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update drwl

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sewn 2024-09-05 20:25:21 +03:00
parent 02c3ac09a6
commit 7956a271dc
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3 changed files with 122 additions and 74 deletions
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61
drwl.h
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@ -36,9 +36,10 @@
enum { ColFg, ColBg }; /* colorscheme index */
typedef struct fcft_font Fnt;
typedef pixman_image_t Img;
typedef struct {
pixman_image_t *pix;
Img *image;
Fnt *font;
uint32_t *scheme;
} Drwl;
@ -102,6 +103,13 @@ drwl_setfont(Drwl *drwl, Fnt *font)
drwl->font = font;
}
static void
drwl_setimage(Drwl *drwl, Img *image)
{
if (drwl)
drwl->image = image;
}
static Fnt *
drwl_font_create(Drwl *drwl, size_t count,
const char *names[static count], const char *attributes)
@ -136,26 +144,23 @@ drwl_setscheme(Drwl *drwl, uint32_t *scm)
drwl->scheme = scm;
}
static inline int
drwl_stride(unsigned int width)
{
return (((PIXMAN_FORMAT_BPP(PIXMAN_a8r8g8b8) * width + 7) / 8 + 4 - 1) & -4);
}
static void
drwl_prepare_drawing(Drwl *drwl, unsigned int w, unsigned int h,
uint32_t *bits, int stride)
static Img *
drwl_image_create(Drwl *drwl, unsigned int w, unsigned int h, uint32_t *bits)
{
Img *image;
pixman_region32_t clip;
if (!drwl)
return;
drwl->pix = pixman_image_create_bits_no_clear(
PIXMAN_a8r8g8b8, w, h, bits, stride);
image = pixman_image_create_bits_no_clear(
PIXMAN_a8r8g8b8, w, h, bits, w * 4);
if (!image)
return NULL;
pixman_region32_init_rect(&clip, 0, 0, w, h);
pixman_image_set_clip_region32(drwl->pix, &clip);
pixman_image_set_clip_region32(image, &clip);
pixman_region32_fini(&clip);
if (drwl)
drwl_setimage(drwl, image);
return image;
}
static void
@ -164,15 +169,15 @@ drwl_rect(Drwl *drwl,
int filled, int invert)
{
pixman_color_t clr;
if (!drwl || !drwl->scheme || !drwl->pix)
if (!drwl || !drwl->scheme || !drwl->image)
return;
clr = convert_color(drwl->scheme[invert ? ColBg : ColFg]);
if (filled)
pixman_image_fill_rectangles(PIXMAN_OP_SRC, drwl->pix, &clr, 1,
pixman_image_fill_rectangles(PIXMAN_OP_SRC, drwl->image, &clr, 1,
&(pixman_rectangle16_t){x, y, w, h});
else
pixman_image_fill_rectangles(PIXMAN_OP_SRC, drwl->pix, &clr, 4,
pixman_image_fill_rectangles(PIXMAN_OP_SRC, drwl->image, &clr, 4,
(pixman_rectangle16_t[4]){
{ x, y, w, 1 },
{ x, y + h - 1, w, 1 },
@ -195,7 +200,7 @@ drwl_text(Drwl *drwl,
const struct fcft_glyph *glyph, *eg = NULL;
int fcft_subpixel_mode = FCFT_SUBPIXEL_DEFAULT;
if (!drwl || (render && (!drwl->scheme || !w || !drwl->pix)) || !text || !drwl->font)
if (!drwl || (render && (!drwl->scheme || !w || !drwl->image)) || !text || !drwl->font)
return 0;
if (!render) {
@ -245,7 +250,7 @@ drwl_text(Drwl *drwl,
} else {
w -= eg->advance.x;
pixman_image_composite32(
PIXMAN_OP_OVER, fg_pix, eg->pix, drwl->pix, 0, 0, 0, 0,
PIXMAN_OP_OVER, fg_pix, eg->pix, drwl->image, 0, 0, 0, 0,
x + eg->x, ty - eg->y, eg->width, eg->height);
}
}
@ -258,11 +263,11 @@ drwl_text(Drwl *drwl,
if (render && pixman_image_get_format(glyph->pix) == PIXMAN_a8r8g8b8)
/* pre-rendered glyphs (eg. emoji) */
pixman_image_composite32(
PIXMAN_OP_OVER, glyph->pix, NULL, drwl->pix, 0, 0, 0, 0,
PIXMAN_OP_OVER, glyph->pix, NULL, drwl->image, 0, 0, 0, 0,
x + glyph->x, ty - glyph->y, glyph->width, glyph->height);
else if (render)
pixman_image_composite32(
PIXMAN_OP_OVER, fg_pix, glyph->pix, drwl->pix, 0, 0, 0, 0,
PIXMAN_OP_OVER, fg_pix, glyph->pix, drwl->image, 0, 0, 0, 0,
x + glyph->x, ty - glyph->y, glyph->width, glyph->height);
x += glyph->advance.x;
@ -293,13 +298,9 @@ drwl_font_getwidth_clamp(Drwl *drwl, const char *text, unsigned int n)
}
static void
drwl_finish_drawing(Drwl *drwl)
drwl_image_destroy(Img *image)
{
if (!drwl)
return;
if (drwl->pix)
pixman_image_unref(drwl->pix);
drwl->pix = NULL;
pixman_image_unref(image);
}
static void
@ -307,6 +308,8 @@ drwl_destroy(Drwl *drwl)
{
if (drwl->font)
drwl_font_destroy(drwl->font);
if (drwl->image)
drwl_image_destroy(drwl->image);
free(drwl);
}