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Support alpha in border colours

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The alpha component is merged with the container's opacity.

Completes #1882.
This commit is contained in:
Ryan Dwyer 2018-05-02 08:40:38 +10:00
parent c82a04e110
commit daab8e3503
2 changed files with 30 additions and 19 deletions
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15
sway/commands/client.c
View file

@ -8,7 +8,7 @@ static bool parse_color(char *hexstring, float dest[static 4]) {
return false;
}
if (strlen(hexstring) != 7) {
if (strlen(hexstring) != 7 && strlen(hexstring) != 9) {
return false;
}
@ -20,10 +20,15 @@ static bool parse_color(char *hexstring, float dest[static 4]) {
return false;
}
dest[0] = ((decimal >> 16) & 0xff) / 255.0;
dest[1] = ((decimal >> 8) & 0xff) / 255.0;
dest[2] = (decimal & 0xff) / 255.0;
dest[3] = 1.0;
if (strlen(hexstring) == 6) {
// Add alpha
decimal = (decimal << 8) | 0xff;
}
dest[0] = ((decimal >> 24) & 0xff) / 255.0;
dest[1] = ((decimal >> 16) & 0xff) / 255.0;
dest[2] = ((decimal >> 8) & 0xff) / 255.0;
dest[3] = (decimal & 0xff) / 255.0;
return true;
}

34
sway/desktop/output.c
View file

@ -232,10 +232,10 @@ static void render_container_simple_border_normal(struct sway_output *output,
wlr_backend_get_renderer(output->wlr_output->backend);
struct wlr_box box;
float color[4];
color[3] = con->alpha;
// Child border - left edge
memcpy(&color, colors->child_border, sizeof(float) * 3);
memcpy(&color, colors->child_border, sizeof(float) * 4);
color[3] *= con->alpha;
box.x = con->x;
box.y = con->y + 1;
box.width = con->sway_view->border_thickness;
@ -246,10 +246,11 @@ static void render_container_simple_border_normal(struct sway_output *output,
// Child border - right edge
if (con->parent->children->length == 1 && con->parent->layout == L_HORIZ) {
memcpy(&color, colors->indicator, sizeof(float) * 3);
memcpy(&color, colors->indicator, sizeof(float) * 4);
} else {
memcpy(&color, colors->child_border, sizeof(float) * 3);
memcpy(&color, colors->child_border, sizeof(float) * 4);
}
color[3] *= con->alpha;
box.x = con->x + con->width - con->sway_view->border_thickness;
box.y = con->y + 1;
box.width = con->sway_view->border_thickness;
@ -260,10 +261,11 @@ static void render_container_simple_border_normal(struct sway_output *output,
// Child border - bottom edge
if (con->parent->children->length == 1 && con->parent->layout == L_VERT) {
memcpy(&color, colors->indicator, sizeof(float) * 3);
memcpy(&color, colors->indicator, sizeof(float) * 4);
} else {
memcpy(&color, colors->child_border, sizeof(float) * 3);
memcpy(&color, colors->child_border, sizeof(float) * 4);
}
color[3] *= con->alpha;
box.x = con->x;
box.y = con->y + con->height - con->sway_view->border_thickness;
box.width = con->width;
@ -273,7 +275,8 @@ static void render_container_simple_border_normal(struct sway_output *output,
output->wlr_output->transform_matrix);
// Single pixel bar above title
memcpy(&color, colors->border, sizeof(float) * 3);
memcpy(&color, colors->border, sizeof(float) * 4);
color[3] *= con->alpha;
box.x = con->x;
box.y = con->y;
box.width = con->width;
@ -292,7 +295,8 @@ static void render_container_simple_border_normal(struct sway_output *output,
output->wlr_output->transform_matrix);
// Title background
memcpy(&color, colors->background, sizeof(float) * 3);
memcpy(&color, colors->background, sizeof(float) * 4);
color[3] *= con->alpha;
box.x = con->x + con->sway_view->border_thickness;
box.y = con->y + 1;
box.width = con->width - con->sway_view->border_thickness * 2;
@ -314,10 +318,10 @@ static void render_container_simple_border_pixel(struct sway_output *output,
wlr_backend_get_renderer(output->wlr_output->backend);
struct wlr_box box;
float color[4];
color[3] = con->alpha;
// Child border - left edge
memcpy(&color, colors->child_border, sizeof(float) * 3);
memcpy(&color, colors->child_border, sizeof(float) * 4);
color[3] *= con->alpha;
box.x = con->x;
box.y = con->y;
box.width = con->sway_view->border_thickness;
@ -328,10 +332,11 @@ static void render_container_simple_border_pixel(struct sway_output *output,
// Child border - right edge
if (con->parent->children->length == 1 && con->parent->layout == L_HORIZ) {
memcpy(&color, colors->indicator, sizeof(float) * 3);
memcpy(&color, colors->indicator, sizeof(float) * 4);
} else {
memcpy(&color, colors->child_border, sizeof(float) * 3);
memcpy(&color, colors->child_border, sizeof(float) * 4);
}
color[3] *= con->alpha;
box.x = con->x + con->width - con->sway_view->border_thickness;
box.y = con->y;
box.width = con->sway_view->border_thickness;
@ -351,10 +356,11 @@ static void render_container_simple_border_pixel(struct sway_output *output,
// Child border - bottom edge
if (con->parent->children->length == 1 && con->parent->layout == L_VERT) {
memcpy(&color, colors->indicator, sizeof(float) * 3);
memcpy(&color, colors->indicator, sizeof(float) * 4);
} else {
memcpy(&color, colors->child_border, sizeof(float) * 3);
memcpy(&color, colors->child_border, sizeof(float) * 4);
}
color[3] *= con->alpha;
box.x = con->x;
box.y = con->y + con->height - con->sway_view->border_thickness;
box.width = con->width;