Move qt-ui to desktop-widgets

Since we have now destkop and mobile versions, 'qt-ui' was a very
poor name choice for a folder that contains only destkop-enabled
widgets.

Also, move the graphicsview-common.h/cpp to subsurface-core because
it doesn't depend on qgraphicsview, it merely implements all the
colors that we use throughout Subsurface, and we will use colors on both
desktop and mobile versions

Same thing applies for metrics.h/cpp

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

5 files changed, 257 insertions, 0 deletions

diff --git a/subsurface-core/CMakeLists.txt b/subsurface-core/CMakeLists.txt
index e7f531527..60efb7d92 100644
--- a/subsurface-core/CMakeLists.txt
+++ b/subsurface-core/CMakeLists.txt
@@ -70,6 +70,8 @@ set(SUBSURFACE_CORE_LIB_SRCS
 	divelogexportlogic.cpp
 	qt-init.cpp
 	qtserialbluetooth.cpp
+	metrics.cpp
+	color.cpp
 	${SERIAL_FTDI}
 	${PLATFORM_SRC}
 	${BT_CORE_SRC_FILES}
diff --git a/subsurface-core/color.cpp b/subsurface-core/color.cpp
new file mode 100644
index 000000000..cf6f43916
--- /dev/null
+++ b/subsurface-core/color.cpp
@@ -0,0 +1,88 @@
+#include "color.h"
+
+QMap<color_indice_t, QVector<QColor> > profile_color;
+
+void fill_profile_color()
+{
+#define COLOR(x, y, z) QVector<QColor>() << x << y << z;
+	profile_color[SAC_1] = COLOR(FUNGREEN1, BLACK1_LOW_TRANS, FUNGREEN1);
+	profile_color[SAC_2] = COLOR(APPLE1, BLACK1_LOW_TRANS, APPLE1);
+	profile_color[SAC_3] = COLOR(ATLANTIS1, BLACK1_LOW_TRANS, ATLANTIS1);
+	profile_color[SAC_4] = COLOR(ATLANTIS2, BLACK1_LOW_TRANS, ATLANTIS2);
+	profile_color[SAC_5] = COLOR(EARLSGREEN1, BLACK1_LOW_TRANS, EARLSGREEN1);
+	profile_color[SAC_6] = COLOR(HOKEYPOKEY1, BLACK1_LOW_TRANS, HOKEYPOKEY1);
+	profile_color[SAC_7] = COLOR(TUSCANY1, BLACK1_LOW_TRANS, TUSCANY1);
+	profile_color[SAC_8] = COLOR(CINNABAR1, BLACK1_LOW_TRANS, CINNABAR1);
+	profile_color[SAC_9] = COLOR(REDORANGE1, BLACK1_LOW_TRANS, REDORANGE1);
+
+	profile_color[VELO_STABLE] = COLOR(CAMARONE1, BLACK1_LOW_TRANS, CAMARONE1);
+	profile_color[VELO_SLOW] = COLOR(LIMENADE1, BLACK1_LOW_TRANS, LIMENADE1);
+	profile_color[VELO_MODERATE] = COLOR(RIOGRANDE1, BLACK1_LOW_TRANS, RIOGRANDE1);
+	profile_color[VELO_FAST] = COLOR(PIRATEGOLD1, BLACK1_LOW_TRANS, PIRATEGOLD1);
+	profile_color[VELO_CRAZY] = COLOR(RED1, BLACK1_LOW_TRANS, RED1);
+
+	profile_color[PO2] = COLOR(APPLE1, BLACK1_LOW_TRANS, APPLE1);
+	profile_color[PO2_ALERT] = COLOR(RED1, BLACK1_LOW_TRANS, RED1);
+	profile_color[PN2] = COLOR(BLACK1_LOW_TRANS, BLACK1_LOW_TRANS, BLACK1_LOW_TRANS);
+	profile_color[PN2_ALERT] = COLOR(RED1, BLACK1_LOW_TRANS, RED1);
+	profile_color[PHE] = COLOR(PEANUT, BLACK1_LOW_TRANS, PEANUT);
+	profile_color[PHE_ALERT] = COLOR(RED1, BLACK1_LOW_TRANS, RED1);
+	profile_color[O2SETPOINT] = COLOR(RED1, BLACK1_LOW_TRANS, RED1);
+	profile_color[CCRSENSOR1] = COLOR(TUNDORA1_MED_TRANS, BLACK1_LOW_TRANS, TUNDORA1_MED_TRANS);
+	profile_color[CCRSENSOR2] = COLOR(ROYALBLUE2_LOW_TRANS, BLACK1_LOW_TRANS, ROYALBLUE2_LOW_TRANS);
+	profile_color[CCRSENSOR3] = COLOR(PEANUT, BLACK1_LOW_TRANS, PEANUT);
+	profile_color[PP_LINES] = COLOR(BLACK1_HIGH_TRANS, BLACK1_LOW_TRANS, BLACK1_HIGH_TRANS);
+
+	profile_color[TEXT_BACKGROUND] = COLOR(CONCRETE1_LOWER_TRANS, WHITE1, CONCRETE1_LOWER_TRANS);
+	profile_color[ALERT_BG] = COLOR(BROOM1_LOWER_TRANS, BLACK1_LOW_TRANS, BROOM1_LOWER_TRANS);
+	profile_color[ALERT_FG] = COLOR(BLACK1_LOW_TRANS, WHITE1, BLACK1_LOW_TRANS);
+	profile_color[EVENTS] = COLOR(REDORANGE1, BLACK1_LOW_TRANS, REDORANGE1);
+	profile_color[SAMPLE_DEEP] = COLOR(QColor(Qt::red).darker(), BLACK1, PERSIANRED1);
+	profile_color[SAMPLE_SHALLOW] = COLOR(QColor(Qt::red).lighter(), BLACK1_LOW_TRANS, PERSIANRED1);
+	profile_color[SMOOTHED] = COLOR(REDORANGE1_HIGH_TRANS, BLACK1_LOW_TRANS, REDORANGE1_HIGH_TRANS);
+	profile_color[MINUTE] = COLOR(MEDIUMREDVIOLET1_HIGHER_TRANS, BLACK1_LOW_TRANS, MEDIUMREDVIOLET1_HIGHER_TRANS);
+	profile_color[TIME_GRID] = COLOR(WHITE1, BLACK1_HIGH_TRANS, TUNDORA1_MED_TRANS);
+	profile_color[TIME_TEXT] = COLOR(FORESTGREEN1, BLACK1, FORESTGREEN1);
+	profile_color[DEPTH_GRID] = COLOR(WHITE1, BLACK1_HIGH_TRANS, TUNDORA1_MED_TRANS);
+	profile_color[MEAN_DEPTH] = COLOR(REDORANGE1_MED_TRANS, BLACK1_LOW_TRANS, REDORANGE1_MED_TRANS);
+	profile_color[HR_PLOT] = COLOR(REDORANGE1_MED_TRANS, BLACK1_LOW_TRANS, REDORANGE1_MED_TRANS);
+	profile_color[HR_TEXT] = COLOR(REDORANGE1_MED_TRANS, BLACK1_LOW_TRANS, REDORANGE1_MED_TRANS);
+	profile_color[HR_AXIS] = COLOR(MED_GRAY_HIGH_TRANS, MED_GRAY_HIGH_TRANS, MED_GRAY_HIGH_TRANS);
+	profile_color[DEPTH_BOTTOM] = COLOR(GOVERNORBAY1_MED_TRANS, BLACK1_HIGH_TRANS, GOVERNORBAY1_MED_TRANS);
+	profile_color[DEPTH_TOP] = COLOR(MERCURY1_MED_TRANS, WHITE1_MED_TRANS, MERCURY1_MED_TRANS);
+	profile_color[TEMP_TEXT] = COLOR(GOVERNORBAY2, BLACK1_LOW_TRANS, GOVERNORBAY2);
+	profile_color[TEMP_PLOT] = COLOR(ROYALBLUE2_LOW_TRANS, BLACK1_LOW_TRANS, ROYALBLUE2_LOW_TRANS);
+	profile_color[SAC_DEFAULT] = COLOR(WHITE1, BLACK1_LOW_TRANS, FORESTGREEN1);
+	profile_color[BOUNDING_BOX] = COLOR(WHITE1, BLACK1_LOW_TRANS, TUNDORA1_MED_TRANS);
+	profile_color[PRESSURE_TEXT] = COLOR(KILLARNEY1, BLACK1_LOW_TRANS, KILLARNEY1);
+	profile_color[BACKGROUND] = COLOR(SPRINGWOOD1, WHITE1, SPRINGWOOD1);
+	profile_color[BACKGROUND_TRANS] = COLOR(SPRINGWOOD1_MED_TRANS, WHITE1_MED_TRANS, SPRINGWOOD1_MED_TRANS);
+	profile_color[CEILING_SHALLOW] = COLOR(REDORANGE1_HIGH_TRANS, BLACK1_HIGH_TRANS, REDORANGE1_HIGH_TRANS);
+	profile_color[CEILING_DEEP] = COLOR(RED1_MED_TRANS, BLACK1_HIGH_TRANS, RED1_MED_TRANS);
+	profile_color[CALC_CEILING_SHALLOW] = COLOR(FUNGREEN1_HIGH_TRANS, BLACK1_HIGH_TRANS, FUNGREEN1_HIGH_TRANS);
+	profile_color[CALC_CEILING_DEEP] = COLOR(APPLE1_HIGH_TRANS, BLACK1_HIGH_TRANS, APPLE1_HIGH_TRANS);
+	profile_color[TISSUE_PERCENTAGE] = COLOR(GOVERNORBAY2, BLACK1_LOW_TRANS, GOVERNORBAY2);
+	profile_color[GF_LINE] = COLOR(BLACK1, BLACK1_LOW_TRANS, BLACK1);
+	profile_color[AMB_PRESSURE_LINE] = COLOR(TUNDORA1_MED_TRANS, BLACK1_LOW_TRANS, ATLANTIS1);
+#undef COLOR
+}
+
+QColor getColor(const color_indice_t i, bool isGrayscale)
+{
+	if (profile_color.count() > i && i >= 0)
+		return profile_color[i].at((isGrayscale) ? 1 : 0);
+	return QColor(Qt::black);
+}
+
+QColor getSacColor(int sac, int avg_sac)
+{
+	int sac_index = 0;
+	int delta = sac - avg_sac + 7000;
+
+	sac_index = delta / 2000;
+	if (sac_index < 0)
+		sac_index = 0;
+	if (sac_index > SAC_COLORS - 1)
+		sac_index = SAC_COLORS - 1;
+	return getColor((color_indice_t)(SAC_COLORS_START_IDX + sac_index), false);
+}
diff --git a/subsurface-core/color.h b/subsurface-core/color.h
index 7938e59a6..57ad77242 100644
--- a/subsurface-core/color.h
+++ b/subsurface-core/color.h
@@ -5,6 +5,8 @@
    from http://chir.ag/projects/name-that-color */
 
 #include <QColor>
+#include <QMap>
+#include <QVector>
 
 // Greens
 #define CAMARONE1 QColor::fromRgbF(0.0, 0.4, 0.0, 1)
@@ -64,4 +66,87 @@
 // Magentas
 #define MEDIUMREDVIOLET1_HIGHER_TRANS QColor::fromRgbF(0.7, 0.2, 0.7, 0.1)
 
+#define SAC_COLORS_START_IDX SAC_1
+#define SAC_COLORS 9
+#define VELOCITY_COLORS_START_IDX VELO_STABLE
+#define VELOCITY_COLORS 5
+
+typedef enum {
+	/* SAC colors. Order is important, the SAC_COLORS_START_IDX define above. */
+	SAC_1,
+	SAC_2,
+	SAC_3,
+	SAC_4,
+	SAC_5,
+	SAC_6,
+	SAC_7,
+	SAC_8,
+	SAC_9,
+
+	/* Velocity colors.  Order is still important, ref VELOCITY_COLORS_START_IDX. */
+	VELO_STABLE,
+	VELO_SLOW,
+	VELO_MODERATE,
+	VELO_FAST,
+	VELO_CRAZY,
+
+	/* gas colors */
+	PO2,
+	PO2_ALERT,
+	PN2,
+	PN2_ALERT,
+	PHE,
+	PHE_ALERT,
+	O2SETPOINT,
+	CCRSENSOR1,
+	CCRSENSOR2,
+	CCRSENSOR3,
+	PP_LINES,
+
+	/* Other colors */
+	TEXT_BACKGROUND,
+	ALERT_BG,
+	ALERT_FG,
+	EVENTS,
+	SAMPLE_DEEP,
+	SAMPLE_SHALLOW,
+	SMOOTHED,
+	MINUTE,
+	TIME_GRID,
+	TIME_TEXT,
+	DEPTH_GRID,
+	MEAN_DEPTH,
+	HR_TEXT,
+	HR_PLOT,
+	HR_AXIS,
+	DEPTH_TOP,
+	DEPTH_BOTTOM,
+	TEMP_TEXT,
+	TEMP_PLOT,
+	SAC_DEFAULT,
+	BOUNDING_BOX,
+	PRESSURE_TEXT,
+	BACKGROUND,
+	BACKGROUND_TRANS,
+	CEILING_SHALLOW,
+	CEILING_DEEP,
+	CALC_CEILING_SHALLOW,
+	CALC_CEILING_DEEP,
+	TISSUE_PERCENTAGE,
+	GF_LINE,
+	AMB_PRESSURE_LINE
+} color_indice_t;
+
+extern QMap<color_indice_t, QVector<QColor> > profile_color;
+void fill_profile_color();
+QColor getColor(const color_indice_t i, bool isGrayscale = false);
+QColor getSacColor(int sac, int diveSac);
+struct text_render_options {
+	double size;
+	color_indice_t color;
+	double hpos, vpos;
+};
+
+typedef text_render_options text_render_options_t;
+
 #endif // COLOR_H
diff --git a/subsurface-core/metrics.cpp b/subsurface-core/metrics.cpp
new file mode 100644
index 000000000..203c2e5e2
--- /dev/null
+++ b/subsurface-core/metrics.cpp
@@ -0,0 +1,50 @@
+/*
+ * metrics.cpp
+ *
+ * methods to find/compute essential UI metrics
+ * (font properties, icon sizes, etc)
+ *
+ */
+
+#include "metrics.h"
+
+static IconMetrics dfltIconMetrics = { -1 };
+
+QFont defaultModelFont()
+{
+	QFont font;
+//	font.setPointSizeF(font.pointSizeF() * 0.8);
+	return font;
+}
+
+QFontMetrics defaultModelFontMetrics()
+{
+	return QFontMetrics(defaultModelFont());
+}
+
+// return the default icon size, computed as the multiple of 16 closest to
+// the given height
+static int defaultIconSize(int height)
+{
+	int ret = (height + 8)/16;
+	ret *= 16;
+	if (ret < 16)
+		ret = 16;
+	return ret;
+}
+
+const IconMetrics & defaultIconMetrics()
+{
+	if (dfltIconMetrics.sz_small == -1) {
+		int small = defaultIconSize(defaultModelFontMetrics().height());
+		dfltIconMetrics.sz_small = small;
+		dfltIconMetrics.sz_med = small + small/2;
+		dfltIconMetrics.sz_big = 2*small;
+
+		dfltIconMetrics.sz_pic = 8*small;
+
+		dfltIconMetrics.spacing = small/8;
+	}
+
+	return dfltIconMetrics;
+}
diff --git a/subsurface-core/metrics.h b/subsurface-core/metrics.h
new file mode 100644
index 000000000..30295a3d8
--- /dev/null
+++ b/subsurface-core/metrics.h
@@ -0,0 +1,32 @@
+/*
+ * metrics.h
+ *
+ * header file for common function to find/compute essential UI metrics
+ * (font properties, icon sizes, etc)
+ *
+ */
+#ifndef METRICS_H
+#define METRICS_H
+
+#include <QFont>
+#include <QFontMetrics>
+#include <QSize>
+
+QFont defaultModelFont();
+QFontMetrics defaultModelFontMetrics();
+
+// Collection of icon/picture sizes and other metrics, resolution independent
+struct IconMetrics {
+	// icon sizes
+	int sz_small; // ex 16px
+	int sz_med; // ex 24px
+	int sz_big; // ex 32px
+	// picture size
+	int sz_pic; // ex 128px
+	// icon spacing
+	int spacing; // ex 2px
+};
+
+const IconMetrics & defaultIconMetrics();
+
+#endif // METRICS_H