Commit: 65fae40b104318080b64c9ff20623dcaac75aa65
Parent: 0dcf930485520ceb00687aef4cff0c8ad2432572
Author: Randy Palamar
Date: Sat, 27 Jul 2024 15:03:57 -0600
draw sliders to a render texture
Diffstat:
| M | colourpicker.c | | | 111 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++---------------------- |
1 file changed, 80 insertions(+), 31 deletions(-)
diff --git a/colourpicker.c b/colourpicker.c
@@ -143,7 +143,7 @@ get_slider_subrects(Rect r, Rect *label, Rect *slider, Rect *value)
}
static void
-do_slider(ColourPickerCtx *ctx, Rect r, i32 label_idx)
+do_slider(ColourPickerCtx *ctx, Rect r, i32 label_idx, v2 relative_origin)
{
static i32 held_idx = -1;
@@ -154,7 +154,10 @@ do_slider(ColourPickerCtx *ctx, Rect r, i32 label_idx)
v2 fpos = center_align_text_in_rect(lr, label, ctx->font, ctx->font_size);
DrawTextEx(ctx->font, label, fpos.rv, ctx->font_size, 0, ctx->fg);
- b32 hovering = CheckCollisionPointRec(ctx->mouse_pos.rv, sr.rr);
+ v2 test_pos = ctx->mouse_pos;
+ test_pos.x -= relative_origin.x;
+ test_pos.y -= relative_origin.y;
+ b32 hovering = CheckCollisionPointRec(test_pos.rv, sr.rr);
if (hovering && held_idx == -1)
held_idx = label_idx;
@@ -251,14 +254,17 @@ do_slider(ColourPickerCtx *ctx, Rect r, i32 label_idx)
}
static void
-do_status_bar(ColourPickerCtx *ctx, Rect r)
+do_status_bar(ColourPickerCtx *ctx, Rect r, v2 relative_origin)
{
Rect hex_r = cut_rect_left(r, 0.5);
Rect mode_r = cut_rect_right(r, 0.85);
mode_r.pos.y += mode_r.size.h * 0.15;
mode_r.size.h *= 0.7;
- b32 mode_collides = CheckCollisionPointRec(ctx->mouse_pos.rv, mode_r.rr);
+ v2 test_pos = ctx->mouse_pos;
+ test_pos.x -= relative_origin.x;
+ test_pos.y -= relative_origin.y;
+ b32 mode_collides = CheckCollisionPointRec(test_pos.rv, mode_r.rr);
if (mode_collides) {
if (IsMouseButtonPressed(MOUSE_BUTTON_LEFT)) {
switch (ctx->colour_mode++) {
@@ -293,7 +299,7 @@ do_status_bar(ColourPickerCtx *ctx, Rect r)
Rect label_r = cut_rect_left(hex_r, label_size.x / hex_r.size.w);
hex_r = cut_rect_right(hex_r, label_size.x / hex_r.size.w);
- i32 hex_collides = CheckCollisionPointRec(ctx->mouse_pos.rv, hex_r.rr);
+ i32 hex_collides = CheckCollisionPointRec(test_pos.rv, hex_r.rr);
if (hex_collides && IsMouseButtonPressed(MOUSE_BUTTON_RIGHT)) {
const char *new = TextToLower(GetClipboardText());
u32 r, g, b, a;
@@ -549,20 +555,21 @@ do_colour_selector(ColourPickerCtx *ctx, Rect r)
}
static void
-do_slider_mode(ColourPickerCtx *ctx, Rect r)
+do_slider_mode(ColourPickerCtx *ctx, v2 relative_origin)
{
- Rect sb = r;
-
- r.size.h *= 0.15;
- f32 y_pad = 0.525 * r.size.h;
-
- sb.size.h *= 0.1;
- r.pos.y += 1.2 * sb.size.h;
- do_status_bar(ctx, sb);
+ Rect tr = {
+ .size = {
+ .w = ctx->picker_texture.texture.width,
+ .h = ctx->picker_texture.texture.height
+ }
+ };
+ Rect sb = tr;
+ Rect ss = tr;
+ ss.size.h *= 0.15;
if (ctx->flags & CPF_REFILL_TEXTURE) {
Rect sr;
- get_slider_subrects(r, 0, &sr, 0);
+ get_slider_subrects(ss, 0, &sr, 0);
if (ctx->hsv_texture.texture.width != (i32)(sr.size.w + 0.5)) {
i32 w = sr.size.w + 0.5;
i32 h = sr.size.h * 3;
@@ -574,22 +581,26 @@ do_slider_mode(ColourPickerCtx *ctx, Rect r)
ctx->flags &= ~CPF_REFILL_TEXTURE;
}
+ BeginTextureMode(ctx->slider_texture);
+ ClearBackground(ctx->bg);
+
+ sb.size.h *= 0.1;
+ do_status_bar(ctx, sb, relative_origin);
+
+ ss.pos.y += 1.2 * sb.size.h;
+ f32 y_pad = 0.525 * ss.size.h;
+
for (i32 i = 0; i < 4; i++) {
- do_slider(ctx, r, i);
- r.pos.y += r.size.h + y_pad;
+ do_slider(ctx, ss, i, relative_origin);
+ ss.pos.y += ss.size.h + y_pad;
}
+
+ EndTextureMode();
}
static void
-do_picker_mode(ColourPickerCtx *ctx, Rect r)
+do_picker_mode(ColourPickerCtx *ctx)
{
- if (ctx->picker_texture.texture.width != (i32)(r.size.w)) {
- i32 w = r.size.w;
- i32 h = r.size.h;
- UnloadRenderTexture(ctx->picker_texture);
- ctx->picker_texture = LoadRenderTexture(w, h);
- }
-
if (!IsShaderReady(ctx->picker_shader)) {
/* TODO: LoadShaderFromMemory */
ctx->picker_shader = LoadShader(0, "./picker_shader.glsl");
@@ -703,8 +714,6 @@ do_picker_mode(ColourPickerCtx *ctx, Rect r)
DrawCircleV(cpos.rv, 6, BLACK);
EndTextureMode();
-
- DrawTextureV(ctx->picker_texture.texture, r.pos.rv, WHITE);
}
DEBUG_EXPORT void
@@ -732,14 +741,54 @@ do_colour_picker(ColourPickerCtx *ctx)
};
+
+
Rect ma = cut_rect_left(upper, 0.8);
Rect sa = cut_rect_right(upper, 0.8);
do_colour_stack(ctx, sa);
- switch (ctx->mode) {
- case CPM_SLIDERS: do_slider_mode(ctx, ma); break;
- case CPM_PICKER: do_picker_mode(ctx, ma); break;
- case CPM_LAST: ASSERT(0); break;
+ {
+ if (ctx->picker_texture.texture.width != (i32)(ma.size.w)) {
+ i32 w = ma.size.w;
+ i32 h = ma.size.h;
+ UnloadRenderTexture(ctx->picker_texture);
+ ctx->picker_texture = LoadRenderTexture(w, h);
+ if (ctx->mode != CPM_PICKER)
+ do_picker_mode(ctx);
+ }
+
+ if (ctx->slider_texture.texture.width != (i32)(ma.size.w)) {
+ i32 w = ma.size.w;
+ i32 h = ma.size.h;
+ UnloadRenderTexture(ctx->slider_texture);
+ ctx->slider_texture = LoadRenderTexture(w, h);
+ if (ctx->mode != CPM_SLIDERS)
+ do_slider_mode(ctx, ma.pos);
+ }
+ }
+
+ {
+ Rect tr = {0};
+ NPatchInfo tnp;
+ switch (ctx->mode) {
+ case CPM_SLIDERS:
+ do_slider_mode(ctx, ma.pos);
+ tr.size = (v2){
+ .w = ctx->slider_texture.texture.width,
+ .h = -ctx->slider_texture.texture.height
+ };
+ tnp = (NPatchInfo){ tr.rr, 0, 0, 0, 0, NPATCH_NINE_PATCH };
+ DrawTextureNPatch(ctx->slider_texture.texture, tnp, ma.rr, (Vector2){0},
+ 0, WHITE);
+ break;
+ case CPM_PICKER:
+ do_picker_mode(ctx);
+ DrawTextureV(ctx->picker_texture.texture, ma.pos.rv, WHITE);
+ break;
+ case CPM_LAST:
+ ASSERT(0);
+ break;
+ }
}
{