Lines Matching defs:canvas
31 static void next_column(SkCanvas* canvas) {
32 canvas->translate(kBoxSize + kPadding, 0);
35 static void next_row(SkCanvas* canvas) {
36 canvas->restore();
37 canvas->translate(0, kBoxSize + kPadding + kLabelHeight);
38 canvas->save();
49 static void draw_label(SkCanvas* canvas, const char* label) {
55 canvas->drawSimpleText(label, strlen(label), SkTextEncoding::kUTF8,
58 canvas->translate(0, kLabelHeight);
61 static SkBitmap draw_shader(SkCanvas* canvas, sk_sp<SkShader> shader,
68 auto surface = canvas->makeSurface(info);
81 canvas->drawImage(bitmap.asImage(), 0, 0);
115 // Draws one row of boxes, then advances the canvas translation vertically
116 static void plot(SkCanvas* canvas,
124 canvas->save();
126 draw_label(canvas, label ? label : fn);
142 SkBitmap bitmap = draw_shader(canvas,
155 canvas->drawPoints(SkCanvas::kPolygon_PointMode, kBoxSize, pts, plotPaint);
158 canvas->restore();
159 next_column(canvas);
162 static void plot_es3(SkCanvas* canvas,
169 plot(canvas, fn, xMin, xMax, yMin, yMax, label, /*requireES3=*/true);
174 canvas,
179 canvas->translate(kPadding, kPadding);
180 canvas->save();
182 plot(canvas, "radians(x)", 0.0f, 360.0f, 0.0f, kTwoPI);
183 plot(canvas, "degrees(x)", 0.0f, kTwoPI, 0.0f, 360.0f);
184 next_row(canvas);
186 plot(canvas, "sin(x)", 0.0f, kTwoPI, -1.0f, 1.0f);
187 plot(canvas, "cos(x)", 0.0f, kTwoPI, -1.0f, 1.0f);
188 plot(canvas, "tan(x)", 0.0f, kPI, -10.0f, 10.0f);
189 next_row(canvas);
191 plot(canvas, "asin(x)", -1.0f, 1.0f, -kPIOverTwo, kPIOverTwo);
192 plot(canvas, "acos(x)", -1.0f, 1.0f, 0.0f, kPI);
193 plot(canvas, "atan(x)", -10.0f, 10.0f, -kPIOverTwo, kPIOverTwo);
194 next_row(canvas);
196 plot(canvas, "atan(0.1, x)", -1.0f, 1.0f, 0.0f, kPI);
197 plot(canvas, "atan(-0.1, x)", -1.0f, 1.0f, -kPI, 0.0f);
198 next_row(canvas);
200 plot(canvas, "atan(x, 0.1)", -1.0f, 1.0f, -kPIOverTwo, kPIOverTwo);
201 plot(canvas, "atan(x, -0.1)", -1.0f, 1.0f, -kPI, kPI);
202 next_row(canvas);
207 ctx, canvas, errorMsg,
215 canvas->translate(kPadding, kPadding);
216 canvas->save();
218 plot_es3(canvas, "sinh(x)", -2.0f, 2.0f, -4.0f, 4.0f);
219 plot_es3(canvas, "cosh(x)", -2.0f, 2.0f, 0.0f, 4.0f);
220 plot_es3(canvas, "tanh(x)", -2.0f, 2.0f, -1.0f, 1.0f);
221 next_row(canvas);
224 plot_es3(canvas, "asinh(x)", -2.0f, 2.0f, -2.0f, 2.0f);
225 plot_es3(canvas, "acosh(x)", 0.0f, 5.0f, 0.0f, 3.0f);
226 plot_es3(canvas, "atanh(x)", -1.0f, 1.0f, -4.0f, 4.0f);
228 next_row(canvas);
235 canvas,
238 canvas->translate(kPadding, kPadding);
239 canvas->save();
241 plot(canvas, "pow(x, 3)", 0.0f, 8.0f, 0.0f, 500.0f);
242 plot(canvas, "pow(x, -3)", 0.0f, 4.0f, 0.0f, 10.0f);
243 next_row(canvas);
245 plot(canvas, "pow(0.9, x)", -10.0f, 10.0f, 0.0f, 3.0f);
246 plot(canvas, "pow(1.1, x)", -10.0f, 10.0f, 0.0f, 3.0f);
247 next_row(canvas);
249 plot(canvas, "exp(x)", -1.0f, 7.0f, 0.0f, 1000.0f);
250 plot(canvas, "log(x)", 0.0f, 2.5f, -4.0f, 1.0f);
251 next_row(canvas);
253 plot(canvas, "exp2(x)", -1.0f, 7.0f, 0.0f, 130.0f);
254 plot(canvas, "log2(x)", 0.0f, 4.0f, -4.0f, 2.0f);
255 next_row(canvas);
257 plot(canvas, "sqrt(x)", 0.0f, 25.0f, 0.0f, 5.0f);
258 plot(canvas, "inversesqrt(x)", 0.0f, 25.0f, 0.2f, 4.0f);
259 next_row(canvas);
264 canvas,
267 canvas->translate(kPadding, kPadding);
268 canvas->save();
270 plot(canvas, "abs(x)", -10.0f, 10.0f, 0.0f, 10.0f);
271 plot(canvas, "sign(x)", -1.0f, 1.0f, -1.5f, 1.5f);
272 next_row(canvas);
274 plot(canvas, "floor(x)", -3.0f, 3.0f, -4.0f, 4.0f);
275 plot(canvas, "ceil(x)", -3.0f, 3.0f, -4.0f, 4.0f);
276 plot(canvas, "fract(x)", -3.0f, 3.0f, 0.0f, 1.0f);
277 plot(canvas, "mod(x, 2)", -4.0f, 4.0f, -2.0f, 2.0f, "mod(scalar)");
278 plot(canvas, "mod(p, -2).x", -4.0f, 4.0f, -2.0f, 2.0f, "mod(mixed)" );
279 plot(canvas, "mod(p, v2).x", -4.0f, 4.0f, -2.0f, 2.0f, "mod(vector)");
280 next_row(canvas);
282 plot(canvas, "min(x, 1)", 0.0f, 2.0f, 0.0f, 2.0f, "min(scalar)");
283 plot(canvas, "min(p, 1).x", 0.0f, 2.0f, 0.0f, 2.0f, "min(mixed)" );
284 plot(canvas, "min(p, v1).x", 0.0f, 2.0f, 0.0f, 2.0f, "min(vector)");
285 plot(canvas, "max(x, 1)", 0.0f, 2.0f, 0.0f, 2.0f, "max(scalar)");
286 plot(canvas, "max(p, 1).x", 0.0f, 2.0f, 0.0f, 2.0f, "max(mixed)" );
287 plot(canvas, "max(p, v1).x", 0.0f, 2.0f, 0.0f, 2.0f, "max(vector)");
288 next_row(canvas);
290 plot(canvas, "clamp(x, 1, 2)", 0.0f, 3.0f, 0.0f, 3.0f, "clamp(scalar)");
291 plot(canvas, "clamp(p, 1, 2).x", 0.0f, 3.0f, 0.0f, 3.0f, "clamp(mixed)" );
292 plot(canvas, "clamp(p, v1, v2).x", 0.0f, 3.0f, 0.0f, 3.0f, "clamp(vector)");
293 plot(canvas, "saturate(x)", -1.0f, 2.0f, -0.5f, 1.5f);
294 next_row(canvas);
296 plot(canvas, "mix(1, 2, x)", -1.0f, 2.0f, 0.0f, 3.0f, "mix(scalar)");
297 plot(canvas, "mix(v1, v2, x).x", -1.0f, 2.0f, 0.0f, 3.0f, "mix(mixed)" );
298 plot(canvas, "mix(v1, v2, p).x", -1.0f, 2.0f, 0.0f, 3.0f, "mix(vector)");
299 next_row(canvas);
301 plot(canvas, "step(1, x)", 0.0f, 2.0f, -0.5f, 1.5f, "step(scalar)");
302 plot(canvas, "step(1, p).x", 0.0f, 2.0f, -0.5f, 1.5f, "step(mixed)" );
303 plot(canvas, "step(v1, p).x", 0.0f, 2.0f, -0.5f, 1.5f, "step(vector)");
304 plot(canvas, "smoothstep(1, 2, x)", 0.5f, 2.5f, -0.5f, 1.5f, "smooth(scalar)");
305 plot(canvas, "smoothstep(1, 2, p).x", 0.5f, 2.5f, -0.5f, 1.5f, "smooth(mixed)" );
306 plot(canvas, "smoothstep(v1, v2, p).x", 0.5f, 2.5f, -0.5f, 1.5f, "smooth(vector)");
307 next_row(canvas);
309 plot(canvas, "floor(p).x", -3.0f, 3.0f, -4.0f, 4.0f);
310 plot(canvas, "ceil(p).x", -3.0f, 3.0f, -4.0f, 4.0f);
311 plot(canvas, "floor(p).y", -3.0f, 3.0f, -4.0f, 4.0f);
312 plot(canvas, "ceil(p).y", -3.0f, 3.0f, -4.0f, 4.0f);
313 next_row(canvas);
318 ctx, canvas, errorMsg,
326 canvas->translate(kPadding, kPadding);
327 canvas->save();
329 plot_es3(canvas, "floatBitsToInt(x)", -2, 2, -2'000'000'000, 2'000'000'000,
331 plot_es3(canvas, "floatBitsToInt(p).x", -2, 2, -2'000'000'000, 2'000'000'000,
333 plot_es3(canvas, "floatBitsToUint(x)", -2, 2, 0, 4'000'000'000,
335 plot_es3(canvas, "floatBitsToUint(p).x", -2, 2, 0, 4'000'000'000,
337 next_row(canvas);
339 plot_es3(canvas, "intBitsToFloat(xi)", -2'000'000'000, 2'000'000'000, -2, 2,
341 plot_es3(canvas, "intBitsToFloat(pi).x", -2'000'000'000, 2'000'000'000, -2, 2,
343 plot_es3(canvas, "uintBitsToFloat(uint(xi))", 0, 4'000'000'000, -2, 2,
345 plot_es3(canvas, "uintBitsToFloat(uint2(pi)).x", 0, 4'000'000'000, -2, 2,
347 next_row(canvas);
349 plot_es3(canvas, "trunc(x)", -2, 2, -3, 3);
350 plot_es3(canvas, "trunc(p).x", -2, 2, -3, 3);
351 plot_es3(canvas, "round(x)", -2, 2, -3, 3);
352 plot_es3(canvas, "round(p).x", -2, 2, -3, 3);
353 plot_es3(canvas, "roundEven(x)", -2, 2, -3, 3);
354 plot_es3(canvas, "roundEven(p).x", -2, 2, -3, 3);
355 next_row(canvas);
357 plot_es3(canvas, "min(xi, 1)", -2, 5, -3, 5, "min(int-scalar)");
358 plot_es3(canvas, "min(pi, 1).x", -2, 5, -3, 5, "min(int-mixed)" );
359 plot_es3(canvas, "min(pi, int2(1)).x", -2, 5, -3, 5, "min(int-vector)");
360 plot_es3(canvas, "max(xi, 1)", -2, 5, -3, 5, "max(int-scalar)");
361 plot_es3(canvas, "max(pi, 1).x", -2, 5, -3, 5, "max(int-mixed)" );
362 plot_es3(canvas, "max(pi, int2(1)).x", -2, 5, -3, 5, "max(int-vector)");
363 next_row(canvas);
365 plot_es3(canvas, "clamp(xi, 1, 3)", -1, 5, -1, 5, "clamp(int-scalar)");
366 plot_es3(canvas, "clamp(pi, 1, 3).x", -1, 5, -1, 5, "clamp(int-mixed)" );
367 plot_es3(canvas, "clamp(pi, int2(1), int2(3)).x", -1, 5, -1, 5, "clamp(int-vector)");
368 plot_es3(canvas, "mix(p.x, p.y, (x>0) )", -1, 2, 0, 3, "mix(scalar, bool)");
369 plot_es3(canvas, "mix(p.yx, p, (x>0).xx).x", -1, 2, 0, 3, "mix(vector, bool)");
370 next_row(canvas);
378 canvas,
381 canvas->translate(kPadding, kPadding);
382 canvas->save();
384 plot(canvas, "length(x)", -1.0f, 1.0f, -0.5f, 1.5f);
385 plot(canvas, "length(p)", 0.0f, 1.0f, 0.5f, 1.5f);
386 plot(canvas, "distance(x, 0)", -1.0f, 1.0f, -0.5f, 1.5f);
387 plot(canvas, "distance(p, v1)", 0.0f, 1.0f, 0.5f, 1.5f);
388 next_row(canvas);
390 plot(canvas, "dot(x, 2)", -1.0f, 1.0f, -2.5f, 2.5f);
391 plot(canvas, "dot(p, p.y1)", -1.0f, 1.0f, -2.5f, 0.5f);
392 next_row(canvas);
394 plot(canvas, "cross(p.xy1, p.y1x).x", 0.0f, 1.0f, -1.0f, 1.0f);
395 plot(canvas, "cross(p.xy1, p.y1x).y", 0.0f, 1.0f, -1.0f, 1.0f);
396 plot(canvas, "cross(p.xy1, p.y1x).z", 0.0f, 1.0f, -1.0f, 1.0f);
397 next_row(canvas);
399 plot(canvas, "normalize(x)", -2.0f, 2.0f, -1.5f, 1.5f);
400 plot(canvas, "normalize(p).x", 0.0f, 2.0f, 0.0f, 1.0f);
401 plot(canvas, "normalize(p).y", 0.0f, 2.0f, 0.0f, 1.0f);
402 plot(canvas, "faceforward(v1, p.x0, v1.x0).x", -1.0f, 1.0f, -1.5f, 1.5f, "faceforward");
403 next_row(canvas);
405 plot(canvas, "reflect(p.x1, v1.0x).x", -1.0f, 1.0f, -1.0f, 1.0f, "reflect(horiz)");
406 plot(canvas, "reflect(p.x1, normalize(v1)).y", -1.0f, 1.0f, -1.0f, 1.0f, "reflect(diag)" );
407 plot(canvas, "refract(v1.x0, v1.0x, x).x", 0.0f, 1.0f, -1.0f, 1.0f, "refract().x");
408 plot(canvas, "refract(v1.x0, v1.0x, x).y", 0.0f, 1.0f, -1.0f, 1.0f, "refract().y");
409 next_row(canvas);
448 static void plot_matrix_comp_mult(SkCanvas* canvas,
452 canvas->save();
454 draw_label(canvas, label);
466 draw_shader(canvas, builder.makeShader(/*localMatrix=*/nullptr, /*isOpaque=*/false));
468 canvas->restore();
469 next_column(canvas);
488 static void plot_matrix_inverse(SkCanvas* canvas, std::array<float, N*N> mtx, const char* label) {
489 canvas->save();
491 draw_label(canvas, label);
504 draw_shader(canvas, builder.makeShader(/*localMatrix=*/nullptr, /*isOpaque=*/false));
506 canvas->restore();
507 next_column(canvas);
512 canvas,
515 canvas->translate(kPadding, kPadding);
516 canvas->save();
519 plot_matrix_comp_mult<2>(canvas,
524 plot_matrix_comp_mult<3>(canvas,
529 plot_matrix_comp_mult<4>(canvas,
535 next_row(canvas);
538 plot_matrix_inverse<2>(canvas,
543 plot_matrix_inverse<3>(canvas,
549 plot_matrix_inverse<4>(canvas,
555 next_row(canvas);
576 static void plot_bvec(SkCanvas* canvas, const char* fn, const char* label) {
577 canvas->save();
579 draw_label(canvas, label);
591 draw_shader(canvas,
598 canvas->restore();
599 next_column(canvas);
604 canvas,
607 canvas->translate(kPadding, kPadding);
608 canvas->save();
610 plot_bvec<float>(canvas, "lessThan(p, v1)", "lessThan");
611 plot_bvec<int> (canvas, "lessThan(int2(p), v1)", "lessThan(int)");
612 plot_bvec<float>(canvas, "lessThanEqual(p, v1)", "lessThanEqual");
613 plot_bvec<int> (canvas, "lessThanEqual(int2(p), v1)", "lessThanEqual(int)");
614 next_row(canvas);
616 plot_bvec<float>(canvas, "greaterThan(p, v1)", "greaterThan");
617 plot_bvec<int> (canvas, "greaterThan(int2(p), v1)", "greaterThan(int)");
618 plot_bvec<float>(canvas, "greaterThanEqual(p, v1)", "greaterThanEqual");
619 plot_bvec<int> (canvas, "greaterThanEqual(int2(p), v1)", "greaterThanEqual(int)");
620 next_row(canvas);
622 plot_bvec<float>(canvas, "equal(p, v1)", "equal");
623 plot_bvec<int> (canvas, "equal(int2(p), v1)", "equal(int)");
624 plot_bvec<float>(canvas, "notEqual(p, v1)", "notEqual");
625 plot_bvec<int> (canvas, "notEqual(int2(p), v1)", "notEqual(int)");
626 next_row(canvas);
628 plot_bvec(canvas, "equal( lessThanEqual(p, v1), greaterThanEqual(p, v1))", "equal(bvec)");
629 plot_bvec(canvas, "notEqual(lessThanEqual(p, v1), greaterThanEqual(p, v1))", "notequal(bvec)");
630 next_row(canvas);
632 plot_bvec(canvas, "not(notEqual(p, v1))", "not(notEqual)");
633 plot_bvec(canvas, "not(equal(p, v1))", "not(equal)");
634 next_row(canvas);
636 plot_bvec(canvas, "bool2(any(equal(p, v1)))", "any(equal)");
637 plot_bvec(canvas, "bool2(all(equal(p, v1)))", "all(equal)");
638 next_row(canvas);