Differential D16851 Diff 58863 source/blender/editors/gpencil/gpencil_utils.c

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source/blender/editors/gpencil/gpencil_utils.c

Show First 20 Lines • Show All 1,744 Lines • ▼ Show 20 Lines	static void gpencil_brush_cursor_draw(bContext C, int x, int y, void customdata)
Material *ma = NULL;		Material *ma = NULL;
MaterialGPencilStyle *gp_style = NULL;		MaterialGPencilStyle *gp_style = NULL;
float *last_mouse_position = customdata;		float *last_mouse_position = customdata;

/* default radius and color */		/* default radius and color */
float color[3] = {1.0f, 1.0f, 1.0f};		float color[3] = {1.0f, 1.0f, 1.0f};
float darkcolor[3];		float darkcolor[3];
float radius = 3.0f;		float radius = 3.0f;
		bool fixed_radius = true;

const int mval_i[2] = {x, y};		const int mval_i[2] = {x, y};
/* Check if cursor is in drawing region and has valid data-block. */		/* Check if cursor is in drawing region and has valid data-block. */
if (!gpencil_check_cursor_region(C, mval_i) \|\| (gpd == NULL)) {		if (!gpencil_check_cursor_region(C, mval_i) \|\| (gpd == NULL)) {
return;		return;
}		}

/* for paint use paint brush size and color */		/* for paint use paint brush size and color */
Show All 21 Lines	if (gpd->flag & GP_DATA_STROKE_PAINTMODE) {
}		}

/* get current drawing color */		/* get current drawing color */
ma = BKE_gpencil_object_material_from_brush_get(ob, brush);		ma = BKE_gpencil_object_material_from_brush_get(ob, brush);

if (ma) {		if (ma) {
gp_style = ma->gp_style;		gp_style = ma->gp_style;

/* after some testing, display the size of the brush is not practical because		/* Follow user settings for the size of the draw cursor:
* is too disruptive and the size of cursor does not change with zoom factor.		* - Fixed size, or
* The decision was to use a fix size, instead of brush->thickness value.		* - Brush size (i.e. stroke thickness)
*/		*/
if ((gp_style) && GPENCIL_PAINT_MODE(gpd) &&		if ((gp_style) && GPENCIL_PAINT_MODE(gpd) &&
((brush->gpencil_settings->flag & GP_BRUSH_STABILIZE_MOUSE) == 0) &&		((brush->gpencil_settings->flag & GP_BRUSH_STABILIZE_MOUSE) == 0) &&
((brush->gpencil_settings->flag & GP_BRUSH_STABILIZE_MOUSE_TEMP) == 0) &&		((brush->gpencil_settings->flag & GP_BRUSH_STABILIZE_MOUSE_TEMP) == 0) &&
(brush->gpencil_tool == GPAINT_TOOL_DRAW)) {		(brush->gpencil_tool == GPAINT_TOOL_DRAW)) {

		/* Check user setting for cursor size. */
		fixed_radius = ((brush->gpencil_settings->flag & GP_BRUSH_SHOW_DRAW_SIZE) == 0);

		if (fixed_radius) {
		/* Show fixed radius. */
radius = 2.0f;		radius = 2.0f;
copy_v3_v3(color, gp_style->stroke_rgba);		copy_v3_v3(color, gp_style->stroke_rgba);
}		}
else {		else {
		/* Show brush size. */
		tGPspoint point2D;
		float p1[3];
		float p2[3];
		float distance;

		/* Strokes in screen space or world space? */
		if ((gpd->flag & GP_DATA_STROKE_KEEPTHICKNESS) != 0) {
		/* In screen space the cursor radius matches the brush size. */
		radius = (float)brush->size * 0.5f;
		}
		else {
		/* To calculate the brush size in world space, we have to establish the zoom level.
		* For this we take two 2D screen coordinates with a fixed offset,
		* convert them to 3D coordinates and measure the offset distance in 3D.
		* A small distance means a high zoom level. */
		point2D.m_xy[0] = (float)x;
		point2D.m_xy[1] = (float)y;
		gpencil_stroke_convertcoords_tpoint(scene, region, ob, &point2D, NULL, p1);
		point2D.m_xy[0] = (float)(x + 64);
		gpencil_stroke_convertcoords_tpoint(scene, region, ob, &point2D, NULL, p2);
		/* Clip extreme zoom level (and avoid division by zero). */
		distance = MAX2(len_v3v3(p1, p2), 0.001f);

		/* Handle layer thickness change. */
		float brush_size = (float)brush->size;
		bGPDlayer *gpl = BKE_gpencil_layer_active_get(gpd);
		if (gpl != NULL) {
		brush_size = MAX2(1.0f, brush_size + gpl->line_change);
		}

		/* Convert the 3D offset distance to a brush radius. */
		radius = (1 / distance) * 2.0f * gpd->pixfactor * (brush_size / 64);
		}

		copy_v3_v3(color, brush->rgb);
		}
		}
		else {
/* Only Tint tool must show big cursor. */		/* Only Tint tool must show big cursor. */
if (brush->gpencil_tool == GPAINT_TOOL_TINT) {		if (brush->gpencil_tool == GPAINT_TOOL_TINT) {
radius = brush->size;		radius = brush->size;
copy_v3_v3(color, brush->rgb);		copy_v3_v3(color, brush->rgb);
}		}
else {		else {
radius = 5.0f;		radius = 5.0f;
copy_v3_v3(color, brush->add_col);		copy_v3_v3(color, brush->add_col);
▲ Show 20 Lines • Show All 61 Lines • ▼ Show 20 Lines	static void gpencil_brush_cursor_draw(bContext C, int x, int y, void customdata)
uint pos = GPU_vertformat_attr_add(format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);		uint pos = GPU_vertformat_attr_add(format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_3D_UNIFORM_COLOR);		immBindBuiltinProgram(GPU_SHADER_3D_UNIFORM_COLOR);

GPU_line_smooth(true);		GPU_line_smooth(true);
GPU_blend(GPU_BLEND_ALPHA);		GPU_blend(GPU_BLEND_ALPHA);

/* Inner Ring: Color from UI panel */		/* Inner Ring: Color from UI panel */
immUniformColor4f(color[0], color[1], color[2], 0.8f);		immUniformColor4f(color[0], color[1], color[2], 0.8f);
if ((gp_style) && GPENCIL_PAINT_MODE(gpd) &&		if ((gp_style) && GPENCIL_PAINT_MODE(gpd) && (fixed_radius) &&
((brush->gpencil_settings->flag & GP_BRUSH_STABILIZE_MOUSE) == 0) &&		((brush->gpencil_settings->flag & GP_BRUSH_STABILIZE_MOUSE) == 0) &&
((brush->gpencil_settings->flag & GP_BRUSH_STABILIZE_MOUSE_TEMP) == 0) &&		((brush->gpencil_settings->flag & GP_BRUSH_STABILIZE_MOUSE_TEMP) == 0) &&
(brush->gpencil_tool == GPAINT_TOOL_DRAW)) {		(brush->gpencil_tool == GPAINT_TOOL_DRAW)) {
imm_draw_circle_fill_2d(pos, x, y, radius, 40);		imm_draw_circle_fill_2d(pos, x, y, radius, 40);
}		}
else {		else {
imm_draw_circle_wire_2d(pos, x, y, radius, 40);		imm_draw_circle_wire_2d(pos, x, y, radius, 40);
}		}
▲ Show 20 Lines • Show All 1,412 Lines • Show Last 20 Lines