diff options
Diffstat (limited to 'src/entry_backend/harfbuzz.c')
-rw-r--r-- | src/entry_backend/harfbuzz.c | 35 |
1 files changed, 23 insertions, 12 deletions
diff --git a/src/entry_backend/harfbuzz.c b/src/entry_backend/harfbuzz.c index d1f54e9..779cbd8 100644 --- a/src/entry_backend/harfbuzz.c +++ b/src/entry_backend/harfbuzz.c @@ -1,4 +1,3 @@ -#include <assert.h> #include <cairo/cairo.h> #include <glib.h> #include <harfbuzz/hb-ft.h> @@ -12,6 +11,12 @@ #include "../nelem.h" #include "../xmalloc.h" +/* + * Cairo / FreeType use 72 Pts per inch, but Pango uses 96 DPI, so we have to + * rescale for consistency. + */ +#define PT_TO_DPI (96.0 / 72.0) + static void setup_hb_buffer(hb_buffer_t *buffer) { hb_buffer_set_direction(buffer, HB_DIRECTION_LTR); @@ -69,17 +74,22 @@ static uint32_t render_hb_buffer(cairo_t *cr, hb_buffer_t *buffer, uint32_t scal return width; } -void entry_backend_init(struct entry *entry, uint32_t width, uint32_t height, uint32_t scale) +void entry_backend_init(struct entry *entry, uint32_t *width, uint32_t *height, uint32_t scale) { - cairo_t *cr = entry->cairo.cr; + cairo_t *cr = entry->cairo[0].cr; /* Setup FreeType. */ log_debug("Creating FreeType library.\n"); - assert(!FT_Init_FreeType(&entry->backend.ft_library)); + FT_Init_FreeType(&entry->backend.ft_library); log_debug("Loading FreeType font.\n"); - assert(!FT_New_Face(entry->backend.ft_library, "font.ttf", 0, &entry->backend.ft_face)); - assert(!FT_Set_Char_Size(entry->backend.ft_face, entry->font_size * 64, entry->font_size * 64, 0, 0)); + FT_New_Face(entry->backend.ft_library, "font.ttf", 0, &entry->backend.ft_face); + FT_Set_Char_Size( + entry->backend.ft_face, + entry->font_size * 64 * scale * PT_TO_DPI, + entry->font_size * 64 * scale * PT_TO_DPI, + 0, + 0); log_debug("Creating Cairo font.\n"); entry->backend.cairo_face = cairo_ft_font_face_create_for_ft_face(entry->backend.ft_face, 0); @@ -87,10 +97,11 @@ void entry_backend_init(struct entry *entry, uint32_t width, uint32_t height, ui struct color color = entry->foreground_color; cairo_set_source_rgba(cr, color.r, color.g, color.b, color.a); cairo_set_font_face(cr, entry->backend.cairo_face); - cairo_set_font_size(cr, entry->font_size * (96.0 / 72.0)); + cairo_set_font_size(cr, entry->font_size * PT_TO_DPI); - cairo_font_extents_t font_extents; - cairo_font_extents(cr, &font_extents); + /* We also need to set up the font for our other Cairo context. */ + cairo_set_font_face(entry->cairo[1].cr, entry->backend.cairo_face); + cairo_set_font_size(entry->cairo[1].cr, entry->font_size * PT_TO_DPI); log_debug("Creating Harfbuzz font.\n"); entry->backend.hb_font = hb_ft_font_create_referenced(entry->backend.ft_face); @@ -106,8 +117,8 @@ void entry_backend_init(struct entry *entry, uint32_t width, uint32_t height, ui /* Move and clip so we don't draw over the prompt */ uint32_t prompt_width = render_hb_buffer(cr, entry->backend.hb_buffer, scale); cairo_translate(cr, prompt_width, 0); - width -= prompt_width; - cairo_rectangle(cr, 0, 0, width, height); + *width -= prompt_width; + cairo_rectangle(cr, 0, 0, *width, *height); cairo_clip(cr); } @@ -121,7 +132,7 @@ void entry_backend_destroy(struct entry *entry) void entry_backend_update(struct entry *entry) { - cairo_t *cr = entry->cairo.cr; + cairo_t *cr = entry->cairo[entry->index].cr; hb_buffer_clear_contents(entry->backend.hb_buffer); setup_hb_buffer(entry->backend.hb_buffer); |