| // Copyright 2019 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // |
| // |
| // |
| |
| #include "raster_builder.h" |
| |
| #include "float.h" |
| |
| // |
| // IDENTITY TRANSFORM |
| // |
| |
| float const spn_transform_identity[8] = { |
| 1.0f, // sx |
| 0.0f, // shx |
| 0.0f, // shy |
| 1.0f, // sy |
| 0.0f, // tx |
| 0.0f, // ty |
| 0.0f, // w0 |
| 0.0f, // w1 |
| }; |
| |
| // |
| // DEFAULT CLIP |
| // |
| |
| float const spn_clip_default[4] = { |
| -FLT_MAX, // lower left corner of bounding box |
| -FLT_MAX, |
| +FLT_MAX, // upper right corner of bounding box |
| +FLT_MAX, |
| }; |
| |
| // |
| // |
| // |
| |
| spn_result |
| spn_raster_builder_retain(spn_raster_builder_t raster_builder) |
| { |
| raster_builder->refcount += 1; |
| |
| return SPN_SUCCESS; |
| } |
| |
| spn_result |
| spn_raster_builder_release(spn_raster_builder_t raster_builder) |
| { |
| SPN_ASSERT_STATE_ASSERT(SPN_RASTER_BUILDER_STATE_READY, raster_builder); |
| |
| raster_builder->release(raster_builder->impl); |
| |
| return SPN_SUCCESS; |
| } |
| |
| // |
| // |
| // |
| |
| spn_result |
| spn_raster_begin(spn_raster_builder_t raster_builder) |
| { |
| SPN_ASSERT_STATE_TRANSITION(SPN_RASTER_BUILDER_STATE_READY, |
| SPN_RASTER_BUILDER_STATE_BUILDING, |
| raster_builder); |
| |
| return raster_builder->begin(raster_builder->impl); |
| } |
| |
| spn_result |
| spn_raster_end(spn_raster_builder_t raster_builder, spn_raster_t * raster) |
| { |
| SPN_ASSERT_STATE_TRANSITION(SPN_RASTER_BUILDER_STATE_BUILDING, |
| SPN_RASTER_BUILDER_STATE_READY, |
| raster_builder); |
| |
| return raster_builder->end(raster_builder->impl, raster); |
| } |
| |
| // |
| // |
| // |
| |
| spn_result |
| spn_raster_flush(spn_raster_builder_t raster_builder) |
| { |
| // |
| // it doesn't matter what the state is |
| // |
| return raster_builder->flush(raster_builder->impl); |
| } |
| |
| // |
| // |
| // |
| |
| spn_result |
| spn_raster_fill(spn_raster_builder_t raster_builder, |
| spn_path_t * paths, |
| spn_transform_weakref_t * transform_weakrefs, |
| float const (*transforms)[8], |
| spn_clip_weakref_t * clip_weakrefs, |
| float const (*clips)[4], |
| uint32_t count) |
| { |
| SPN_ASSERT_STATE_ASSERT(SPN_RASTER_BUILDER_STATE_BUILDING, raster_builder); |
| |
| return raster_builder->fill(raster_builder->impl, |
| paths, |
| transform_weakrefs, |
| transforms, |
| clip_weakrefs, |
| clips, |
| count); |
| } |
| |
| // |
| // |
| // |
