skia2/docs/examples/Matrix_set.cpp

// Copyright 2019 Google LLC.
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
#include "tools/fiddle/examples.h"
// HASH=1d400a92ca826cc89bcb88ea051f28c8
REG_FIDDLE(Matrix_set, 256, 256, true, 0) {
void draw(SkCanvas* canvas) {
    SkMatrix matrix;
    matrix.setIdentity();
    SkDebugf("with identity matrix: x = %g\n", matrix.mapXY(24, 42).fX);
    matrix.set(SkMatrix::kMSkewX, 0);
    SkDebugf("after skew x mod:     x = %g\n", matrix.mapXY(24, 42).fX);
    matrix.set(SkMatrix::kMSkewX, 1);
    SkDebugf("after 2nd skew x mod: x = %g\n", matrix.mapXY(24, 42).fX);
}
}  // END FIDDLE
Revert "Revert "Compile all fiddle examples locally"" This reverts commit 37575bf3cad759b4703b2021d3fc80bb8eded60f. Change-Id: Ia31abbd4906ddeed406f3da1128bc4d4177abf24 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/201603 Reviewed-by: Hal Canary <halcanary@google.com> Commit-Queue: Hal Canary <halcanary@google.com> 2019-03-15 18:22:51 +00:00			`// Copyright 2019 Google LLC.`
			`// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.`
rewrite includes to not need so much -Ifoo Current strategy: everything from the top Things to look at first are the manual changes: - added tools/rewrite_includes.py - removed -Idirectives from BUILD.gn - various compile.sh simplifications - tweak tools/embed_resources.py - update gn/find_headers.py to write paths from the top - update gn/gn_to_bp.py SkUserConfig.h layout so that #include "include/config/SkUserConfig.h" always gets the header we want. No-Presubmit: true Change-Id: I73a4b181654e0e38d229bc456c0d0854bae3363e Reviewed-on: https://skia-review.googlesource.com/c/skia/+/209706 Commit-Queue: Mike Klein <mtklein@google.com> Reviewed-by: Hal Canary <halcanary@google.com> Reviewed-by: Brian Osman <brianosman@google.com> Reviewed-by: Florin Malita <fmalita@chromium.org> 2019-04-23 17:05:21 +00:00			`#include "tools/fiddle/examples.h"`
Revert "Revert "Compile all fiddle examples locally"" This reverts commit 37575bf3cad759b4703b2021d3fc80bb8eded60f. Change-Id: Ia31abbd4906ddeed406f3da1128bc4d4177abf24 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/201603 Reviewed-by: Hal Canary <halcanary@google.com> Commit-Queue: Hal Canary <halcanary@google.com> 2019-03-15 18:22:51 +00:00			`// HASH=1d400a92ca826cc89bcb88ea051f28c8`
Docs: Give documentation examples better names These names come from the bookmaker generated md files. Also, delete ducplicated and empty examples. A later CL will re-name the cpp files. Change-Id: Ie365b9cc1cc705d010c674b9988b32c8307a0455 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/201609 Commit-Queue: Hal Canary <halcanary@google.com> Reviewed-by: Hal Canary <halcanary@google.com> 2019-03-18 20:06:34 +00:00			`REG_FIDDLE(Matrix_set, 256, 256, true, 0) {`
Revert "Revert "Compile all fiddle examples locally"" This reverts commit 37575bf3cad759b4703b2021d3fc80bb8eded60f. Change-Id: Ia31abbd4906ddeed406f3da1128bc4d4177abf24 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/201603 Reviewed-by: Hal Canary <halcanary@google.com> Commit-Queue: Hal Canary <halcanary@google.com> 2019-03-15 18:22:51 +00:00			`void draw(SkCanvas* canvas) {`
			`SkMatrix matrix;`
			`matrix.setIdentity();`
			`SkDebugf("with identity matrix: x = %g\n", matrix.mapXY(24, 42).fX);`
			`matrix.set(SkMatrix::kMSkewX, 0);`
			`SkDebugf("after skew x mod: x = %g\n", matrix.mapXY(24, 42).fX);`
			`matrix.set(SkMatrix::kMSkewX, 1);`
			`SkDebugf("after 2nd skew x mod: x = %g\n", matrix.mapXY(24, 42).fX);`
			`}`
			`} // END FIDDLE`