diff options
Diffstat (limited to 'tests/make_png/README')
| -rw-r--r-- | tests/make_png/README | 80 |
1 files changed, 41 insertions, 39 deletions
diff --git a/tests/make_png/README b/tests/make_png/README index eb8a2abec..0c661ce7f 100644 --- a/tests/make_png/README +++ b/tests/make_png/README @@ -2,13 +2,47 @@ NOTE: First make freetype library (in the ../../ directory) make devel make -TODO: Generate HTML page (testing going on) +TODO: Generate HTML page for detailed comparison + +/*******************************************************************/ + +To generate sprite sheets in the /images folder and to generate the +"index.html" (List-View) of the glyphs. + +By clicking on the Headers of the respective columns,they can be +arranged (in increasing/decreasing order) based on +-> Glyph-Index +-> Name +-> Difference Metric (right now it is the number of pixels that are + different between the base and the test glyph) + +It displays the whole sprite sheet right now (will be used later) +Hashes will be diplayed (To be implemented) + +First compile and install two versions of the FreeType libray +in different folders (with SUBPIXEL_RENDERING enabled in ftoption.h) + + +1) make sprite + (set resoluton in DPI by passing argument + example: make DPI=100, if not specified,default is 72) + +2) Usage ./sprite <a> <b> <font_file> <pt_size> <render_mode> + + (<a> is the libfreetype.so from the base vesion ) + (<b> is the libfreetype.so from the test vesion ) + + The path to the "shared library" in usage should be absolute. + + Sprite Sheets will be saved as sprite_$(glyph_index).png + + Render modes similar to generating PNG(s). + +NOTE: If the dimensions of the two glyphs to be compared are +different, comparison is done after aligning the glyphs. +This alignment will effect the 'Difference Metric' based on the +number of rows/columns added. -Testing Right Now: Aligning 'base' and 'test' glyphs -1. Using the bottom-left non-white pixel as reference. -2. Using the similarity between the glyphs ( maintaining a score based - on the number of non-white pixels overlapping ) - /*******************************************************************/ (DEPRECATED) To generate hashes and store it in the ./hashes folder, @@ -30,7 +64,7 @@ To generate hashes and store it in the ./hashes folder, 3 - lcd vertical /*******************************************************************/ - +(DEPRECATED) To generate 32-bit RGBA PNG(s) of all glyphs in a font\n 1) make png @@ -51,39 +85,7 @@ To generate 32-bit RGBA PNG(s) of all glyphs in a font\n 4 - lcd vertical-RGB 5 - lcd vertical-BGR -/*******************************************************************/ - -To generate sprite sheets in the /images folder and to generate the -"index.html" (List-View) of the glyphs. - -By clicking on the Headers of the respective columns,they can be -arranged (in increasing/decreasing order) based on --> Glyph-Index --> Name --> Difference Metric (right now it is the number of pixels that are - different between the base and the test glyph) - -It displays the whole sprite sheet right now (will be used later) -Hashes will be dsplayed (To be implemented) - -First compile and install two versions of the FreeType libray -in different folders (with SUBPIXEL_RENDERING enabled in ftoption.h) - - -1) make sprite - (set resoluton in DPI by passing argument - example: make DPI=100, if not specified,default is 72) - -2) Usage ./sprite <a> <b> <font_file> <pt_size> <render_mode> - - (<a> is the libfreetype.so from the base vesion ) - (<b> is the libfreetype.so from the test vesion ) - - The path to the "shared library" in usage should be absolute. - - Sprite Sheets will be saved as sprite_$(glyph_index).png - Render modes similar to generating PNG(s). |