ardour-2.8.14.rar_Ardour_ardour 源码

/* Clearlooks theme engine * Copyright (C) 2006 Richard Stellingwerff * Copyright (C) 2006 Daniel Borgman * Copyright (C) 2007 Benjamin Berg * Copyright (C) 2007 Andrea Cimitan * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. * */ #include "clearlooks_draw.h" #include "clearlooks_style.h" #include "clearlooks_types.h" #include "support.h" #include <ge-support.h> #include <math.h> #include <cairo.h> typedef void (*menubar_draw_proto) (cairo_t *cr, const ClearlooksColors *colors, const WidgetParameters *params, const MenuBarParameters *menubar, int x, int y, int width, int height); static void clearlooks_draw_inset (cairo_t *cr, const CairoColor *bg_color, double x, double y, double w, double h, double radius, uint8 corners) { CairoColor shadow; CairoColor highlight; /* not really sure of shading ratios... we will think */ ge_shade_color (bg_color, 0.94, &shadow); ge_shade_color (bg_color, 1.06, &highlight); /* highlight */ cairo_move_to (cr, x + w + (radius * -0.2928932188), y - (radius * -0.2928932188)); /* 0.2928932... 1-sqrt(2)/2 gives middle of curve */ if (corners & CR_CORNER_TOPRIGHT) cairo_arc (cr, x + w - radius, y + radius, radius, G_PI * 1.75, G_PI * 2); else cairo_line_to (cr, x + w, y); if (corners & CR_CORNER_BOTTOMRIGHT) cairo_arc (cr, x + w - radius, y + h - radius, radius, 0, G_PI * 0.5); else cairo_line_to (cr, x + w, y + h); if (corners & CR_CORNER_BOTTOMLEFT) cairo_arc (cr, x + radius, y + h - radius, radius, G_PI * 0.5, G_PI * 0.75); else cairo_line_to (cr, x, y + h); ge_cairo_set_color (cr, &highlight); cairo_stroke (cr); /* shadow */ cairo_move_to (cr, x + (radius * 0.2928932188), y + h + (radius * -0.2928932188)); if (corners & CR_CORNER_BOTTOMLEFT) cairo_arc (cr, x + radius, y + h - radius, radius, M_PI * 0.75, M_PI); else cairo_line_to (cr, x, y + h); if (corners & CR_CORNER_TOPLEFT) cairo_arc (cr, x + radius, y + radius, radius, M_PI, M_PI * 1.5); else cairo_line_to (cr, x, y); if (corners & CR_CORNER_TOPRIGHT) cairo_arc (cr, x + w - radius, y + radius, radius, M_PI * 1.5, M_PI * 1.75); else cairo_line_to (cr, x + w, y); ge_cairo_set_color (cr, &shadow); cairo_stroke (cr); } static void clearlooks_draw_shadow (cairo_t *cr, const ClearlooksColors *colors, gfloat radius, int width, int height) { CairoColor shadow; ge_shade_color (&colors->shade[6], 0.92, &shadow); cairo_set_line_width (cr, 1.0); cairo_set_source_rgba (cr, shadow.r, shadow.g, shadow.b, 0.1); cairo_move_to (cr, width, radius); ge_cairo_rounded_corner (cr, width, height, radius, CR_CORNER_BOTTOMRIGHT); cairo_line_to (cr, radius, height); cairo_stroke (cr); } static void clearlooks_draw_top_left_highlight (cairo_t *cr, const CairoColor *color, const WidgetParameters *params, int width, int height, gdouble radius) { CairoColor hilight; double light_top = params->ythickness-1, light_bottom = height - params->ythickness - 1, light_left = params->xthickness-1, light_right = width - params->xthickness - 1; ge_shade_color (color, 1.3, &hilight); cairo_move_to (cr, light_left, light_bottom - (int)radius/2); ge_cairo_rounded_corner (cr, light_left, light_top, radius, params->corners & CR_CORNER_TOPLEFT); cairo_line_to (cr, light_right - (int)radius/2, light_top); cairo_set_source_rgba (cr, hilight.r, hilight.g, hilight.b, 0.5); cairo_stroke (cr); } #ifdef DEVELOPMENT #warning seems to be very slow in scrollbar_stepper #endif static void clearlooks_draw_highlight_and_shade (cairo_t *cr, const ClearlooksColors *colors, const ShadowParameters *params, int width, int height, gdouble radius) { CairoColor hilight; CairoColor shadow; uint8 corners = params->corners; double x = 1.0; double y = 1.0; ge_shade_color (&colors->bg[GTK_STATE_NORMAL], 1.06, &hilight); ge_shade_color (&colors->bg[GTK_STATE_NORMAL], 0.94, &shadow); width -= 3; height -= 3; cairo_save (cr); /* Top/Left highlight */ if (corners & CR_CORNER_BOTTOMLEFT) cairo_move_to (cr, x, y+height-radius); else cairo_move_to (cr, x, y+height); ge_cairo_rounded_corner (cr, x, y, radius, corners & CR_CORNER_TOPLEFT); if (corners & CR_CORNER_TOPRIGHT) cairo_line_to (cr, x+width-radius, y); else cairo_line_to (cr, x+width, y); if (params->shadow & CL_SHADOW_OUT) ge_cairo_set_color (cr, &hilight); else ge_cairo_set_color (cr, &shadow); cairo_stroke (cr); /* Bottom/Right highlight -- this includes the corners */ cairo_move_to (cr, x+width-radius, y); /* topright and by radius to the left */ ge_cairo_rounded_corner (cr, x+width, y, radius, corners & CR_CORNER_TOPRIGHT); ge_cairo_rounded_corner (cr, x+width, y+height, radius, corners & CR_CORNER_BOTTOMRIGHT); ge_cairo_rounded_corner (cr, x, y+height, radius, corners & CR_CORNER_BOTTOMLEFT); if (params->shadow & CL_SHADOW_OUT) ge_cairo_set_color (cr, &shadow); else ge_cairo_set_color (cr, &hilight); cairo_stroke (cr); cairo_restore (cr); } static void clearlooks_set_border_gradient (cairo_t *cr, const CairoColor *color, double hilight, int width, int height) { cairo_pattern_t *pattern; CairoColor bottom_shade; ge_shade_color (color, hilight, &bottom_shade); pattern = cairo_pattern_create_linear (0, 0, width, height); cairo_pattern_add_color_stop_rgb (pattern, 0, color->r, color->g, color->b); cairo_pattern_add_color_stop_rgb (pattern, 1, bottom_shade.r, bottom_shade.g, bottom_shade.b); cairo_set_source (cr, pattern); cairo_pattern_destroy (pattern); } static void clearlooks_draw_gripdots (cairo_t *cr, const ClearlooksColors *colors, int x, int y, int width, int height, int xr, int yr, float contrast) { const CairoColor *dark = &colors->shade[4]; CairoColor hilight; int i, j; int xoff, yoff; ge_shade_color (dark, 1.5, &hilight); for ( i = 0; i < xr; i++ ) { for ( j = 0; j < yr; j++ ) { xoff = x -(xr * 3 / 2) + 3 * i; yoff = y -(yr * 3 / 2) + 3 * j; cairo_rectangle (cr, width/2+0.5+xoff, height/2+0.5+yoff, 2, 2); cairo_set_source_rgba (cr, hilight.r, hilight.g, hilight.b, 0.8+contrast); cairo_fill (cr); cairo_rectangle (cr, width/2+0.5+xoff, height/2+0.5+yoff, 1, 1); cairo_set_source_rgba (cr, dark->r, dark->g, dark->b, 0.8+contrast); cairo_fill (cr); } } } static void clearlooks_draw_button (cairo_t *cr, const ClearlooksColors *colors, const WidgetParameters *params, int x, int y, int width, int height) { double xoffset = 0, yoffset = 0; double radius = params->radius; const CairoColor *fill = &colors->bg[params->state_type]; const CairoColor *border_normal = &colors->shade[6]; const CairoColor *border_disabled = &colors->shade[4]; CairoColor shadow; ge_shade_color (border_normal, 0.925, &shadow); cairo_save (cr); cairo_tran