From e9922ec52496068e0976d77ba52e5b9c0d074ce1 Mon Sep 17 00:00:00 2001 From: Drew DeVault Date: Tue, 27 Mar 2018 15:37:24 -0400 Subject: Remove obsolete client code --- wayland/cairo.c | 134 -------------------------------------------------------- 1 file changed, 134 deletions(-) delete mode 100644 wayland/cairo.c (limited to 'wayland/cairo.c') diff --git a/wayland/cairo.c b/wayland/cairo.c deleted file mode 100644 index 193205b1..00000000 --- a/wayland/cairo.c +++ /dev/null @@ -1,134 +0,0 @@ -#include "client/cairo.h" - -void cairo_set_source_u32(cairo_t *cairo, uint32_t color) { - cairo_set_source_rgba(cairo, - (color >> (3*8) & 0xFF) / 255.0, - (color >> (2*8) & 0xFF) / 255.0, - (color >> (1*8) & 0xFF) / 255.0, - (color >> (0*8) & 0xFF) / 255.0); -} - -cairo_surface_t *cairo_image_surface_scale(cairo_surface_t *image, int width, int height) { - int image_width = cairo_image_surface_get_width(image); - int image_height = cairo_image_surface_get_height(image); - - cairo_surface_t *new = - cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height); - - cairo_t *cairo = cairo_create(new); - - cairo_scale(cairo, (double) width / image_width, (double) height / image_height); - - cairo_set_source_surface(cairo, image, 0, 0); - cairo_paint(cairo); - - cairo_destroy(cairo); - - return new; -} - -#ifdef WITH_GDK_PIXBUF -#include - -#ifndef GDK_PIXBUF_CHECK_VERSION -#define GDK_PIXBUF_CHECK_VERSION(major,minor,micro) \ - (GDK_PIXBUF_MAJOR > (major) || \ - (GDK_PIXBUF_MAJOR == (major) && GDK_PIXBUF_MINOR > (minor)) || \ - (GDK_PIXBUF_MAJOR == (major) && GDK_PIXBUF_MINOR == (minor) && \ - GDK_PIXBUF_MICRO >= (micro))) -#endif - -cairo_surface_t* gdk_cairo_image_surface_create_from_pixbuf(const GdkPixbuf *gdkbuf) { - int chan = gdk_pixbuf_get_n_channels(gdkbuf); - if (chan < 3) return NULL; - -#if GDK_PIXBUF_CHECK_VERSION(2,32,0) - const guint8* gdkpix = gdk_pixbuf_read_pixels(gdkbuf); -#else - const guint8* gdkpix = gdk_pixbuf_get_pixels(gdkbuf); -#endif - if (!gdkpix) { - return NULL; - } - gint w = gdk_pixbuf_get_width(gdkbuf); - gint h = gdk_pixbuf_get_height(gdkbuf); - int stride = gdk_pixbuf_get_rowstride(gdkbuf); - - cairo_format_t fmt = (chan == 3) ? CAIRO_FORMAT_RGB24 : CAIRO_FORMAT_ARGB32; - cairo_surface_t * cs = cairo_image_surface_create (fmt, w, h); - cairo_surface_flush (cs); - if ( !cs || cairo_surface_status(cs) != CAIRO_STATUS_SUCCESS) { - return NULL; - } - - int cstride = cairo_image_surface_get_stride(cs); - unsigned char * cpix = cairo_image_surface_get_data(cs); - - if (chan == 3) { - int i; - for (i = h; i; --i) { - const guint8 *gp = gdkpix; - unsigned char *cp = cpix; - const guint8* end = gp + 3*w; - while (gp < end) { -#if G_BYTE_ORDER == G_LITTLE_ENDIAN - cp[0] = gp[2]; - cp[1] = gp[1]; - cp[2] = gp[0]; -#else - cp[1] = gp[0]; - cp[2] = gp[1]; - cp[3] = gp[2]; -#endif - gp += 3; - cp += 4; - } - gdkpix += stride; - cpix += cstride; - } - } else { - /* premul-color = alpha/255 * color/255 * 255 = (alpha*color)/255 - * (z/255) = z/256 * 256/255 = z/256 (1 + 1/255) - * = z/256 + (z/256)/255 = (z + z/255)/256 - * # recurse once - * = (z + (z + z/255)/256)/256 - * = (z + z/256 + z/256/255) / 256 - * # only use 16bit uint operations, loose some precision, - * # result is floored. - * -> (z + z>>8)>>8 - * # add 0x80/255 = 0.5 to convert floor to round - * => (z+0x80 + (z+0x80)>>8 ) >> 8 - * ------ - * tested as equal to lround(z/255.0) for uint z in [0..0xfe02] - */ -#define PREMUL_ALPHA(x,a,b,z) G_STMT_START { z = a * b + 0x80; x = (z + (z >> 8)) >> 8; } G_STMT_END - int i; - for (i = h; i; --i) { - const guint8 *gp = gdkpix; - unsigned char *cp = cpix; - const guint8* end = gp + 4*w; - guint z1, z2, z3; - while (gp < end) { -#if G_BYTE_ORDER == G_LITTLE_ENDIAN - PREMUL_ALPHA(cp[0], gp[2], gp[3], z1); - PREMUL_ALPHA(cp[1], gp[1], gp[3], z2); - PREMUL_ALPHA(cp[2], gp[0], gp[3], z3); - cp[3] = gp[3]; -#else - PREMUL_ALPHA(cp[1], gp[0], gp[3], z1); - PREMUL_ALPHA(cp[2], gp[1], gp[3], z2); - PREMUL_ALPHA(cp[3], gp[2], gp[3], z3); - cp[0] = gp[3]; -#endif - gp += 4; - cp += 4; - } - gdkpix += stride; - cpix += cstride; - } -#undef PREMUL_ALPHA - } - cairo_surface_mark_dirty(cs); - return cs; -} -#endif //WITH_GDK_PIXBUF -- cgit v1.2.3-54-g00ecf