From c70edff0842bc6f7238e17a5fe92dddceec283d3 Mon Sep 17 00:00:00 2001 From: Carl Worth Date: Fri, 14 Jul 2006 12:45:48 -0700 Subject: [PATCH] Add font-matrix-translation test case. --- test/.gitignore | 1 + test/Makefile.am | 1 + test/font-matrix-translation-ref.png | Bin 0 -> 1006 bytes test/font-matrix-translation.c | 113 +++++++++++++++++++++++++++ 4 files changed, 115 insertions(+) create mode 100644 test/font-matrix-translation-ref.png create mode 100644 test/font-matrix-translation.c diff --git a/test/.gitignore b/test/.gitignore index 1b6b64e17..0f5612149 100644 --- a/test/.gitignore +++ b/test/.gitignore @@ -46,6 +46,7 @@ ft-font-create-for-ft-face ft-text-vertical-layout ft-text-antialias-none font-face-get-type +font-matrix-translation get-and-set get-group-target glyph-cache-pressure diff --git a/test/Makefile.am b/test/Makefile.am index 97ac10d16..5086ffed3 100644 --- a/test/Makefile.am +++ b/test/Makefile.am @@ -31,6 +31,7 @@ fill-and-stroke-alpha-add \ fill-rule \ filter-nearest-offset \ font-face-get-type \ +font-matrix-translation \ glyph-cache-pressure \ get-and-set \ get-group-target \ diff --git a/test/font-matrix-translation-ref.png b/test/font-matrix-translation-ref.png new file mode 100644 index 0000000000000000000000000000000000000000..a7aeb59874de5abe9d623c3b5fc7683d1c17c75a GIT binary patch literal 1006 zcmV8%A40B>(^ekV!;AR9J=WmcL6|Ul_(e`BF5M)J&pL zF=mJkad3)U9Q+F$>=eNox(CdXf=(7Xh=Yp_-R|w;A~*_yAXqyXT${nk9}q+xLP=Ce zs!xZ+G~Oh5Q^jWZK5!xD+>_@#=Q(fQJT6J11@Yg%7SISSE9_PEz~yqi$fi!Jr^Yc! zSeC`b#RZa{{MfmgQD4FRu&=LA2L}gw4%oSDTQ)?EFw3&!@pv>nJ*~O9IqmK3Ns@}i zqE=T|H8nM*nVA{w?(RyGj*gC$NF;Q1btOr;w752*R;OOWmZnqo5 zFbD>N3=9ka5RFF3=kp{I2`(=$i9{l7Y;0f{2ANETSS*HVnk+3Xv9-0u!omXW?d^5B zp6x0R4-eJR(NS?ll9rd3H9I>iNy_DN3I>CU$K&ei>eBJ?ab?}#US*AA^^i`dxxKw5 z91d5CIG@iG3WWghcs#7EtS~t_Nivzl@Ao@*rWwcj`}-f9a(jDQgM)(&Pgf`uG&VM- ziHQk~jEv~|`nvMY&gImxx(&9ovy-#4v&wjUe4Lw`8`jp=Ds#nRk<-&t0OsfC@p`@N z?CdZ+JWM-2LAZ}r(J18ekVwGgB}5{yu~Ax=$v`XyrU^?+u(bsX3(($PpX=GK^6*gV z=#Z*nnwFQPa!gY$Ck2C2JT7&0NmViJ(W`XqSUsfEaC-~k@Sh^i=b;?a@OVnsH8}~% zBs3G#ni6Jj8*ko#&j&w#)L&mL!lzF#F#%t`!29>``gMISJDO^+ot;n}t;WaU<_4-_ z8pR@%V;b}G;Pt}J4h#>M3cV3m4VtMj%aVF}r0#C19MhCaNkcZ!77}bK%r2oqrZr0HG4R&v6qf%j)eV-nAWoC cqGg5s2G$xfx`HAYd;kCd07*qoM6N<$f}LC8wEzGB literal 0 HcmV?d00001 diff --git a/test/font-matrix-translation.c b/test/font-matrix-translation.c new file mode 100644 index 000000000..dbdeb8731 --- /dev/null +++ b/test/font-matrix-translation.c @@ -0,0 +1,113 @@ +/* + * Copyright © 2006 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth + */ + +#include "cairo-test.h" + +#define TEXT_SIZE 12 +#define PAD 4 +#define TEXT "text" + +static cairo_test_draw_function_t draw; + +cairo_test_t test = { + "font-matrix-translation", + "Test that translation in a font matrix can be used to offset a string", + 38, 34, + draw +}; + +static void +box_text (cairo_t *cr, const char *utf8, double x, double y) +{ + double line_width; + cairo_text_extents_t extents; + + cairo_save (cr); + + cairo_text_extents (cr, utf8, &extents); + line_width = cairo_get_line_width (cr); + cairo_rectangle (cr, + x + extents.x_bearing - line_width / 2, + y + extents.y_bearing - line_width / 2, + extents.width + line_width, + extents.height + line_width); + cairo_stroke (cr); + + cairo_move_to (cr, x, y); + cairo_show_text (cr, utf8); + + cairo_restore (cr); +} + +static cairo_test_status_t +draw (cairo_t *cr, int width, int height) +{ + cairo_font_options_t *font_options; + cairo_text_extents_t extents; + cairo_matrix_t matrix; + + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */ + cairo_paint (cr); + + cairo_select_font_face (cr, "Bitstream Vera Sans", + CAIRO_FONT_SLANT_NORMAL, + CAIRO_FONT_WEIGHT_NORMAL); + cairo_set_font_size (cr, TEXT_SIZE); + + font_options = cairo_font_options_create (); + + cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_NONE); + cairo_font_options_set_antialias (font_options, CAIRO_ANTIALIAS_GRAY); + + cairo_set_font_options (cr, font_options); + cairo_font_options_destroy (font_options); + + cairo_translate (cr, PAD, PAD); + cairo_set_line_width (cr, 1.0); + + cairo_text_extents (cr, TEXT, &extents); + + /* Draw text and bounding box */ + cairo_set_source_rgb (cr, 0, 0, 0); /* black */ + box_text (cr, TEXT, 0, - extents.y_bearing); + + /* Then draw again with the same coordinates, but with a font + * matrix to position the text below and shifted a bit to the + * right. */ + cairo_matrix_init_translate (&matrix, TEXT_SIZE / 2, TEXT_SIZE + PAD); + cairo_matrix_scale (&matrix, TEXT_SIZE, TEXT_SIZE); + cairo_set_font_matrix (cr, &matrix); + + cairo_set_source_rgb (cr, 0, 0, 1); /* blue */ + box_text (cr, TEXT, 0, - extents.y_bearing); + + return CAIRO_TEST_SUCCESS; +} + +int +main (void) +{ + return cairo_test (&test); +}