keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 1 | #include "PictureRenderer.h" |
| 2 | #include "SamplePipeControllers.h" |
| 3 | #include "SkCanvas.h" |
| 4 | #include "SkDevice.h" |
| 5 | #include "SkGPipe.h" |
| 6 | #include "SkPicture.h" |
| 7 | #include "SkTDArray.h" |
| 8 | #include "SkTypes.h" |
| 9 | #include "picture_utils.h" |
| 10 | |
| 11 | namespace sk_tools { |
| 12 | |
| 13 | enum { |
| 14 | kDefaultTileWidth = 256, |
| 15 | kDefaultTileHeight = 256 |
| 16 | }; |
| 17 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 18 | void PictureRenderer::init(SkPicture* pict) { |
| 19 | SkASSERT(fPicture == NULL); |
| 20 | SkASSERT(fCanvas.get() == NULL); |
| 21 | if (fPicture != NULL || fCanvas.get() != NULL) { |
| 22 | return; |
| 23 | } |
| 24 | |
| 25 | SkASSERT(pict != NULL); |
| 26 | if (pict == NULL) { |
| 27 | return; |
| 28 | } |
| 29 | |
| 30 | fPicture = pict; |
| 31 | SkBitmap bitmap; |
| 32 | sk_tools::setup_bitmap(&bitmap, fPicture->width(), fPicture->height()); |
| 33 | fCanvas.reset(SkNEW_ARGS(SkCanvas, (bitmap))); |
| 34 | } |
| 35 | |
| 36 | void PictureRenderer::end() { |
| 37 | fPicture = NULL; |
| 38 | fCanvas.reset(NULL); |
| 39 | } |
| 40 | |
| 41 | void PipePictureRenderer::render() { |
| 42 | SkASSERT(fCanvas.get() != NULL); |
| 43 | SkASSERT(fPicture != NULL); |
| 44 | if (fCanvas.get() == NULL || fPicture == NULL) { |
| 45 | return; |
| 46 | } |
| 47 | |
| 48 | PipeController pipeController(fCanvas.get()); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 49 | SkGPipeWriter writer; |
| 50 | SkCanvas* pipeCanvas = writer.startRecording(&pipeController); |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 51 | pipeCanvas->drawPicture(*fPicture); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 52 | writer.endRecording(); |
| 53 | } |
| 54 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 55 | void SimplePictureRenderer::render() { |
| 56 | SkASSERT(fCanvas.get() != NULL); |
| 57 | SkASSERT(fPicture != NULL); |
| 58 | if (fCanvas.get() == NULL || fPicture == NULL) { |
| 59 | return; |
| 60 | } |
| 61 | |
| 62 | fCanvas->drawPicture(*fPicture); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 63 | } |
| 64 | |
| 65 | TiledPictureRenderer::TiledPictureRenderer() |
| 66 | : fTileWidth(kDefaultTileWidth) |
| 67 | , fTileHeight(kDefaultTileHeight) {} |
| 68 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 69 | void TiledPictureRenderer::init(SkPicture* pict) { |
| 70 | SkASSERT(pict != NULL); |
| 71 | SkASSERT(fTiles.count() == 0); |
| 72 | if (pict == NULL || fTiles.count() != 0) { |
| 73 | return; |
| 74 | } |
| 75 | |
| 76 | this->INHERITED::init(pict); |
keyar@chromium.org | cc6e5ef | 2012-07-27 20:09:26 +0000 | [diff] [blame] | 77 | |
| 78 | if (fTileWidthPercentage > 0) { |
robertphillips@google.com | 5d8d186 | 2012-08-15 14:36:41 +0000 | [diff] [blame^] | 79 | fTileWidth = sk_float_ceil2int(float(fTileWidthPercentage * fPicture->width() / 100)); |
keyar@chromium.org | cc6e5ef | 2012-07-27 20:09:26 +0000 | [diff] [blame] | 80 | } |
| 81 | if (fTileHeightPercentage > 0) { |
robertphillips@google.com | 5d8d186 | 2012-08-15 14:36:41 +0000 | [diff] [blame^] | 82 | fTileHeight = sk_float_ceil2int(float(fTileHeightPercentage * fPicture->height() / 100)); |
keyar@chromium.org | cc6e5ef | 2012-07-27 20:09:26 +0000 | [diff] [blame] | 83 | } |
| 84 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 85 | this->setupTiles(); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 86 | } |
| 87 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 88 | void TiledPictureRenderer::render() { |
| 89 | SkASSERT(fCanvas.get() != NULL); |
| 90 | SkASSERT(fPicture != NULL); |
| 91 | if (fCanvas.get() == NULL || fPicture == NULL) { |
| 92 | return; |
| 93 | } |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 94 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 95 | this->drawTiles(); |
| 96 | this->copyTilesToCanvas(); |
| 97 | } |
| 98 | |
| 99 | void TiledPictureRenderer::end() { |
| 100 | this->deleteTiles(); |
| 101 | this->INHERITED::end(); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 102 | } |
| 103 | |
| 104 | TiledPictureRenderer::~TiledPictureRenderer() { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 105 | this->deleteTiles(); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 106 | } |
| 107 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 108 | void TiledPictureRenderer::clipTile(const TileInfo& tile) { |
| 109 | SkRect clip = SkRect::MakeWH(SkIntToScalar(fPicture->width()), |
| 110 | SkIntToScalar(fPicture->height())); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 111 | tile.fCanvas->clipRect(clip); |
| 112 | } |
| 113 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 114 | void TiledPictureRenderer::addTile(int tile_x_start, int tile_y_start) { |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 115 | TileInfo* tile = fTiles.push(); |
| 116 | |
| 117 | tile->fBitmap = SkNEW(SkBitmap); |
| 118 | sk_tools::setup_bitmap(tile->fBitmap, fTileWidth, fTileHeight); |
| 119 | |
| 120 | tile->fCanvas = SkNEW_ARGS(SkCanvas, (*(tile->fBitmap))); |
| 121 | tile->fCanvas->translate(SkIntToScalar(-tile_x_start), SkIntToScalar(-tile_y_start)); |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 122 | this->clipTile(*tile); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 123 | } |
| 124 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 125 | void TiledPictureRenderer::setupTiles() { |
| 126 | for (int tile_y_start = 0; tile_y_start < fPicture->height(); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 127 | tile_y_start += fTileHeight) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 128 | for (int tile_x_start = 0; tile_x_start < fPicture->width(); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 129 | tile_x_start += fTileWidth) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 130 | this->addTile(tile_x_start, tile_y_start); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 131 | } |
| 132 | } |
| 133 | } |
| 134 | |
| 135 | void TiledPictureRenderer::deleteTiles() { |
| 136 | for (int i = 0; i < fTiles.count(); ++i) { |
| 137 | SkDELETE(fTiles[i].fCanvas); |
| 138 | SkDELETE(fTiles[i].fBitmap); |
| 139 | } |
| 140 | |
| 141 | fTiles.reset(); |
| 142 | } |
| 143 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 144 | void TiledPictureRenderer::drawTiles() { |
keyar@chromium.org | 163b567 | 2012-08-01 17:53:29 +0000 | [diff] [blame] | 145 | for (int i = 0; i < fTiles.count(); ++i) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 146 | fTiles[i].fCanvas->drawPicture(*(fPicture)); |
keyar@chromium.org | 163b567 | 2012-08-01 17:53:29 +0000 | [diff] [blame] | 147 | } |
| 148 | } |
| 149 | |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 150 | void TiledPictureRenderer::copyTilesToCanvas() { |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 151 | int tile_index = 0; |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 152 | for (int tile_y_start = 0; tile_y_start < fPicture->height(); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 153 | tile_y_start += fTileHeight) { |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 154 | for (int tile_x_start = 0; tile_x_start < fPicture->width(); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 155 | tile_x_start += fTileWidth) { |
| 156 | SkASSERT(tile_index < fTiles.count()); |
| 157 | SkBitmap source = fTiles[tile_index].fCanvas->getDevice()->accessBitmap(false); |
keyar@chromium.org | 9d696c0 | 2012-08-07 17:11:33 +0000 | [diff] [blame] | 158 | fCanvas->drawBitmap(source, |
| 159 | SkIntToScalar(tile_x_start), |
| 160 | SkIntToScalar(tile_y_start)); |
keyar@chromium.org | 451bb9f | 2012-07-26 17:27:57 +0000 | [diff] [blame] | 161 | ++tile_index; |
| 162 | } |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | } |