Differential D4681 Diff 14722 source/blender/editors/interface/view2d.c

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source/blender/editors/interface/view2d.c

Show First 20 Lines • Show All 1,708 Lines • ▼ Show 20 Lines	void UI_view2d_multi_grid_draw(View2D *v2d, int colorid, float step, int level_size, int totlevels)
immVertex2f(pos, v2d->cur.xmin, 0.0f);		immVertex2f(pos, v2d->cur.xmin, 0.0f);
immAttr3ubv(color, grid_line_color);		immAttr3ubv(color, grid_line_color);
immVertex2f(pos, v2d->cur.xmax, 0.0f);		immVertex2f(pos, v2d->cur.xmax, 0.0f);

immEnd();		immEnd();
immUnbindProgram();		immUnbindProgram();
}		}

		static void get_scale_indicator_text(
		const Scene *scene,
		float value,
		int brevity_level,
		short unit,
		uint max_length,
		char *r_str)
		{
		if (unit == V2D_UNIT_SECONDS) {
		BLI_timecode_string_from_time(r_str, max_length, brevity_level, value / (float)FPS, FPS, U.timecode_style);
		}
		else {
		BLI_timecode_string_from_time_seconds(r_str, max_length, brevity_level, value);
		}
		}

		void UI_view2d_grid_draw_numbers_horizontal(
		const Scene *scene,
		const View2D *v2d,
		const View2DGrid *grid,
		const rcti *rect,
		int unit,
		bool whole_numbers_only)
		{
		BLI_assert(grid);
		float xstep = grid->dx * UI_view2d_scale_get_x(v2d);
		if (xstep <= 0.0f) {
		return;
		}

		float xpos = UI_view2d_view_to_region_x(v2d, grid->startx);
		float ypos = (float)rect->ymin + 2 * UI_DPI_FAC;
		float value = grid->startx;
		float value_step = grid->dx;
		int brevity_level = grid->powerx;

		/* Make sure that the value_step is >= 1 when only whole numbers are displayed.
		* Otherwise the same number could be displayed more than once. */
		if (whole_numbers_only) {
		while (value_step < 0.9999f) {
		xstep *= 2.0f;
		value_step *= 2.0f;
		}
		}

		/* Skip first few steps if they don't intersect
		* the rectangle that will contain the numbers. */
		while (xpos < rect->xmin) {
		xpos += xstep;
		value += value_step;
		}

		if (unit == V2D_UNIT_FRAMES) {
		brevity_level = 1;
		}

		const int font_id = BLF_default();
		UI_FontThemeColor(font_id, TH_TEXT);

		BLF_batch_draw_begin();

		for (; xpos < rect->xmax; xpos += xstep, value += value_step) {
		char text[32];
		get_scale_indicator_text(scene, value, brevity_level, unit, sizeof(text), text);
		float text_width = BLF_width(font_id, text, strlen(text));
		BLF_draw_default_ascii(xpos - text_width / 2.0f, ypos, 0.0f, text, sizeof(text));
		}

		BLF_batch_draw_end();
		}

		void UI_view2d_grid_draw_numbers_vertical(
		const Scene *scene,
		const View2D *v2d,
		const View2DGrid *grid,
		const rcti *rect,
		int unit,
		float text_offset)
		{
		BLI_assert(grid);
		float ystep = grid->dy * UI_view2d_scale_get_y(v2d);
		if (ystep <= 0.0f) {
		return;
		}

		const int font_id = BLF_default();
		UI_FontThemeColor(font_id, TH_TEXT);

		BLF_enable(font_id, BLF_ROTATION);
		BLF_rotation(font_id, M_PI_2);

		float value = grid->starty;
		float value_step = grid->dy;
		float xpos = rect->xmax - 2.0f * UI_DPI_FAC;
		float ypos = UI_view2d_view_to_region_y(v2d, grid->starty);

		/* Currently only used by the sequencer to display
		* channel numbers in the center. */
		ypos += text_offset * ystep;

		/* Skip first few steps if they don't intersect
		* the rectangle that will contain the numbers. */
		while (ypos < rect->ymin) {
		ypos += ystep;
		value += value_step;
		}

		for (; ypos < rect->ymax; ypos += ystep, value += value_step) {
		char text[32];
		get_scale_indicator_text(scene, value, grid->powery, unit, sizeof(text), text);
		float text_width = BLF_width(font_id, text, sizeof(text));
		BLF_draw_default_ascii(xpos, ypos - text_width / 2.0f, 0.0f, text, sizeof(text));
		}

		BLF_disable(font_id, BLF_ROTATION);
		}

/* the price we pay for not exposting structs :( */		/* the price we pay for not exposting structs :( */
void UI_view2d_grid_size(View2DGrid grid, float r_dx, float *r_dy)		void UI_view2d_grid_size(View2DGrid grid, float r_dx, float *r_dy)
{		{
*r_dx = grid->dx;		*r_dx = grid->dx;
*r_dy = grid->dy;		*r_dy = grid->dy;
}		}

/* free temporary memory used for drawing grid */		/* free temporary memory used for drawing grid */
▲ Show 20 Lines • Show All 174 Lines • ▼ Show 20 Lines	scrollers->grid = UI_view2d_grid_calc(
xunits, xclamp, yunits, yclamp,		xunits, xclamp, yunits, yclamp,
BLI_rcti_size_x(&hor), BLI_rcti_size_y(&vert));		BLI_rcti_size_x(&hor), BLI_rcti_size_y(&vert));
}		}

/* return scrollers */		/* return scrollers */
return scrollers;		return scrollers;
}		}

/* Print scale marking along a time scrollbar */
static void scroll_printstr(Scene *scene, float x, float y, float val, int power, short unit, char dir)
{
int len;
char timecode_str[32];

/* adjust the scale unit to work ok */
if (dir == 'v') {
/* here we bump up the power by factor of 10, as
* rotation values (hence 'degrees') are divided by 10 to
* be able to show the curves at the same time
*/
if (ELEM(unit, V2D_UNIT_DEGREES, V2D_UNIT_TIME)) {
power += 1;
val *= 10;
}
}

/* get string to print */
if (unit == V2D_UNIT_SECONDS) {
/* not neces*/
BLI_timecode_string_from_time(timecode_str, sizeof(timecode_str), power, val, FPS, U.timecode_style);
}
else {
BLI_timecode_string_from_time_seconds(timecode_str, sizeof(timecode_str), power, val);
}

/* get length of string,
* and adjust printing location to fit it into the horizontal scrollbar */
len = strlen(timecode_str);
if (dir == 'h') {
/* seconds/timecode display has slightly longer strings... */
if (unit == V2D_UNIT_SECONDS) {
x -= 3 * len;
}
else {
x -= 4 * len;
}
}

/* Add degree sympbol to end of string for vertical scrollbar? */
if ((dir == 'v') && (unit == V2D_UNIT_DEGREES)) {
timecode_str[len] = 186;
timecode_str[len + 1] = 0;
}

/* draw it */
BLF_draw_default_ascii(x, y, 0.0f, timecode_str, sizeof(timecode_str));
}

/* Draw scrollbars in the given 2d-region */		/* Draw scrollbars in the given 2d-region */
void UI_view2d_scrollers_draw(const bContext C, View2D v2d, View2DScrollers *vs)		void UI_view2d_scrollers_draw(const bContext C, View2D v2d, View2DScrollers *vs)
{		{
bTheme *btheme = UI_GetTheme();		bTheme *btheme = UI_GetTheme();
Scene *scene = CTX_data_scene(C);
rcti vert, hor;		rcti vert, hor;
const int scroll = view2d_scroll_mapped(v2d->scroll);		const int scroll = view2d_scroll_mapped(v2d->scroll);
const char emboss_alpha = btheme->tui.widget_emboss[3];		const char emboss_alpha = btheme->tui.widget_emboss[3];
uchar scrollers_back_color[4];		uchar scrollers_back_color[4];

/* Color for scrollbar backs */		/* Color for scrollbar backs */
UI_GetThemeColor4ubv(TH_BACK, scrollers_back_color);		UI_GetThemeColor4ubv(TH_BACK, scrollers_back_color);

Show All 31 Lines	if ((v2d->keepzoom & V2D_LOCKZOOM_X) == 0 &&
(v2d->scroll & V2D_SCROLL_SCALE_HORIZONTAL) &&		(v2d->scroll & V2D_SCROLL_SCALE_HORIZONTAL) &&
(BLI_rcti_size_x(&slider) > V2D_SCROLLER_HANDLE_SIZE))		(BLI_rcti_size_x(&slider) > V2D_SCROLLER_HANDLE_SIZE))
{		{
state \|= UI_SCROLL_ARROWS;		state \|= UI_SCROLL_ARROWS;
}		}

UI_draw_widget_scroll(&wcol, &hor, &slider, state);		UI_draw_widget_scroll(&wcol, &hor, &slider, state);

/* scale indicators */		{
if ((scroll & V2D_SCROLL_SCALE_HORIZONTAL) && (vs->grid)) {		if (scroll & V2D_SCROLL_SCALE_HORIZONTAL) {
const int font_id = BLF_default();		UI_view2d_grid_draw_numbers_horizontal(
View2DGrid *grid = vs->grid;		CTX_data_scene(C), v2d, vs->grid, &vs->hor, vs->xunits, vs->xclamp == V2D_GRID_CLAMP);
float fac, dfac, fac2, val;

/* the numbers: convert grid->startx and -dx to scroll coordinates
* - fac is x-coordinate to draw to
* - dfac is gap between scale markings
*/
fac = (grid->startx - v2d->cur.xmin) / BLI_rctf_size_x(&v2d->cur);
fac = (float)hor.xmin + fac * BLI_rcti_size_x(&hor);

dfac = grid->dx / BLI_rctf_size_x(&v2d->cur);
dfac = dfac * BLI_rcti_size_x(&hor);

/* set starting value, and text color */
UI_FontThemeColor(font_id, TH_TEXT);
val = grid->startx;

/* if we're clamping to whole numbers only, make sure entries won't be repeated */
if (vs->xclamp == V2D_GRID_CLAMP) {
while (grid->dx < 0.9999f) {
grid->dx *= 2.0f;
dfac *= 2.0f;
}
}
if (vs->xunits == V2D_UNIT_FRAMES) {
grid->powerx = 1;
}

/* draw numbers in the appropriate range */
if (dfac > 0.0f) {
float h = 0.1f * UI_UNIT_Y + (float)(hor.ymin);

BLF_batch_draw_begin();

for (; fac < hor.xmax - 0.5f * U.widget_unit; fac += dfac, val += grid->dx) {

/* make prints look nicer for scrollers */
if (fac < hor.xmin + 0.5f * U.widget_unit) {
continue;
}

switch (vs->xunits) {
case V2D_UNIT_FRAMES: /* frames (as whole numbers)*/
scroll_printstr(scene, fac, h, val, grid->powerx, V2D_UNIT_FRAMES, 'h');
break;

case V2D_UNIT_FRAMESCALE: /* frames (not always as whole numbers) */
scroll_printstr(scene, fac, h, val, grid->powerx, V2D_UNIT_FRAMESCALE, 'h');
break;

case V2D_UNIT_SECONDS: /* seconds */
fac2 = val / (float)FPS;
scroll_printstr(scene, fac, h, fac2, grid->powerx, V2D_UNIT_SECONDS, 'h');
break;

case V2D_UNIT_DEGREES: /* Graph Editor for rotation Drivers */
/* HACK: although we're drawing horizontal,
* we make this draw as 'vertical', just to get degree signs */
scroll_printstr(scene, fac, h, val, grid->powerx, V2D_UNIT_DEGREES, 'v');
break;
}
}

BLF_batch_draw_end();
}		}
}		}
}		}

/* vertical scrollbar */		/* vertical scrollbar */
if (scroll & V2D_SCROLL_VERTICAL) {		if (scroll & V2D_SCROLL_VERTICAL) {
uiWidgetColors wcol = btheme->tui.wcol_scroll;		uiWidgetColors wcol = btheme->tui.wcol_scroll;
rcti slider;		rcti slider;
Show All 23 Lines	if ((v2d->keepzoom & V2D_LOCKZOOM_Y) == 0 &&
(v2d->scroll & V2D_SCROLL_SCALE_VERTICAL) &&		(v2d->scroll & V2D_SCROLL_SCALE_VERTICAL) &&
(BLI_rcti_size_y(&slider) > V2D_SCROLLER_HANDLE_SIZE))		(BLI_rcti_size_y(&slider) > V2D_SCROLLER_HANDLE_SIZE))
{		{
state \|= UI_SCROLL_ARROWS;		state \|= UI_SCROLL_ARROWS;
}		}

UI_draw_widget_scroll(&wcol, &vert, &slider, state);		UI_draw_widget_scroll(&wcol, &vert, &slider, state);

		{
/* scale indiators */		if (scroll & V2D_SCROLL_SCALE_VERTICAL) {
if ((scroll & V2D_SCROLL_SCALE_VERTICAL) && (vs->grid)) {		float text_offset = 0.0f;
View2DGrid *grid = vs->grid;		if (vs->yclamp & V2D_GRID_CLAMP) {
float fac, dfac, val;		text_offset = 0.5f;

/* the numbers: convert grid->starty and dy to scroll coordinates
* - fac is y-coordinate to draw to
* - dfac is gap between scale markings
* - these involve a correction for horizontal scrollbar
* NOTE: it's assumed that that scrollbar is there if this is involved!
*/
fac = (grid->starty - v2d->cur.ymin) / BLI_rctf_size_y(&v2d->cur);
fac = vert.ymin + fac * BLI_rcti_size_y(&vert);

dfac = grid->dy / BLI_rctf_size_y(&v2d->cur);
dfac = dfac * BLI_rcti_size_y(&vert);

/* set starting value, and text color */
const int font_id = BLF_default();
UI_FontThemeColor(font_id, TH_TEXT);
val = grid->starty;

/* if vertical clamping (to whole numbers) is used (i.e. in Sequencer),
* apply correction */
if (vs->yclamp == V2D_GRID_CLAMP) {
fac += 0.5f * dfac;
}

/* draw vertical steps */
if (dfac > 0.0f) {
BLF_rotation(font_id, M_PI_2);
BLF_enable(font_id, BLF_ROTATION);

for (; fac < vert.ymax - 10; fac += dfac, val += grid->dy) {

/* make prints look nicer for scrollers */
if (fac < vert.ymin + 10) {
continue;
}

scroll_printstr(scene, (float)(vert.xmax) - 2.0f, fac, val, grid->powery, vs->yunits, 'v');
}		}
		UI_view2d_grid_draw_numbers_vertical(
BLF_disable(font_id, BLF_ROTATION);		CTX_data_scene(C), v2d, vs->grid, &vs->vert, vs->yunits, text_offset);
}		}
}		}
}		}

/* Was changed above, so reset. */		/* Was changed above, so reset. */
btheme->tui.widget_emboss[3] = emboss_alpha;		btheme->tui.widget_emboss[3] = emboss_alpha;
}		}

▲ Show 20 Lines • Show All 346 Lines • ▼ Show 20 Lines
* Is used to inverse correct drawing of icons, etc. that need to follow view		* Is used to inverse correct drawing of icons, etc. that need to follow view
* but not be affected by scale		* but not be affected by scale
*		*
* \param r_x, r_y: scale on each axis		* \param r_x, r_y: scale on each axis
*/		*/
void UI_view2d_scale_get(View2D v2d, float r_x, float *r_y)		void UI_view2d_scale_get(View2D v2d, float r_x, float *r_y)
{		{
if (r_x) {		if (r_x) {
*r_x = BLI_rcti_size_x(&v2d->mask) / BLI_rctf_size_x(&v2d->cur);		*r_x = UI_view2d_scale_get_x(v2d);
}		}
if (r_y) {		if (r_y) {
*r_y = BLI_rcti_size_y(&v2d->mask) / BLI_rctf_size_y(&v2d->cur);		*r_y = UI_view2d_scale_get_y(v2d);
		}
}		}
		float UI_view2d_scale_get_x(const View2D *v2d)
		{
		return BLI_rcti_size_x(&v2d->mask) / BLI_rctf_size_x(&v2d->cur);
		}
		float UI_view2d_scale_get_y(const View2D *v2d)
		{
		return BLI_rcti_size_y(&v2d->mask) / BLI_rctf_size_y(&v2d->cur);
}		}
/**		/**
* Same as ``UI_view2d_scale_get() - 1.0f / x, y``		* Same as ``UI_view2d_scale_get() - 1.0f / x, y``
*/		*/
void UI_view2d_scale_get_inverse(View2D v2d, float r_x, float *r_y)		void UI_view2d_scale_get_inverse(View2D v2d, float r_x, float *r_y)
{		{
if (r_x) {		if (r_x) {
*r_x = BLI_rctf_size_x(&v2d->cur) / BLI_rcti_size_x(&v2d->mask);		*r_x = BLI_rctf_size_x(&v2d->cur) / BLI_rcti_size_x(&v2d->mask);
▲ Show 20 Lines • Show All 235 Lines • Show Last 20 Lines