diff options
Diffstat (limited to 'nx-X11/extras/freetype2/tests/gview.c')
| -rw-r--r-- | nx-X11/extras/freetype2/tests/gview.c | 1292 |
1 files changed, 0 insertions, 1292 deletions
diff --git a/nx-X11/extras/freetype2/tests/gview.c b/nx-X11/extras/freetype2/tests/gview.c deleted file mode 100644 index f68598512..000000000 --- a/nx-X11/extras/freetype2/tests/gview.c +++ /dev/null @@ -1,1292 +0,0 @@ -#include <nirvana.h> -#include NV_VIEWPORT_H -#include <stdio.h> - -#include <ft2build.h> -#include FT_FREETYPE_H - -/* include FreeType internals to debug hints */ -#include <../src/pshinter/pshrec.h> -#include <../src/pshinter/pshalgo.h> - -#include <../src/autohint/ahtypes.h> - - /************************************************************************/ - /************************************************************************/ - /***** *****/ - /***** ROOT DEFINITIONS *****/ - /***** *****/ - /************************************************************************/ - /************************************************************************/ - - -#include <time.h> /* for clock() */ - - /* SunOS 4.1.* does not define CLOCKS_PER_SEC, so include <sys/param.h> */ - /* to get the HZ macro which is the equivalent. */ -#if defined( __sun__ ) && !defined( SVR4 ) && !defined( __SVR4 ) -#include <sys/param.h> -#define CLOCKS_PER_SEC HZ -#endif - -static int first_glyph = 0; - -static NV_Renderer renderer; -static NV_Painter painter; -static NV_Pixmap target; -static NV_Error error; -static NV_Memory memory; -static NVV_Display display; -static NVV_Surface surface; - -static FT_Library freetype; -static FT_Face face; - - -static NV_Pos glyph_scale; -static NV_Pos glyph_org_x; -static NV_Pos glyph_org_y; -static NV_Transform glyph_transform; /* font units -> device pixels */ -static NV_Transform size_transform; /* subpixels -> device pixels */ - -static NV_Scale grid_scale = 1.0; - -static int glyph_index; -static int pixel_size = 12; - - - /************************************************************************/ - /************************************************************************/ - /***** *****/ - /***** OPTIONS, COLORS and OTHERS *****/ - /***** *****/ - /************************************************************************/ - /************************************************************************/ - -static int option_show_axis = 1; -static int option_show_dots = 1; -static int option_show_stroke = 0; -static int option_show_glyph = 1; -static int option_show_grid = 1; -static int option_show_em = 0; -static int option_show_smooth = 1; -static int option_show_blues = 0; -static int option_show_edges = 0; -static int option_show_segments = 1; -static int option_show_links = 1; -static int option_show_indices = 0; - -static int option_show_ps_hints = 1; -static int option_show_horz_hints = 1; -static int option_show_vert_hints = 1; - - -static int option_hinting = 1; - -static char temp_message[1024]; - -static NV_Path symbol_dot = NULL; -static NV_Path symbol_circle = NULL; -static NV_Path symbol_square = NULL; -static NV_Path symbol_rect_h = NULL; -static NV_Path symbol_rect_v = NULL; - - - -#define AXIS_COLOR 0xFFFF0000 -#define GRID_COLOR 0xFFD0D0D0 -#define ON_COLOR 0xFFFF2000 -#define OFF_COLOR 0xFFFF0080 -#define STRONG_COLOR 0xFF404040 -#define INTERP_COLOR 0xFF206040 -#define SMOOTH_COLOR 0xF000B040 -#define BACKGROUND_COLOR 0xFFFFFFFF -#define TEXT_COLOR 0xFF000000 -#define EM_COLOR 0x80008000 -#define BLUES_TOP_COLOR 0x4000008F -#define BLUES_BOT_COLOR 0x40008F00 - -#define GHOST_HINT_COLOR 0xE00000FF -#define STEM_HINT_COLOR 0xE02020FF -#define STEM_JOIN_COLOR 0xE020FF20 - -#define EDGE_COLOR 0xF0704070 -#define SEGMENT_COLOR 0xF0206040 -#define LINK_COLOR 0xF0FFFF00 -#define SERIF_LINK_COLOR 0xF0FF808F - - -/* print message and abort program */ -static void -Panic( const char* message ) -{ - fprintf( stderr, "PANIC: %s\n", message ); - exit(1); -} - - -static void -init_symbols( void ) -{ - nv_path_new_rectangle( renderer, -1, -1, 3, 3, 0, 0, &symbol_square ); - nv_path_new_rectangle( renderer, -1, -6, 2, 12, 0, 0, &symbol_rect_v ); - nv_path_new_rectangle( renderer, -6, -1, 12, 2, 0, 0, &symbol_rect_h ); - - nv_path_new_circle( renderer, 0, 0, 3., &symbol_dot ); - - nv_path_stroke( symbol_dot, 0.6, - nv_path_linecap_butt, - nv_path_linejoin_miter, 1., - &symbol_circle ); - - nv_path_destroy( symbol_dot ); - - nv_path_new_circle( renderer, 0, 0, 2., &symbol_dot ); - } - - -static void -done_symbols( void ) -{ - nv_path_destroy( symbol_circle ); - nv_path_destroy( symbol_dot ); - nv_path_destroy( symbol_rect_v ); - nv_path_destroy( symbol_rect_h ); - nv_path_destroy( symbol_square ); -} - - - /************************************************************************/ - /************************************************************************/ - /***** *****/ - /***** COMMON GRID DRAWING ROUTINES *****/ - /***** *****/ - /************************************************************************/ - /************************************************************************/ - -static void -reset_scale( NV_Scale scale ) -{ - /* compute font units -> grid pixels scale factor */ - glyph_scale = target->width*0.75 / face->units_per_EM * scale; - - /* setup font units -> grid pixels transform */ - nv_transform_set_scale( &glyph_transform, glyph_scale, -glyph_scale ); - glyph_org_x = glyph_transform.delta.x = target->width*0.125; - glyph_org_y = glyph_transform.delta.y = target->height*0.875; - - /* setup subpixels -> grid pixels transform */ - nv_transform_set_scale( - &size_transform, - glyph_scale / nv_fromfixed( face->size->metrics.x_scale ), - -glyph_scale / nv_fromfixed( face->size->metrics.y_scale ) ); - - size_transform.delta = glyph_transform.delta; -} - - -static void -reset_size( int pixel_size, - NV_Scale scale ) -{ - FT_Set_Pixel_Sizes( face, pixel_size, pixel_size ); - reset_scale( scale ); -} - - -static void -clear_background( void ) -{ - nv_pixmap_fill_rect( target, 0, 0, target->width, target->height, - BACKGROUND_COLOR ); -} - - -static void -draw_grid( void ) -{ - int x = (int)glyph_org_x; - int y = (int)glyph_org_y; - - - /* draw grid */ - if ( option_show_grid ) - { - NV_Scale min, max, x, step; - - - /* draw vertical grid bars */ - step = 64. * size_transform.matrix.xx; - if ( step > 1. ) - { - min = max = glyph_org_x; - while ( min - step >= 0 ) min -= step; - while ( max + step < target->width ) max += step; - - for ( x = min; x <= max; x += step ) - nv_pixmap_fill_rect( target, (NV_Int)(x + .5), 0, - 1, target->height, GRID_COLOR ); - } - - /* draw horizontal grid bars */ - step = -64. * size_transform.matrix.yy; - if ( step > 1. ) - { - min = max = glyph_org_y; - while ( min - step >= 0 ) min -= step; - while ( max + step < target->height ) max += step; - - for ( x = min; x <= max; x += step ) - nv_pixmap_fill_rect( target, 0, (NV_Int)(x + .5), - target->width, 1, GRID_COLOR ); - } - } - - /* draw axis */ - if ( option_show_axis ) - { - nv_pixmap_fill_rect( target, x, 0, 1, target->height, AXIS_COLOR ); - nv_pixmap_fill_rect( target, 0, y, target->width, 1, AXIS_COLOR ); - } - - if ( option_show_em ) - { - NV_Path path; - NV_Path stroke; - NV_UInt units = (NV_UInt)face->units_per_EM; - - - nv_path_new_rectangle( renderer, 0, 0, units, units, 0, 0, &path ); - nv_path_transform( path, &glyph_transform ); - - nv_path_stroke( path, 1.5, nv_path_linecap_butt, nv_path_linejoin_miter, - 4.0, &stroke ); - - nv_painter_set_color( painter, EM_COLOR, 256 ); - nv_painter_fill_path( painter, NULL, 0, stroke ); - - nv_path_destroy( stroke ); - nv_path_destroy( path ); - } - -} - - - /************************************************************************/ - /************************************************************************/ - /***** *****/ - /***** POSTSCRIPT GLOBALS ROUTINES *****/ - /***** *****/ - /************************************************************************/ - /************************************************************************/ - -#include <../src/pshinter/pshglob.h> - -static void -draw_ps_blue_zones( void ) -{ - if ( option_show_blues && ps_debug_globals ) - { - PSH_Blues blues = &ps_debug_globals->blues; - PSH_Blue_Table table; - NV_Vector v; - FT_Int y1, y2; - FT_UInt count; - PSH_Blue_Zone zone; - - - /* draw top zones */ - table = &blues->normal_top; - count = table->count; - zone = table->zones; - - for ( ; count > 0; count--, zone++ ) - { - v.x = 0; - if ( !ps_debug_no_horz_hints ) - { - v.y = zone->cur_ref + zone->cur_delta; - nv_vector_transform( &v, &size_transform ); - } - else - { - v.y = zone->org_ref + zone->org_delta; - nv_vector_transform( &v, &glyph_transform ); - } - y1 = (int)(v.y + 0.5); - - v.x = 0; - if ( !ps_debug_no_horz_hints ) - { - v.y = zone->cur_ref; - nv_vector_transform( &v, &size_transform ); - } - else - { - v.y = zone->org_ref; - nv_vector_transform( &v, &glyph_transform ); - } - y2 = (int)(v.y + 0.5); - - nv_pixmap_fill_rect( target, 0, y1, - target->width, y2-y1+1, - BLUES_TOP_COLOR ); - -#if 0 - printf( "top [%.3f %.3f]\n", zone->cur_bottom/64.0, zone->cur_top/64.0 ); -#endif - } - - - /* draw bottom zones */ - table = &blues->normal_bottom; - count = table->count; - zone = table->zones; - - for ( ; count > 0; count--, zone++ ) - { - v.x = 0; - v.y = zone->cur_ref; - nv_vector_transform( &v, &size_transform ); - y1 = (int)(v.y + 0.5); - - v.x = 0; - v.y = zone->cur_ref + zone->cur_delta; - nv_vector_transform( &v, &size_transform ); - y2 = (int)(v.y + 0.5); - - nv_pixmap_fill_rect( target, 0, y1, - target->width, y2 - y1 + 1, - BLUES_BOT_COLOR ); - -#if 0 - printf( "bot [%.3f %.3f]\n", zone->cur_bottom/64.0, zone->cur_top/64.0 ); -#endif - } - } -} - - - /************************************************************************/ - /************************************************************************/ - /***** *****/ - /***** POSTSCRIPT HINTER ALGORITHM ROUTINES *****/ - /***** *****/ - /************************************************************************/ - /************************************************************************/ - -#include <../src/pshinter/pshalgo.h> - -static void -draw_ps_hint( PSH_Hint hint, - FT_Bool vertical ) -{ - int x1, x2; - NV_Vector v; - - - if ( pshint_vertical != vertical ) - { - if ( vertical ) - pshint_cpos = 40; - else - pshint_cpos = 10; - - pshint_vertical = vertical; - } - - if ( !vertical ) - { - if ( !option_show_vert_hints ) - return; - - v.x = hint->cur_pos; - v.y = 0; - nv_vector_transform( &v, &size_transform ); - x1 = (int)(v.x + 0.5); - - v.x = hint->cur_pos + hint->cur_len; - v.y = 0; - nv_vector_transform( &v, &size_transform ); - x2 = (int)(v.x + 0.5); - - nv_pixmap_fill_rect( target, x1, 0, 1, target->height, - psh_hint_is_ghost( hint ) - ? GHOST_HINT_COLOR : STEM_HINT_COLOR ); - - if ( psh_hint_is_ghost( hint ) ) - { - x1 --; - x2 = x1 + 2; - } - else - nv_pixmap_fill_rect( target, x2, 0, 1, target->height, - psh_hint_is_ghost( hint ) - ? GHOST_HINT_COLOR : STEM_HINT_COLOR ); - - nv_pixmap_fill_rect( target, x1, pshint_cpos, x2 + 1 - x1, 1, - STEM_JOIN_COLOR ); - } - else - { - if ( !option_show_horz_hints ) - return; - - v.y = hint->cur_pos; - v.x = 0; - nv_vector_transform( &v, &size_transform ); - x1 = (int)(v.y + 0.5); - - v.y = hint->cur_pos + hint->cur_len; - v.x = 0; - nv_vector_transform( &v, &size_transform ); - x2 = (int)(v.y + 0.5); - - nv_pixmap_fill_rect( target, 0, x1, target->width, 1, - psh_hint_is_ghost( hint ) - ? GHOST_HINT_COLOR : STEM_HINT_COLOR ); - - if ( psh_hint_is_ghost( hint ) ) - { - x1 --; - x2 = x1 + 2; - } - else - nv_pixmap_fill_rect( target, 0, x2, target->width, 1, - psh_hint_is_ghost(hint) - ? GHOST_HINT_COLOR : STEM_HINT_COLOR ); - - nv_pixmap_fill_rect( target, pshint_cpos, x2, 1, x1 + 1 - x2, - STEM_JOIN_COLOR ); - } - -#if 0 - printf( "[%7.3f %7.3f] %c\n", hint->cur_pos/64.0, (hint->cur_pos+hint->cur_len)/64.0, vertical ? 'v' : 'h' ); -#endif - - pshint_cpos += 10; -} - - -static void -ps_draw_control_points( void ) -{ - if ( ps_debug_glyph ) - { - PSH_Glyph glyph = ps_debug_glyph; - PSH_Point point = glyph->points; - FT_UInt count = glyph->num_points; - NV_Transform transform, *trans = &transform; - NV_Path vert_rect; - NV_Path horz_rect; - NV_Path dot, circle; - - - for ( ; count > 0; count--, point++ ) - { - NV_Vector vec; - - - vec.x = point->cur_x; - vec.y = point->cur_y; - nv_vector_transform( &vec, &size_transform ); - - nv_transform_set_translate( trans, vec.x, vec.y ); - - if ( option_show_smooth && !psh_point_is_smooth(point) ) - { - nv_painter_set_color( painter, SMOOTH_COLOR, 256 ); - nv_painter_fill_path( painter, trans, 0, symbol_circle ); - } - - if ( option_show_horz_hints ) - { - if ( point->flags_y & PSH_POINT_STRONG ) - { - nv_painter_set_color( painter, STRONG_COLOR, 256 ); - nv_painter_fill_path( painter, trans, 0, symbol_rect_h ); - } - } - - if ( option_show_vert_hints ) - { - if ( point->flags_x & PSH_POINT_STRONG ) - { - nv_painter_set_color( painter, STRONG_COLOR, 256 ); - nv_painter_fill_path( painter, trans, 0, symbol_rect_v ); - } - } - } - } -} - - -static void -ps_print_hints( void ) -{ - if ( ps_debug_hints ) - { - FT_Int dimension; - - - for ( dimension = 1; dimension >= 0; dimension-- ) - { - PS_Dimension dim = &ps_debug_hints->dimension[ dimension ]; - PS_Mask mask = dim->masks.masks; - FT_UInt count = dim->masks.num_masks; - - - printf( "%s hints -------------------------\n", - dimension ? "vertical" : "horizontal" ); - - for ( ; count > 0; count--, mask++ ) - { - FT_UInt index; - - - printf( "mask -> %d\n", mask->end_point ); - for ( index = 0; index < mask->num_bits; index++ ) - { - if ( mask->bytes[ index >> 3 ] & (0x80 >> (index & 7)) ) - { - PS_Hint hint = dim->hints.hints + index; - - - printf( "%c [%3d %3d (%4d)]\n", dimension ? "v" : "h", - hint->pos, hint->pos + hint->len, hint->len ); - } - } - } - } - } -} - - - /************************************************************************/ - /************************************************************************/ - /***** *****/ - /***** AUTOHINTER DRAWING ROUTINES *****/ - /***** *****/ - /************************************************************************/ - /************************************************************************/ - -static NV_Path -ah_link_path( NV_Vector* p1, - NV_Vector* p4, - NV_Bool vertical ) -{ - NV_PathWriter writer; - NV_Vector p2, p3; - NV_Path path, stroke; - - - if ( vertical ) - { - p2.x = p4->x; - p2.y = p1->y; - - p3.x = p1->x; - p3.y = p4->y; - } - else - { - p2.x = p1->x; - p2.y = p4->y; - - p3.x = p4->x; - p3.y = p1->y; - } - - nv_path_writer_new( renderer, &writer ); - nv_path_writer_moveto( writer, p1 ); - nv_path_writer_cubicto( writer, &p2, &p3, p4 ); - nv_path_writer_end( writer ); - - path = nv_path_writer_get_path( writer ); - nv_path_writer_destroy( writer ); - - nv_path_stroke( path, 1., - nv_path_linecap_butt, nv_path_linejoin_round, - 1., &stroke ); - - nv_path_destroy( path ); - - return stroke; -} - - -static void -ah_draw_smooth_points( void ) -{ - if ( ah_debug_hinter && option_show_smooth ) - { - AH_Outline glyph = ah_debug_hinter->glyph; - FT_UInt count = glyph->num_points; - AH_Point point = glyph->points; - - - nv_painter_set_color( painter, SMOOTH_COLOR, 256 ); - - for ( ; count > 0; count--, point++ ) - { - if ( !( point->flags & AH_FLAG_WEAK_INTERPOLATION ) ) - { - NV_Transform transform, *trans = &transform; - NV_Vector vec; - - - vec.x = point->x - ah_debug_hinter->pp1.x; - vec.y = point->y; - nv_vector_transform( &vec, &size_transform ); - - nv_transform_set_translate( &transform, vec.x, vec.y ); - nv_painter_fill_path( painter, trans, 0, symbol_circle ); - } - } - } -} - - -static void -ah_draw_edges( void ) -{ - if ( ah_debug_hinter ) - { - AH_Outline glyph = ah_debug_hinter->glyph; - FT_UInt count; - AH_Edge edge; - FT_Pos pp1 = ah_debug_hinter->pp1.x; - - - nv_painter_set_color( painter, EDGE_COLOR, 256 ); - - if ( option_show_edges ) - { - /* draw vertical edges */ - if ( option_show_vert_hints ) - { - count = glyph->num_vedges; - edge = glyph->vert_edges; - for ( ; count > 0; count--, edge++ ) - { - NV_Vector vec; - NV_Pos x; - - - vec.x = edge->pos - pp1; - vec.y = 0; - - nv_vector_transform( &vec, &size_transform ); - x = (FT_Pos)( vec.x + 0.5 ); - - nv_pixmap_fill_rect( target, x, 0, 1, target->height, EDGE_COLOR ); - } - } - - /* draw horizontal edges */ - if ( option_show_horz_hints ) - { - count = glyph->num_hedges; - edge = glyph->horz_edges; - for ( ; count > 0; count--, edge++ ) - { - NV_Vector vec; - NV_Pos x; - - - vec.x = 0; - vec.y = edge->pos; - - nv_vector_transform( &vec, &size_transform ); - x = (FT_Pos)( vec.y + 0.5 ); - - nv_pixmap_fill_rect( target, 0, x, target->width, 1, EDGE_COLOR ); - } - } - } - - if ( option_show_segments ) - { - /* draw vertical segments */ - if ( option_show_vert_hints ) - { - AH_Segment seg = glyph->vert_segments; - FT_UInt count = glyph->num_vsegments; - - - for ( ; count > 0; count--, seg++ ) - { - AH_PointRec *first, *last; - NV_Vector v1, v2; - NV_Pos y1, y2, x; - - - first = seg->first; - last = seg->last; - - v1.x = v2.x = first->x - pp1; - - if ( first->y <= last->y ) - { - v1.y = first->y; - v2.y = last->y; - } - else - { - v1.y = last->y; - v2.y = first->y; - } - - nv_vector_transform( &v1, &size_transform ); - nv_vector_transform( &v2, &size_transform ); - - y1 = (NV_Pos)( v1.y + 0.5 ); - y2 = (NV_Pos)( v2.y + 0.5 ); - x = (NV_Pos)( v1.x + 0.5 ); - - nv_pixmap_fill_rect( target, x - 1, y2, 3, - FT_ABS( y1 - y2 ) + 1, SEGMENT_COLOR ); - } - } - - /* draw horizontal segments */ - if ( option_show_horz_hints ) - { - AH_Segment seg = glyph->horz_segments; - FT_UInt count = glyph->num_hsegments; - - - for ( ; count > 0; count--, seg++ ) - { - AH_PointRec *first, *last; - NV_Vector v1, v2; - NV_Pos y1, y2, x; - - - first = seg->first; - last = seg->last; - - v1.y = v2.y = first->y; - - if ( first->x <= last->x ) - { - v1.x = first->x - pp1; - v2.x = last->x - pp1; - } - else - { - v1.x = last->x - pp1; - v2.x = first->x - pp1; - } - - nv_vector_transform( &v1, &size_transform ); - nv_vector_transform( &v2, &size_transform ); - - y1 = (NV_Pos)( v1.x + 0.5 ); - y2 = (NV_Pos)( v2.x + 0.5 ); - x = (NV_Pos)( v1.y + 0.5 ); - - nv_pixmap_fill_rect( target, y1, x - 1, - FT_ABS( y1 - y2 ) + 1, 3, SEGMENT_COLOR ); - } - } - - if ( option_show_vert_hints && option_show_links ) - { - AH_Segment seg = glyph->vert_segments; - FT_UInt count = glyph->num_vsegments; - - - for ( ; count > 0; count--, seg++ ) - { - AH_Segment seg2 = NULL; - NV_Path link; - NV_Vector v1, v2; - - - if ( seg->link ) - { - if ( seg->link > seg ) - seg2 = seg->link; - } - else if ( seg->serif ) - seg2 = seg->serif; - - if ( seg2 ) - { - v1.x = seg->first->x - pp1; - v2.x = seg2->first->x - pp1; - v1.y = ( seg->first->y + seg->last->y ) / 2; - v2.y = ( seg2->first->y + seg2->last->y ) / 2; - - link = ah_link_path( &v1, &v2, 1 ); - - nv_painter_set_color( painter, - seg->serif ? SERIF_LINK_COLOR : LINK_COLOR, - 256 ); - nv_painter_fill_path( painter, &size_transform, 0, link ); - - nv_path_destroy( link ); - } - } - } - - if ( option_show_horz_hints && option_show_links ) - { - AH_Segment seg = glyph->horz_segments; - FT_UInt count = glyph->num_hsegments; - - - for ( ; count > 0; count--, seg++ ) - { - AH_Segment seg2 = NULL; - NV_Path link; - NV_Vector v1, v2; - - - if ( seg->link ) - { - if ( seg->link > seg ) - seg2 = seg->link; - } - else if ( seg->serif ) - seg2 = seg->serif; - - if ( seg2 ) - { - v1.y = seg->first->y; - v2.y = seg2->first->y; - v1.x = ( seg->first->x + seg->last->x ) / 2 - pp1; - v2.x = ( seg2->first->x + seg2->last->x ) / 2 - pp1; - - link = ah_link_path( &v1, &v2, 0 ); - - nv_painter_set_color( painter, - seg->serif ? SERIF_LINK_COLOR : LINK_COLOR, - 256 ); - nv_painter_fill_path( painter, &size_transform, 0, link ); - - nv_path_destroy( link ); - } - } - } - } - } -} - - - /************************************************************************/ - /************************************************************************/ - /***** *****/ - /***** MAIN LOOP(S) *****/ - /***** *****/ - /************************************************************************/ - /************************************************************************/ - -static void -draw_glyph( int glyph_index ) -{ - NV_Path path; - - - pshint_vertical = -1; - - ps_debug_hint_func = option_show_ps_hints ? draw_ps_hint : 0; - - ah_debug_hinter = NULL; - - error = FT_Load_Glyph( face, glyph_index, FT_LOAD_NO_BITMAP ); - if ( error ) - Panic( "could not load glyph" ); - - if ( face->glyph->format != FT_GLYPH_FORMAT_OUTLINE ) - Panic( "could not load glyph outline" ); - - error = nv_path_new_from_outline( renderer, - (NV_Outline*)&face->glyph->outline, - &size_transform, - &path ); - if ( error ) - Panic( "could not create glyph path" ); - - /* tracé du glyphe plein */ - if ( option_show_glyph ) - { - nv_painter_set_color( painter, 0xFF404080, 128 ); - nv_painter_fill_path( painter, 0, 0, path ); - } - - if ( option_show_stroke ) - { - NV_Path stroke; - - - error = nv_path_stroke( path, 0.6, - nv_path_linecap_butt, - nv_path_linejoin_miter, - 1.0, &stroke ); - if ( error ) - Panic( "could not stroke glyph path" ); - - nv_painter_set_color( painter, 0xFF000040, 256 ); - nv_painter_fill_path( painter, 0, 0, stroke ); - - nv_path_destroy( stroke ); - } - - /* tracé des points de controle */ - if ( option_show_dots ) - { - NV_Path plot; - NV_Outline out; - NV_Scale r = 2; - NV_Int n, first, last; - - - nv_path_get_outline( path, NULL, memory, &out ); - - first = 0; - for ( n = 0; n < out.n_contours; n++ ) - { - int m; - NV_Transform trans; - NV_Color color; - NV_SubVector* vec; - - - last = out.contours[n]; - - for ( m = first; m <= last; m++ ) - { - color = (out.tags[m] & FT_CURVE_TAG_ON) - ? ON_COLOR - : OFF_COLOR; - - vec = out.points + m; - - nv_transform_set_translate( &trans, vec->x / 64.0, vec->y / 64.0 ); - - nv_painter_set_color( painter, color, 256 ); - nv_painter_fill_path( painter, &trans, 0, symbol_dot ); - - if ( option_show_indices ) - { - char temp[5]; - - - sprintf( temp, "%d", m ); - nv_pixmap_cell_text( target, vec->x / 64 + 4, vec->y / 64 - 4, - temp, TEXT_COLOR ); - } - } - - first = last + 1; - } - } - - ah_draw_smooth_points(); - ah_draw_edges(); - - nv_path_destroy( path ); - - /* autre infos */ - { - char temp[1024]; - char temp2[64]; - - - sprintf( temp, "font name : %s (%s)", face->family_name, - face->style_name ); - nv_pixmap_cell_text( target, 0, 0, temp, TEXT_COLOR ); - - FT_Get_Glyph_Name( face, glyph_index, temp2, 63 ); - temp2[63] = 0; - - sprintf( temp, "glyph %4d: %s", glyph_index, temp2 ); - nv_pixmap_cell_text( target, 0, 8, temp, TEXT_COLOR ); - - if ( temp_message[0] ) - { - nv_pixmap_cell_text( target, 0, 16, temp_message, TEXT_COLOR ); - temp_message[0] = 0; - } - } -} - - -#define TOGGLE_OPTION(var,prefix) \ - do \ - { \ - var = !var; \ - sprintf( temp_message, prefix " is now %s", \ - var ? "on" : "off" ); \ - } \ - while() - - -#define TOGGLE_OPTION_NEG(var,prefix) \ - do \ - { \ - var = !var; \ - sprintf( temp_message, prefix " is now %s", \ - !var ? "on" : "off" ); \ - } \ - while - - -static void -handle_event( NVV_EventRec* ev ) -{ - switch ( ev->key ) - { - case NVV_Key_Left: - if ( glyph_index > 0 ) - glyph_index--; - break; - - case NVV_Key_Right: - if ( glyph_index + 1 < face->num_glyphs ) - glyph_index++; - break; - - case NVV_KEY( 'x' ): - TOGGLE_OPTION( option_show_axis, "grid axis display" ); - break; - - case NVV_KEY( 's' ): - TOGGLE_OPTION( option_show_stroke, "glyph stroke display" ); - break; - - case NVV_KEY( 'g' ): - TOGGLE_OPTION( option_show_glyph, "glyph fill display" ); - break; - - case NVV_KEY( 'd' ): - TOGGLE_OPTION( option_show_dots, "control points display" ); - break - - case NVV_KEY( 'e' ): - TOGGLE_OPTION( option_show_em, "EM square display" ); - break; - - case NVV_KEY( '+' ): - grid_scale *= 1.2; - reset_scale( grid_scale ); - break; - - case NVV_KEY( '-' ): - if ( grid_scale > 0.3 ) - { - grid_scale /= 1.2; - reset_scale( grid_scale ); - } - break; - - case NVV_Key_Up: - pixel_size++; - reset_size( pixel_size, grid_scale ); - sprintf( temp_message, "pixel size = %d", pixel_size ); - break; - - case NVV_Key_Down: - if ( pixel_size > 1 ) - { - pixel_size--; - reset_size( pixel_size, grid_scale ); - sprintf( temp_message, "pixel size = %d", pixel_size ); - } - break; - - case NVV_KEY( 'z' ): - TOGGLE_OPTION_NEG( ps_debug_no_vert_hints, "vertical hints processing" ); - break; - - case NVV_KEY( 'a' ): - TOGGLE_OPTION_NEG( ps_debug_no_horz_hints, "horizontal hints processing" ); - break; - - case NVV_KEY( 'Z' ): - TOGGLE_OPTION( option_show_vert_hints, "vertical hints display" ); - break; - - case NVV_KEY( 'A' ): - TOGGLE_OPTION( option_show_horz_hints, "horizontal hints display" ); - break; - - case NVV_KEY( 'S' ): - TOGGLE_OPTION( option_show_smooth, "smooth points display" ); - break; - - case NVV_KEY( 'i' ): - TOGGLE_OPTION( option_show_indices, "point index display" ); - break; - - case NVV_KEY( 'b' ): - TOGGLE_OPTION( option_show_blues, "blue zones display" ); - break; - - case NVV_KEY( 'h' ): - ps_debug_no_horz_hints = option_hinting; - ps_debug_no_vert_hints = option_hinting; - - TOGGLE_OPTION( option_hinting, "hinting" ); - break; - - case NVV_KEY( 'H' ): - ps_print_hints(); - break; - - default: - ; - } -} - - -static void -usage() -{ - Panic( "no usage" ); -} - - -#define OPTION1(n,code) \ - case n : \ - code \ - argc--; \ - argv++; \ - break; - -#define OPTION2(n,code) \ - case n : \ - code \ - argc -= 2; \ - argv += 2; \ - break; - - -static void -parse_options( int* argc_p, - char*** argv_p ) -{ - int argc = *argc_p; - char** argv = *argv_p; - - - while ( argc > 2 && argv[1][0] == '-' ) - { - switch ( argv[1][1] ) - { - OPTION2( 'f', first_glyph = atoi( argv[2] ); ) - - OPTION2( 's', pixel_size = atoi( argv[2] ); ) - - default: - usage(); - } - } - - *argc_p = argc; - *argv_p = argv; -} - - -int -main( int argc, - char** argv ) -{ - char* filename = "/winnt/fonts/arial.ttf"; - - - parse_options( &argc, &argv ); - - if ( argc >= 2 ) - filename = argv[1]; - - - /* create library */ - error = nv_renderer_new( 0, &renderer ); - if ( error ) - Panic( "could not create Nirvana renderer" ); - - memory = nv_renderer_get_memory( renderer ); - init_symbols(); - - error = nvv_display_new( renderer, &display ); - if ( error ) - Panic( "could not create display" ); - - error = nvv_surface_new( display, 460, 460, nv_pixmap_type_argb, &surface ); - if ( error ) - Panic( "could not create surface" ); - - target = nvv_surface_get_pixmap( surface ); - - error = nv_painter_new( renderer, &painter ); - if ( error ) - Panic( "could not create painter" ); - - nv_painter_set_target( painter, target ); - - clear_background(); - - error = FT_Init_FreeType( &freetype ); - if ( error ) - Panic( "could not initialize FreeType" ); - - error = FT_New_Face( freetype, filename, 0, &face ); - if ( error ) - Panic( "could not open font face" ); - - reset_size( pixel_size, grid_scale ); - - nvv_surface_set_title( surface, "FreeType Glyph Viewer" ); - - { - NVV_EventRec event; - - - glyph_index = first_glyph; - for ( ;; ) - { - clear_background(); - draw_grid(); - - ps_debug_hints = 0; - ah_debug_hinter = 0; - - ah_debug_disable_vert = ps_debug_no_vert_hints; - ah_debug_disable_horz = ps_debug_no_horz_hints; - - draw_ps_blue_zones(); - draw_glyph( glyph_index ); - ps_draw_control_points(); - - nvv_surface_refresh( surface, NULL ); - - nvv_surface_listen( surface, 0, &event ); - if ( event.key == NVV_Key_Esc ) - break; - - handle_event( &event ); - switch ( event.key ) - { - case NVV_Key_Esc: - goto Exit; - - default: - ; - } - } - } - -Exit: - /* wait for escape */ - - /* destroy display (and surface) */ - nvv_display_unref( display ); - - done_symbols(); - nv_renderer_unref( renderer ); - - return 0; -} |