berp.

1 files changed, 0 insertions, 293 deletions

diff --git a/src/libui_sdl/libui/unix/drawtext.c b/src/libui_sdl/libui/unix/drawtext.c
deleted file mode 100644
index 7078e1a..0000000
--- a/src/libui_sdl/libui/unix/drawtext.c
+++ /dev/null
@@ -1,293 +0,0 @@
-// 6 september 2015
-#include "uipriv_unix.h"
-#include "draw.h"
-
-struct uiDrawFontFamilies {
-	PangoFontFamily **f;
-	int n;
-};
-
-uiDrawFontFamilies *uiDrawListFontFamilies(void)
-{
-	uiDrawFontFamilies *ff;
-	PangoFontMap *map;
-
-	ff = uiNew(uiDrawFontFamilies);
-	map = pango_cairo_font_map_get_default();
-	pango_font_map_list_families(map, &(ff->f), &(ff->n));
-	// do not free map; it's a shared resource
-	return ff;
-}
-
-int uiDrawFontFamiliesNumFamilies(uiDrawFontFamilies *ff)
-{
-	return ff->n;
-}
-
-char *uiDrawFontFamiliesFamily(uiDrawFontFamilies *ff, int n)
-{
-	PangoFontFamily *f;
-
-	f = ff->f[n];
-	return uiUnixStrdupText(pango_font_family_get_name(f));
-}
-
-void uiDrawFreeFontFamilies(uiDrawFontFamilies *ff)
-{
-	g_free(ff->f);
-	uiFree(ff);
-}
-
-struct uiDrawTextFont {
-	PangoFont *f;
-};
-
-uiDrawTextFont *mkTextFont(PangoFont *f, gboolean ref)
-{
-	uiDrawTextFont *font;
-
-	font = uiNew(uiDrawTextFont);
-	font->f = f;
-	if (ref)
-		g_object_ref(font->f);
-	return font;
-}
-
-static const PangoWeight pangoWeights[] = {
-	[uiDrawTextWeightThin] = PANGO_WEIGHT_THIN,
-	[uiDrawTextWeightUltraLight] = PANGO_WEIGHT_ULTRALIGHT,
-	[uiDrawTextWeightLight] = PANGO_WEIGHT_LIGHT,
-	[uiDrawTextWeightBook] = PANGO_WEIGHT_BOOK,
-	[uiDrawTextWeightNormal] = PANGO_WEIGHT_NORMAL,
-	[uiDrawTextWeightMedium] = PANGO_WEIGHT_MEDIUM,
-	[uiDrawTextWeightSemiBold] = PANGO_WEIGHT_SEMIBOLD,
-	[uiDrawTextWeightBold] = PANGO_WEIGHT_BOLD,
-	[uiDrawTextWeightUltraBold] = PANGO_WEIGHT_ULTRABOLD,
-	[uiDrawTextWeightHeavy] = PANGO_WEIGHT_HEAVY,
-	[uiDrawTextWeightUltraHeavy] = PANGO_WEIGHT_ULTRAHEAVY,
-};
-
-static const PangoStyle pangoItalics[] = {
-	[uiDrawTextItalicNormal] = PANGO_STYLE_NORMAL,
-	[uiDrawTextItalicOblique] = PANGO_STYLE_OBLIQUE,
-	[uiDrawTextItalicItalic] = PANGO_STYLE_ITALIC,
-};
-
-static const PangoStretch pangoStretches[] = {
-	[uiDrawTextStretchUltraCondensed] = PANGO_STRETCH_ULTRA_CONDENSED,
-	[uiDrawTextStretchExtraCondensed] = PANGO_STRETCH_EXTRA_CONDENSED,
-	[uiDrawTextStretchCondensed] = PANGO_STRETCH_CONDENSED,
-	[uiDrawTextStretchSemiCondensed] = PANGO_STRETCH_SEMI_CONDENSED,
-	[uiDrawTextStretchNormal] = PANGO_STRETCH_NORMAL,
-	[uiDrawTextStretchSemiExpanded] = PANGO_STRETCH_SEMI_EXPANDED,
-	[uiDrawTextStretchExpanded] = PANGO_STRETCH_EXPANDED,
-	[uiDrawTextStretchExtraExpanded] = PANGO_STRETCH_EXTRA_EXPANDED,
-	[uiDrawTextStretchUltraExpanded] = PANGO_STRETCH_ULTRA_EXPANDED,
-};
-
-// we need a context for a few things
-// the documentation suggests creating cairo_t-specific, GdkScreen-specific, or even GtkWidget-specific contexts, but we can't really do that because we want our uiDrawTextFonts and uiDrawTextLayouts to be context-independent
-// we could use pango_font_map_create_context(pango_cairo_font_map_get_default()) but that will ignore GDK-specific settings
-// so let's use gdk_pango_context_get() instead; even though it's for the default screen only, it's good enough for us
-#define mkGenericPangoCairoContext() (gdk_pango_context_get())
-
-PangoFont *pangoDescToPangoFont(PangoFontDescription *pdesc)
-{
-	PangoFont *f;
-	PangoContext *context;
-
-	// in this case, the context is necessary for the metrics to be correct
-	context = mkGenericPangoCairoContext();
-	f = pango_font_map_load_font(pango_cairo_font_map_get_default(), context, pdesc);
-	if (f == NULL) {
-		// LONGTERM
-		g_error("[libui] no match in pangoDescToPangoFont(); report to andlabs");
-	}
-	g_object_unref(context);
-	return f;
-}
-
-uiDrawTextFont *uiDrawLoadClosestFont(const uiDrawTextFontDescriptor *desc)
-{
-	PangoFont *f;
-	PangoFontDescription *pdesc;
-
-	pdesc = pango_font_description_new();
-	pango_font_description_set_family(pdesc,
-		desc->Family);
-	pango_font_description_set_size(pdesc,
-		(gint) (desc->Size * PANGO_SCALE));
-	pango_font_description_set_weight(pdesc,
-		pangoWeights[desc->Weight]);
-	pango_font_description_set_style(pdesc,
-		pangoItalics[desc->Italic]);
-	pango_font_description_set_stretch(pdesc,
-		pangoStretches[desc->Stretch]);
-	f = pangoDescToPangoFont(pdesc);
-	pango_font_description_free(pdesc);
-	return mkTextFont(f, FALSE);			// we hold the initial reference; no need to ref
-}
-
-void uiDrawFreeTextFont(uiDrawTextFont *font)
-{
-	g_object_unref(font->f);
-	uiFree(font);
-}
-
-uintptr_t uiDrawTextFontHandle(uiDrawTextFont *font)
-{
-	return (uintptr_t) (font->f);
-}
-
-void uiDrawTextFontDescribe(uiDrawTextFont *font, uiDrawTextFontDescriptor *desc)
-{
-	PangoFontDescription *pdesc;
-
-	// this creates a copy; we free it later
-	pdesc = pango_font_describe(font->f);
-
-	// TODO
-
-	pango_font_description_free(pdesc);
-}
-
-// See https://developer.gnome.org/pango/1.30/pango-Cairo-Rendering.html#pango-Cairo-Rendering.description
-// Note that we convert to double before dividing to make sure the floating-point stuff is right
-#define pangoToCairo(pango) (((double) (pango)) / PANGO_SCALE)
-#define cairoToPango(cairo) ((gint) ((cairo) * PANGO_SCALE))
-
-void uiDrawTextFontGetMetrics(uiDrawTextFont *font, uiDrawTextFontMetrics *metrics)
-{
-	PangoFontMetrics *pm;
-
-	pm = pango_font_get_metrics(font->f, NULL);
-	metrics->Ascent = pangoToCairo(pango_font_metrics_get_ascent(pm));
-	metrics->Descent = pangoToCairo(pango_font_metrics_get_descent(pm));
-	// Pango doesn't seem to expose this :( Use 0 and hope for the best.
-	metrics->Leading = 0;
-	metrics->UnderlinePos = pangoToCairo(pango_font_metrics_get_underline_position(pm));
-	metrics->UnderlineThickness = pangoToCairo(pango_font_metrics_get_underline_thickness(pm));
-	pango_font_metrics_unref(pm);
-}
-
-// note: PangoCairoLayouts are tied to a given cairo_t, so we can't store one in this device-independent structure
-struct uiDrawTextLayout {
-	char *s;
-	ptrdiff_t *graphemes;
-	PangoFont *defaultFont;
-	double width;
-	PangoAttrList *attrs;
-};
-
-uiDrawTextLayout *uiDrawNewTextLayout(const char *text, uiDrawTextFont *defaultFont, double width)
-{
-	uiDrawTextLayout *layout;
-	PangoContext *context;
-
-	layout = uiNew(uiDrawTextLayout);
-	layout->s = g_strdup(text);
-	context = mkGenericPangoCairoContext();
-	layout->graphemes = graphemes(layout->s, context);
-	g_object_unref(context);
-	layout->defaultFont = defaultFont->f;
-	g_object_ref(layout->defaultFont);		// retain a copy
-	uiDrawTextLayoutSetWidth(layout, width);
-	layout->attrs = pango_attr_list_new();
-	return layout;
-}
-
-void uiDrawFreeTextLayout(uiDrawTextLayout *layout)
-{
-	pango_attr_list_unref(layout->attrs);
-	g_object_unref(layout->defaultFont);
-	uiFree(layout->graphemes);
-	g_free(layout->s);
-	uiFree(layout);
-}
-
-void uiDrawTextLayoutSetWidth(uiDrawTextLayout *layout, double width)
-{
-	layout->width = width;
-}
-
-static void prepareLayout(uiDrawTextLayout *layout, PangoLayout *pl)
-{
-	PangoFontDescription *desc;
-	int width;
-
-	pango_layout_set_text(pl, layout->s, -1);
-
-	// again, this makes a copy
-	desc = pango_font_describe(layout->defaultFont);
-	// this is safe; the description is copied
-	pango_layout_set_font_description(pl, desc);
-	pango_font_description_free(desc);
-
-	width = cairoToPango(layout->width);
-	if (layout->width < 0)
-		width = -1;
-	pango_layout_set_width(pl, width);
-
-	pango_layout_set_attributes(pl, layout->attrs);
-}
-
-void uiDrawTextLayoutExtents(uiDrawTextLayout *layout, double *width, double *height)
-{
-	PangoContext *context;
-	PangoLayout *pl;
-	PangoRectangle logical;
-
-	// in this case, the context is necessary to create the layout
-	// the layout takes a ref on the context so we can unref it afterward
-	context = mkGenericPangoCairoContext();
-	pl = pango_layout_new(context);
-	g_object_unref(context);
-	prepareLayout(layout, pl);
-
-	pango_layout_get_extents(pl, NULL, &logical);
-
-	g_object_unref(pl);
-
-	*width = pangoToCairo(logical.width);
-	*height = pangoToCairo(logical.height);
-}
-
-void uiDrawText(uiDrawContext *c, double x, double y, uiDrawTextLayout *layout)
-{
-	PangoLayout *pl;
-
-	pl = pango_cairo_create_layout(c->cr);
-	prepareLayout(layout, pl);
-
-	cairo_move_to(c->cr, x, y);
-	pango_cairo_show_layout(c->cr, pl);
-
-	g_object_unref(pl);
-}
-
-static void addAttr(uiDrawTextLayout *layout, PangoAttribute *attr, int startChar, int endChar)
-{
-	attr->start_index = layout->graphemes[startChar];
-	attr->end_index = layout->graphemes[endChar];
-	pango_attr_list_insert(layout->attrs, attr);
-	// pango_attr_list_insert() takes attr; we don't free it
-}
-
-void uiDrawTextLayoutSetColor(uiDrawTextLayout *layout, int startChar, int endChar, double r, double g, double b, double a)
-{
-	PangoAttribute *attr;
-	guint16 rr, gg, bb, aa;
-
-	rr = (guint16) (r * 65535);
-	gg = (guint16) (g * 65535);
-	bb = (guint16) (b * 65535);
-	aa = (guint16) (a * 65535);
-
-	attr = pango_attr_foreground_new(rr, gg, bb);
-	addAttr(layout, attr, startChar, endChar);
-
-	// TODO what if aa == 0?
-	attr = FUTURE_pango_attr_foreground_alpha_new(aa);
-	if (attr != NULL)
-		addAttr(layout, attr, startChar, endChar);
-}