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 * Simple tool to generate SKP files for testing.
8 */
9
10 #include "SkCanvas.h"
11 #include "SkColor.h"
12 #include "SkCommandLineFlags.h"
13 #include "SkPaint.h"
14 #include "SkPicture.h"
15 #include "SkPictureRecorder.h"
16 #include "SkScalar.h"
17 #include "SkStream.h"
18
19 #include <stdlib.h>
20
21 // Flags used by this file, alphabetically:
22 DEFINE_int32(blue, 128, "Value of blue color channel in image, 0-255.");
23 DEFINE_int32(border, 4, "Width of the black border around the image.");
24 DEFINE_int32(green, 128, "Value of green color channel in image, 0-255.");
25 DEFINE_int32(height, 200, "Height of canvas to create.");
26 DEFINE_int32(red, 128, "Value of red color channel in image, 0-255.");
27 DEFINE_int32(width, 300, "Width of canvas to create.");
28 DEFINE_string(writePath, "", "Filepath to write the SKP into.");
29
30 // Create a 'width' by 'height' skp with a 'border'-wide black border around
31 // a 'color' rectangle.
make_skp(SkScalar width,SkScalar height,SkScalar border,SkColor color,const char * writePath)32 static void make_skp(SkScalar width, SkScalar height, SkScalar border, SkColor color,
33 const char *writePath) {
34 SkPictureRecorder recorder;
35 SkCanvas* canvas = recorder.beginRecording(width, height, nullptr, 0);
36 SkPaint paint;
37 paint.setStyle(SkPaint::kFill_Style);
38 paint.setColor(SK_ColorBLACK);
39 SkRect r = SkRect::MakeWH(width, height);
40 canvas->drawRect(r, paint);
41 paint.setColor(color);
42 r.inset(border, border);
43 canvas->drawRect(r, paint);
44 SkFILEWStream stream(writePath);
45 recorder.finishRecordingAsPicture()->serialize(&stream);
46 }
47
main(int argc,char ** argv)48 int main(int argc, char** argv) {
49 SkCommandLineFlags::SetUsage("Creates a simple .skp file for testing.");
50 SkCommandLineFlags::Parse(argc, argv);
51
52 // Validate flags.
53 if ((FLAGS_blue < 0) || (FLAGS_blue > 255)) {
54 SkDebugf("--blue must be within range [0,255]\n");
55 exit(-1);
56 }
57 if ((FLAGS_green < 0) || (FLAGS_green > 255)) {
58 SkDebugf("--green must be within range [0,255]\n");
59 exit(-1);
60 }
61 if (FLAGS_height <= 0) {
62 SkDebugf("--height must be >0\n");
63 exit(-1);
64 }
65 if ((FLAGS_red < 0) || (FLAGS_red > 255)) {
66 SkDebugf("--red must be within range [0,255]\n");
67 exit(-1);
68 }
69 if (FLAGS_width <= 0) {
70 SkDebugf("--width must be >0\n");
71 exit(-1);
72 }
73 if (FLAGS_writePath.isEmpty()) {
74 SkDebugf("--writePath must be nonempty\n");
75 exit(-1);
76 }
77
78 SkColor color = SkColorSetRGB(FLAGS_red, FLAGS_green, FLAGS_blue);
79 make_skp(SkIntToScalar(FLAGS_width),
80 SkIntToScalar(FLAGS_height),
81 SkIntToScalar(FLAGS_border),
82 color, FLAGS_writePath[0]);
83 return 0;
84 }
85