diff options
| author | Karl Kurbjun <kkurbjun@gmail.com> | 2009-09-02 03:32:50 +0000 |
|---|---|---|
| committer | Karl Kurbjun <kkurbjun@gmail.com> | 2009-09-02 03:32:50 +0000 |
| commit | f0becad4a164f578167e845a446751923007f668 (patch) | |
| tree | 569f1eb32ccb6581e72cc24371dfa30108f4bc6e /apps/plugins | |
| parent | 2111c105c0505d15bc39a1973d20b436450f5d85 (diff) | |
Pictureflow: Add support for vertical strides.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22604 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/plugins')
| -rw-r--r-- | apps/plugins/pictureflow/pictureflow.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/apps/plugins/pictureflow/pictureflow.c b/apps/plugins/pictureflow/pictureflow.c index 52209e60a2..10f9aadd07 100644 --- a/apps/plugins/pictureflow/pictureflow.c +++ b/apps/plugins/pictureflow/pictureflow.c @@ -1730,42 +1730,49 @@ void render_slide(struct slide_data *slide, const int alpha) dy = (CAM_DIST_R + zo + fmul(xs, sinr)) / CAM_DIST; const pix_t *ptr = &src[column * bmp->height]; - const int pixelstep = BUFFER_WIDTH; + +#if defined(LCD_STRIDEFORMAT) && LCD_STRIDEFORMAT == VERTICAL_STRIDE +#define PIXELSTEP_Y 1 +#define LCDADDR(x, y) (&buffer[LCD_HEIGHT*(x) + (y)]) +#else +#define PIXELSTEP_Y BUFFER_WIDTH +#define LCDADDR(x, y) (&buffer[(y)*BUFFER_WIDTH + (x)]) +#endif int p = (bmp->height-1-DISPLAY_OFFS) * PFREAL_ONE; int plim = MAX(0, p - (LCD_HEIGHT/2-1) * dy); - pix_t *pixel = &buffer[((LCD_HEIGHT/2)-1)*BUFFER_WIDTH + x]; + pix_t *pixel = LCDADDR(x, (LCD_HEIGHT/2)-1 ); if (alpha == 256) { while (p >= plim) { *pixel = ptr[((unsigned)p) >> PFREAL_SHIFT]; p -= dy; - pixel -= pixelstep; + pixel -= PIXELSTEP_Y; } } else { while (p >= plim) { *pixel = fade_color(ptr[((unsigned)p) >> PFREAL_SHIFT], alpha); p -= dy; - pixel -= pixelstep; + pixel -= PIXELSTEP_Y; } } p = (bmp->height-DISPLAY_OFFS) * PFREAL_ONE; plim = MIN(sh * PFREAL_ONE, p + (LCD_HEIGHT/2) * dy); int plim2 = MIN(MIN(sh + REFLECT_HEIGHT, sh * 2) * PFREAL_ONE, p + (LCD_HEIGHT/2) * dy); - pixel = &buffer[(LCD_HEIGHT/2)*BUFFER_WIDTH + x]; + pixel = LCDADDR(x, (LCD_HEIGHT/2) ); if (alpha == 256) { while (p < plim) { *pixel = ptr[((unsigned)p) >> PFREAL_SHIFT]; p += dy; - pixel += pixelstep; + pixel += PIXELSTEP_Y; } } else { while (p < plim) { *pixel = fade_color(ptr[((unsigned)p) >> PFREAL_SHIFT], alpha); p += dy; - pixel += pixelstep; + pixel += PIXELSTEP_Y; } } while (p < plim2) { @@ -1773,7 +1780,7 @@ void render_slide(struct slide_data *slide, const int alpha) int lalpha = reftab[ty]; *pixel = fade_color(ptr[sh - 1 - ty], lalpha); p += dy; - pixel += pixelstep; + pixel += PIXELSTEP_Y; } if (zo || slide->angle) @@ -1790,7 +1797,6 @@ void render_slide(struct slide_data *slide, const int alpha) return; } - /** Jump the the given slide_index */ |