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Diffstat (limited to 'docs/illustrations.bmh')
| -rw-r--r-- | docs/illustrations.bmh | 452 |
1 files changed, 452 insertions, 0 deletions
diff --git a/docs/illustrations.bmh b/docs/illustrations.bmh new file mode 100644 index 0000000000..a7b5068cc4 --- /dev/null +++ b/docs/illustrations.bmh @@ -0,0 +1,452 @@ +#Topic Illustrations
+
+#Subtopic Image_Info_Color_Type_BGR_565
+#Example
+#Width 415
+#Height 250
+void draw(SkCanvas* canvas) {
+ canvas->scale(1.25f, 1.25f);
+ SkPaint paint;
+ paint.setAntiAlias(true);
+ paint.setTextSize(10);
+ paint.setTextAlign(SkPaint::kCenter_Align);
+ canvas->drawString("16-bit word", 5 + 20 * 8, 20, paint);
+ canvas->drawString("little endian byte order", 5 + 20 * 4, 85, paint);
+ canvas->drawString("(low bits)", 5 + 20 * 1.5f, 137, paint);
+ canvas->drawString("(high bits)", 5 + 20 * 6.5f, 187, paint);
+ auto drawBoxText = [=](SkScalar e[], const char* s[], int count, int n, SkScalar yPos) -> void {
+ SkPaint p(paint);
+ p.setColor(SK_ColorRED);
+ SkScalar xPos = 15;
+ int width = n % 32 + 1;
+ int lastN = n > 32 ? 32 : 0;
+ for (; n >= lastN; --n) {
+ for (int i = 0; i <= count; ++i) {
+ int a = width - e[i];
+ if (a == n || a == n + 1 || a == n - 32 || a == n - 31) {
+ char num[3] = {(char) ('0' + n / 10), (char) ('0' + n % 10), '\0'};
+ canvas->drawString(n >= 10 ? num : &num[1], xPos, yPos - 5, p);
+ break;
+ }
+ }
+ xPos += 20;
+ }
+ p.setColor(SK_ColorBLACK);
+ for (int i = 0; i < count; ++i) {
+ canvas->drawString(s[i], 5 + (e[i] + e[i + 1]) * 10, yPos + 10, p);
+ }
+ p.setStyle(SkPaint::kStroke_Style);
+ for (int i = 0; i <= count; ++i) {
+ canvas->drawLine(5 + e[i] * 20, yPos, 5 + e[i] * 20, yPos + 15, p);
+ }
+ for (int i = 0; i < 2; ++i) {
+ canvas->drawLine(5 + e[0] * 20, yPos + i * 15, 5 + e[count] * 20, yPos + i * 15, p);
+ }
+ };
+ SkScalar edges[] = { 0, 5, 11, 16,
+ 0, 3, 8,
+ 0, 5, 8 };
+ const char* labels[] = { "red", "green", "blue" };
+ drawBoxText(&edges[0], &labels[0], 3, 15, 45);
+ drawBoxText(&edges[4], &labels[1], 2, 7, 110);
+ drawBoxText(&edges[7], &labels[0], 2, 7, 160);
+}
+##
+##
+
+#Subtopic Image_Info_Color_Type_ABGR_4444
+#Example
+#Width 415
+#Height 250
+void draw(SkCanvas* canvas) {
+ canvas->scale(1.25f, 1.25f);
+ SkPaint paint;
+ paint.setAntiAlias(true);
+ paint.setTextSize(10);
+ paint.setTextAlign(SkPaint::kCenter_Align);
+ canvas->drawString("16-bit word", 5 + 20 * 8, 20, paint);
+ canvas->drawString("little endian byte order", 5 + 20 * 4, 85, paint);
+ auto drawBoxText = [=](SkScalar e[], const char* s[], int count, int n, SkScalar yPos) -> void {
+ SkPaint p(paint);
+ p.setColor(SK_ColorRED);
+ SkScalar xPos = 15;
+ int width = n % 32 + 1;
+ int lastN = n > 32 ? 32 : 0;
+ for (; n >= lastN; --n) {
+ for (int i = 0; i <= count; ++i) {
+ int a = width - e[i];
+ if (a == n || a == n + 1 || a == n - 32 || a == n - 31) {
+ char num[3] = {(char) ('0' + n / 10), (char) ('0' + n % 10), '\0'};
+ canvas->drawString(n >= 10 ? num : &num[1], xPos, yPos - 5, p);
+ break;
+ }
+ }
+ xPos += 20;
+ }
+ p.setColor(SK_ColorBLACK);
+ for (int i = 0; i < count; ++i) {
+ canvas->drawString(s[i], 5 + (e[i] + e[i + 1]) * 10, yPos + 10, p);
+ }
+ p.setStyle(SkPaint::kStroke_Style);
+ for (int i = 0; i <= count; ++i) {
+ canvas->drawLine(5 + e[i] * 20, yPos, 5 + e[i] * 20, yPos + 15, p);
+ }
+ for (int i = 0; i < 2; ++i) {
+ canvas->drawLine(5 + e[0] * 20, yPos + i * 15, 5 + e[count] * 20, yPos + i * 15, p);
+ }
+ };
+ SkScalar edges[] = { 0, 4, 8, 12, 16 };
+ const char* labels[] = { "red", "green", "blue", "alpha" };
+ drawBoxText(&edges[0], &labels[0], 4, 15, 45);
+ drawBoxText(&edges[0], &labels[2], 2, 7, 110);
+ drawBoxText(&edges[0], &labels[0], 2, 7, 160);
+}
+##
+##
+
+#Subtopic Image_Info_Color_Type_RGBA_8888
+#Example
+#Width 812
+#Height 365
+void draw(SkCanvas* canvas) {
+ canvas->scale(1.25f, 1.25f);
+ SkPaint paint;
+ paint.setAntiAlias(true);
+ paint.setTextSize(10);
+ paint.setTextAlign(SkPaint::kCenter_Align);
+ canvas->drawString("32-bit word", 5 + 20 * 16, 20, paint);
+ canvas->drawString("little endian byte order", 5 + 20 * 4, 85, paint);
+ auto drawBoxText = [=](SkScalar e[], const char* s[], int count, int n, SkScalar yPos) -> void {
+ SkPaint p(paint);
+ p.setColor(SK_ColorRED);
+ SkScalar xPos = 15;
+ int width = n % 32 + 1;
+ int lastN = n > 32 ? 32 : 0;
+ for (; n >= lastN; --n) {
+ for (int i = 0; i <= count; ++i) {
+ int a = width - e[i];
+ if (a == n || a == n + 1 || a == n - 32 || a == n - 31) {
+ char num[3] = {(char) ('0' + n / 10), (char) ('0' + n % 10), '\0'};
+ canvas->drawString(n >= 10 ? num : &num[1], xPos, yPos - 5, p);
+ break;
+ }
+ }
+ xPos += 20;
+ }
+ p.setColor(SK_ColorBLACK);
+ for (int i = 0; i < count; ++i) {
+ canvas->drawString(s[i], 5 + (e[i] + e[i + 1]) * 10, yPos + 10, p);
+ }
+ p.setStyle(SkPaint::kStroke_Style);
+ for (int i = 0; i <= count; ++i) {
+ canvas->drawLine(5 + e[i] * 20, yPos, 5 + e[i] * 20, yPos + 15, p);
+ }
+ for (int i = 0; i < 2; ++i) {
+ canvas->drawLine(5 + e[0] * 20, yPos + i * 15, 5 + e[count] * 20, yPos + i * 15, p);
+ }
+ };
+ SkScalar edges[] = { 0, 8, 16, 24, 32 };
+ const char* labels[] = { "alpha", "blue", "green", "red" };
+ drawBoxText(edges, &labels[0], 4, 31, 45);
+ drawBoxText(edges, &labels[3], 1, 7, 110);
+ drawBoxText(edges, &labels[2], 1, 7, 160);
+ drawBoxText(edges, &labels[1], 1, 7, 210);
+ drawBoxText(edges, &labels[0], 1, 7, 260);
+}
+##
+##
+
+#Subtopic Image_Info_Color_Type_RGB_888x
+#Example
+#Width 812
+#Height 365
+void draw(SkCanvas* canvas) {
+ canvas->scale(1.25f, 1.25f);
+ SkPaint paint;
+ paint.setAntiAlias(true);
+ paint.setTextSize(10);
+ paint.setTextAlign(SkPaint::kCenter_Align);
+ canvas->drawString("32-bit word", 5 + 20 * 16, 20, paint);
+ canvas->drawString("little endian byte order", 5 + 20 * 4, 85, paint);
+ auto drawBoxText = [=](SkScalar e[], const char* s[], int count, int n, SkScalar yPos) -> void {
+ SkPaint p(paint);
+ p.setColor(SK_ColorRED);
+ SkScalar xPos = 15;
+ int width = n % 32 + 1;
+ int lastN = n > 32 ? 32 : 0;
+ for (; n >= lastN; --n) {
+ for (int i = 0; i <= count; ++i) {
+ int a = width - e[i];
+ if (a == n || a == n + 1 || a == n - 32 || a == n - 31) {
+ char num[3] = {(char) ('0' + n / 10), (char) ('0' + n % 10), '\0'};
+ canvas->drawString(n >= 10 ? num : &num[1], xPos, yPos - 5, p);
+ break;
+ }
+ }
+ xPos += 20;
+ }
+ p.setColor(SK_ColorBLACK);
+ for (int i = 0; i < count; ++i) {
+ canvas->drawString(s[i], 5 + (e[i] + e[i + 1]) * 10, yPos + 10, p);
+ }
+ p.setStyle(SkPaint::kStroke_Style);
+ for (int i = 0; i <= count; ++i) {
+ canvas->drawLine(5 + e[i] * 20, yPos, 5 + e[i] * 20, yPos + 15, p);
+ }
+ for (int i = 0; i < 2; ++i) {
+ canvas->drawLine(5 + e[0] * 20, yPos + i * 15, 5 + e[count] * 20, yPos + i * 15, p);
+ }
+ };
+ SkScalar edges[] = { 0, 8, 16, 24, 32 };
+ const char* labels[] = { "(unused)", "blue", "green", "red" };
+ drawBoxText(edges, &labels[0], 4, 31, 45);
+ drawBoxText(edges, &labels[3], 1, 7, 110);
+ drawBoxText(edges, &labels[2], 1, 7, 160);
+ drawBoxText(edges, &labels[1], 1, 7, 210);
+ drawBoxText(edges, &labels[0], 1, 7, 260);
+}
+##
+##
+
+#Subtopic Image_Info_Color_Type_BGRA_8888
+#Example
+#Width 812
+#Height 365
+void draw(SkCanvas* canvas) {
+ canvas->scale(1.25f, 1.25f);
+ SkPaint paint;
+ paint.setAntiAlias(true);
+ paint.setTextSize(10);
+ paint.setTextAlign(SkPaint::kCenter_Align);
+ canvas->drawString("32-bit word", 5 + 20 * 16, 20, paint);
+ canvas->drawString("little endian byte order", 5 + 20 * 4, 85, paint);
+ auto drawBoxText = [=](SkScalar e[], const char* s[], int count, int n, SkScalar yPos) -> void {
+ SkPaint p(paint);
+ p.setColor(SK_ColorRED);
+ SkScalar xPos = 15;
+ int width = n % 32 + 1;
+ int lastN = n > 32 ? 32 : 0;
+ for (; n >= lastN; --n) {
+ for (int i = 0; i <= count; ++i) {
+ int a = width - e[i];
+ if (a == n || a == n + 1 || a == n - 32 || a == n - 31) {
+ char num[3] = {(char) ('0' + n / 10), (char) ('0' + n % 10), '\0'};
+ canvas->drawString(n >= 10 ? num : &num[1], xPos, yPos - 5, p);
+ break;
+ }
+ }
+ xPos += 20;
+ }
+ p.setColor(SK_ColorBLACK);
+ for (int i = 0; i < count; ++i) {
+ canvas->drawString(s[i], 5 + (e[i] + e[i + 1]) * 10, yPos + 10, p);
+ }
+ p.setStyle(SkPaint::kStroke_Style);
+ for (int i = 0; i <= count; ++i) {
+ canvas->drawLine(5 + e[i] * 20, yPos, 5 + e[i] * 20, yPos + 15, p);
+ }
+ for (int i = 0; i < 2; ++i) {
+ canvas->drawLine(5 + e[0] * 20, yPos + i * 15, 5 + e[count] * 20, yPos + i * 15, p);
+ }
+ };
+ SkScalar edges[] = { 0, 8, 16, 24, 32 };
+ const char* labels[] = { "alpha", "red", "green", "blue" };
+ drawBoxText(edges, &labels[0], 4, 31, 45);
+ drawBoxText(edges, &labels[3], 1, 7, 110);
+ drawBoxText(edges, &labels[2], 1, 7, 160);
+ drawBoxText(edges, &labels[1], 1, 7, 210);
+ drawBoxText(edges, &labels[0], 1, 7, 260);
+}
+##
+##
+
+#Subtopic Image_Info_Color_Type_RGBA_1010102
+#Example
+#Width 812
+#Height 380
+void draw(SkCanvas* canvas) {
+ canvas->scale(1.25f, 1.25f);
+ SkPaint paint;
+ paint.setAntiAlias(true);
+ paint.setTextSize(10);
+ paint.setTextAlign(SkPaint::kCenter_Align);
+ canvas->drawString("32-bit word", 5 + 20 * 16, 20, paint);
+ canvas->drawString("little endian byte order", 5 + 20 * 4, 85, paint);
+ canvas->drawString("(low bits)", 5 + 20 * 4, 137, paint);
+ canvas->drawString("(low bits)", 5 + 20 * 3, 187, paint);
+ canvas->drawString("(high bits)", 5 + 20 * 7, 187, paint);
+ canvas->drawString("(low bits)", 5 + 20 * 2, 237, paint);
+ canvas->drawString("(high bits)", 5 + 20 * 6, 237, paint);
+ canvas->drawString("(high bits)", 5 + 20 * 5, 287, paint);
+ auto drawBoxText = [=](SkScalar e[], const char* s[], int count, int n, SkScalar yPos) -> void {
+ SkPaint p(paint);
+ p.setColor(SK_ColorRED);
+ SkScalar xPos = 15;
+ int width = n % 32 + 1;
+ int lastN = n > 32 ? 32 : 0;
+ for (; n >= lastN; --n) {
+ for (int i = 0; i <= count; ++i) {
+ int a = width - e[i];
+ if (a == n || a == n + 1 || a == n - 32 || a == n - 31) {
+ char num[3] = {(char) ('0' + n / 10), (char) ('0' + n % 10), '\0'};
+ canvas->drawString(n >= 10 ? num : &num[1], xPos, yPos - 5, p);
+ break;
+ }
+ }
+ xPos += 20;
+ }
+ p.setColor(SK_ColorBLACK);
+ for (int i = 0; i < count; ++i) {
+ canvas->drawString(s[i], 5 + (e[i] + e[i + 1]) * 10, yPos + 10, p);
+ }
+ p.setStyle(SkPaint::kStroke_Style);
+ for (int i = 0; i <= count; ++i) {
+ canvas->drawLine(5 + e[i] * 20, yPos, 5 + e[i] * 20, yPos + 15, p);
+ }
+ for (int i = 0; i < 2; ++i) {
+ canvas->drawLine(5 + e[0] * 20, yPos + i * 15, 5 + e[count] * 20, yPos + i * 15, p);
+ }
+ };
+ SkScalar edges[] = { 0, 2, 12, 22, 32,
+ 0, 8,
+ 0, 6, 8,
+ 0, 4, 8,
+ 0, 2, 8
+ };
+ const char* labels[] = { "alpha", "blue", "green", "red" };
+ drawBoxText(&edges[0], &labels[0], 4, 31, 45);
+ drawBoxText(&edges[5], &labels[3], 1, 7, 110);
+ drawBoxText(&edges[7], &labels[2], 2, 7, 160);
+ drawBoxText(&edges[10], &labels[1], 2, 7, 210);
+ drawBoxText(&edges[13], &labels[0], 2, 7, 260);
+}
+##
+##
+
+#Subtopic Image_Info_Color_Type_RGB_101010x
+#Example
+#Width 812
+#Height 380
+void draw(SkCanvas* canvas) {
+ canvas->scale(1.25f, 1.25f);
+ SkPaint paint;
+ paint.setAntiAlias(true);
+ paint.setTextSize(10);
+ paint.setTextAlign(SkPaint::kCenter_Align);
+ canvas->drawString("32-bit word", 5 + 20 * 16, 20, paint);
+ canvas->drawString("little endian byte order", 5 + 20 * 4, 85, paint);
+ canvas->drawString("(low bits)", 5 + 20 * 4, 137, paint);
+ canvas->drawString("(low bits)", 5 + 20 * 3, 187, paint);
+ canvas->drawString("(high bits)", 5 + 20 * 7, 187, paint);
+ canvas->drawString("(low bits)", 5 + 20 * 2, 237, paint);
+ canvas->drawString("(high bits)", 5 + 20 * 6, 237, paint);
+ canvas->drawString("(high bits)", 5 + 20 * 5, 287, paint);
+ auto drawBoxText = [=](SkScalar e[], const char* s[], int count, int n, SkScalar yPos) -> void {
+ SkPaint p(paint);
+ p.setColor(SK_ColorRED);
+ SkScalar xPos = 15;
+ int width = n % 32 + 1;
+ int lastN = n > 32 ? 32 : 0;
+ for (; n >= lastN; --n) {
+ for (int i = 0; i <= count; ++i) {
+ int a = width - e[i];
+ if (a == n || a == n + 1 || a == n - 32 || a == n - 31) {
+ char num[3] = {(char) ('0' + n / 10), (char) ('0' + n % 10), '\0'};
+ canvas->drawString(n >= 10 ? num : &num[1], xPos, yPos - 5, p);
+ break;
+ }
+ }
+ xPos += 20;
+ }
+ p.setColor(SK_ColorBLACK);
+ for (int i = 0; i < count; ++i) {
+ canvas->drawString(s[i], 5 + (e[i] + e[i + 1]) * 10, yPos + 10, p);
+ }
+ p.setStyle(SkPaint::kStroke_Style);
+ for (int i = 0; i <= count; ++i) {
+ canvas->drawLine(5 + e[i] * 20, yPos, 5 + e[i] * 20, yPos + 15, p);
+ }
+ for (int i = 0; i < 2; ++i) {
+ canvas->drawLine(5 + e[0] * 20, yPos + i * 15, 5 + e[count] * 20, yPos + i * 15, p);
+ }
+ };
+ SkScalar edges[] = { 0, 2, 12, 22, 32,
+ 0, 8,
+ 0, 6, 8,
+ 0, 4, 8,
+ 0, 2, 8
+ };
+ const char* labels[] = { "unused", "blue", "green", "red" };
+ drawBoxText(&edges[0], &labels[0], 4, 31, 45);
+ drawBoxText(&edges[5], &labels[3], 1, 7, 110);
+ drawBoxText(&edges[7], &labels[2], 2, 7, 160);
+ drawBoxText(&edges[10], &labels[1], 2, 7, 210);
+ drawBoxText(&edges[13], &labels[0], 2, 7, 260);
+}
+##
+##
+
+#Subtopic Image_Info_Color_Type_RGBA_F16
+#Example
+#Width 812
+#Height 685
+void draw(SkCanvas* canvas) {
+ canvas->scale(1.25f, 1.25f);
+ SkPaint paint;
+ paint.setAntiAlias(true);
+ paint.setTextSize(10);
+ paint.setTextAlign(SkPaint::kCenter_Align);
+ canvas->drawString("64-bit word", 5 + 20 * 16, 20, paint);
+ canvas->drawString("little endian byte order", 5 + 20 * 4, 135, paint);
+ for (int i = 0; i < 4; ++i) {
+ canvas->drawString("(low bits)", 5 + 20 * 4, 187 + i * 100, paint);
+ canvas->drawString("(high bits)", 5 + 20 * 4, 237 + i * 100, paint);
+ }
+ auto drawBoxText = [=](SkScalar e[], const char* s[], int count, int n, SkScalar yPos) -> void {
+ SkPaint p(paint);
+ p.setColor(SK_ColorRED);
+ SkScalar xPos = 15;
+ int width = n % 32 + 1;
+ int lastN = n > 32 ? 32 : 0;
+ for (; n >= lastN; --n) {
+ for (int i = 0; i <= count; ++i) {
+ int a = width - e[i];
+ if (a == n || a == n + 1 || a == n - 32 || a == n - 31) {
+ char num[3] = {(char) ('0' + n / 10), (char) ('0' + n % 10), '\0'};
+ canvas->drawString(n >= 10 ? num : &num[1], xPos, yPos - 5, p);
+ break;
+ }
+ }
+ xPos += 20;
+ }
+ p.setColor(SK_ColorBLACK);
+ for (int i = 0; i < count; ++i) {
+ canvas->drawString(s[i], 5 + (e[i] + e[i + 1]) * 10, yPos + 10, p);
+ }
+ p.setStyle(SkPaint::kStroke_Style);
+ for (int i = 0; i <= count; ++i) {
+ canvas->drawLine(5 + e[i] * 20, yPos, 5 + e[i] * 20, yPos + 15, p);
+ }
+ for (int i = 0; i < 2; ++i) {
+ canvas->drawLine(5 + e[0] * 20, yPos + i * 15, 5 + e[count] * 20, yPos + i * 15, p);
+ }
+ };
+ SkScalar edges[] = { 0, 16, 32,
+ 0, 8
+ };
+ const char* labels[] = { "alpha", "blue", "green", "red" };
+ drawBoxText(&edges[0], &labels[0], 2, 63, 45);
+ drawBoxText(&edges[0], &labels[2], 2, 31, 95);
+ drawBoxText(&edges[3], &labels[3], 1, 7, 160);
+ drawBoxText(&edges[3], &labels[3], 1, 7, 210);
+ drawBoxText(&edges[3], &labels[2], 1, 7, 260);
+ drawBoxText(&edges[3], &labels[2], 1, 7, 310);
+ drawBoxText(&edges[3], &labels[1], 1, 7, 360);
+ drawBoxText(&edges[3], &labels[1], 1, 7, 410);
+ drawBoxText(&edges[3], &labels[0], 1, 7, 460);
+ drawBoxText(&edges[3], &labels[0], 1, 7, 510);
+}
+##
+##
+
+#Topic Illustrations ##
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