2 * Copyright (c) 2015 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 #include "utc-image-loading-common.h"
20 #include <dali/internal/imaging/common/image-operations.h>
22 using Dali::Internal::Platform::ApplyAttributesToBitmap;
24 #define ANSI_BLACK "\x1B[0m"
25 #define ANSI_RED "\x1B[31m"
26 #define ANSI_GREEN "\x1B[32m"
27 #define ANSI_YELLOW "\x1B[33m"
28 #define ANSI_BLUE "\x1B[34m"
29 #define ANSI_MAGENTA "\x1B[35m"
30 #define ANSI_CYAN "\x1B[36m"
31 #define ANSI_WHITE "\x1B[37m"
32 #define ANSI_RESET "\033[0m"
34 const unsigned char BORDER_FILL_VALUE = 0xff;
35 const char* ASCII_FILL_VALUE = ANSI_YELLOW "#";
36 const char* ASCII_PAD_VALUE = ANSI_BLUE "#";
37 typedef unsigned char PixelBuffer;
40 void FillBitmap( Dali::Devel::PixelBuffer bitmap )
42 // Fill the given bitmap fully.
43 const Pixel::Format pixelFormat = bitmap.GetPixelFormat();
44 const unsigned int bytesPerPixel = Pixel::GetBytesPerPixel( pixelFormat );
45 PixelBuffer * const targetPixels = bitmap.GetBuffer();
46 const int bytesToFill = bitmap.GetWidth() * bitmap.GetHeight() * bytesPerPixel;
48 memset( targetPixels, BORDER_FILL_VALUE, bytesToFill );
51 typedef Rect< int > ActiveArea;
53 // This struct defines all information for one test.
54 struct ImageFittingTestParameters
56 unsigned int sourceWidth;
57 unsigned int sourceHeight;
58 unsigned int desiredWidth;
59 unsigned int desiredHeight;
60 FittingMode::Type fittingMode;
62 unsigned int expectedWidth;
63 unsigned int expectedHeight;
64 ActiveArea expectedActiveImageArea;
66 ImageFittingTestParameters( unsigned int newSourceWidth, unsigned int newSourceHeight, unsigned int newDesiredWidth, unsigned int newDesiredHeight, FittingMode::Type newFittingMode,
67 unsigned int newExpectedWidth, unsigned int newExpectedHeight, ActiveArea newExpectedActiveImageArea )
68 : sourceWidth( newSourceWidth ),
69 sourceHeight( newSourceHeight ),
70 desiredWidth( newDesiredWidth ),
71 desiredHeight( newDesiredHeight ),
72 fittingMode( newFittingMode ),
73 expectedWidth( newExpectedWidth ),
74 expectedHeight( newExpectedHeight ),
75 expectedActiveImageArea( newExpectedActiveImageArea )
80 typedef std::vector< ImageFittingTestParameters > TestContainer;
83 void PerformFittingTests( TestContainer& tests )
85 // Iterate through all pre-defined tests.
86 for( unsigned int testNumber = 0; testNumber < tests.size(); ++testNumber )
88 // Gather info for this test.
89 ImageFittingTestParameters &test = tests[ testNumber ];
91 unsigned int sourceWidth = test.sourceWidth;
92 unsigned int sourceHeight = test.sourceHeight;
93 unsigned int desiredWidth = test.desiredWidth;
94 unsigned int desiredHeight = test.desiredHeight;
95 FittingMode::Type fittingMode = test.fittingMode;
97 // Create a source bitmap.
98 ImageDimensions desiredDimensions( desiredWidth, desiredHeight );
99 SamplingMode::Type samplingMode = SamplingMode::BOX_THEN_LINEAR;
102 auto sourceBitmap = Dali::Devel::PixelBuffer::New( sourceWidth, sourceHeight, Pixel::Format::RGBA8888 );
103 const Pixel::Format pixelFormat = sourceBitmap.GetPixelFormat();
104 // Completely fill the source bitmap (with white).
105 FillBitmap( sourceBitmap );
107 // Perform fitting operations (this is the method we are testing).
108 auto newBitmap = ApplyAttributesToBitmap( sourceBitmap, desiredDimensions, fittingMode, samplingMode );
110 DALI_TEST_CHECK( newBitmap );
112 // As we do not need performance within this test, we branch to exit here (for readability, maintainability).
118 auto bitmap( newBitmap );
120 unsigned int resultWidth = bitmap.GetWidth();
121 unsigned int resultHeight = bitmap.GetHeight();
123 // Check the dimensions of the modified image match against the expected values defined in the test.
124 DALI_TEST_EQUALS( resultWidth, test.expectedWidth, TEST_LOCATION );
125 DALI_TEST_EQUALS( resultHeight, test.expectedHeight, TEST_LOCATION );
127 PixelBuffer* resultBuffer = bitmap.GetBuffer();
128 const unsigned int bytesPerPixel = Pixel::GetBytesPerPixel( pixelFormat );
130 // We generate an ASCII representation of the source, desired and result images to log, purely as a debugging aid.
131 // (0 = border, 1 = active image area - from the source image).
132 std::string xSourceImageString( sourceWidth, '#' );
133 std::string xDesiredSizeString( desiredWidth - 2, '-' );
134 std::string xDesiredSizePadString( desiredWidth - 2, ' ' );
135 tet_printf( "%sRunning test: %d%s\n", ANSI_RED, testNumber + 1, ANSI_RESET );
136 tet_printf( "Source image: %s%s%s\n", ANSI_YELLOW, xSourceImageString.c_str(), ANSI_RESET );
137 for( unsigned int i = 0; i < sourceHeight - 1; ++i )
139 tet_printf( " %s%s%s\n", ANSI_YELLOW, xSourceImageString.c_str(), ANSI_RESET );
141 tet_printf( "Desired size: %s+%s+%s\n", ANSI_YELLOW, xDesiredSizeString.c_str(), ANSI_RESET );
142 for( unsigned int i = 0; i < desiredHeight - 2; ++i )
144 tet_printf( " %s|%s|%s\n", ANSI_YELLOW, xDesiredSizePadString.c_str(), ANSI_RESET );
146 tet_printf( " %s+%s+%s\n", ANSI_YELLOW, xDesiredSizeString.c_str(), ANSI_RESET );
148 // We want to calculate the active image area (the area filled with image data as opposed to borders).
149 // This is so we can determine if the fitting modes worked correctly.
150 ActiveArea resultActiveArea( -1, -1, -1, -1 );
152 // Iterate over the result image data to find the active area.
153 for( unsigned int y = 0; y < resultHeight; ++y )
155 int activeStartX = -1;
157 std::string xResultImageString;
159 for( unsigned int x = 0; x < resultWidth; ++x )
161 bool pixelPopulated = resultBuffer[ x * bytesPerPixel ] != 0x00;
163 // If the pixel is filled AND we haven't found a filled pixel yet,
164 // this is the horizontal start of the active pixel area (for this line).
165 if( pixelPopulated && ( activeStartX == -1 ) )
169 else if( !pixelPopulated && ( activeStartX != -1 ) && ( activeEndX == -1 ) )
171 // If the pixel is NOT filled AND we HAVE rpeviously found a filled pixel,
172 // then this is the horizontal end of the active pixel area (for this line).
176 // Populate a string with the filled state of the result pixels, to facilitate debugging.
177 xResultImageString += pixelPopulated ? ASCII_FILL_VALUE : ASCII_PAD_VALUE;
180 // First calculate the X-end span value, if we ran out of image before reaching the end of active image area.
181 if( ( activeStartX != -1 ) && ( activeEndX == -1 ) )
183 activeEndX = resultWidth - activeStartX;
186 // If the X-start pixel on this line is earlier than other lines, the overall active area starts earlier.
187 // Note: This is ignored if there was no pixels found.
188 if( ( activeStartX != -1 ) && ( ( activeStartX < resultActiveArea.x ) || ( resultActiveArea.x == -1 ) ) )
190 resultActiveArea.x = activeStartX;
193 // If the X-end pixel on this line is later than other lines, the overall active area starts later.
194 // Note: This is ignored if there was no pixels found.
195 if( ( activeEndX != -1 ) && ( ( activeEndX > resultActiveArea.width ) || ( resultActiveArea.width == -1 ) ) )
197 resultActiveArea.width = activeEndX;
200 // If there was an X-start pixel on this line AND we don't yet have a Y-start, this line IS the Y-start.
201 if( ( activeStartX != -1 ) && ( resultActiveArea.y == -1 ) )
203 resultActiveArea.y = y;
206 // If there was no X-start pixel on this line AND we already have a Y-start value,
207 // then the last Y becomes the new Y-end value.
208 if( ( activeStartX == -1 ) && ( resultActiveArea.y != -1 ) && ( resultActiveArea.height == -1 ) )
210 resultActiveArea.height = y - 1;
215 tet_printf( "Result image: %s\n", xResultImageString.c_str() );
219 tet_printf( " %s\n", xResultImageString.c_str() );
222 resultBuffer += resultWidth * bytesPerPixel;
225 // Calculate the Y-end value, if we ran out of image before reaching the end of active image area.
226 if( ( resultActiveArea.y != -1 ) && ( resultActiveArea.height == -1 ) )
228 resultActiveArea.height = resultHeight - resultActiveArea.y;
231 tet_printf( "%s", ANSI_RESET );
232 tet_printf( "Test: %d Result image dimensions: %d,%d ActiveArea: %d,%d,%d,%d\n",
233 testNumber + 1, resultWidth, resultHeight, resultActiveArea.x, resultActiveArea.y, resultActiveArea.width, resultActiveArea.height );
235 // Test the result images active area matches the expected active area defined in the test.
236 DALI_TEST_EQUALS( resultActiveArea, test.expectedActiveImageArea, TEST_LOCATION );
242 // Positive test case for fitting mode: FIT_WIDTH.
243 int UtcDaliFittingModesFitWidth(void)
245 tet_printf("Running fitting mode test for: FIT_WIDTH\n");
249 // Here we can define the input and expected output of each test on a single line.
250 // Source Width, Source Height, Desired Width, Desired Height, Fitting Mode, Expected Width, Expected Height, ActiveArea: X-start, Y-start, width, height
252 // Test Image source size = desired size. Output should be the same.
253 tests.push_back( ImageFittingTestParameters( 4, 4, 4, 4, FittingMode::FIT_WIDTH, 4, 4, ActiveArea( 0, 0, 4, 4 ) ) );
254 // Test Image source size > desired size, but aspect same. Should scale size down.
255 tests.push_back( ImageFittingTestParameters( 4, 4, 2, 2, FittingMode::FIT_WIDTH, 2, 2, ActiveArea( 0, 0, 2, 2 ) ) );
256 // Test Image source size < desired size, but aspect same. Should not scale size up.
257 tests.push_back( ImageFittingTestParameters( 2, 2, 4, 4, FittingMode::FIT_WIDTH, 2, 2, ActiveArea( 0, 0, 2, 2 ) ) );
258 // Test Image source size < desired size, but aspect different. Should crop height, so no borders. No scale up as result has same aspect after crop.
259 tests.push_back( ImageFittingTestParameters( 2, 4, 8, 8, FittingMode::FIT_WIDTH, 2, 2, ActiveArea( 0, 0, 2, 2 ) ) );
260 // Test Image source size > desired size, but aspect different (w < h). Should crop height, so no borders. No scale as result is same size as desired size.
261 tests.push_back( ImageFittingTestParameters( 4, 8, 4, 4, FittingMode::FIT_WIDTH, 4, 4, ActiveArea( 0, 0, 4, 4 ) ) );
262 // Test Image source size > desired size, but aspect different (w > h). Should add borders, AND scale down to desired size.
263 tests.push_back( ImageFittingTestParameters( 8, 4, 4, 4, FittingMode::FIT_WIDTH, 4, 4, ActiveArea( 0, 1, 4, 2 ) ) );
265 PerformFittingTests( tests );
270 // Positive test case for fitting mode: FIT_HEIGHT.
271 int UtcDaliFittingModesFitHeight(void)
273 tet_printf("Running fitting mode test for: FIT_HEIGHT\n");
277 // Here we can define the input and expected output of each test on a single line.
278 // Source Width, Source Height, Desired Width, Desired Height, Fitting Mode, Expected Width, Expected Height, ActiveArea: X-start, Y-start, width, height
280 // Test Image source size = desired size. Output should be the same.
281 tests.push_back( ImageFittingTestParameters( 4, 4, 4, 4, FittingMode::FIT_HEIGHT, 4, 4, ActiveArea( 0, 0, 4, 4 ) ) );
282 // Test Image source size > desired size, but aspect same. Should scale size down.
283 tests.push_back( ImageFittingTestParameters( 4, 4, 2, 2, FittingMode::FIT_HEIGHT, 2, 2, ActiveArea( 0, 0, 2, 2 ) ) );
284 // Test Image source size < desired size, but aspect same. Should not scale size up.
285 tests.push_back( ImageFittingTestParameters( 2, 2, 4, 4, FittingMode::FIT_HEIGHT, 2, 2, ActiveArea( 0, 0, 2, 2 ) ) );
286 // Test Image source size < desired size, but aspect different. Should add borders, but not scale overall size up.
287 tests.push_back( ImageFittingTestParameters( 2, 4, 8, 8, FittingMode::FIT_HEIGHT, 4, 4, ActiveArea( 1, 0, 4, 4 ) ) );
288 // Test Image source size > desired size, but aspect different (w < h). Should add borders, AND scale down to desired size.
289 tests.push_back( ImageFittingTestParameters( 4, 8, 4, 4, FittingMode::FIT_HEIGHT, 4, 4, ActiveArea( 1, 0, 4, 4 ) ) );
290 // Test Image source size > desired size, but aspect different (w > h). Should crop width, so no borders. No scale as result is same size as desired size.
291 tests.push_back( ImageFittingTestParameters( 8, 4, 4, 4, FittingMode::FIT_HEIGHT, 4, 4, ActiveArea( 0, 0, 4, 4 ) ) );
293 PerformFittingTests( tests );
298 // Positive test case for fitting mode: SHRINK_TO_FIT.
299 int UtcDaliFittingModesShrinkToFit(void)
301 tet_printf("Running fitting mode test for: SHRINK_TO_FIT\n");
305 // Here we can define the input and expected output of each test on a single line.
306 // Source Width, Source Height, Desired Width, Desired Height, Fitting Mode, Expected Width, Expected Height, ActiveArea: X-start, Y-start, width, height
308 // Test Image source size = desired size. Output should be the same.
309 tests.push_back( ImageFittingTestParameters( 4, 4, 4, 4, FittingMode::SHRINK_TO_FIT, 4, 4, ActiveArea( 0, 0, 4, 4 ) ) );
310 // Test Image source size > desired size, but aspect same. Should scale size down.
311 tests.push_back( ImageFittingTestParameters( 4, 4, 2, 2, FittingMode::SHRINK_TO_FIT, 2, 2, ActiveArea( 0, 0, 2, 2 ) ) );
312 // Test Image source size < desired size, but aspect same. Should not scale size up.
313 tests.push_back( ImageFittingTestParameters( 2, 2, 4, 4, FittingMode::SHRINK_TO_FIT, 2, 2, ActiveArea( 0, 0, 2, 2 ) ) );
314 // Test Image source size < desired size, but aspect different. Should add borders, but not scale overall size up, as although image is smaller than desired size, aspect is the same.
315 tests.push_back( ImageFittingTestParameters( 2, 4, 8, 8, FittingMode::SHRINK_TO_FIT, 4, 4, ActiveArea( 1, 0, 4, 4 ) ) );
316 // Test Image source size > desired size, but aspect different (w < h). Should add borders, AND scale down to desired size.
317 tests.push_back( ImageFittingTestParameters( 4, 8, 4, 4, FittingMode::SHRINK_TO_FIT, 4, 4, ActiveArea( 1, 0, 4, 4 ) ) );
318 // Test Image source size > desired size, but aspect different (w > h). Should add borders, AND scale down to desired size.
319 tests.push_back( ImageFittingTestParameters( 8, 4, 4, 4, FittingMode::SHRINK_TO_FIT, 4, 4, ActiveArea( 0, 1, 4, 2 ) ) );
321 PerformFittingTests( tests );
326 // Positive test case for fitting mode: SCALE_TO_FILL.
327 int UtcDaliFittingModesScaleToFill(void)
329 tet_printf("Running fitting mode test for: SCALE_TO_FILL\n");
333 // Here we can define the input and expected output of each test on a single line.
334 // Source Width, Source Height, Desired Width, Desired Height, Fitting Mode, Expected Width, Expected Height, ActiveArea: X-start, Y-start, width, height
336 // Test Image source size = desired size. Output should be the same.
337 tests.push_back( ImageFittingTestParameters( 4, 4, 4, 4, FittingMode::SCALE_TO_FILL, 4, 4, ActiveArea( 0, 0, 4, 4 ) ) );
338 // Test Image source size > desired size, but aspect same. Should scale size down.
339 tests.push_back( ImageFittingTestParameters( 4, 4, 2, 2, FittingMode::SCALE_TO_FILL, 2, 2, ActiveArea( 0, 0, 2, 2 ) ) );
340 // Test Image source size < desired size, but aspect same. Should not scale size up.
341 tests.push_back( ImageFittingTestParameters( 2, 2, 4, 4, FittingMode::SCALE_TO_FILL, 2, 2, ActiveArea( 0, 0, 2, 2 ) ) );
342 // Test Image source size < desired size, but aspect different. Should crop height, so no borders. No scale up as result has same aspect after crop.
343 tests.push_back( ImageFittingTestParameters( 2, 4, 8, 8, FittingMode::SCALE_TO_FILL, 2, 2, ActiveArea( 0, 0, 2, 2 ) ) );
344 // Test Image source size > desired size, but aspect different (w < h). Should crop height, so no borders. No scale as result is same size as desired size.
345 tests.push_back( ImageFittingTestParameters( 4, 8, 4, 4, FittingMode::SCALE_TO_FILL, 4, 4, ActiveArea( 0, 0, 4, 4 ) ) );
346 // Test Image source size > desired size, but aspect different (w > h). Should crop width, so no borders. No scale as result is same size as desired size.
347 tests.push_back( ImageFittingTestParameters( 8, 4, 4, 4, FittingMode::SCALE_TO_FILL, 4, 4, ActiveArea( 0, 0, 4, 4 ) ) );
349 PerformFittingTests( tests );