reed | 8e47478 | 2014-10-06 11:00:51 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
reed | 73c2501 | 2014-11-17 06:15:42 -0800 | [diff] [blame] | 8 | #include "sk_canvas.h" |
| 9 | #include "sk_image.h" |
| 10 | #include "sk_paint.h" |
| 11 | #include "sk_path.h" |
reed | 938dfba | 2014-10-06 06:08:16 -0700 | [diff] [blame] | 12 | #include "sk_surface.h" |
| 13 | |
| 14 | #include "SkCanvas.h" |
| 15 | #include "SkImage.h" |
reed | 0eafc9b | 2014-12-23 14:11:11 -0800 | [diff] [blame^] | 16 | #include "SkMaskFilter.h" |
reed | 938dfba | 2014-10-06 06:08:16 -0700 | [diff] [blame] | 17 | #include "SkMatrix.h" |
| 18 | #include "SkPaint.h" |
| 19 | #include "SkPath.h" |
reed | e371989 | 2014-12-22 17:46:00 -0800 | [diff] [blame] | 20 | #include "SkPictureRecorder.h" |
reed | 938dfba | 2014-10-06 06:08:16 -0700 | [diff] [blame] | 21 | #include "SkSurface.h" |
| 22 | |
reed | e332396 | 2014-10-24 11:16:19 -0700 | [diff] [blame] | 23 | const struct { |
| 24 | sk_colortype_t fC; |
| 25 | SkColorType fSK; |
| 26 | } gColorTypeMap[] = { |
| 27 | { UNKNOWN_SK_COLORTYPE, kUnknown_SkColorType }, |
| 28 | { RGBA_8888_SK_COLORTYPE, kRGBA_8888_SkColorType }, |
| 29 | { BGRA_8888_SK_COLORTYPE, kBGRA_8888_SkColorType }, |
| 30 | { ALPHA_8_SK_COLORTYPE, kAlpha_8_SkColorType }, |
| 31 | }; |
| 32 | |
| 33 | const struct { |
| 34 | sk_alphatype_t fC; |
| 35 | SkAlphaType fSK; |
| 36 | } gAlphaTypeMap[] = { |
| 37 | { OPAQUE_SK_ALPHATYPE, kOpaque_SkAlphaType }, |
| 38 | { PREMUL_SK_ALPHATYPE, kPremul_SkAlphaType }, |
| 39 | { UNPREMUL_SK_ALPHATYPE, kUnpremul_SkAlphaType }, |
| 40 | }; |
| 41 | |
| 42 | static bool from_c_colortype(sk_colortype_t cCT, SkColorType* skCT) { |
| 43 | for (size_t i = 0; i < SK_ARRAY_COUNT(gColorTypeMap); ++i) { |
| 44 | if (gColorTypeMap[i].fC == cCT) { |
| 45 | if (skCT) { |
| 46 | *skCT = gColorTypeMap[i].fSK; |
| 47 | } |
| 48 | return true; |
| 49 | } |
| 50 | } |
| 51 | return false; |
| 52 | } |
| 53 | |
| 54 | static bool to_c_colortype(SkColorType skCT, sk_colortype_t* cCT) { |
| 55 | for (size_t i = 0; i < SK_ARRAY_COUNT(gColorTypeMap); ++i) { |
| 56 | if (gColorTypeMap[i].fSK == skCT) { |
| 57 | if (cCT) { |
| 58 | *cCT = gColorTypeMap[i].fC; |
| 59 | } |
| 60 | return true; |
| 61 | } |
| 62 | } |
| 63 | return false; |
| 64 | } |
| 65 | |
| 66 | static bool from_c_alphatype(sk_alphatype_t cAT, SkAlphaType* skAT) { |
| 67 | for (size_t i = 0; i < SK_ARRAY_COUNT(gAlphaTypeMap); ++i) { |
| 68 | if (gAlphaTypeMap[i].fC == cAT) { |
| 69 | if (skAT) { |
| 70 | *skAT = gAlphaTypeMap[i].fSK; |
| 71 | } |
| 72 | return true; |
| 73 | } |
| 74 | } |
| 75 | return false; |
| 76 | } |
| 77 | |
| 78 | static bool from_c_info(const sk_imageinfo_t& cinfo, SkImageInfo* info) { |
| 79 | SkColorType ct; |
| 80 | SkAlphaType at; |
| 81 | |
| 82 | if (!from_c_colortype(cinfo.colorType, &ct)) { |
| 83 | // optionally report error to client? |
| 84 | return false; |
| 85 | } |
| 86 | if (!from_c_alphatype(cinfo.alphaType, &at)) { |
| 87 | // optionally report error to client? |
| 88 | return false; |
| 89 | } |
| 90 | if (info) { |
| 91 | *info = SkImageInfo::Make(cinfo.width, cinfo.height, ct, at); |
| 92 | } |
| 93 | return true; |
reed | 938dfba | 2014-10-06 06:08:16 -0700 | [diff] [blame] | 94 | } |
| 95 | |
abarth | 9503ac7 | 2014-12-02 15:47:33 -0800 | [diff] [blame] | 96 | static void from_c_matrix(const sk_matrix_t* cmatrix, SkMatrix* matrix) { |
| 97 | matrix->setAll(cmatrix->mat[0], cmatrix->mat[1], cmatrix->mat[2], |
| 98 | cmatrix->mat[3], cmatrix->mat[4], cmatrix->mat[5], |
| 99 | cmatrix->mat[6], cmatrix->mat[7], cmatrix->mat[8]); |
| 100 | } |
| 101 | |
reed | 73c2501 | 2014-11-17 06:15:42 -0800 | [diff] [blame] | 102 | const struct { |
| 103 | sk_path_direction_t fC; |
| 104 | SkPath::Direction fSk; |
| 105 | } gPathDirMap[] = { |
| 106 | { CW_SK_PATH_DIRECTION, SkPath::kCW_Direction }, |
| 107 | { CCW_SK_PATH_DIRECTION, SkPath::kCCW_Direction }, |
| 108 | }; |
| 109 | |
| 110 | static bool from_c_path_direction(sk_path_direction_t cdir, SkPath::Direction* dir) { |
| 111 | for (size_t i = 0; i < SK_ARRAY_COUNT(gPathDirMap); ++i) { |
| 112 | if (gPathDirMap[i].fC == cdir) { |
| 113 | if (dir) { |
| 114 | *dir = gPathDirMap[i].fSk; |
| 115 | } |
| 116 | return true; |
| 117 | } |
| 118 | } |
| 119 | return false; |
| 120 | } |
| 121 | |
reed | e371989 | 2014-12-22 17:46:00 -0800 | [diff] [blame] | 122 | static sk_rect_t ToRect(const SkRect& rect) { |
| 123 | return reinterpret_cast<const sk_rect_t&>(rect); |
| 124 | } |
| 125 | |
reed | 8e47478 | 2014-10-06 11:00:51 -0700 | [diff] [blame] | 126 | static const SkRect& AsRect(const sk_rect_t& crect) { |
| 127 | return reinterpret_cast<const SkRect&>(crect); |
| 128 | } |
| 129 | |
reed | e371989 | 2014-12-22 17:46:00 -0800 | [diff] [blame] | 130 | static const SkRect* AsRect(const sk_rect_t* crect) { |
| 131 | return reinterpret_cast<const SkRect*>(crect); |
reed | 73c2501 | 2014-11-17 06:15:42 -0800 | [diff] [blame] | 132 | } |
| 133 | |
reed | 8e47478 | 2014-10-06 11:00:51 -0700 | [diff] [blame] | 134 | static const SkPath& AsPath(const sk_path_t& cpath) { |
| 135 | return reinterpret_cast<const SkPath&>(cpath); |
| 136 | } |
| 137 | |
robertphillips | a624e87 | 2014-10-08 06:04:35 -0700 | [diff] [blame] | 138 | static SkPath* as_path(sk_path_t* cpath) { |
| 139 | return reinterpret_cast<SkPath*>(cpath); |
| 140 | } |
| 141 | |
reed | 8e47478 | 2014-10-06 11:00:51 -0700 | [diff] [blame] | 142 | static const SkImage* AsImage(const sk_image_t* cimage) { |
| 143 | return reinterpret_cast<const SkImage*>(cimage); |
| 144 | } |
reed | 938dfba | 2014-10-06 06:08:16 -0700 | [diff] [blame] | 145 | |
| 146 | static const SkPaint& AsPaint(const sk_paint_t& cpaint) { |
reed | 8e47478 | 2014-10-06 11:00:51 -0700 | [diff] [blame] | 147 | return reinterpret_cast<const SkPaint&>(cpaint); |
reed | 938dfba | 2014-10-06 06:08:16 -0700 | [diff] [blame] | 148 | } |
| 149 | |
| 150 | static const SkPaint* AsPaint(const sk_paint_t* cpaint) { |
reed | 8e47478 | 2014-10-06 11:00:51 -0700 | [diff] [blame] | 151 | return reinterpret_cast<const SkPaint*>(cpaint); |
reed | 938dfba | 2014-10-06 06:08:16 -0700 | [diff] [blame] | 152 | } |
| 153 | |
reed | 8e47478 | 2014-10-06 11:00:51 -0700 | [diff] [blame] | 154 | static SkPaint* AsPaint(sk_paint_t* cpaint) { |
| 155 | return reinterpret_cast<SkPaint*>(cpaint); |
| 156 | } |
| 157 | |
reed | e371989 | 2014-12-22 17:46:00 -0800 | [diff] [blame] | 158 | static sk_canvas_t* ToCanvas(SkCanvas* canvas) { |
| 159 | return reinterpret_cast<sk_canvas_t*>(canvas); |
| 160 | } |
| 161 | |
reed | 8e47478 | 2014-10-06 11:00:51 -0700 | [diff] [blame] | 162 | static SkCanvas* AsCanvas(sk_canvas_t* ccanvas) { |
| 163 | return reinterpret_cast<SkCanvas*>(ccanvas); |
| 164 | } |
| 165 | |
reed | 0eafc9b | 2014-12-23 14:11:11 -0800 | [diff] [blame^] | 166 | static SkMaskFilter* AsMaskFilter(sk_maskfilter_t* cfilter) { |
| 167 | return reinterpret_cast<SkMaskFilter*>(cfilter); |
| 168 | } |
| 169 | |
| 170 | static sk_maskfilter_t* ToMaskFilter(SkMaskFilter* filter) { |
| 171 | return reinterpret_cast<sk_maskfilter_t*>(filter); |
| 172 | } |
| 173 | |
reed | afa278e | 2014-11-24 19:11:48 -0800 | [diff] [blame] | 174 | static SkShader* AsShader(sk_shader_t* cshader) { |
| 175 | return reinterpret_cast<SkShader*>(cshader); |
| 176 | } |
| 177 | |
reed | e371989 | 2014-12-22 17:46:00 -0800 | [diff] [blame] | 178 | static SkPictureRecorder* AsPictureRecorder(sk_picture_recorder_t* crec) { |
| 179 | return reinterpret_cast<SkPictureRecorder*>(crec); |
| 180 | } |
| 181 | |
| 182 | static sk_picture_recorder_t* ToPictureRecorder(SkPictureRecorder* rec) { |
| 183 | return reinterpret_cast<sk_picture_recorder_t*>(rec); |
| 184 | } |
| 185 | |
| 186 | static const SkPicture* AsPicture(const sk_picture_t* cpic) { |
| 187 | return reinterpret_cast<const SkPicture*>(cpic); |
| 188 | } |
| 189 | |
| 190 | static SkPicture* AsPicture(sk_picture_t* cpic) { |
| 191 | return reinterpret_cast<SkPicture*>(cpic); |
| 192 | } |
| 193 | |
| 194 | static sk_picture_t* ToPicture(SkPicture* pic) { |
| 195 | return reinterpret_cast<sk_picture_t*>(pic); |
| 196 | } |
| 197 | |
reed | 8e47478 | 2014-10-06 11:00:51 -0700 | [diff] [blame] | 198 | /////////////////////////////////////////////////////////////////////////////////////////// |
| 199 | |
reed | e332396 | 2014-10-24 11:16:19 -0700 | [diff] [blame] | 200 | sk_colortype_t sk_colortype_get_default_8888() { |
| 201 | sk_colortype_t ct; |
| 202 | if (!to_c_colortype(kN32_SkColorType, &ct)) { |
| 203 | ct = UNKNOWN_SK_COLORTYPE; |
| 204 | } |
| 205 | return ct; |
| 206 | } |
| 207 | |
| 208 | /////////////////////////////////////////////////////////////////////////////////////////// |
| 209 | |
reed | 8e47478 | 2014-10-06 11:00:51 -0700 | [diff] [blame] | 210 | sk_image_t* sk_image_new_raster_copy(const sk_imageinfo_t* cinfo, const void* pixels, |
| 211 | size_t rowBytes) { |
reed | e332396 | 2014-10-24 11:16:19 -0700 | [diff] [blame] | 212 | SkImageInfo info; |
| 213 | if (!from_c_info(*cinfo, &info)) { |
| 214 | return NULL; |
| 215 | } |
| 216 | return (sk_image_t*)SkImage::NewRasterCopy(info, pixels, rowBytes); |
reed | 8e47478 | 2014-10-06 11:00:51 -0700 | [diff] [blame] | 217 | } |
| 218 | |
| 219 | void sk_image_ref(const sk_image_t* cimage) { |
| 220 | AsImage(cimage)->ref(); |
| 221 | } |
| 222 | |
| 223 | void sk_image_unref(const sk_image_t* cimage) { |
| 224 | AsImage(cimage)->unref(); |
| 225 | } |
| 226 | |
| 227 | int sk_image_get_width(const sk_image_t* cimage) { |
| 228 | return AsImage(cimage)->width(); |
| 229 | } |
| 230 | |
| 231 | int sk_image_get_height(const sk_image_t* cimage) { |
| 232 | return AsImage(cimage)->height(); |
| 233 | } |
| 234 | |
| 235 | uint32_t sk_image_get_unique_id(const sk_image_t* cimage) { |
| 236 | return AsImage(cimage)->uniqueID(); |
| 237 | } |
| 238 | |
| 239 | /////////////////////////////////////////////////////////////////////////////////////////// |
| 240 | |
| 241 | sk_paint_t* sk_paint_new() { |
| 242 | return (sk_paint_t*)SkNEW(SkPaint); |
| 243 | } |
| 244 | |
| 245 | void sk_paint_delete(sk_paint_t* cpaint) { |
| 246 | SkDELETE(AsPaint(cpaint)); |
| 247 | } |
| 248 | |
| 249 | bool sk_paint_is_antialias(const sk_paint_t* cpaint) { |
| 250 | return AsPaint(*cpaint).isAntiAlias(); |
| 251 | } |
| 252 | |
| 253 | void sk_paint_set_antialias(sk_paint_t* cpaint, bool aa) { |
| 254 | AsPaint(cpaint)->setAntiAlias(aa); |
| 255 | } |
| 256 | |
| 257 | sk_color_t sk_paint_get_color(const sk_paint_t* cpaint) { |
| 258 | return AsPaint(*cpaint).getColor(); |
| 259 | } |
| 260 | |
| 261 | void sk_paint_set_color(sk_paint_t* cpaint, sk_color_t c) { |
| 262 | AsPaint(cpaint)->setColor(c); |
| 263 | } |
reed | 938dfba | 2014-10-06 06:08:16 -0700 | [diff] [blame] | 264 | |
reed | afa278e | 2014-11-24 19:11:48 -0800 | [diff] [blame] | 265 | void sk_paint_set_shader(sk_paint_t* cpaint, sk_shader_t* cshader) { |
| 266 | AsPaint(cpaint)->setShader(AsShader(cshader)); |
| 267 | } |
| 268 | |
reed | 0eafc9b | 2014-12-23 14:11:11 -0800 | [diff] [blame^] | 269 | void sk_paint_set_maskfilter(sk_paint_t* cpaint, sk_maskfilter_t* cfilter) { |
| 270 | AsPaint(cpaint)->setMaskFilter(AsMaskFilter(cfilter)); |
| 271 | } |
| 272 | |
reed | 938dfba | 2014-10-06 06:08:16 -0700 | [diff] [blame] | 273 | /////////////////////////////////////////////////////////////////////////////////////////// |
| 274 | |
robertphillips | a624e87 | 2014-10-08 06:04:35 -0700 | [diff] [blame] | 275 | sk_path_t* sk_path_new() { |
| 276 | return (sk_path_t*)SkNEW(SkPath); |
| 277 | } |
| 278 | |
| 279 | void sk_path_delete(sk_path_t* cpath) { |
| 280 | SkDELETE(as_path(cpath)); |
| 281 | } |
| 282 | |
| 283 | void sk_path_move_to(sk_path_t* cpath, float x, float y) { |
| 284 | as_path(cpath)->moveTo(x, y); |
| 285 | } |
| 286 | |
| 287 | void sk_path_line_to(sk_path_t* cpath, float x, float y) { |
| 288 | as_path(cpath)->lineTo(x, y); |
| 289 | } |
| 290 | |
| 291 | void sk_path_quad_to(sk_path_t* cpath, float x0, float y0, float x1, float y1) { |
| 292 | as_path(cpath)->quadTo(x0, y0, x1, y1); |
| 293 | } |
| 294 | |
reed | 73c2501 | 2014-11-17 06:15:42 -0800 | [diff] [blame] | 295 | void sk_path_conic_to(sk_path_t* cpath, float x0, float y0, float x1, float y1, float w) { |
| 296 | as_path(cpath)->conicTo(x0, y0, x1, y1, w); |
| 297 | } |
| 298 | |
| 299 | void sk_path_cubic_to(sk_path_t* cpath, float x0, float y0, float x1, float y1, float x2, float y2) { |
| 300 | as_path(cpath)->cubicTo(x0, y0, x1, y1, x2, y2); |
| 301 | } |
| 302 | |
robertphillips | a624e87 | 2014-10-08 06:04:35 -0700 | [diff] [blame] | 303 | void sk_path_close(sk_path_t* cpath) { |
| 304 | as_path(cpath)->close(); |
| 305 | } |
| 306 | |
reed | 73c2501 | 2014-11-17 06:15:42 -0800 | [diff] [blame] | 307 | void sk_path_add_rect(sk_path_t* cpath, const sk_rect_t* crect, sk_path_direction_t cdir) { |
| 308 | SkPath::Direction dir; |
| 309 | if (!from_c_path_direction(cdir, &dir)) { |
| 310 | return; |
| 311 | } |
| 312 | as_path(cpath)->addRect(AsRect(*crect), dir); |
| 313 | } |
| 314 | |
| 315 | void sk_path_add_oval(sk_path_t* cpath, const sk_rect_t* crect, sk_path_direction_t cdir) { |
| 316 | SkPath::Direction dir; |
| 317 | if (!from_c_path_direction(cdir, &dir)) { |
| 318 | return; |
| 319 | } |
| 320 | as_path(cpath)->addOval(AsRect(*crect), dir); |
| 321 | } |
| 322 | |
| 323 | bool sk_path_get_bounds(const sk_path_t* cpath, sk_rect_t* crect) { |
| 324 | const SkPath& path = AsPath(*cpath); |
reed | 73c2501 | 2014-11-17 06:15:42 -0800 | [diff] [blame] | 325 | |
| 326 | if (path.isEmpty()) { |
reed | e371989 | 2014-12-22 17:46:00 -0800 | [diff] [blame] | 327 | if (crect) { |
| 328 | *crect = ToRect(SkRect::MakeEmpty()); |
reed | 73c2501 | 2014-11-17 06:15:42 -0800 | [diff] [blame] | 329 | } |
| 330 | return false; |
| 331 | } |
reed | e371989 | 2014-12-22 17:46:00 -0800 | [diff] [blame] | 332 | |
| 333 | if (crect) { |
| 334 | *crect = ToRect(path.getBounds()); |
| 335 | } |
reed | 73c2501 | 2014-11-17 06:15:42 -0800 | [diff] [blame] | 336 | return true; |
| 337 | } |
| 338 | |
robertphillips | a624e87 | 2014-10-08 06:04:35 -0700 | [diff] [blame] | 339 | /////////////////////////////////////////////////////////////////////////////////////////// |
| 340 | |
reed | 938dfba | 2014-10-06 06:08:16 -0700 | [diff] [blame] | 341 | void sk_canvas_save(sk_canvas_t* ccanvas) { |
| 342 | AsCanvas(ccanvas)->save(); |
| 343 | } |
| 344 | |
| 345 | void sk_canvas_save_layer(sk_canvas_t* ccanvas, const sk_rect_t* crect, const sk_paint_t* cpaint) { |
| 346 | AsCanvas(ccanvas)->drawRect(AsRect(*crect), AsPaint(*cpaint)); |
| 347 | } |
| 348 | |
| 349 | void sk_canvas_restore(sk_canvas_t* ccanvas) { |
| 350 | AsCanvas(ccanvas)->restore(); |
| 351 | } |
| 352 | |
| 353 | void sk_canvas_translate(sk_canvas_t* ccanvas, float dx, float dy) { |
| 354 | AsCanvas(ccanvas)->translate(dx, dy); |
| 355 | } |
| 356 | |
| 357 | void sk_canvas_scale(sk_canvas_t* ccanvas, float sx, float sy) { |
reed | 8e47478 | 2014-10-06 11:00:51 -0700 | [diff] [blame] | 358 | AsCanvas(ccanvas)->scale(sx, sy); |
reed | 938dfba | 2014-10-06 06:08:16 -0700 | [diff] [blame] | 359 | } |
| 360 | |
abarth | 2fc6ea6 | 2014-12-01 14:04:03 -0800 | [diff] [blame] | 361 | void sk_canvas_rotate_degress(sk_canvas_t* ccanvas, float degrees) { |
| 362 | AsCanvas(ccanvas)->rotate(degrees); |
| 363 | } |
| 364 | |
| 365 | void sk_canvas_rotate_radians(sk_canvas_t* ccanvas, float radians) { |
| 366 | AsCanvas(ccanvas)->rotate(SkRadiansToDegrees(radians)); |
| 367 | } |
| 368 | |
| 369 | void sk_canvas_skew(sk_canvas_t* ccanvas, float sx, float sy) { |
| 370 | AsCanvas(ccanvas)->skew(sx, sy); |
| 371 | } |
| 372 | |
reed | e371989 | 2014-12-22 17:46:00 -0800 | [diff] [blame] | 373 | void sk_canvas_concat(sk_canvas_t* ccanvas, const sk_matrix_t* cmatrix) { |
abarth | 9503ac7 | 2014-12-02 15:47:33 -0800 | [diff] [blame] | 374 | SkASSERT(cmatrix); |
| 375 | SkMatrix matrix; |
| 376 | from_c_matrix(cmatrix, &matrix); |
| 377 | AsCanvas(ccanvas)->concat(matrix); |
| 378 | } |
| 379 | |
reed | e371989 | 2014-12-22 17:46:00 -0800 | [diff] [blame] | 380 | void sk_canvas_clip_rect(sk_canvas_t* ccanvas, const sk_rect_t* crect) { |
| 381 | AsCanvas(ccanvas)->clipRect(AsRect(*crect)); |
| 382 | } |
| 383 | |
| 384 | void sk_canvas_clip_path(sk_canvas_t* ccanvas, const sk_path_t* cpath) { |
| 385 | AsCanvas(ccanvas)->clipPath(AsPath(*cpath)); |
| 386 | } |
| 387 | |
reed | 938dfba | 2014-10-06 06:08:16 -0700 | [diff] [blame] | 388 | void sk_canvas_draw_paint(sk_canvas_t* ccanvas, const sk_paint_t* cpaint) { |
| 389 | AsCanvas(ccanvas)->drawPaint(AsPaint(*cpaint)); |
| 390 | } |
| 391 | |
| 392 | void sk_canvas_draw_rect(sk_canvas_t* ccanvas, const sk_rect_t* crect, const sk_paint_t* cpaint) { |
| 393 | AsCanvas(ccanvas)->drawRect(AsRect(*crect), AsPaint(*cpaint)); |
| 394 | } |
| 395 | |
| 396 | void sk_canvas_draw_oval(sk_canvas_t* ccanvas, const sk_rect_t* crect, const sk_paint_t* cpaint) { |
| 397 | AsCanvas(ccanvas)->drawOval(AsRect(*crect), AsPaint(*cpaint)); |
| 398 | } |
| 399 | |
| 400 | void sk_canvas_draw_path(sk_canvas_t* ccanvas, const sk_path_t* cpath, const sk_paint_t* cpaint) { |
| 401 | AsCanvas(ccanvas)->drawPath(AsPath(*cpath), AsPaint(*cpaint)); |
| 402 | } |
| 403 | |
| 404 | void sk_canvas_draw_image(sk_canvas_t* ccanvas, const sk_image_t* cimage, float x, float y, |
| 405 | const sk_paint_t* cpaint) { |
| 406 | AsCanvas(ccanvas)->drawImage(AsImage(cimage), x, y, AsPaint(cpaint)); |
| 407 | } |
| 408 | |
reed | e371989 | 2014-12-22 17:46:00 -0800 | [diff] [blame] | 409 | void sk_canvas_draw_image_rect(sk_canvas_t* ccanvas, const sk_image_t* cimage, |
| 410 | const sk_rect_t* csrcR, const sk_rect_t* cdstR, |
| 411 | const sk_paint_t* cpaint) { |
| 412 | AsCanvas(ccanvas)->drawImageRect(AsImage(cimage), AsRect(csrcR), AsRect(*cdstR), AsPaint(cpaint)); |
| 413 | } |
| 414 | |
| 415 | void sk_canvas_draw_picture(sk_canvas_t* ccanvas, const sk_picture_t* cpicture, |
| 416 | const sk_matrix_t* cmatrix, const sk_paint_t* cpaint) { |
| 417 | const SkMatrix* matrixPtr = NULL; |
| 418 | SkMatrix matrix; |
| 419 | if (cmatrix) { |
| 420 | from_c_matrix(cmatrix, &matrix); |
| 421 | matrixPtr = &matrix; |
| 422 | } |
| 423 | AsCanvas(ccanvas)->drawPicture(AsPicture(cpicture), matrixPtr, AsPaint(cpaint)); |
| 424 | } |
| 425 | |
reed | 938dfba | 2014-10-06 06:08:16 -0700 | [diff] [blame] | 426 | /////////////////////////////////////////////////////////////////////////////////////////// |
| 427 | |
reed | 8e47478 | 2014-10-06 11:00:51 -0700 | [diff] [blame] | 428 | sk_surface_t* sk_surface_new_raster(const sk_imageinfo_t* cinfo) { |
reed | e332396 | 2014-10-24 11:16:19 -0700 | [diff] [blame] | 429 | SkImageInfo info; |
| 430 | if (!from_c_info(*cinfo, &info)) { |
| 431 | return NULL; |
| 432 | } |
| 433 | return (sk_surface_t*)SkSurface::NewRaster(info); |
reed | 938dfba | 2014-10-06 06:08:16 -0700 | [diff] [blame] | 434 | } |
| 435 | |
reed | 8e47478 | 2014-10-06 11:00:51 -0700 | [diff] [blame] | 436 | sk_surface_t* sk_surface_new_raster_direct(const sk_imageinfo_t* cinfo, void* pixels, |
reed | 938dfba | 2014-10-06 06:08:16 -0700 | [diff] [blame] | 437 | size_t rowBytes) { |
reed | e332396 | 2014-10-24 11:16:19 -0700 | [diff] [blame] | 438 | SkImageInfo info; |
| 439 | if (!from_c_info(*cinfo, &info)) { |
| 440 | return NULL; |
| 441 | } |
| 442 | return (sk_surface_t*)SkSurface::NewRasterDirect(info, pixels, rowBytes); |
reed | 938dfba | 2014-10-06 06:08:16 -0700 | [diff] [blame] | 443 | } |
| 444 | |
reed | afa278e | 2014-11-24 19:11:48 -0800 | [diff] [blame] | 445 | void sk_surface_unref(sk_surface_t* csurf) { |
| 446 | SkSafeUnref((SkSurface*)csurf); |
reed | 938dfba | 2014-10-06 06:08:16 -0700 | [diff] [blame] | 447 | } |
| 448 | |
| 449 | sk_canvas_t* sk_surface_get_canvas(sk_surface_t* csurf) { |
| 450 | SkSurface* surf = (SkSurface*)csurf; |
reed | 8e47478 | 2014-10-06 11:00:51 -0700 | [diff] [blame] | 451 | return (sk_canvas_t*)surf->getCanvas(); |
reed | 938dfba | 2014-10-06 06:08:16 -0700 | [diff] [blame] | 452 | } |
| 453 | |
| 454 | sk_image_t* sk_surface_new_image_snapshot(sk_surface_t* csurf) { |
| 455 | SkSurface* surf = (SkSurface*)csurf; |
reed | 8e47478 | 2014-10-06 11:00:51 -0700 | [diff] [blame] | 456 | return (sk_image_t*)surf->newImageSnapshot(); |
reed | 938dfba | 2014-10-06 06:08:16 -0700 | [diff] [blame] | 457 | } |
| 458 | |
reed | afa278e | 2014-11-24 19:11:48 -0800 | [diff] [blame] | 459 | /////////////////////////////////////////////////////////////////////////////////////////// |
reed | 938dfba | 2014-10-06 06:08:16 -0700 | [diff] [blame] | 460 | |
reed | e371989 | 2014-12-22 17:46:00 -0800 | [diff] [blame] | 461 | sk_picture_recorder_t* sk_picture_recorder_new() { |
| 462 | return ToPictureRecorder(new SkPictureRecorder); |
| 463 | } |
| 464 | |
| 465 | void sk_picture_recorder_delete(sk_picture_recorder_t* crec) { |
| 466 | delete AsPictureRecorder(crec); |
| 467 | } |
| 468 | |
| 469 | sk_canvas_t* sk_picture_recorder_begin_recording(sk_picture_recorder_t* crec, |
| 470 | const sk_rect_t* cbounds) { |
| 471 | return ToCanvas(AsPictureRecorder(crec)->beginRecording(AsRect(*cbounds))); |
| 472 | } |
| 473 | |
| 474 | sk_picture_t* sk_picture_recorder_end_recording(sk_picture_recorder_t* crec) { |
| 475 | return ToPicture(AsPictureRecorder(crec)->endRecording()); |
| 476 | } |
| 477 | |
| 478 | void sk_picture_ref(sk_picture_t* cpic) { |
| 479 | SkSafeRef(AsPicture(cpic)); |
| 480 | } |
| 481 | |
| 482 | void sk_picture_unref(sk_picture_t* cpic) { |
| 483 | SkSafeUnref(AsPicture(cpic)); |
| 484 | } |
| 485 | |
| 486 | uint32_t sk_picture_get_unique_id(sk_picture_t* cpic) { |
| 487 | return AsPicture(cpic)->uniqueID(); |
| 488 | } |
| 489 | |
| 490 | sk_rect_t sk_picture_get_bounds(sk_picture_t* cpic) { |
| 491 | return ToRect(AsPicture(cpic)->cullRect()); |
| 492 | } |
| 493 | |
| 494 | /////////////////////////////////////////////////////////////////////////////////////////// |
| 495 | |
reed | afa278e | 2014-11-24 19:11:48 -0800 | [diff] [blame] | 496 | #include "../../include/effects/SkGradientShader.h" |
| 497 | #include "sk_shader.h" |
| 498 | |
| 499 | const struct { |
| 500 | sk_shader_tilemode_t fC; |
| 501 | SkShader::TileMode fSK; |
| 502 | } gTileModeMap[] = { |
| 503 | { CLAMP_SK_SHADER_TILEMODE, SkShader::kClamp_TileMode }, |
| 504 | { REPEAT_SK_SHADER_TILEMODE, SkShader::kRepeat_TileMode }, |
| 505 | { MIRROR_SK_SHADER_TILEMODE, SkShader::kMirror_TileMode }, |
| 506 | }; |
| 507 | |
| 508 | static bool from_c_tilemode(sk_shader_tilemode_t cMode, SkShader::TileMode* skMode) { |
| 509 | for (size_t i = 0; i < SK_ARRAY_COUNT(gTileModeMap); ++i) { |
| 510 | if (cMode == gTileModeMap[i].fC) { |
| 511 | if (skMode) { |
| 512 | *skMode = gTileModeMap[i].fSK; |
| 513 | } |
| 514 | return true; |
| 515 | } |
| 516 | } |
| 517 | return false; |
| 518 | } |
| 519 | |
| 520 | void sk_shader_ref(sk_shader_t* cshader) { |
| 521 | SkSafeRef(AsShader(cshader)); |
| 522 | } |
| 523 | |
| 524 | void sk_shader_unref(sk_shader_t* cshader) { |
| 525 | SkSafeUnref(AsShader(cshader)); |
| 526 | } |
| 527 | |
| 528 | sk_shader_t* sk_shader_new_linear_gradient(const sk_point_t pts[2], |
| 529 | const sk_color_t colors[], |
| 530 | const float colorPos[], |
| 531 | int colorCount, |
| 532 | sk_shader_tilemode_t cmode, |
| 533 | const sk_matrix_t* cmatrix) { |
| 534 | SkShader::TileMode mode; |
| 535 | if (!from_c_tilemode(cmode, &mode)) { |
| 536 | return NULL; |
| 537 | } |
| 538 | SkMatrix matrix; |
| 539 | if (cmatrix) { |
abarth | 9503ac7 | 2014-12-02 15:47:33 -0800 | [diff] [blame] | 540 | from_c_matrix(cmatrix, &matrix); |
reed | afa278e | 2014-11-24 19:11:48 -0800 | [diff] [blame] | 541 | } else { |
| 542 | matrix.setIdentity(); |
| 543 | } |
| 544 | SkShader* s = SkGradientShader::CreateLinear(reinterpret_cast<const SkPoint*>(pts), |
| 545 | reinterpret_cast<const SkColor*>(colors), |
| 546 | colorPos, colorCount, mode, 0, &matrix); |
| 547 | return (sk_shader_t*)s; |
| 548 | } |
| 549 | |
| 550 | /////////////////////////////////////////////////////////////////////////////////////////// |
reed | 0eafc9b | 2014-12-23 14:11:11 -0800 | [diff] [blame^] | 551 | |
| 552 | #include "../../include/effects/SkBlurMaskFilter.h" |
| 553 | #include "sk_maskfilter.h" |
| 554 | |
| 555 | const struct { |
| 556 | sk_blurstyle_t fC; |
| 557 | SkBlurStyle fSk; |
| 558 | } gBlurStylePairs[] = { |
| 559 | { NORMAL_SK_BLUR_STYLE, kNormal_SkBlurStyle }, |
| 560 | { SOLID_SK_BLUR_STYLE, kSolid_SkBlurStyle }, |
| 561 | { OUTER_SK_BLUR_STYLE, kOuter_SkBlurStyle }, |
| 562 | { INNER_SK_BLUR_STYLE, kInner_SkBlurStyle }, |
| 563 | }; |
| 564 | |
| 565 | static bool find_blurstyle(sk_blurstyle_t csrc, SkBlurStyle* dst) { |
| 566 | for (size_t i = 0; i < SK_ARRAY_COUNT(gBlurStylePairs); ++i) { |
| 567 | if (gBlurStylePairs[i].fC == csrc) { |
| 568 | if (dst) { |
| 569 | *dst = gBlurStylePairs[i].fSk; |
| 570 | } |
| 571 | return true; |
| 572 | } |
| 573 | } |
| 574 | return false; |
| 575 | } |
| 576 | |
| 577 | void sk_maskfilter_ref(sk_maskfilter_t* cfilter) { |
| 578 | SkSafeRef(AsMaskFilter(cfilter)); |
| 579 | } |
| 580 | |
| 581 | void sk_maskfilter_unref(sk_maskfilter_t* cfilter) { |
| 582 | SkSafeUnref(AsMaskFilter(cfilter)); |
| 583 | } |
| 584 | |
| 585 | sk_maskfilter_t* sk_maskfilter_new_blur(sk_blurstyle_t cstyle, float sigma) { |
| 586 | SkBlurStyle style; |
| 587 | if (!find_blurstyle(cstyle, &style)) { |
| 588 | return NULL; |
| 589 | } |
| 590 | return ToMaskFilter(SkBlurMaskFilter::Create(style, sigma)); |
| 591 | } |
| 592 | |
| 593 | /////////////////////////////////////////////////////////////////////////////////////////// |
reed | afa278e | 2014-11-24 19:11:48 -0800 | [diff] [blame] | 594 | /////////////////////////////////////////////////////////////////////////////////////////// |
reed | 8e47478 | 2014-10-06 11:00:51 -0700 | [diff] [blame] | 595 | |
| 596 | void sk_test_capi(SkCanvas* canvas) { |
| 597 | sk_imageinfo_t cinfo; |
| 598 | cinfo.width = 100; |
| 599 | cinfo.height = 100; |
| 600 | cinfo.colorType = (sk_colortype_t)kN32_SkColorType; |
| 601 | cinfo.alphaType = (sk_alphatype_t)kPremul_SkAlphaType; |
| 602 | |
| 603 | sk_surface_t* csurface = sk_surface_new_raster(&cinfo); |
| 604 | sk_canvas_t* ccanvas = sk_surface_get_canvas(csurface); |
| 605 | |
| 606 | sk_paint_t* cpaint = sk_paint_new(); |
| 607 | sk_paint_set_antialias(cpaint, true); |
| 608 | sk_paint_set_color(cpaint, 0xFFFF0000); |
| 609 | |
| 610 | sk_rect_t cr = { 5, 5, 95, 95 }; |
| 611 | sk_canvas_draw_oval(ccanvas, &cr, cpaint); |
| 612 | |
| 613 | cr.left += 25; |
| 614 | cr.top += 25; |
| 615 | cr.right -= 25; |
| 616 | cr.bottom -= 25; |
| 617 | sk_paint_set_color(cpaint, 0xFF00FF00); |
| 618 | sk_canvas_draw_rect(ccanvas, &cr, cpaint); |
| 619 | |
robertphillips | a624e87 | 2014-10-08 06:04:35 -0700 | [diff] [blame] | 620 | sk_path_t* cpath = sk_path_new(); |
| 621 | sk_path_move_to(cpath, 50, 50); |
| 622 | sk_path_line_to(cpath, 100, 100); |
| 623 | sk_path_line_to(cpath, 50, 100); |
| 624 | sk_path_close(cpath); |
| 625 | |
| 626 | sk_canvas_draw_path(ccanvas, cpath, cpaint); |
| 627 | |
reed | 8e47478 | 2014-10-06 11:00:51 -0700 | [diff] [blame] | 628 | sk_image_t* cimage = sk_surface_new_image_snapshot(csurface); |
| 629 | |
| 630 | // HERE WE CROSS THE C..C++ boundary |
| 631 | canvas->drawImage((const SkImage*)cimage, 20, 20, NULL); |
| 632 | |
robertphillips | a624e87 | 2014-10-08 06:04:35 -0700 | [diff] [blame] | 633 | sk_path_delete(cpath); |
reed | 8e47478 | 2014-10-06 11:00:51 -0700 | [diff] [blame] | 634 | sk_paint_delete(cpaint); |
| 635 | sk_image_unref(cimage); |
reed | afa278e | 2014-11-24 19:11:48 -0800 | [diff] [blame] | 636 | sk_surface_unref(csurface); |
reed | 8e47478 | 2014-10-06 11:00:51 -0700 | [diff] [blame] | 637 | } |