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Correct color management for pango fonts 

Corrects the cases where the colorpixel is not 0xRRGGBB : we have to
use the full color_t struct to describe font colors, as Pango expects
RGB values and not an XCB colorpixel value.
next
Alex Auvolat 2015-12-28 12:43:53 +01:00
parent 0ee9e65a3b
commit c6a4e4519f
8 changed files with 55 additions and 55 deletions
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14
i3-config-wizard/main.c
View File

@ -479,7 +479,7 @@ static int handle_expose() {
if (current_step == STEP_WELCOME) {
/* restore font color */
set_font_colors(pixmap_gc, get_colorpixel("#FFFFFF"), get_colorpixel("#000000"));
set_font_colors(pixmap_gc, draw_util_hex_to_color("#FFFFFF"), draw_util_hex_to_color("#000000"));
txt(logical_px(10), 2, "You have not configured i3 yet.");
txt(logical_px(10), 3, "Do you want me to generate a config at");
@ -493,16 +493,16 @@ static int handle_expose() {
txt(logical_px(85), 8, "No, I will use the defaults");
/* green */
set_font_colors(pixmap_gc, get_colorpixel("#00FF00"), get_colorpixel("#000000"));
set_font_colors(pixmap_gc, draw_util_hex_to_color("#00FF00"), draw_util_hex_to_color("#000000"));
txt(logical_px(25), 6, "<Enter>");
/* red */
set_font_colors(pixmap_gc, get_colorpixel("#FF0000"), get_colorpixel("#000000"));
set_font_colors(pixmap_gc, draw_util_hex_to_color("#FF0000"), draw_util_hex_to_color("#000000"));
txt(logical_px(31), 8, "<ESC>");
}
if (current_step == STEP_GENERATE) {
set_font_colors(pixmap_gc, get_colorpixel("#FFFFFF"), get_colorpixel("#000000"));
set_font_colors(pixmap_gc, draw_util_hex_to_color("#FFFFFF"), draw_util_hex_to_color("#000000"));
txt(logical_px(10), 2, "Please choose either:");
txt(logical_px(85), 4, "Win as default modifier");
@ -519,7 +519,7 @@ static int handle_expose() {
/* the selected modifier */
set_font(&bold_font);
set_font_colors(pixmap_gc, get_colorpixel("#FFFFFF"), get_colorpixel("#000000"));
set_font_colors(pixmap_gc, draw_util_hex_to_color("#FFFFFF"), draw_util_hex_to_color("#000000"));
if (modifier == MOD_Mod4)
txt(logical_px(10), 4, "-> <Win>");
else
@ -527,11 +527,11 @@ static int handle_expose() {
/* green */
set_font(&font);
set_font_colors(pixmap_gc, get_colorpixel("#00FF00"), get_colorpixel("#000000"));
set_font_colors(pixmap_gc, draw_util_hex_to_color("#00FF00"), draw_util_hex_to_color("#000000"));
txt(logical_px(25), 9, "<Enter>");
/* red */
set_font_colors(pixmap_gc, get_colorpixel("#FF0000"), get_colorpixel("#000000"));
set_font_colors(pixmap_gc, draw_util_hex_to_color("#FF0000"), draw_util_hex_to_color("#000000"));
txt(logical_px(31), 10, "<ESC>");
}

2
i3-input/main.c
View File

@ -137,7 +137,7 @@ static int handle_expose(void *data, xcb_connection_t *conn, xcb_expose_event_t
xcb_poly_fill_rectangle(conn, pixmap, pixmap_gc, 1, &inner);
/* restore font color */
set_font_colors(pixmap_gc, get_colorpixel("#FFFFFF"), get_colorpixel("#000000"));
set_font_colors(pixmap_gc, draw_util_hex_to_color("#FFFFFF"), draw_util_hex_to_color("#000000"));
/* draw the prompt … */
if (prompt != NULL) {

46
i3-nagbar/main.c
View File

@ -51,11 +51,11 @@ static button_t *buttons;
static int buttoncnt;
/* Result of get_colorpixel() for the various colors. */
static uint32_t color_background; /* background of the bar */
static uint32_t color_button_background; /* background for buttons */
static uint32_t color_border; /* color of the button border */
static uint32_t color_border_bottom; /* color of the bottom border */
static uint32_t color_text; /* color of the text */
static color_t color_background; /* background of the bar */
static color_t color_button_background; /* background for buttons */
static color_t color_border; /* color of the button border */
static color_t color_border_bottom; /* color of the bottom border */
static color_t color_text; /* color of the text */
xcb_window_t root;
xcb_connection_t *conn;
@ -191,7 +191,7 @@ static void handle_button_release(xcb_connection_t *conn, xcb_button_release_eve
*/
static int handle_expose(xcb_connection_t *conn, xcb_expose_event_t *event) {
/* re-draw the background */
xcb_change_gc(conn, pixmap_gc, XCB_GC_FOREGROUND, (uint32_t[]){color_background});
xcb_change_gc(conn, pixmap_gc, XCB_GC_FOREGROUND, (uint32_t[]){color_background.colorpixel});
xcb_poly_fill_rectangle(conn, pixmap, pixmap_gc, 1, &rect);
/* restore font color */
@ -210,14 +210,14 @@ static int handle_expose(xcb_connection_t *conn, xcb_expose_event_t *event) {
w += logical_px(8);
int y = rect.width;
uint32_t values[3];
values[0] = color_button_background;
values[0] = color_button_background.colorpixel;
values[1] = line_width;
xcb_change_gc(conn, pixmap_gc, XCB_GC_FOREGROUND | XCB_GC_LINE_WIDTH, values);
xcb_rectangle_t close = {y - w - (2 * line_width), 0, w + (2 * line_width), rect.height};
xcb_poly_fill_rectangle(conn, pixmap, pixmap_gc, 1, &close);
xcb_change_gc(conn, pixmap_gc, XCB_GC_FOREGROUND, (uint32_t[]){color_border});
xcb_change_gc(conn, pixmap_gc, XCB_GC_FOREGROUND, (uint32_t[]){color_border.colorpixel});
xcb_point_t points[] = {
{y - w - (2 * line_width), line_width / 2},
{y - (line_width / 2), line_width / 2},
@ -245,11 +245,11 @@ static int handle_expose(xcb_connection_t *conn, xcb_expose_event_t *event) {
/* account for left/right padding, which seems to be set to 12px (total) below */
w += logical_px(12);
y -= logical_px(30);
xcb_change_gc(conn, pixmap_gc, XCB_GC_FOREGROUND, (uint32_t[]){color_button_background});
xcb_change_gc(conn, pixmap_gc, XCB_GC_FOREGROUND, (uint32_t[]){color_button_background.colorpixel});
close = (xcb_rectangle_t){y - w - (2 * line_width), logical_px(2), w + (2 * line_width), rect.height - logical_px(6)};
xcb_poly_fill_rectangle(conn, pixmap, pixmap_gc, 1, &close);
xcb_change_gc(conn, pixmap_gc, XCB_GC_FOREGROUND, (uint32_t[]){color_border});
xcb_change_gc(conn, pixmap_gc, XCB_GC_FOREGROUND, (uint32_t[]){color_border.colorpixel});
buttons[c].x = y - w - (2 * line_width);
buttons[c].width = w;
xcb_point_t points2[] = {
@ -260,8 +260,8 @@ static int handle_expose(xcb_connection_t *conn, xcb_expose_event_t *event) {
{y - w - (2 * line_width), (line_width / 2) + logical_px(2)}};
xcb_poly_line(conn, XCB_COORD_MODE_ORIGIN, pixmap, pixmap_gc, 5, points2);
values[0] = color_text;
values[1] = color_button_background;
values[0] = color_text.colorpixel;
values[1] = color_button_background.colorpixel;
set_font_colors(pixmap_gc, color_text, color_button_background);
/* the x term seems to set left/right padding */
draw_text(buttons[c].label, pixmap, pixmap_gc, NULL,
@ -274,7 +274,7 @@ static int handle_expose(xcb_connection_t *conn, xcb_expose_event_t *event) {
/* border line at the bottom */
line_width = logical_px(2);
values[0] = color_border_bottom;
values[0] = color_border_bottom.colorpixel;
values[1] = line_width;
xcb_change_gc(conn, pixmap_gc, XCB_GC_FOREGROUND | XCB_GC_LINE_WIDTH, values);
xcb_point_t bottom[] = {
@ -448,18 +448,18 @@ int main(int argc, char *argv[]) {
if (bar_type == TYPE_ERROR) {
/* Red theme for error messages */
color_button_background = get_colorpixel("#680a0a");
color_background = get_colorpixel("#900000");
color_text = get_colorpixel("#ffffff");
color_border = get_colorpixel("#d92424");
color_border_bottom = get_colorpixel("#470909");
color_button_background = draw_util_hex_to_color("#680a0a");
color_background = draw_util_hex_to_color("#900000");
color_text = draw_util_hex_to_color("#ffffff");
color_border = draw_util_hex_to_color("#d92424");
color_border_bottom = draw_util_hex_to_color("#470909");
} else {
/* Yellowish theme for warnings */
color_button_background = get_colorpixel("#ffc100");
color_background = get_colorpixel("#ffa8000");
color_text = get_colorpixel("#000000");
color_border = get_colorpixel("#ab7100");
color_border_bottom = get_colorpixel("#ab7100");
color_button_background = draw_util_hex_to_color("#ffc100");
color_background = draw_util_hex_to_color("#ffa8000");
color_text = draw_util_hex_to_color("#000000");
color_border = draw_util_hex_to_color("#ab7100");
color_border_bottom = draw_util_hex_to_color("#ab7100");
}
font = load_font(pattern, true);

28
include/libi3.h
View File

@ -392,11 +392,24 @@ char *convert_ucs2_to_utf8(xcb_char2b_t *text, size_t num_glyphs);
*/
xcb_char2b_t *convert_utf8_to_ucs2(char *input, size_t *real_strlen);
/* Represents a color split by color channel. */
typedef struct color_t {
double red;
double green;
double blue;
double alpha;
/* The colorpixel we use for direct XCB calls. */
uint32_t colorpixel;
} color_t;
#define COLOR_TRANSPARENT ((color_t){.red = 0.0, .green = 0.0, .blue = 0.0, .colorpixel = 0})
/**
* Defines the colors to be used for the forthcoming draw_text calls.
*
*/
void set_font_colors(xcb_gcontext_t gc, uint32_t foreground, uint32_t background);
void set_font_colors(xcb_gcontext_t gc, color_t foreground, color_t background);
/**
* Returns true if and only if the current font is a pango font.
@ -501,19 +514,6 @@ int mkdirp(const char *path, mode_t mode);
} while (0)
#endif
/* Represents a color split by color channel. */
typedef struct color_t {
double red;
double green;
double blue;
double alpha;
/* The colorpixel we use for direct XCB calls. */
uint32_t colorpixel;
} color_t;
#define COLOR_TRANSPARENT ((color_t){.red = 0.0, .green = 0.0, .blue = 0.0, .colorpixel = 0})
/* A wrapper grouping an XCB drawable and both a graphics context
* and the corresponding cairo objects representing it. */
typedef struct surface_t {

2
libi3/draw_util.c
View File

@ -144,7 +144,7 @@ void draw_util_text(i3String *text, surface_t *surface, color_t fg_color, color_
CAIRO_SURFACE_FLUSH(surface->surface);
#endif
set_font_colors(surface->gc, fg_color.colorpixel, bg_color.colorpixel);
set_font_colors(surface->gc, fg_color, bg_color);
draw_text(text, surface->id, surface->gc, surface->visual_type, x, y, max_width);
#ifdef CAIRO_SUPPORT

10
libi3/font.c
View File

@ -310,7 +310,7 @@ void free_font(void) {
* Defines the colors to be used for the forthcoming draw_text calls.
*
*/
void set_font_colors(xcb_gcontext_t gc, uint32_t foreground, uint32_t background) {
void set_font_colors(xcb_gcontext_t gc, color_t foreground, color_t background) {
assert(savedFont != NULL);
switch (savedFont->type) {
@ -320,16 +320,16 @@ void set_font_colors(xcb_gcontext_t gc, uint32_t foreground, uint32_t background
case FONT_TYPE_XCB: {
/* Change the font and colors in the GC */
uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND | XCB_GC_FONT;
uint32_t values[] = {foreground, background, savedFont->specific.xcb.id};
uint32_t values[] = {foreground.colorpixel, background.colorpixel, savedFont->specific.xcb.id};
xcb_change_gc(conn, gc, mask, values);
break;
}
#if PANGO_SUPPORT
case FONT_TYPE_PANGO:
/* Save the foreground font */
pango_font_red = ((foreground >> 16) & 0xff) / 255.0;
pango_font_green = ((foreground >> 8) & 0xff) / 255.0;
pango_font_blue = (foreground & 0xff) / 255.0;
pango_font_red = foreground.red;
pango_font_green = foreground.green;
pango_font_blue = foreground.blue;
break;
#endif
default:

2
src/restore_layout.c
View File

@ -133,7 +133,7 @@ static void update_placeholder_contents(placeholder_state *state) {
xcb_flush(restore_conn);
xcb_aux_sync(restore_conn);
set_font_colors(state->gc, config.client.placeholder.text.colorpixel, config.client.placeholder.background.colorpixel);
set_font_colors(state->gc, config.client.placeholder.text, config.client.placeholder.background);
Match *swallows;
int n = 0;

6
src/sighandler.c
View File

@ -141,7 +141,7 @@ static int sig_draw_window(xcb_window_t win, int width, int height, int font_hei
xcb_poly_fill_rectangle(conn, pixmap, pixmap_gc, 1, &inner);
/* restore font color */
set_font_colors(pixmap_gc, get_colorpixel("#FFFFFF"), get_colorpixel("#000000"));
set_font_colors(pixmap_gc, draw_util_hex_to_color("#FFFFFF"), draw_util_hex_to_color("#000000"));
char *bt_colour = "#FFFFFF";
if (backtrace_done < 0)
@ -152,14 +152,14 @@ static int sig_draw_window(xcb_window_t win, int width, int height, int font_hei
for (int i = 0; crash_text_i3strings[i] != NULL; ++i) {
/* fix the colour for the backtrace line when it finished */
if (i == backtrace_string_index)
set_font_colors(pixmap_gc, get_colorpixel(bt_colour), get_colorpixel("#000000"));
set_font_colors(pixmap_gc, draw_util_hex_to_color(bt_colour), draw_util_hex_to_color("#000000"));
draw_text(crash_text_i3strings[i], pixmap, pixmap_gc, NULL,
8, 5 + i * font_height, width - 16);
/* and reset the colour again for other lines */
if (i == backtrace_string_index)
set_font_colors(pixmap_gc, get_colorpixel("#FFFFFF"), get_colorpixel("#000000"));
set_font_colors(pixmap_gc, draw_util_hex_to_color("#FFFFFF"), draw_util_hex_to_color("#000000"));
}
/* Copy the contents of the pixmap to the real window */