[skotty] Add Json DM source
Generates a filmstrip with evenly distributed frames for a Skotty animation.
TBR=
Change-Id: Ia89e0d65d59fd5ab4ef221a231e9b3e0c033828a
Reviewed-on: https://skia-review.googlesource.com/90025
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
diff --git a/dm/DMSrcSink.cpp b/dm/DMSrcSink.cpp
index c8a4bc2..beb55d9 100644
--- a/dm/DMSrcSink.cpp
+++ b/dm/DMSrcSink.cpp
@@ -32,6 +32,7 @@
#include "SkMultiPictureDocumentPriv.h"
#include "SkMultiPictureDraw.h"
#include "SkNullCanvas.h"
+#include "Skotty.h"
#include "SkOSFile.h"
#include "SkOSPath.h"
#include "SkOpts.h"
@@ -1310,7 +1311,86 @@
Name DDLSKPSrc::name() const { return SkOSPath::Basename(fPath.c_str()); }
-/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
+/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
+
+SkottySrc::SkottySrc(Path path)
+ : fName(SkOSPath::Basename(path.c_str())) {
+
+ auto stream = SkStream::MakeFromFile(path.c_str());
+ fAnimation = skotty::Animation::Make(stream.get());
+
+ if (!fAnimation) {
+ return;
+ }
+
+ // Fit kTileCount x kTileCount frames to a 1000x1000 film strip.
+ static constexpr SkScalar kTargetSize = 1000;
+ const auto scale = kTargetSize / (kTileCount * std::max(fAnimation->size().width(),
+ fAnimation->size().height()));
+ fTileSize = SkSize::Make(scale * fAnimation->size().width(),
+ scale * fAnimation->size().height()).toCeil();
+
+}
+
+Error SkottySrc::draw(SkCanvas* canvas) const {
+ if (!fAnimation) {
+ return SkStringPrintf("Unable to parse file: %s", fName.c_str());
+ }
+
+ canvas->drawColor(SK_ColorWHITE);
+
+ SkPaint paint;
+ paint.setColor(0xffa0a0a0);
+ paint.setStyle(SkPaint::kStroke_Style);
+ paint.setStrokeWidth(0);
+
+ const auto ip = fAnimation->inPoint() * 1000 / fAnimation->frameRate(),
+ op = fAnimation->outPoint() * 1000 / fAnimation->frameRate(),
+ fr = (op - ip) / (kTileCount * kTileCount - 1);
+
+ const auto canvas_size = this->size();
+ for (int i = 0; i < kTileCount; ++i) {
+ const SkScalar y = i * (fTileSize.height() + 1);
+ canvas->drawLine(0, .5f + y, canvas_size.width(), .5f + y, paint);
+
+ for (int j = 0; j < kTileCount; ++j) {
+ const SkScalar x = j * (fTileSize.width() + 1);
+ canvas->drawLine(x + .5f, 0, x + .5f, canvas_size.height(), paint);
+ SkRect dest = SkRect::MakeXYWH(x, y, fTileSize.width(), fTileSize.height());
+
+ SkAutoCanvasRestore acr(canvas, true);
+ canvas->clipRect(dest);
+ canvas->concat(SkMatrix::MakeRectToRect(SkRect::MakeSize(fAnimation->size()),
+ dest,
+ SkMatrix::kFill_ScaleToFit));
+
+ const auto t = fr * (i * kTileCount + j);
+ fAnimation->animationTick(t);
+ fAnimation->render(canvas);
+ }
+ }
+
+ return "";
+}
+
+SkISize SkottySrc::size() const {
+ // Padding for grid.
+ return SkISize::Make(kTileCount * (fTileSize.width() + 1),
+ kTileCount * (fTileSize.height() + 1));
+}
+
+Name SkottySrc::name() const { return fName; }
+
+bool SkottySrc::veto(SinkFlags flags) const {
+ // No need to test to non-(raster||gpu||vector) or indirect backends.
+ bool type_ok = flags.type == SinkFlags::kRaster
+ || flags.type == SinkFlags::kGPU
+ || flags.type == SinkFlags::kVector;
+
+ return !type_ok || flags.approach != SinkFlags::kDirect;
+}
+
+/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
#if defined(SK_XML)
// Used when the image doesn't have an intrinsic size.
static const SkSize kDefaultSVGSize = {1000, 1000};