diff options
author | Alessandro Ghedini <al3xbio@gmail.com> | 2012-01-21 19:07:09 +0100 |
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committer | Alessandro Ghedini <al3xbio@gmail.com> | 2012-01-21 19:07:09 +0100 |
commit | 60560a030fda3c539ff9dc1563b9926414a193da (patch) | |
tree | 77590b395685a8d48d3615e45629a1610d08c071 /src/images/renderedText.vala | |
parent | d6b2677825cbb423e2099563c16321c3e23d7899 (diff) |
Imported Upstream version 0.4.0upstream/0.4.0
Diffstat (limited to 'src/images/renderedText.vala')
-rw-r--r-- | src/images/renderedText.vala | 75 |
1 files changed, 67 insertions, 8 deletions
diff --git a/src/images/renderedText.vala b/src/images/renderedText.vala index 924742a..e4bb4cb 100644 --- a/src/images/renderedText.vala +++ b/src/images/renderedText.vala @@ -55,12 +55,36 @@ public class RenderedText : Image { /// C'tor, creates a new image representation of a string. ///////////////////////////////////////////////////////////////////// - public RenderedText(string text, int width, int height, string font) { - var cached = this.cache.get("%s@%ux%u:%s".printf(text, width, height, font)); + public RenderedText(string text, int width, int height, string font, + Color color, double scale) { + + var cached = this.cache.get("%s@%ux%u@%f:%s:%f:%f:%f:%f".printf(text, width, height, scale, font, + color.r, color.g, color.b, color.a)); if (cached == null) { - this.render_text(text, width, height, font); - this.cache.set("%s@%ux%u:%s".printf(text, width, height, font), this.surface); + this.render_text(text, width, height, font, color, scale); + this.cache.set("%s@%ux%u@%f:%s:%f:%f:%f:%f".printf(text, width, height, scale, font, + color.r, color.g, color.b, color.a), this.surface); + } else { + this.surface = cached; + } + } + + ///////////////////////////////////////////////////////////////////// + /// C'tor, creates a new image representation of a string. This + /// string may contain markup information. + ///////////////////////////////////////////////////////////////////// + + public RenderedText.with_markup(string text, int width, int height, string font, + Color color, double scale) { + + var cached = this.cache.get("%s@%ux%u@%f:%s:%f:%f:%f:%f".printf(text, width, height, scale, font, + color.r, color.g, color.b, color.a)); + + if (cached == null) { + this.render_markup(text, width, height, font, color, scale); + this.cache.set("%s@%ux%u@%f:%s:%f:%f:%f:%f".printf(text, width, height, scale, font, + color.r, color.g, color.b, color.a), this.surface); } else { this.surface = cached; } @@ -70,20 +94,21 @@ public class RenderedText : Image { /// Creates a new transparent image, with text written onto. ///////////////////////////////////////////////////////////////////// - public void render_text(string text, int width, int height, string font) { + public void render_text(string text, int width, int height, string font, + Color color, double scale) { + this.surface = new Cairo.ImageSurface(Cairo.Format.ARGB32, width, height); var ctx = this.context(); - // set the color as specified in the current theme - Color color = Config.global.theme.caption_color; + // set the color ctx.set_source_rgb(color.r, color.g, color.g); var layout = Pango.cairo_create_layout(ctx); layout.set_width(Pango.units_from_double(width)); var font_description = Pango.FontDescription.from_string(font); - font_description.set_size((int)(font_description.get_size() * Config.global.global_scale)); + font_description.set_size((int)(font_description.get_size() * scale)); layout.set_font_description(font_description); layout.set_text(text, -1); @@ -105,6 +130,40 @@ public class RenderedText : Image { Pango.cairo_update_layout(ctx, layout); Pango.cairo_show_layout(ctx, layout); } + + ///////////////////////////////////////////////////////////////////// + /// Creates a new transparent image, with text written onto. + ///////////////////////////////////////////////////////////////////// + + public void render_markup(string text, int width, int height, string font, + Color color, double scale) { + + this.surface = new Cairo.ImageSurface(Cairo.Format.ARGB32, width, height); + + var ctx = this.context(); + + // set the color + ctx.set_source_rgb(color.r, color.g, color.g); + + var layout = Pango.cairo_create_layout(ctx); + layout.set_width(Pango.units_from_double(width)); + + var font_description = Pango.FontDescription.from_string(font); + font_description.set_size((int)(font_description.get_size() * scale)); + + layout.set_font_description(font_description); + layout.set_markup(text, -1); + + layout.set_ellipsize(Pango.EllipsizeMode.END); + layout.set_alignment(Pango.Alignment.CENTER); + + Pango.Rectangle extents; + layout.get_pixel_extents(null, out extents); + ctx.move_to(0, (int)(0.5*(height - extents.height))); + + Pango.cairo_update_layout(ctx, layout); + Pango.cairo_show_layout(ctx, layout); + } } } |