norohind/kmscon
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text: bblit: remove unused private data

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The bit-blitting renderer does not really use the helper structure so
remove it and simplify the code a lot.

Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
This commit is contained in:
David Herrmann 2012-08-06 15:44:41 +02:00
parent a7f703f8c1
commit 9ae00680df
1 changed files with 6 additions and 31 deletions
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37
src/text_bblit.c
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@ -28,7 +28,8 @@
* @short_description: Bit-Blitting Text Renderer Backend
* @include: text.h
*
* TODO
* The bit-blitting renderer requires framebuffer access to the output device
* and simply blits the glyphs into the buffer.
*/
#include <errno.h>
@ -44,30 +45,13 @@
#define LOG_SUBSYSTEM "text_bblit"
struct bblit {
unsigned int advance_x;
unsigned int advance_y;
unsigned int base;
};
static int bblit_init(struct kmscon_text *txt)
{
struct bblit *bblit;
bblit = malloc(sizeof(*bblit));
if (!bblit)
return -ENOMEM;
memset(bblit, 0, sizeof(*bblit));
txt->data = bblit;
return 0;
}
static void bblit_destroy(struct kmscon_text *txt)
{
struct bblit *bblit = txt->data;
free(bblit);
}
static void bblit_recalculate_size(struct kmscon_text *txt)
@ -93,7 +77,6 @@ static void bblit_new_font(struct kmscon_text *txt)
static void bblit_new_bgcolor(struct kmscon_text *txt)
{
/* nothing to do here */
}
static void bblit_new_screen(struct kmscon_text *txt)
@ -103,12 +86,6 @@ static void bblit_new_screen(struct kmscon_text *txt)
static void bblit_prepare(struct kmscon_text *txt)
{
struct bblit *bblit = txt->data;
/* precalculate values for glyph positioning */
bblit->advance_x = txt->font->attr.width;
bblit->advance_y = txt->font->attr.height;
bblit->base = bblit->advance_y - txt->font->baseline;
}
static void bblit_draw(struct kmscon_text *txt, kmscon_symbol_t ch,
@ -117,7 +94,6 @@ static void bblit_draw(struct kmscon_text *txt, kmscon_symbol_t ch,
{
const struct kmscon_glyph *glyph;
int ret;
struct bblit *bblit = txt->data;
if (ch == 0 || ch == ' ') {
ret = kmscon_font_render_empty(txt->font, &glyph);
@ -134,14 +110,14 @@ static void bblit_draw(struct kmscon_text *txt, kmscon_symbol_t ch,
/* draw glyph */
if (attr->inverse) {
uterm_screen_blend(txt->screen, &glyph->buf,
posx * bblit->advance_x,
posy * bblit->advance_y,
posx * txt->font->attr.width,
posy * txt->font->attr.height,
attr->br, attr->bg, attr->bb,
attr->fr, attr->fg, attr->fb);
} else {
uterm_screen_blend(txt->screen, &glyph->buf,
posx * bblit->advance_x,
posy * bblit->advance_y,
posx * txt->font->attr.width,
posy * txt->font->attr.height,
attr->fr, attr->fg, attr->fb,
attr->br, attr->bg, attr->bb);
}
@ -149,7 +125,6 @@ static void bblit_draw(struct kmscon_text *txt, kmscon_symbol_t ch,
static void bblit_render(struct kmscon_text *txt)
{
/* nothing to do */
}
static const struct kmscon_text_ops kmscon_text_bblit_ops = {