1 | |
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2 | pngsuite |
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3 | -------- |
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4 | (c) Willem van Schaik, 1999, 2011, 2012 |
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5 | Two images are by Glenn Randers-Pehrson, 2012 |
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6 | |
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7 | Permission to use, copy, modify, and distribute these images for any |
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8 | purpose and without fee is hereby granted. |
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9 | |
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10 | The 15 "bas*.png" images are part of the much larger PngSuite test-set of |
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11 | images, available for developers of PNG supporting software. The |
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12 | complete set, available at http:/www.schaik.com/pngsuite/, contains |
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13 | a variety of images to test interlacing, gamma settings, ancillary |
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14 | chunks, etc. |
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15 | |
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16 | The "ft*.png" images are "free/libre" replacements for the transparent |
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17 | corresponding t*.png images in the PngSuite. |
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18 | |
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19 | The images in this directory represent the basic PNG color-types: |
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20 | grayscale (1-16 bit deep), full color (8 or 16 bit), paletted |
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21 | (1-8 bit) and grayscale or color images with alpha channel. You |
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22 | can use them to test the proper functioning of PNG software. |
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23 | |
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24 | filename depth type |
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25 | ------------ ------ -------------- |
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26 | basn0g01.png 1-bit grayscale |
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27 | basn0g02.png 2-bit grayscale |
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28 | basn0g04.png 4-bit grayscale |
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29 | basn0g08.png 8-bit grayscale |
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30 | basn0g16.png 16-bit grayscale |
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31 | basn2c08.png 8-bit truecolor |
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32 | basn2c16.png 16-bit truecolor |
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33 | basn3p01.png 1-bit paletted |
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34 | basn3p02.png 2-bit paletted |
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35 | basn3p04.png 4-bit paletted |
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36 | basn3p08.png 8-bit paletted |
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37 | basn4a08.png 8-bit gray with alpha |
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38 | basn4a16.png 16-bit gray with alpha |
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39 | basn6a08.png 8-bit RGBA |
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40 | basn6a16.png 16-bit RGBA |
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41 | |
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42 | ftbbn0g01.png 1-bit grayscale, black bKGD |
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43 | ftbbn0g02.png 2-bit grayscale, black bKGD |
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44 | ftbbn0g04.png 4-bit grayscale, black bKGD |
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45 | ftbbn2c16.png 16-bit truecolor, black bKGD |
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46 | ftbbn3p08.png 8-bit paletted, black bKGD |
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47 | ftbgn2c16.png 16-bit truecolor, gray bKGD |
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48 | ftbgn3p08.png 8-bit paletted, gray bKGD |
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49 | ftbrn2c08.png 8-bit truecolor, red bKGD |
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50 | ftbwn0g16.png 16-bit gray, white bKGD |
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51 | ftbwn3p08.png 8-bit paletted, white bKGD |
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52 | ftbyn3p08.png 8-bit paletted, yellow bKGD |
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53 | ftp0n0g08.png 8-bit grayscale, opaque |
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54 | ftp0n2c08.png 8-bit truecolor, opaque |
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55 | ftp0n3p08.png 8-bit paletted, opaque |
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56 | ftp1n3p08.png 8-bit paletted, no bKGD |
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57 | |
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58 | Here is the correct result of typing "pngtest -m bas*.png" in |
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59 | this directory: |
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60 | |
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61 | Testing basn0g01.png: PASS (524 zero samples) |
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62 | Filter 0 was used 32 times |
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63 | Testing basn0g02.png: PASS (448 zero samples) |
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64 | Filter 0 was used 32 times |
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65 | Testing basn0g04.png: PASS (520 zero samples) |
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66 | Filter 0 was used 32 times |
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67 | Testing basn0g08.png: PASS (3 zero samples) |
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68 | Filter 1 was used 9 times |
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69 | Filter 4 was used 23 times |
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70 | Testing basn0g16.png: PASS (1 zero samples) |
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71 | Filter 1 was used 1 times |
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72 | Filter 2 was used 31 times |
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73 | Testing basn2c08.png: PASS (6 zero samples) |
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74 | Filter 1 was used 5 times |
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75 | Filter 4 was used 27 times |
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76 | Testing basn2c16.png: PASS (592 zero samples) |
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77 | Filter 1 was used 1 times |
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78 | Filter 4 was used 31 times |
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79 | Testing basn3p01.png: PASS (512 zero samples) |
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80 | Filter 0 was used 32 times |
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81 | Testing basn3p02.png: PASS (448 zero samples) |
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82 | Filter 0 was used 32 times |
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83 | Testing basn3p04.png: PASS (544 zero samples) |
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84 | Filter 0 was used 32 times |
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85 | Testing basn3p08.png: PASS (4 zero samples) |
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86 | Filter 0 was used 32 times |
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87 | Testing basn4a08.png: PASS (32 zero samples) |
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88 | Filter 1 was used 1 times |
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89 | Filter 4 was used 31 times |
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90 | Testing basn4a16.png: PASS (64 zero samples) |
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91 | Filter 0 was used 1 times |
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92 | Filter 1 was used 2 times |
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93 | Filter 2 was used 1 times |
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94 | Filter 4 was used 28 times |
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95 | Testing basn6a08.png: PASS (160 zero samples) |
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96 | Filter 1 was used 1 times |
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97 | Filter 4 was used 31 times |
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98 | Testing basn6a16.png: PASS (1072 zero samples) |
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99 | Filter 1 was used 4 times |
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100 | Filter 4 was used 28 times |
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101 | libpng passes test |
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102 | |
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103 | Willem van Schaik |
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104 | <willem@schaik.com> |
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105 | October 1999 |
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