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Merge branch 'renderer' into 'master'

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Renderer reworks

See merge request Librem5/squeekboard!238
This commit is contained in:
Dorota Czaplejewicz
2019-11-19 10:34:47 +00:00
parent cffe07521e c096698ec1
commit 3170a0b615
4 changed files with 45 additions and 134 deletions
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108
eek/eek-renderer.c
View File

@ -50,8 +50,7 @@ typedef struct _EekRendererPrivate
gint origin_x;
gint origin_y;
PangoFontDescription *ascii_font;
PangoFontDescription *font;
PangoFontDescription *font; // owned reference
cairo_surface_t *keyboard_surface;
} EekRendererPrivate;
@ -59,8 +58,7 @@ typedef struct _EekRendererPrivate
G_DEFINE_TYPE_WITH_PRIVATE (EekRenderer, eek_renderer, G_TYPE_OBJECT)
/* eek-keyboard-drawing.c */
static void eek_renderer_real_render_button_label (EekRenderer *self,
PangoLayout *layout,
static void eek_renderer_render_button_label (EekRenderer *self, cairo_t *cr, GtkStyleContext *ctx,
const struct squeek_button *button);
static void invalidate (EekRenderer *renderer);
@ -125,9 +123,9 @@ static void
render_keyboard_surface (EekRenderer *renderer, struct squeek_view *view)
{
EekRendererPrivate *priv = eek_renderer_get_instance_private (renderer);
EekColor foreground;
eek_renderer_get_foreground_color (priv->view_context, &foreground);
GdkRGBA color = {0};
gtk_style_context_get_color (priv->view_context, GTK_STATE_FLAG_NORMAL, &color);
EekBounds bounds = squeek_view_get_bounds (level_keyboard_current(priv->keyboard));
@ -152,15 +150,16 @@ render_keyboard_surface (EekRenderer *renderer, struct squeek_view *view)
cairo_translate (data.cr, bounds.x, bounds.y);
cairo_set_source_rgba (data.cr,
foreground.red,
foreground.green,
foreground.blue,
foreground.alpha);
color.red,
color.green,
color.blue,
color.alpha);
/* draw rows */
squeek_view_foreach(level_keyboard_current(priv->keyboard),
create_keyboard_surface_row_callback,
&data);
cairo_restore (data.cr);
cairo_destroy (data.cr);
@ -198,9 +197,6 @@ static void render_button_in_context(EekRenderer *self,
struct button_place *place,
gboolean active) {
cairo_surface_t *outline_surface = NULL;
PangoLayout *layout;
PangoRectangle extents = { 0, };
EekColor foreground;
/* render outline */
EekBounds bounds = squeek_button_get_bounds(place->button);
@ -231,7 +227,6 @@ static void render_button_in_context(EekRenderer *self,
cairo_surface_destroy(outline_surface);
cairo_paint (cr);
eek_renderer_get_foreground_color (ctx, &foreground);
/* render icon (if any) */
const char *icon_name = squeek_button_get_icon_name(place->button);
@ -249,10 +244,13 @@ static void render_button_in_context(EekRenderer *self,
cairo_rectangle (cr, 0, 0, width, height);
cairo_clip (cr);
/* Draw the shape of the icon using the foreground color */
cairo_set_source_rgba (cr, foreground.red,
foreground.green,
foreground.blue,
foreground.alpha);
GdkRGBA color = {0};
gtk_style_context_get_color (ctx, GTK_STATE_FLAG_NORMAL, &color);
cairo_set_source_rgba (cr, color.red,
color.green,
color.blue,
color.alpha);
cairo_mask_surface (cr, icon_surface, 0.0, 0.0);
cairo_surface_destroy(icon_surface);
cairo_fill (cr);
@ -260,25 +258,7 @@ static void render_button_in_context(EekRenderer *self,
return;
}
}
/* render label */
layout = pango_cairo_create_layout (cr);
eek_renderer_real_render_button_label (self, layout, place->button);
pango_layout_get_extents (layout, NULL, &extents);
cairo_save (cr);
cairo_move_to
(cr,
(bounds.width - (double)extents.width / PANGO_SCALE) / 2,
(bounds.height - (double)extents.height / PANGO_SCALE) / 2);
cairo_set_source_rgba (cr,
foreground.red,
foreground.green,
foreground.blue,
foreground.alpha);
pango_cairo_show_layout (cr, layout);
cairo_restore (cr);
g_object_unref (layout);
eek_renderer_render_button_label (self, cr, ctx, place->button);
}
static void
@ -363,9 +343,10 @@ eek_renderer_apply_transformation_for_button (cairo_t *cr,
}
static void
eek_renderer_real_render_button_label (EekRenderer *self,
PangoLayout *layout,
const struct squeek_button *button)
eek_renderer_render_button_label (EekRenderer *self,
cairo_t *cr,
GtkStyleContext *ctx,
const struct squeek_button *button)
{
EekRendererPrivate *priv = eek_renderer_get_instance_private (self);
@ -381,16 +362,11 @@ eek_renderer_real_render_button_label (EekRenderer *self,
if (!priv->font) {
const PangoFontDescription *base_font;
gdouble ascii_size, size;
gdouble size;
base_font = pango_context_get_font_description (priv->pcontext);
// FIXME: Base font size on the same size unit used for button sizing,
// and make the default about 1/3 of the current row height
ascii_size = 30000.0;
priv->ascii_font = pango_font_description_copy (base_font);
pango_font_description_set_size (priv->ascii_font,
(gint)round(ascii_size));
size = 30000.0;
priv->font = pango_font_description_copy (base_font);
pango_font_description_set_size (priv->font, (gint)round(size * 0.6));
@ -403,6 +379,8 @@ eek_renderer_real_render_button_label (EekRenderer *self,
font = pango_font_description_copy (priv->font);
pango_font_description_set_size (font,
(gint)round(pango_font_description_get_size (font) * scale));
PangoLayout *layout = pango_cairo_create_layout (cr);
pango_layout_set_font_description (layout, font);
pango_font_description_free (font);
@ -413,6 +391,27 @@ eek_renderer_real_render_button_label (EekRenderer *self,
}
pango_layout_set_width (layout,
PANGO_SCALE * bounds.width * scale);
PangoRectangle extents = { 0, };
pango_layout_get_extents (layout, NULL, &extents);
cairo_save (cr);
cairo_move_to
(cr,
(bounds.width - (double)extents.width / PANGO_SCALE) / 2,
(bounds.height - (double)extents.height / PANGO_SCALE) / 2);
GdkRGBA color = {0};
gtk_style_context_get_color (ctx, GTK_STATE_FLAG_NORMAL, &color);
cairo_set_source_rgba (cr,
color.red,
color.green,
color.blue,
color.alpha);
pango_cairo_show_layout (cr, layout);
cairo_restore (cr);
g_object_unref (layout);
}
/*
@ -550,7 +549,6 @@ eek_renderer_finalize (GObject *object)
g_object_unref(priv->css_provider);
g_object_unref(priv->view_context);
g_object_unref(priv->button_context);
pango_font_description_free (priv->ascii_font);
pango_font_description_free (priv->font);
G_OBJECT_CLASS (eek_renderer_parent_class)->finalize (object);
}
@ -850,22 +848,6 @@ eek_renderer_render_keyboard (EekRenderer *renderer,
EEK_RENDERER_GET_CLASS(renderer)->render_keyboard (renderer, cr);
}
void
eek_renderer_get_foreground_color (GtkStyleContext *context,
EekColor *color)
{
g_return_if_fail (color);
GtkStateFlags flags = GTK_STATE_FLAG_NORMAL;
GdkRGBA gcolor;
gtk_style_context_get_color (context, flags, &gcolor);
color->red = gcolor.red;
color->green = gcolor.green;
color->blue = gcolor.blue;
color->alpha = gcolor.alpha;
}
static gboolean
sign (EekPoint *p1, EekPoint *p2, EekPoint *p3)
{

10
eek/eek-renderer.h
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@ -86,16 +86,6 @@ cairo_surface_t *eek_renderer_get_icon_surface(const gchar *icon_name,
void eek_renderer_render_keyboard (EekRenderer *renderer,
cairo_t *cr);
void eek_renderer_set_default_foreground_color
(EekRenderer *renderer,
const EekColor *color);
void eek_renderer_set_default_background_color
(EekRenderer *renderer,
const EekColor *color);
void eek_renderer_get_foreground_color
(GtkStyleContext *context,
EekColor *color);
void eek_renderer_set_border_width (EekRenderer *renderer,
gdouble border_width);
void eek_renderer_apply_transformation_for_button

32
eek/eek-types.c
View File

@ -72,35 +72,3 @@ eek_bounds_free (EekBounds *bounds)
{
g_slice_free (EekBounds, bounds);
}
/* EekColor */
G_DEFINE_BOXED_TYPE(EekColor, eek_color, eek_color_copy, eek_color_free);
EekColor *
eek_color_copy (const EekColor *color)
{
return g_slice_dup (EekColor, color);
}
void
eek_color_free (EekColor *color)
{
g_slice_free (EekColor, color);
}
EekColor *
eek_color_new (gdouble red,
gdouble green,
gdouble blue,
gdouble alpha)
{
EekColor *color;
color = g_slice_new (EekColor);
color->red = red;
color->green = green;
color->blue = blue;
color->alpha = alpha;
return color;
}

29
eek/eek-types.h
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@ -34,10 +34,8 @@ G_BEGIN_DECLS
#define EEK_TYPE_POINT (eek_point_get_type ())
#define EEK_TYPE_BOUNDS (eek_bounds_get_type ())
#define EEK_TYPE_COLOR (eek_color_get_type ())
typedef struct _EekBounds EekBounds;
typedef struct _EekColor EekColor;
typedef struct _EekboardContextService EekboardContextService;
typedef struct _LevelKeyboard LevelKeyboard;
@ -85,33 +83,6 @@ GType eek_bounds_get_type (void) G_GNUC_CONST;
EekBounds *eek_bounds_copy (const EekBounds *bounds);
void eek_bounds_free (EekBounds *bounds);
/**
* EekColor:
* @red: red component of color, between 0.0 and 1.0
* @green: green component of color, between 0.0 and 1.0
* @blue: blue component of color, between 0.0 and 1.0
* @alpha: alpha component of color, between 0.0 and 1.0
*
* Color used for drawing.
*/
struct _EekColor
{
/*< public >*/
gdouble red;
gdouble green;
gdouble blue;
gdouble alpha;
};
GType eek_color_get_type (void) G_GNUC_CONST;
EekColor *eek_color_new (gdouble red,
gdouble green,
gdouble blue,
gdouble alpha);
EekColor *eek_color_copy (const EekColor *color);
void eek_color_free (EekColor *color);
struct transformation {
gdouble origin_x;
gdouble origin_y;