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. 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 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
