Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 1 | // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "ppapi/cpp/graphics_2d.h" |
| 6 | |
| 7 | #include "ppapi/c/pp_errors.h" |
| 8 | #include "ppapi/c/ppb_graphics_2d.h" |
| 9 | #include "ppapi/cpp/completion_callback.h" |
| 10 | #include "ppapi/cpp/image_data.h" |
| 11 | #include "ppapi/cpp/instance_handle.h" |
| 12 | #include "ppapi/cpp/module.h" |
| 13 | #include "ppapi/cpp/module_impl.h" |
| 14 | #include "ppapi/cpp/point.h" |
| 15 | #include "ppapi/cpp/rect.h" |
| 16 | |
| 17 | namespace pp { |
| 18 | |
| 19 | namespace { |
| 20 | |
| 21 | template <> const char* interface_name<PPB_Graphics2D_1_0>() { |
| 22 | return PPB_GRAPHICS_2D_INTERFACE_1_0; |
| 23 | } |
| 24 | |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 25 | template <> const char* interface_name<PPB_Graphics2D_1_1>() { |
| 26 | return PPB_GRAPHICS_2D_INTERFACE_1_1; |
| 27 | } |
| 28 | |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 29 | } // namespace |
| 30 | |
| 31 | Graphics2D::Graphics2D() : Resource() { |
| 32 | } |
| 33 | |
| 34 | Graphics2D::Graphics2D(const Graphics2D& other) |
| 35 | : Resource(other), |
| 36 | size_(other.size_) { |
| 37 | } |
| 38 | |
| 39 | Graphics2D::Graphics2D(const InstanceHandle& instance, |
| 40 | const Size& size, |
| 41 | bool is_always_opaque) |
| 42 | : Resource() { |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 43 | if (has_interface<PPB_Graphics2D_1_1>()) { |
| 44 | PassRefFromConstructor(get_interface<PPB_Graphics2D_1_1>()->Create( |
| 45 | instance.pp_instance(), |
| 46 | &size.pp_size(), |
| 47 | PP_FromBool(is_always_opaque))); |
| 48 | } else if (has_interface<PPB_Graphics2D_1_0>()) { |
| 49 | PassRefFromConstructor(get_interface<PPB_Graphics2D_1_0>()->Create( |
| 50 | instance.pp_instance(), |
| 51 | &size.pp_size(), |
| 52 | PP_FromBool(is_always_opaque))); |
| 53 | } else { |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 54 | return; |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 55 | } |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 56 | if (!is_null()) { |
| 57 | // Only save the size if allocation succeeded. |
| 58 | size_ = size; |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | Graphics2D::~Graphics2D() { |
| 63 | } |
| 64 | |
| 65 | Graphics2D& Graphics2D::operator=(const Graphics2D& other) { |
| 66 | Resource::operator=(other); |
| 67 | size_ = other.size_; |
| 68 | return *this; |
| 69 | } |
| 70 | |
| 71 | void Graphics2D::PaintImageData(const ImageData& image, |
| 72 | const Point& top_left) { |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 73 | if (has_interface<PPB_Graphics2D_1_1>()) { |
| 74 | get_interface<PPB_Graphics2D_1_1>()->PaintImageData(pp_resource(), |
| 75 | image.pp_resource(), |
| 76 | &top_left.pp_point(), |
| 77 | NULL); |
| 78 | } else if (has_interface<PPB_Graphics2D_1_0>()) { |
| 79 | get_interface<PPB_Graphics2D_1_0>()->PaintImageData(pp_resource(), |
| 80 | image.pp_resource(), |
| 81 | &top_left.pp_point(), |
| 82 | NULL); |
| 83 | } |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 84 | } |
| 85 | |
| 86 | void Graphics2D::PaintImageData(const ImageData& image, |
| 87 | const Point& top_left, |
| 88 | const Rect& src_rect) { |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 89 | if (has_interface<PPB_Graphics2D_1_1>()) { |
| 90 | get_interface<PPB_Graphics2D_1_1>()->PaintImageData(pp_resource(), |
| 91 | image.pp_resource(), |
| 92 | &top_left.pp_point(), |
| 93 | &src_rect.pp_rect()); |
| 94 | } else if (has_interface<PPB_Graphics2D_1_0>()) { |
| 95 | get_interface<PPB_Graphics2D_1_0>()->PaintImageData(pp_resource(), |
| 96 | image.pp_resource(), |
| 97 | &top_left.pp_point(), |
| 98 | &src_rect.pp_rect()); |
| 99 | } |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 100 | } |
| 101 | |
| 102 | void Graphics2D::Scroll(const Rect& clip, const Point& amount) { |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 103 | if (has_interface<PPB_Graphics2D_1_1>()) { |
| 104 | get_interface<PPB_Graphics2D_1_1>()->Scroll(pp_resource(), |
| 105 | &clip.pp_rect(), |
| 106 | &amount.pp_point()); |
| 107 | } else if (has_interface<PPB_Graphics2D_1_0>()) { |
| 108 | get_interface<PPB_Graphics2D_1_0>()->Scroll(pp_resource(), |
| 109 | &clip.pp_rect(), |
| 110 | &amount.pp_point()); |
| 111 | } |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 112 | } |
| 113 | |
| 114 | void Graphics2D::ReplaceContents(ImageData* image) { |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 115 | if (has_interface<PPB_Graphics2D_1_1>()) { |
| 116 | get_interface<PPB_Graphics2D_1_1>()->ReplaceContents(pp_resource(), |
| 117 | image->pp_resource()); |
| 118 | } else if (has_interface<PPB_Graphics2D_1_0>()) { |
| 119 | get_interface<PPB_Graphics2D_1_0>()->ReplaceContents(pp_resource(), |
| 120 | image->pp_resource()); |
| 121 | } else { |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 122 | return; |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 123 | } |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 124 | |
| 125 | // On success, reset the image data. This is to help prevent people |
| 126 | // from continuing to use the resource which will result in artifacts. |
| 127 | *image = ImageData(); |
| 128 | } |
| 129 | |
| 130 | int32_t Graphics2D::Flush(const CompletionCallback& cc) { |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 131 | if (has_interface<PPB_Graphics2D_1_1>()) { |
| 132 | return get_interface<PPB_Graphics2D_1_1>()->Flush( |
| 133 | pp_resource(), cc.pp_completion_callback()); |
| 134 | } else if (has_interface<PPB_Graphics2D_1_0>()) { |
| 135 | return get_interface<PPB_Graphics2D_1_0>()->Flush( |
| 136 | pp_resource(), cc.pp_completion_callback()); |
| 137 | } else { |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 138 | return cc.MayForce(PP_ERROR_NOINTERFACE); |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 139 | } |
| 140 | } |
| 141 | |
| 142 | bool Graphics2D::SetScale(float scale) { |
| 143 | if (!has_interface<PPB_Graphics2D_1_1>()) |
| 144 | return false; |
| 145 | return PP_ToBool(get_interface<PPB_Graphics2D_1_1>()->SetScale(pp_resource(), |
| 146 | scale)); |
| 147 | } |
| 148 | |
| 149 | float Graphics2D::GetScale() { |
| 150 | if (!has_interface<PPB_Graphics2D_1_1>()) |
| 151 | return 1.0f; |
| 152 | return get_interface<PPB_Graphics2D_1_1>()->GetScale(pp_resource()); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 153 | } |
| 154 | |
| 155 | } // namespace pp |