diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/freetype/main_3.c | 184 | ||||
| -rw-r--r-- | tests/freetype/ref_3.txt | 33 | ||||
| -rwxr-xr-x | tests/runner.py | 14 |
3 files changed, 230 insertions, 1 deletions
diff --git a/tests/freetype/main_3.c b/tests/freetype/main_3.c new file mode 100644 index 00000000..c3941a17 --- /dev/null +++ b/tests/freetype/main_3.c @@ -0,0 +1,184 @@ +/* example1.c */ +/* */ +/* This small program shows how to print a rotated string with the */ +/* FreeType 2 library. */ + + +#include <stdio.h> +#include <string.h> +#include <math.h> +#include <stdlib.h> + +#include <ft2build.h> +#include FT_FREETYPE_H + + +int WIDTH = 0; +int HEIGHT = 0; + +/* origin is the upper left corner */ +unsigned char *image; + +unsigned char pixelData[32 * 32]; + +/* Replace this function with something useful. */ +void +draw_bitmap( FT_Bitmap* bitmap, + FT_Int x, + FT_Int y) +{ + FT_Int i, j, p, q; + FT_Int x_max = x + bitmap->width; + FT_Int y_max = y + bitmap->rows; + int xbyte; + int xbit; + unsigned char* pcur; + + unsigned char* src = bitmap->buffer; + unsigned char* dest = pixelData; + + // Note: FT_RENDER_MONO_MODE render characater's one pixel by a single bit, + // translate the single bit to a single char for displaying image. + for(int _y = 0; _y < bitmap->rows; ++_y) + { + for(int _x = 0; _x < bitmap->width; ++_x) + { + xbyte = _x / 8; + xbit = _x - xbyte * 8; + pcur = dest + _x; + + // test if the pixel bit be set + if(src[xbyte] & (0x80 >> xbit)) + { + *pcur = 0xFF; + } + else + { + *pcur = 0; + } + } + src += bitmap->pitch; + dest += bitmap->width; + } + + // display the character to ref txt file + for ( i = x, p = 0; i < x_max; i++, p++ ) + { + for ( j = y, q = 0; j < y_max; j++, q++ ) + { + if ( i < 0 || j < 0 || + i >= WIDTH || j >= HEIGHT ) + continue; + + image[j*WIDTH + i] |= pixelData[q * bitmap->width + p]; + } + } +} + + +void +show_image( void ) +{ + int i, j; + int count = 0; + + for ( i = 0; i < HEIGHT; i++ ) + { + for ( j = 0; j < WIDTH; j++ ) { + if (image[i*WIDTH + j]) count++; + putchar( image[i*WIDTH + j] == 0 ? ' ' + : image[i*WIDTH + j] < 128 ? '+' + : '*'); + } + putchar('\n'); + } + printf("Non-0s: %d\n", count); +} + + +int +main( int argc, + char** argv ) +{ + FT_Library library; + FT_Face face; + + FT_GlyphSlot slot; + FT_Error error; + FT_Vector pen; /* untransformed origin */ + + char* filename; + char* text; + + double angle; + int target_height; + int n, num_chars; + FT_UInt glyphIndex; + + if ( argc != 6 ) + { + fprintf ( stderr, "usage: %s font sample-text width height angle\n", argv[0] ); + exit( 1 ); + } + + filename = argv[1]; /* first argument */ + text = argv[2]; /* second argument */ + num_chars = strlen( text ); + WIDTH = atoi(argv[3]); + HEIGHT = atoi(argv[4]); + angle = ( ((float)atoi(argv[5])) / 360 ) * 3.14159 * 2; /* use 25 degrees */ + target_height = HEIGHT; + + image = (unsigned char*)malloc(WIDTH*HEIGHT); + for (int x = 0; x < WIDTH; x++) + for (int y = 0; y < HEIGHT; y++) + image[y*WIDTH + x] = 0; + + error = FT_Init_FreeType( &library ); /* initialize library */ + if (error) printf("Init Error! %d\n", error); + + error = FT_New_Face( library, argv[1], 0, &face ); /* create face object */ + if (error) printf("New_Face Error! %d\n", error); + + /* use 50pt at 100dpi */ + error = FT_Set_Char_Size( face, 32 * 64, 0, + 0, 0 ); /* set character size */ + if (error) printf("Set_Char_Size Error! %d\n", error); + + slot = face->glyph; + pen.x = 0; + pen.y = 0; + for ( n = 0; n < num_chars; n++ ) + { + /* set transformation */ + FT_Set_Transform( face, 0, &pen ); + + /* load glyph image into the slot (erase previous one) */ + glyphIndex = FT_Get_Char_Index(face, text[n]); + + /* load glyph image into the slot (erase previous one) */ + error = FT_Load_Glyph(face, glyphIndex, FT_LOAD_DEFAULT); + if(error) printf("FT_Load_Glyph Error! %d\n", error); + + error = FT_Render_Glyph(slot, FT_RENDER_MODE_MONO); + if(error) printf("FT_Render_Glyph Error! %d\n", error); + + /* now, draw to our target surface (convert position) */ + draw_bitmap(&slot->bitmap, + slot->bitmap_left, + target_height - slot->bitmap_top ); + + /* increment pen position */ + pen.x += slot->advance.x; + pen.y += slot->advance.y; + } + + show_image(); + + FT_Done_Face ( face ); + FT_Done_FreeType( library ); + + return 0; +} + +/* EOF */ diff --git a/tests/freetype/ref_3.txt b/tests/freetype/ref_3.txt new file mode 100644 index 00000000..2b121eb7 --- /dev/null +++ b/tests/freetype/ref_3.txt @@ -0,0 +1,33 @@ + + + + + + + + + + +***** ***** **** +***** ****** ***** +***** ******* ***** +***** ******* **** + ***** ******* **** + ***** *** **** ***** + ***** **** **** **** + **** **** **** **** + ***** **** **** **** + ***** **** ***** **** + ***** **** **** **** + **** **** **** **** + **** **** **** **** + ***** *** **** **** + **** **** **** **** + **** **** **** **** + **** **** **** *** + ******* ******** + ******* ******* + ******* ******* + ******* ****** + ***** ***** +Non-0s: 342 diff --git a/tests/runner.py b/tests/runner.py index 5d9473f7..7028dd33 100755 --- a/tests/runner.py +++ b/tests/runner.py @@ -4724,6 +4724,10 @@ def process(filename): ) open(filename, 'w').write(src) ''' + + # Not needed for js, but useful for debugging + shutil.copyfile(path_from_root('tests', 'freetype', 'LiberationSansBold.ttf'), os.path.join(self.get_dir(), 'font.ttf')) + # Main self.do_run(open(path_from_root('tests', 'freetype', 'main.c'), 'r').read(), open(path_from_root('tests', 'freetype', 'ref.txt'), 'r').read(), @@ -4733,7 +4737,7 @@ def process(filename): post_build=post) #build_ll_hook=self.do_autodebug) - # Second testcase, github issue 324 + # github issue 324 print '[issue 324]' self.do_run(open(path_from_root('tests', 'freetype', 'main_2.c'), 'r').read(), open(path_from_root('tests', 'freetype', 'ref_2.txt'), 'r').read(), @@ -4742,6 +4746,14 @@ def process(filename): includes=[path_from_root('tests', 'freetype', 'include')], post_build=post) + print '[issue 324 case 2]' + self.do_run(open(path_from_root('tests', 'freetype', 'main_3.c'), 'r').read(), + open(path_from_root('tests', 'freetype', 'ref_3.txt'), 'r').read(), + ['font.ttf', 'W', '32', '32', '0'], + libraries=self.get_freetype(), + includes=[path_from_root('tests', 'freetype', 'include')], + post_build=post) + def test_sqlite(self): # gcc -O3 -I/home/alon/Dev/emscripten/tests/sqlite -ldl src.c if self.emcc_args is None: return self.skip('Very slow without ta2, and we would also need to include dlmalloc manually without emcc') |