, flo dev->scissor = bbox; dev->dest = dest; + dev->shape = shape; } static void @@ -1506,26 +1522,24 @@ fz_draw_end_tile(fz_device *devp) { fz_draw_device *dev = devp->user; fz_pixmap *tile = dev->dest; + fz_pixmap *tileshape = dev->shape; float xstep, ystep; - fz_matrix ctm, ttm; + fz_matrix ctm, ttm, shapectm; fz_rect area; int x0, y0, x1, y1, x, y; if (dev->top > 0) { dev->top--; -#ifdef DUMP_GROUP_BLENDS - dump_spaces(dev->top, "Tile end\n"); -#endif xstep = dev->stack[dev->top].xstep; ystep = dev->stack[dev->top].ystep; area = dev->stack[dev->top].area; ctm = dev->stack[dev->top].ctm; dev->scissor = dev->stack[dev->top].scissor; dev->dest = dev->stack[dev->top].dest; + dev->shape = dev->stack[dev->top].shape; dev->blendmode = dev->stack[dev->top].blendmode; - x0 = floorf(area.x0 / xstep); y0 = floorf(area.y0 / ystep); x1 = ceilf(area.x1 / xstep); @@ -1533,6 +1547,22 @@ fz_draw_end_tile(fz_device *devp) ctm.e = tile->x; ctm.f = tile->y; + if (tileshape) + { + shapectm = ctm; + shapectm.e = tileshape->x; + shapectm.f = tileshape->y; + } + +#ifdef DUMP_GROUP_BLENDS + dump_spaces(dev->top, ""); + fz_dump_blend(dev->ctx, tile, "Tiling "); + if (tileshape) + fz_dump_blend(dev->ctx, tileshape, "/"); + fz_dump_blend(dev->ctx, dev->dest, " onto "); + if (dev->shape) + fz_dump_blend(dev->ctx, dev->shape, "/"); +#endif for (y = y0; y < y1; y++) { @@ -1542,10 +1572,24 @@ fz_draw_end_tile(fz_device *devp) tile->x = ttm.e; tile->y = ttm.f; fz_paint_pixmap_with_rect(dev->dest, tile, 255, dev->scissor); + if (tileshape) + { + ttm = fz_concat(fz_translate(x * xstep, y * ystep), shapectm); + tileshape->x = ttm.e; + tileshape->y = ttm.f; + fz_paint_pixmap_with_rect(dev->shape, tileshape, 255, dev->scissor); + } } } fz_drop_pixmap(dev->ctx, tile); + fz_drop_pixmap(dev->ctx, tileshape); +#ifdef DUMP_GROUP_BLENDS + fz_dump_blend(dev->ctx, dev->dest, " to get "); + if (dev->shape) + fz_dump_blend(dev->ctx, dev->shape, "/"); + printf("\n"); +#endif } if (dev->blendmode & FZ_BLEND_KNOCKOUT) @@ -1557,7 +1601,7 @@ fz_draw_free_user(fz_device *devp) { fz_draw_device *dev = devp->user; fz_context *ctx = dev->ctx; - /* TODO: pop and free the stacks */ + /* pop and free the stacks */ if (dev->top > 0) { fz_warn(ctx, "items left on stack in draw device: %d", dev->top); |