diff options
Diffstat (limited to 'source/blender/blenkernel/intern/seqeffects.c')
-rw-r--r-- | source/blender/blenkernel/intern/seqeffects.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/seqeffects.c b/source/blender/blenkernel/intern/seqeffects.c index f8608ce9406..2d1ea536b27 100644 --- a/source/blender/blenkernel/intern/seqeffects.c +++ b/source/blender/blenkernel/intern/seqeffects.c @@ -38,6 +38,7 @@ #include "BLI_math.h" /* windows needs for M_PI */ #include "BLI_utildefines.h" +#include "BLI_string.h" #include "DNA_scene_types.h" #include "DNA_sequence_types.h" @@ -54,6 +55,8 @@ #include "RE_pipeline.h" +#include "BLF_api.h" + static void slice_get_byte_buffers(const SeqRenderData *context, const ImBuf *ibuf1, const ImBuf *ibuf2, const ImBuf *ibuf3, const ImBuf *out, int start_line, unsigned char **rect1, unsigned char **rect2, unsigned char **rect3, unsigned char **rect_out) @@ -2876,6 +2879,82 @@ static void do_gaussian_blur_effect(const SeqRenderData *context, } } +/*********************** text *************************/ +static void init_text_effect(Sequence *seq) +{ + TextVars *data; + + if (seq->effectdata) + MEM_freeN(seq->effectdata); + + data = seq->effectdata = MEM_callocN(sizeof(TextVars), "textvars"); + data->text_size = U.pixelsize * 30; + BLI_strncpy(data->text, "Text", sizeof(data->text)); +} + +static int num_inputs_text(void) +{ + return 0; +} + +static int early_out_text(Sequence *seq, float UNUSED(facf0), float UNUSED(facf1)) +{ + TextVars *data = seq->effectdata; + if (data->text[0] == 0 || data->text_size < 1) { + return EARLY_USE_INPUT_1; + } + return EARLY_NO_INPUT; +} + +static ImBuf *do_text_effect(const SeqRenderData *context, Sequence *seq, float UNUSED(cfra), float UNUSED(facf0), float UNUSED(facf1), + ImBuf *ibuf1, ImBuf *ibuf2, ImBuf *ibuf3) +{ + ImBuf *out = prepare_effect_imbufs(context, ibuf1, ibuf2, ibuf3); + TextVars *data = seq->effectdata; + int width = out->x; + int height = out->y; + struct ColorManagedDisplay *display; + const char *display_device; + const int mono = blf_mono_font_render; // XXX + int y_ofs, x, y, w; + + display_device = context->scene->display_settings.display_device; + display = IMB_colormanagement_display_get_named(display_device); + + /* set before return */ + BLF_size(mono, (context->scene->r.size / 100.0f) * data->text_size, 72); + + BLF_buffer(mono, out->rect_float, (unsigned char *)out->rect, width, height, out->channels, display); + + y_ofs = -BLF_descender(mono); + + w = BLF_width(mono, data->text, sizeof(data->text)); + + if (data->flags & TEXT_SEQ_AUTO_CENTER) + x = width / 2 - w / 2; + else + x = (context->scene->r.size / 100.0f) * data->xpos; + + y = y_ofs + (context->scene->r.size / 100.0f) * data->ypos; + + /* BLF_SHADOW won't work with buffers, instead use cheap shadow trick */ + if (data->flags & TEXT_SEQ_SHADOW) { + int fontx, fonty; + fontx = BLF_width_max(mono); + fonty = BLF_height_max(mono); + BLF_position(mono, x + max_ii(fontx / 25, 1), y + max_ii(fonty / 25, 1), 0.0); + BLF_buffer_col(mono, 0.0f, 0.0f, 0.0f, 1.0); + BLF_draw_buffer(mono, data->text); + } + BLF_position(mono, x, y, 0.0); + BLF_buffer_col(mono, 1.0f, 1.0f, 1.0f, 1.0); + BLF_draw_buffer(mono, data->text); + + BLF_buffer(mono, NULL, NULL, 0, 0, 0, NULL); + + return out; +} + /*********************** sequence effect factory *************************/ static void init_noop(Sequence *UNUSED(seq)) @@ -2898,6 +2977,19 @@ static int num_inputs_default(void) return 2; } +static void copy_effect_default(Sequence *dst, Sequence *src) +{ + dst->effectdata = MEM_dupallocN(src->effectdata); +} + +static void free_effect_default(Sequence *seq) +{ + if (seq->effectdata) + MEM_freeN(seq->effectdata); + + seq->effectdata = NULL; +} + static int early_out_noop(Sequence *UNUSED(seq), float UNUSED(facf0), float UNUSED(facf1)) { return EARLY_DO_EFFECT; @@ -3073,6 +3165,14 @@ static struct SeqEffectHandle get_sequence_effect_impl(int seq_type) rval.early_out = early_out_gaussian_blur; rval.execute_slice = do_gaussian_blur_effect; break; + case SEQ_TYPE_TEXT: + rval.num_inputs = num_inputs_text; + rval.init = init_text_effect; + rval.free = free_effect_default; + rval.copy = copy_effect_default; + rval.early_out = early_out_text; + rval.execute = do_text_effect; + break; } return rval; |