diff options
Diffstat (limited to 'source/fitz/list-device.c')
| -rw-r--r-- | source/fitz/list-device.c | 56 |
1 files changed, 53 insertions, 3 deletions
diff --git a/source/fitz/list-device.c b/source/fitz/list-device.c index 7a1f67ee..39314b54 100644 --- a/source/fitz/list-device.c +++ b/source/fitz/list-device.c @@ -31,7 +31,9 @@ typedef enum fz_display_command_e FZ_CMD_BEGIN_TILE, FZ_CMD_END_TILE, FZ_CMD_RENDER_FLAGS, - FZ_CMD_DEFAULT_COLORSPACES + FZ_CMD_DEFAULT_COLORSPACES, + FZ_CMD_BEGIN_LAYER, + FZ_CMD_END_LAYER } fz_display_command; /* The display list is a list of nodes. @@ -165,7 +167,7 @@ fz_append_display_node( const float *alpha, const fz_matrix *ctm, const fz_stroke_state *stroke, - void *private_data, + const void *private_data, int private_data_len) { fz_display_node node = { 0 }; @@ -1262,6 +1264,44 @@ fz_list_set_default_colorspaces(fz_context *ctx, fz_device *dev, fz_default_colo } static void +fz_list_begin_layer(fz_context *ctx, fz_device *dev, const char *layer_name) +{ + fz_append_display_node( + ctx, + dev, + FZ_CMD_BEGIN_LAYER, + 0, /* flags */ + NULL, + NULL, /* path */ + NULL, /* color */ + NULL, /* colorspace */ + NULL, /* alpha */ + NULL, + NULL, /* stroke */ + layer_name, /* private_data */ + 1+strlen(layer_name)); /* private_data_len */ +} + +static void +fz_list_end_layer(fz_context *ctx, fz_device *dev) +{ + fz_append_display_node( + ctx, + dev, + FZ_CMD_END_LAYER, + 0, /* flags */ + NULL, + NULL, /* path */ + NULL, /* color */ + NULL, /* colorspace */ + NULL, /* alpha */ + NULL, /* ctm */ + NULL, /* stroke */ + NULL, /* private_data */ + 0); /* private_data_len */ +} + +static void fz_list_drop_device(fz_context *ctx, fz_device *dev) { fz_list_device *writer = (fz_list_device *)dev; @@ -1307,6 +1347,9 @@ fz_new_list_device(fz_context *ctx, fz_display_list *list) dev->super.render_flags = fz_list_render_flags; dev->super.set_default_colorspaces = fz_list_set_default_colorspaces; + dev->super.begin_layer = fz_list_begin_layer; + dev->super.end_layer = fz_list_end_layer; + dev->super.drop_device = fz_list_drop_device; dev->list = list; @@ -1645,7 +1688,8 @@ fz_run_display_list(fz_context *ctx, fz_display_list *list, fz_device *dev, cons if (tiled || n.cmd == FZ_CMD_BEGIN_TILE || n.cmd == FZ_CMD_END_TILE || - n.cmd == FZ_CMD_RENDER_FLAGS || n.cmd == FZ_CMD_DEFAULT_COLORSPACES) + n.cmd == FZ_CMD_RENDER_FLAGS || n.cmd == FZ_CMD_DEFAULT_COLORSPACES || + n.cmd == FZ_CMD_BEGIN_LAYER || n.cmd == FZ_CMD_END_LAYER) { empty = 0; } @@ -1778,6 +1822,12 @@ visible: case FZ_CMD_DEFAULT_COLORSPACES: fz_set_default_colorspaces(ctx, dev, *(fz_default_colorspaces **)node); break; + case FZ_CMD_BEGIN_LAYER: + fz_begin_layer(ctx, dev, (const char *)node); + break; + case FZ_CMD_END_LAYER: + fz_end_layer(ctx, dev); + break; } } fz_catch(ctx) |