| /* | 
 |  * Copyright (C) 2011 The Android Open Source Project | 
 |  * | 
 |  * Licensed under the Apache License, Version 2.0 (the "License"); | 
 |  * you may not use this file except in compliance with the License. | 
 |  * You may obtain a copy of the License at | 
 |  * | 
 |  *      http://www.apache.org/licenses/LICENSE-2.0 | 
 |  * | 
 |  * Unless required by applicable law or agreed to in writing, software | 
 |  * distributed under the License is distributed on an "AS IS" BASIS, | 
 |  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
 |  * See the License for the specific language governing permissions and | 
 |  * limitations under the License. | 
 |  */ | 
 |  | 
 | /* | 
 |  * Hardware Composer Rectangles | 
 |  * | 
 |  * Synopsis | 
 |  *   hwcRects [options] (graphicFormat displayFrame [attributes],)... | 
 |  *     options: | 
 |  *       -D #.## - End of test delay | 
 |  *       -v - Verbose | 
 |  * | 
 |  *      graphic formats: | 
 |  *        RGBA8888 (reference frame default) | 
 |  *        RGBX8888 | 
 |  *        RGB888 | 
 |  *        RGB565 | 
 |  *        BGRA8888 | 
 |  *        RGBA5551 | 
 |  *        RGBA4444 | 
 |  *        YV12 | 
 |  * | 
 |  *      displayFrame | 
 |  *        [left, top, right, bottom] | 
 |  * | 
 |  *      attributes: | 
 |  *        transform: none | fliph | flipv | rot90 | rot180 | rot270 | 
 |  *        blend: none | premult | coverage | 
 |  *        color: [0.##, 0.##, 0.##] | 
 |  *        alpha: 0.## | 
 |  *        sourceDim: [width, height] | 
 |  *        sourceCrop: [left, top, right, bottom] | 
 |  * | 
 |  *      Example: | 
 |  *        # White YV12 rectangle, with overlapping turquoise | 
 |  *        #  RGBA8888 rectangle at 30%% (alpha: 0.7) transparency | 
 |  *        hwcRects -v -D 30.0 \ | 
 |  *          YV12 [50, 80, 200, 300] transform: none \ | 
 |  *            color: [1.0, 0.5, 0.5], \ | 
 |  *          RGBA8888 [100, 150, 300, 400] blend: coverage \ | 
 |  *            color: [0.251, 0.878, 0.816] alpha: 0.7 \ | 
 |  *            sourceDim: [50, 60] sourceCrop: [5, 8, 12, 15] | 
 |  * | 
 |  * Description | 
 |  *   Constructs a Hardware Composer (HWC) list of frames from | 
 |  *   command-line specified parameters.  Then sends it to the HWC | 
 |  *   be rendered.  The intended purpose of this tool is as a means to | 
 |  *   reproduce and succinctly specify an observed HWC operation, with | 
 |  *   no need to modify/compile a program. | 
 |  * | 
 |  *   The command-line syntax consists of a few standard command-line | 
 |  *   options and then a description of one or more frames.  The frame | 
 |  *   descriptions are separated from one another via a comma.  The | 
 |  *   beginning of a frame description requires the specification | 
 |  *   of the graphic format and then the display frame rectangle where | 
 |  *   the frame will be displayed.  The display frame rectangle is | 
 |  *   specified as follows, with the right and bottom coordinates being | 
 |  *   exclusive values: | 
 |  * | 
 |  *     [left, top, right, bottom] | 
 |  *     | 
 |  *   After these two required parameters each frame description can | 
 |  *   specify 1 or more optional attributes.  The name of each optional | 
 |  *   attribute is preceded by a colon.  The current implementation | 
 |  *   then requires white space after the colon and then the value of | 
 |  *   the attribute is specified.  See the synopsis section above for | 
 |  *   a list of attributes and the format of their expected value. | 
 |  */ | 
 |  | 
 | #include <algorithm> | 
 | #include <assert.h> | 
 | #include <cerrno> | 
 | #include <cmath> | 
 | #include <cstdlib> | 
 | #include <ctime> | 
 | #include <istream> | 
 | #include <libgen.h> | 
 | #include <list> | 
 | #include <sched.h> | 
 | #include <sstream> | 
 | #include <stdint.h> | 
 | #include <string.h> | 
 | #include <unistd.h> | 
 |  | 
 | #include <sys/syscall.h> | 
 | #include <sys/types.h> | 
 | #include <sys/wait.h> | 
 |  | 
 | #include <EGL/egl.h> | 
 | #include <EGL/eglext.h> | 
 | #include <GLES2/gl2.h> | 
 | #include <GLES2/gl2ext.h> | 
 |  | 
 | #include <ui/FramebufferNativeWindow.h> | 
 | #include <ui/GraphicBuffer.h> | 
 | #include <ui/EGLUtils.h> | 
 |  | 
 | #define LOG_TAG "hwcRectsTest" | 
 | #include <utils/Log.h> | 
 | #include <testUtil.h> | 
 |  | 
 | #include <hardware/hwcomposer.h> | 
 |  | 
 | #include <glTestLib.h> | 
 | #include <hwc/hwcTestLib.h> | 
 |  | 
 | using namespace std; | 
 | using namespace android; | 
 |  | 
 | // Defaults | 
 | const bool defaultVerbose = false; | 
 | const float defaultEndDelay = 2.0; // Default delay after rendering graphics | 
 |  | 
 | const uint32_t   defaultFormat = HAL_PIXEL_FORMAT_RGBA_8888; | 
 | const int32_t    defaultTransform = 0; | 
 | const uint32_t   defaultBlend = HWC_BLENDING_NONE; | 
 | const ColorFract defaultColor(0.5, 0.5, 0.5); | 
 | const float      defaultAlpha = 1.0; // Opaque | 
 | const HwcTestDim defaultSourceDim(1, 1); | 
 | const struct hwc_rect defaultSourceCrop = {0, 0, 1, 1}; | 
 | const struct hwc_rect defaultDisplayFrame = {0, 0, 100, 100}; | 
 |  | 
 | // Defines | 
 | #define MAXCMD               200 | 
 | #define CMD_STOP_FRAMEWORK   "stop 2>&1" | 
 | #define CMD_START_FRAMEWORK  "start 2>&1" | 
 |  | 
 | // Macros | 
 | #define NUMA(a) (sizeof(a) / sizeof(a [0])) // Num elements in an array | 
 |  | 
 | // Local types | 
 | class Rectangle { | 
 | public: | 
 |     Rectangle() : format(defaultFormat), transform(defaultTransform), | 
 |                   blend(defaultBlend), color(defaultColor), | 
 |                   alpha(defaultAlpha), sourceDim(defaultSourceDim), | 
 |                   sourceCrop(defaultSourceCrop), | 
 |                   displayFrame(defaultDisplayFrame) {}; | 
 |  | 
 |     uint32_t     format; | 
 |     uint32_t     transform; | 
 |     int32_t      blend; | 
 |     ColorFract   color; | 
 |     float        alpha; | 
 |     HwcTestDim   sourceDim; | 
 |     struct hwc_rect   sourceCrop; | 
 |     struct hwc_rect   displayFrame; | 
 |  | 
 |     sp<GraphicBuffer> texture; | 
 | }; | 
 |  | 
 | // Globals | 
 | list<Rectangle> rectangle; | 
 | static const int texUsage = GraphicBuffer::USAGE_HW_TEXTURE | | 
 |         GraphicBuffer::USAGE_SW_WRITE_RARELY; | 
 | static hwc_composer_device_t *hwcDevice; | 
 | static EGLDisplay dpy; | 
 | static EGLSurface surface; | 
 | static EGLint width, height; | 
 |  | 
 | // Function prototypes | 
 | static Rectangle parseRect(string rectStr); | 
 | void init(void); | 
 | void printSyntax(const char *cmd); | 
 |  | 
 | // Command-line option settings | 
 | static bool verbose = defaultVerbose; | 
 | static float endDelay = defaultEndDelay; | 
 |  | 
 | /* | 
 |  * Main | 
 |  * | 
 |  * Performs the following high-level sequence of operations: | 
 |  * | 
 |  *   1. Parse command-line options | 
 |  * | 
 |  *   2. Stop framework | 
 |  * | 
 |  *   3. Initialization | 
 |  * | 
 |  *   4. Parse frame descriptions | 
 |  * | 
 |  *   5. Create HWC list from frame descriptions | 
 |  * | 
 |  *   6. Have HWC render the list description of the frames | 
 |  * | 
 |  *   7. Delay for amount of time given by endDelay | 
 |  * | 
 |  *   8. Start framework | 
 |  */ | 
 | int | 
 | main(int argc, char *argv[]) | 
 | { | 
 |     int     rv, opt; | 
 |     char   *chptr; | 
 |     bool    error; | 
 |     string  str; | 
 |     char cmd[MAXCMD]; | 
 |  | 
 |     testSetLogCatTag(LOG_TAG); | 
 |  | 
 |     // Parse command line arguments | 
 |     while ((opt = getopt(argc, argv, "D:v?h")) != -1) { | 
 |         switch (opt) { | 
 |           case 'D': // End of test delay | 
 |             endDelay = strtod(optarg, &chptr); | 
 |             if ((*chptr != '\0') || (endDelay < 0.0)) { | 
 |                 testPrintE("Invalid command-line specified end of test delay " | 
 |                            "of: %s", optarg); | 
 |                 exit(1); | 
 |             } | 
 |             break; | 
 |  | 
 |           case 'v': // Verbose | 
 |             verbose = true; | 
 |             break; | 
 |  | 
 |           case 'h': // Help | 
 |           case '?': | 
 |           default: | 
 |             printSyntax(basename(argv[0])); | 
 |             exit(((optopt == 0) || (optopt == '?')) ? 0 : 2); | 
 |         } | 
 |     } | 
 |  | 
 |     // Stop framework | 
 |     rv = snprintf(cmd, sizeof(cmd), "%s", CMD_STOP_FRAMEWORK); | 
 |     if (rv >= (signed) sizeof(cmd) - 1) { | 
 |         testPrintE("Command too long for: %s", CMD_STOP_FRAMEWORK); | 
 |         exit(3); | 
 |     } | 
 |     testExecCmd(cmd); | 
 |     testDelay(1.0); // TODO - needs means to query whether asyncronous stop | 
 |                     // framework operation has completed.  For now, just wait | 
 |                     // a long time. | 
 |  | 
 |     init(); | 
 |  | 
 |     // Parse rectangle descriptions | 
 |     int numOpen = 0; // Current number of unmatched <[ | 
 |     string rectDesc(""); // String description of a single rectangle | 
 |     while (optind < argc) { | 
 |         string argNext = string(argv[optind++]); | 
 |  | 
 |         if (rectDesc.length()) { rectDesc += ' '; } | 
 |         rectDesc += argNext; | 
 |  | 
 |         // Count number of opening <[ and matching >] | 
 |         // At this point not worried about an opening character being | 
 |         // matched by it's corresponding closing character.  For example, | 
 |         // "<1.0, 2.0]" is incorrect because the opening < should be matched | 
 |         // with a closing >, instead of the closing ].  Such errors are | 
 |         // detected when the actual value is parsed. | 
 |         for (unsigned int n1 = 0; n1 < argNext.length(); n1++) { | 
 |             switch(argNext[n1]) { | 
 |               case '[': | 
 |               case '<': | 
 |                 numOpen++; | 
 |                 break; | 
 |  | 
 |               case ']': | 
 |               case '>': | 
 |                 numOpen--; | 
 |                 break; | 
 |             } | 
 |  | 
 |             // Error anytime there is more closing then opening characters | 
 |             if (numOpen < 0) { | 
 |                 testPrintI("Mismatched number of opening <[ with " | 
 |                            "closing >] in: %s", rectDesc.c_str()); | 
 |                 exit(4); | 
 |             } | 
 |         } | 
 |  | 
 |         // Description of a rectangle is complete when all opening | 
 |         // <[ are closed with >] and the string ends with a comma or | 
 |         // there are no more args. | 
 |         if ((numOpen == 0) && rectDesc.length() | 
 |             && ((rectDesc[rectDesc.length() - 1] == ',') | 
 |                 || (optind == argc))) { | 
 |             // Remove trailing comma if it is present | 
 |             if (rectDesc[rectDesc.length() - 1] == ',') { | 
 |                 rectDesc.erase(rectDesc.length() - 1); | 
 |             } | 
 |  | 
 |             // Parse string description of rectangle | 
 |             Rectangle rect = parseRect(rectDesc); | 
 |  | 
 |             // Add to the list of rectangles | 
 |             rectangle.push_back(rect); | 
 |  | 
 |             // Prepare for description of another rectangle | 
 |             rectDesc = string(""); | 
 |         } | 
 |     } | 
 |  | 
 |     // Create list of frames | 
 |     hwc_layer_list_t *list; | 
 |     list = hwcTestCreateLayerList(rectangle.size()); | 
 |     if (list == NULL) { | 
 |         testPrintE("hwcTestCreateLayerList failed"); | 
 |         exit(5); | 
 |     } | 
 |  | 
 |     hwc_layer_t *layer = &list->hwLayers[0]; | 
 |     for (std::list<Rectangle>::iterator it = rectangle.begin(); | 
 |          it != rectangle.end(); ++it, ++layer) { | 
 |         layer->handle = it->texture->handle; | 
 |         layer->blending = it->blend; | 
 |         layer->transform = it->transform; | 
 |         layer->sourceCrop = it->sourceCrop; | 
 |         layer->displayFrame = it->displayFrame; | 
 |  | 
 |         layer->visibleRegionScreen.numRects = 1; | 
 |         layer->visibleRegionScreen.rects = &layer->displayFrame; | 
 |     } | 
 |  | 
 |     // Perform prepare operation | 
 |     if (verbose) { testPrintI("Prepare:"); hwcTestDisplayList(list); } | 
 |     hwcDevice->prepare(hwcDevice, list); | 
 |     if (verbose) { | 
 |         testPrintI("Post Prepare:"); | 
 |         hwcTestDisplayListPrepareModifiable(list); | 
 |     } | 
 |  | 
 |     // Turn off the geometry changed flag | 
 |     list->flags &= ~HWC_GEOMETRY_CHANGED; | 
 |  | 
 |     // Perform the set operation(s) | 
 |     if (verbose) {testPrintI("Set:"); } | 
 |     if (verbose) { hwcTestDisplayListHandles(list); } | 
 |     hwcDevice->set(hwcDevice, dpy, surface, list); | 
 |  | 
 |     testDelay(endDelay); | 
 |  | 
 |     // Start framework | 
 |     rv = snprintf(cmd, sizeof(cmd), "%s", CMD_START_FRAMEWORK); | 
 |     if (rv >= (signed) sizeof(cmd) - 1) { | 
 |         testPrintE("Command too long for: %s", CMD_START_FRAMEWORK); | 
 |         exit(6); | 
 |     } | 
 |     testExecCmd(cmd); | 
 |  | 
 |     return 0; | 
 | } | 
 |  | 
 | // Parse string description of rectangle and add it to list of rectangles | 
 | // to be rendered. | 
 | static Rectangle parseRect(string rectStr) | 
 | { | 
 |     int rv; | 
 |     string str; | 
 |     bool   error; | 
 |     istringstream in(rectStr); | 
 |     const struct hwcTestGraphicFormat *format; | 
 |     Rectangle rect; | 
 |     struct hwc_rect hwcRect; | 
 |  | 
 |     // Graphic Format | 
 |     in >> str; | 
 |     if (!in) { | 
 |         testPrintE("Error parsing format from: %s", rectStr.c_str()); | 
 |         exit(20); | 
 |     } | 
 |     format = hwcTestGraphicFormatLookup(str.c_str()); | 
 |     if (format == NULL) { | 
 |         testPrintE("Unknown graphic format in: %s", rectStr.c_str()); | 
 |         exit(21); | 
 |     } | 
 |     rect.format = format->format; | 
 |  | 
 |     // Display Frame | 
 |     rect.displayFrame = hwcTestParseHwcRect(in, error); | 
 |     if (error) { | 
 |         testPrintE("Invalid display frame in: %s", rectStr.c_str()); | 
 |         exit(22); | 
 |     } | 
 |  | 
 |     // Set default sourceDim and sourceCrop based on size of display frame. | 
 |     // Default is source size equal to the size of the display frame, with | 
 |     // the source crop being the entire size of the source frame. | 
 |     rect.sourceDim = HwcTestDim(rect.displayFrame.right | 
 |                                      - rect.displayFrame.left, | 
 |                                  rect.displayFrame.bottom | 
 |                                      - rect.displayFrame.top); | 
 |     rect.sourceCrop.left = 0; | 
 |     rect.sourceCrop.top = 0; | 
 |     rect.sourceCrop.right = rect.sourceDim.width(); | 
 |     rect.sourceCrop.bottom = rect.sourceDim.height(); | 
 |  | 
 |     // Optional settings | 
 |     while ((in.tellg() < (streampos) in.str().length()) | 
 |            && (in.tellg() != (streampos) -1)) { | 
 |         string attrName; | 
 |  | 
 |         in >> attrName; | 
 |         if (in.eof()) { break; } | 
 |         if (!in) { | 
 |             testPrintE("Error reading attribute name in: %s", | 
 |                        rectStr.c_str()); | 
 |             exit(23); | 
 |         } | 
 |  | 
 |         // Transform | 
 |         if (attrName == "transform:") { // Transform | 
 |             string str; | 
 |  | 
 |             in >> str; | 
 |             if (str == "none") { | 
 |                 rect.transform = 0; | 
 |             } else if (str == "fliph") { | 
 |                 rect.transform = HWC_TRANSFORM_FLIP_H; | 
 |             } else if (str == "flipv") { | 
 |                 rect.transform = HWC_TRANSFORM_FLIP_V; | 
 |             } else if (str == "rot90") { | 
 |                 rect.transform = HWC_TRANSFORM_ROT_90; | 
 |             } else if (str == "rot180") { | 
 |                 rect.transform = HWC_TRANSFORM_ROT_180; | 
 |             } else if (str == "rot270") { | 
 |                 rect.transform = HWC_TRANSFORM_ROT_270; | 
 |             } else { | 
 |                 testPrintE("Unknown transform of \"%s\" in: %s", str.c_str(), | 
 |                            rectStr.c_str()); | 
 |                 exit(24); | 
 |             } | 
 |         } else if (attrName == "blend:") { // Blend | 
 |             string str; | 
 |  | 
 |             in >> str; | 
 |             if (str == string("none")) { | 
 |                 rect.blend = HWC_BLENDING_NONE; | 
 |             } else if (str == "premult") { | 
 |                 rect.blend = HWC_BLENDING_PREMULT; | 
 |             } else if (str == "coverage") { | 
 |                 rect.blend = HWC_BLENDING_COVERAGE; | 
 |             } else { | 
 |                 testPrintE("Unknown blend of \"%s\" in: %s", str.c_str(), | 
 |                            rectStr.c_str()); | 
 |                 exit(25); | 
 |             } | 
 |         } else if (attrName == "color:") { // Color | 
 |             rect.color = hwcTestParseColor(in, error); | 
 |             if (error) { | 
 |                 testPrintE("Error parsing color in: %s", rectStr.c_str()); | 
 |                 exit(26); | 
 |             } | 
 |         } else if (attrName == "alpha:") { // Alpha | 
 |             in >> rect.alpha; | 
 |             if (!in) { | 
 |                 testPrintE("Error parsing value for alpha attribute in: %s", | 
 |                            rectStr.c_str()); | 
 |                 exit(27); | 
 |             } | 
 |         } else if (attrName == "sourceDim:") { // Source Dimension | 
 |            rect.sourceDim = hwcTestParseDim(in, error); | 
 |             if (error) { | 
 |                 testPrintE("Error parsing source dimenision in: %s", | 
 |                            rectStr.c_str()); | 
 |                 exit(28); | 
 |             } | 
 |         } else if (attrName == "sourceCrop:") { // Source Crop | 
 |             rect.sourceCrop = hwcTestParseHwcRect(in, error); | 
 |             if (error) { | 
 |                 testPrintE("Error parsing source crop in: %s", | 
 |                            rectStr.c_str()); | 
 |                 exit(29); | 
 |             } | 
 |         } else { // Unknown attribute | 
 |             testPrintE("Unknown attribute of \"%s\" in: %s", attrName.c_str(), | 
 |                        rectStr.c_str()); | 
 |             exit(30); | 
 |         } | 
 |     } | 
 |  | 
 |     // Validate | 
 |     if (((uint32_t) rect.sourceCrop.left >= rect.sourceDim.width()) | 
 |         || ((uint32_t) rect.sourceCrop.right > rect.sourceDim.width()) | 
 |         || ((uint32_t) rect.sourceCrop.top >= rect.sourceDim.height()) | 
 |         || ((uint32_t) rect.sourceCrop.bottom > rect.sourceDim.height())) { | 
 |         testPrintE("Invalid source crop in: %s", rectStr.c_str()); | 
 |         exit(31); | 
 |     } | 
 |     if ((rect.displayFrame.left >= width) | 
 |         || (rect.displayFrame.right > width) | 
 |         || (rect.displayFrame.top >= height) | 
 |         || (rect.displayFrame.bottom > height)) { | 
 |         testPrintE("Invalid display frame in: %s", rectStr.c_str()); | 
 |         exit(32); | 
 |     } | 
 |     if ((rect.alpha < 0.0) || (rect.alpha > 1.0)) { | 
 |         testPrintE("Invalid alpha in: %s", rectStr.c_str()); | 
 |         exit(33); | 
 |     } | 
 |  | 
 |     // Create source texture | 
 |     rect.texture = new GraphicBuffer(rect.sourceDim.width(), | 
 |                                      rect.sourceDim.height(), | 
 |                                      rect.format, texUsage); | 
 |     if ((rv = rect.texture->initCheck()) != NO_ERROR) { | 
 |         testPrintE("source texture initCheck failed, rv: %i", rv); | 
 |         testPrintE("  %s", rectStr.c_str()); | 
 |  | 
 |     } | 
 |  | 
 |     // Fill with uniform color | 
 |     hwcTestFillColor(rect.texture.get(), rect.color, rect.alpha); | 
 |     if (verbose) { | 
 |         testPrintI("    buf: %p handle: %p format: %s width: %u height: %u " | 
 |                    "color: %s alpha: %f", | 
 |                    rect.texture.get(), rect.texture->handle, format->desc, | 
 |                    rect.sourceDim.width(), rect.sourceDim.height(), | 
 |                    string(rect.color).c_str(), rect.alpha); | 
 |     } | 
 |  | 
 |     return rect; | 
 | } | 
 |  | 
 | void init(void) | 
 | { | 
 |     // Seed pseudo random number generator | 
 |     // Needed so that the pad areas of frames are filled with a deterministic | 
 |     // pseudo random value. | 
 |     srand48(0); | 
 |  | 
 |     hwcTestInitDisplay(verbose, &dpy, &surface, &width, &height); | 
 |  | 
 |     hwcTestOpenHwc(&hwcDevice); | 
 | } | 
 |  | 
 | void printSyntax(const char *cmd) | 
 | { | 
 |     testPrintE("  %s [options] (graphicFormat displayFrame [attributes],)...", | 
 |                cmd); | 
 |     testPrintE("    options:"); | 
 |     testPrintE("      -D End of test delay"); | 
 |     testPrintE("      -v Verbose"); | 
 |     testPrintE(""); | 
 |     testPrintE("    graphic formats:"); | 
 |     for (unsigned int n1 = 0; n1 < NUMA(hwcTestGraphicFormat); n1++) { | 
 |         testPrintE("      %s", hwcTestGraphicFormat[n1].desc); | 
 |     } | 
 |     testPrintE(""); | 
 |     testPrintE("    displayFrame"); | 
 |     testPrintE("      [left, top, right, bottom]"); | 
 |     testPrintE(""); | 
 |     testPrintE("    attributes:"); | 
 |     testPrintE("      transform: none | fliph | flipv | rot90 | rot180 " | 
 |                " | rot270"); | 
 |     testPrintE("      blend: none | premult | coverage"); | 
 |     testPrintE("      color: [0.##, 0.##, 0.##]"); | 
 |     testPrintE("      alpha: 0.##"); | 
 |     testPrintE("      sourceDim: [width, height]"); | 
 |     testPrintE("      sourceCrop: [left, top, right, bottom]"); | 
 |     testPrintE(""); | 
 |     testPrintE("    Example:"); | 
 |     testPrintE("      # White YV12 rectangle, with overlapping turquoise "); | 
 |     testPrintE("      #  RGBA8888 rectangle at 30%% (alpha: 0.7) transparency"); | 
 |     testPrintE("      %s -v -D 30.0 \\", cmd); | 
 |     testPrintE("        YV12 [50, 80, 200, 300] transform: none \\"); | 
 |     testPrintE("          color: [1.0, 0.5, 0.5], \\"); | 
 |     testPrintE("        RGBA8888 [100, 150, 300, 400] blend: coverage \\"); | 
 |     testPrintE("          color: [0.251, 0.878, 0.816] alpha: 0.7 \\"); | 
 |     testPrintE("          sourceDim: [50, 60] sourceCrop: [5, 8, 12, 15]"); | 
 | } |